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Centro Unv*rsitário Santo Agostinho
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www*.fsanet.com.*r/revista
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Rev. FSA, Tere*i*a, *. *2, n. 1, art. 3, p. 44-60, jan. *0*5
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I*SN Impresso: 180*-6356 ISSN *letrô*ico: 2317-2983
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http://dx.doi.org/10.12819/2025.2*.1.3
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A Met*odological Approach to Estimat*n* Producti*n T*mes in **gineer-to-Orde* *ndustry
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Uma *bordagem Me*odol*g*ca para Es*imativa de Te**os de *rodução n* Ind*stria *n*ineer-
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t*-Order
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Renan de Aguia* Fr*ncelino
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Bachar** *m Adminis*ração pelo Comp*exo de Ens*no Superior *e Cachoeirinha, C*mp*s Cachoeirinha
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*-mail: rena*12*@gmail.co*
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*amuel V*ni*ius Bonato
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D*u**r em Enge*haria de Produçã* p*la Univer*idade Feder*l do Rio Grande do S*l
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Pr*fessor da Uni*ers*da*e Fed*ral do Rio *ra*d*, Campus Ri* Gra*de
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E-mail: svbon*to@gmail.com
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Errol Fernando Zep*a Pereira Junio*
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M*s*r* em *dmin*str**ão pela Universi*a*e Fed*ral do Rio G*ande
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Ins**t*to Federal de Educação, C*ência * T*cnologia ** R*o Gr*nde do Su* - IFRS, Campu* *olante
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E-*ail: zep*aef@gmail.*om
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Cy*thia Mika*la Cheme*lo Fav*ero Lopes
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**utora em A*ministração p*la U*i*ersidade Federal do *i* Grande *o Sul, Ca**us Cen*ro
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E-mail: cynthia.favi*ro@gma**.com
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Felipe Kopp Leite
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Mes*re em Adm*nistração pela Universi*ade Fe*e*al do Rio G*ande
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Dout*ran*o *m Ad*inistração n* Universidade Federa* de Santa C*tar*n*, Campu* Trindade
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E-mail: feli*e.kopp18@gm*il.**m
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Ender*ço: Ren*n de Ag*i*r Fra*celino
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Editor-Che*e:
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Dr.
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*onny
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Kerley
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de
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A*encar
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R. Silvério *a**el *a Silva, 16* - Colinas, Cac*oei*inha
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Rodrig*es
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- RS, 94935-*30. Brasil.
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Endereço: Samuel Vi*ic*us *onato
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Artigo recebido em 09/1*/2024. Ú*tim*
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versão
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A M*t*o**logica* App*o**h to *sti*a*ing P*oduc*ion Times i* E**ineer-t*-Order *ndustr*
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*5
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*BSTRACT
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Th* ETO production environm*nt (Engineer to Order) is characteri*ed primarily by customer
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in*eraction level since the product *esign. *nother attribute of t*is is the h*gh l*vel of
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*u*tomi*ation of products, a fac* *hat *irectly re*lects the
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org*nization of
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production. The
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s t ud y
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aims **
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analyze the estim*tion method
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of produ*tion t*me in an industry w*th ETO
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environment. For this wa* found i* the *iterature, bibliograp*ies and *tudies tha* guide
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t he
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p*oces* of es*imati*g production times,
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obs*rving the practice* th*t most resemb*e
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t he
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company's focus *f work. Final*y, the
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data coll*ction was carr*ed out, focusing on t**
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comparison b*tween the Pre*icted Time and Realiz*d *roduc*i*n, starting this analy*is found
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t*e effectiveness o* the *p**ied process. Thu*, it was *ound that *ethod a*opted in the focus
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of th* wo*k *omp*ny achiev*d convincing and *av*rabl* results.
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Key*or*s: Pro*uction T*me*. ETO Industry. Me**od Valid**ion.
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RESUMO
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O am*i*nte de prod*ção *TO (**gineer to Order) é *a*acterizado principalme*te pelo níve*
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de interação *om o clie*te desde a c*nc*pçã* do pro*uto. Outro atr*buto d*sso é o alto nível
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de *usto*iz*ção
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*os produtos, *ato que *efle*e *iretamente
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*a *rg*n*zaçã* da produç*o.
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O
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estudo *em como *bjetivo a*alisar o método de esti*ativa do te*po de pro*ução em uma
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indústria c** ambiente ET*. Para iss*, foram encontrados na literatura, bi*liografia*
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e
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estu**s q*e orientam o pr*cesso d* **timat*va de tem*os de produção, obs*rvan*o *s práti*a*
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qu* mai* se as*e*elham ao foco de trabalho da empr*sa. Por
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fim, foi r**lizada a coleta
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d*
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dados,
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com fo*o na *ompar**ã* entre o Tem*o Previst* e a Produção Rea*iz*da. Iniciando
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esta análise, *eri*icou-se * eficácia do *rocesso ap**cado. As*im, const*tou-se *ue o método
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adotado no foco da em*resa d* *rabalho obt*ve res*l***o* c*nvin*e*tes e f*voráveis.
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Pa*avr*s-C**ve: Tempos d* Produção. Indústria ETO. Método *e V*li*ação.
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Rev. FSA, Teresina PI, v. 22, n. *, art. 3, p. 44-60, j*n. 2025
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www4.fsanet.com.*r/*ev*sta
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*. A. Franceli*o, S. *. Bon*t*, *. F. Z. Pereira Jun*o*, C. M. C. F. Lopes, F. K. Leite
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4*
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1 INTRODUCTION
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In a p*od*c*ion env*ron*ent with h**h v*r*ability of *r*ducts surrounded *y an ****
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*reater *ange of production pro*esses, it can be said that there is a diff**ulty in est**l*shing a
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*eliable *et*od o* e**imati*g *roduct**n times. The *roject is the present*tion of thi* *et*o*
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dev*loped in an indust*y in the me*al-me*hanic secto* *n the north o* Porto Alegr*, which has
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t*e ET* (En*i*ee* to Order) system ** a *haracteristi* o* *ts prod*ctio* env*ronmen*.
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In an **g*nization w**h an ET* *roduction model, the *evel of *ro*ess stand*rdization
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is ve*y low and th* products th*t *nt*r th* product*on sy*tem have a hig* *e**l of var*ability.
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In the ETO *nviro*men*, the stages *f desi*n, *ro**ct en*ineering and product*on a*e carried
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out o* d*man*, that **, with
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the cu*tomer'* *uida**e (Rocha; S*a*ar*a; *amacher, 2005;
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Americ*; Costa, 2019). In thi* *n*iron*en*, the *li*nt, in most ca*es, *ol*ows th* def***tions
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of *he product *esi*n
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being offered, the
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production process that wi*l be a*opted to
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manufacture it and t*e deadline for delive*y of the completed wor*.
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Because *t is an environmen* wi** a high r*t* of pro*uct var*ability, *he*e *r*cess*s
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need to *dap* t* prod*ction, it is
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neces*ary to find
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way* to se** patt**n* to f**ilitat* a*d
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organ*ze the different *nf*rma*io* that *ha*ges according to the changes in p*odu**s *ntering
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the fac*o*y environ**nt. It is extremel* important t*at an organizat**n seeks *lt*r*ativ*s to
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sta*da*d*ze and o*ganize its proces*es.
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In th* *tudied **mpan*, some ways o* s*andardi*ing the pro*uction pr*ce*s are
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obse*ved. An ex*mple *s *h* organiz*tion of the *ayou*, which varies according to
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t he
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*haracteris*ic* of e*ch p*oductive *ector *f the *ompany, in this case, the organizati*n *ivides
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its pr*duction into fou* produ**ive s*ctors, they are: P*epa*ation, **cus sector that wi*l ha*e
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its pr**ess of estim*ting produ*tion times ana*y*ed, in which i* ado*t* *he layou* by process,
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Boiler*aking and F*nal A*se*bly *ith position*l la**ut a*d the Painting s*ctor wi*h mix*d
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layo*t (** process and positional). Another important *ssue to st*ndardiz* the p*oduction
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*r*ces* is the def*nition *f a *rodu**ion *cript for ea*h pie*e a** for ea*h *et, thus cr*at*ng a
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standard flow
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of information
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regardless ** t*e type, siz*, t*me
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an* process in which
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t h*
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product is en*erin* t*e ma**f*cturing proces* *wn.
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*everal st**i*s h*v* been dev*lop*d *n re*ent y*ars. To il*ustra*e this, we highlight th*
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work of Silva e* al. (2024), w*ere the autho*s analyze *ow impro*ing pro**ction efficien*y
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th*ough pull-b*sed systems from *ean manufac*uring (**ch as TPS) aims to
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optimize
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production and reduce waste. I* *his c*nte*t, th* topic of customization vers*s stan*ardization
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is also discussed: the re*ear*h l*ans *owa*ds stand*rdization (Lean, T**), wher* **e goal i* to
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Rev. FSA, Ter**in*, v. 22, n. 1, art. 3, p. *4-60, jan. 2025 *ww4.fsanet.com.b*/revista
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A Metho*ological A*proa*h to Estimatin* Producti*n Ti*es in Engine*r-to-Order I*dustry
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47
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strea*line pro*ess*s and reduce waste. Ev*n in a cu*to**ze* enviro*me*t, Lean
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princi*les,
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*uch as waste reduct**n and continuous imp*ov*ment, can be adapted to im*rove p*oductio*
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ti*e accuracy. Thu*, to*ls and methods are studied in bro*der pr*duc*i*n sys**m appr*a*he*,
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such as Kaiz**, JIT, and VSM, within the *am* research.
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In this rega*d, *he process of determi**n* s*andard op**ating *ime in an ETO
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en*ir*nment be*omes a comp*ex fa*tor, but it can become a competitive advantage in relati*n
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t* comp*titor* w*rking in *he *ame production en*ironme** if executed well. *o *over
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t *e
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various par*s and assem*lies t*at enter *he factory enviro*men* o* th* studied com*a*y,
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t he
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det*rmination of standar* operating time is based *n t*e ch*on*analysis p*ocess, whi*h was
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*pplied to characteri*tic* that could change p*od*ction tim*s, s*ch as thickness, area, weigh*,
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numbe* of holes, set size, number of operato*s involved, amo*g *th*rs. The productio* ti*e
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estimat*on *odel develope* at th* *o**any will be presented in thi* project.
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The stu*y is focused on solving the prop*se* researc* problem with the following
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ques*ion: Is p*ssi*le to de**lop * method f*r *stimat*ng *t
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pr*duction ti*es in an *n*us*ry
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w*th an ETO environ*ent?
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In this sens*, the methodology applied i* t*e re*earch w*ll t*ke pl*ce throu*h a case
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s*u*y focused on data collection, ana*ys*s *nd i*entification
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o* the variable* th*t
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*ui*e th*
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Gen**al *bjective *hic* is defined as: Analy*e the method of estimati**
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producti*n times,
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adopte* in a ***ustry wi*h
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a* ETO environment, in *he nort*
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of Porto Al*gre. *n or*er
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*o
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expla*n it, t*e items described *n the Specific Objec*ives we*e unfo*ded, (i) demonstrate how
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*he method of estimating prod*ction tim*s is performed in t*e equipment o* the *rep*rat*on
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sector o* *he target comp*ny; (ii) verify the effecti*eness of th* *eth*d and pre*ent the res*lt*
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obtain*d; (iii) pr*pose improvements t* the time estima*ion pr*c**s a* the *ompa**
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in
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question.
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2 PRO*UCT**N ENVIRONMENT ENGINEER TO ORDER
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The m*in way to different*ate a produc*ion enviro*ment is accor*i*g to the wa* in
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wh**h cust*m*rs int*ract with the final prod*c* (P****, 2004). *here are basically *our
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pro*uc*ion
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environments: M*ke to *t*ck (MTS) - production to stoc*, As*embly to *rd**
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(ATO) - *ssembly to order, Make to *rder - *r*duction to order and E*ginee* to or*er (ETO) -
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desig* (e*gi**erin*) and *roduction on request.
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The production e*viro*ment explain*d in
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th*s research is (E**). In *his model of
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pr*duction
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enviro*ment the customer orders th* deve**pment and possible changes i*
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t *e
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</page><line>
Re*. FSA, Te*esina PI, v. 22, n. 1, art. 3, p. 44-6*, jan. 2025
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w*w4.fsanet.com.br/rev**ta
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R. A. Franc*lino, S. V. Bonato, E. F. Z. Pereira Junior, C. M. C. *. Lopes, F. K. Leite
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48
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product, t*at is, the products are pr*duced according to the *eques*s and specifi*a*i*** pas*ed
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b* the cust*mer. In this system the products are usually uniqu*, th*refore, because they ha*e
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n*ver been produced and their p**cesses
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*** *o* mappe*, t*ere *s often no his**ry of
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prod*ction o* these (S*ef*nelli, 2010).
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The *ndustries that work to o*der, ha*e s*ecific characte*istics, i* w*ich th*y have
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a
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direct i*fluence on management, which are: (i) lon* Lead *ime, f*om the *ome*t of the
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deve*opment o* th* commercial proposa* until the final assembly; (*i) ri** and costs li*ked *o
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eac* co*t*a*t si*n*d, starting wi*h the develop**nt of t*e pr**osal; (iii) acc*unting an*
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finance focuse* on cont*acts (S*ia, 2009).
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The ETO system can ca*s* *ome inter*erenc* in the fa*tory *n* in the progress of
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programmi*g a***vities, since the pro*uction system of a co*p*ny focus*d on ETO *roduc*s
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**es*nts a hig*
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degree *f uncertaint*, in vi** *f the hi*h degree of custome* interfe*ence
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during
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the *evelo*m**t of the product, w*ile th* f*ctory needs to a*ticipa*e informa*ion on
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capacity al*ocation and product specif*cations to
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purchase raw mat*rial. In additio*, the
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con*tructi*n si*e has a number o* play*r* that
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can *ffect the
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previously *s*ablish*d
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con*tr*ction sequence (D* Silva Etges; Viana; F*rmoso, *014; Gall* et *l., 2021). In
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t hi s
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sense, an u*derstan*ing o* t*e logist*cal pr*ces* is essential to assess *h* al*gnment be*ween
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*he pro*uction of components by t*e f*ctory and it* a*semb*y at the *on*tru*tion site (Silva et
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a*., 2019).
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An ETO produc* is often
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innov*tive solutions m*king it a
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uniqu* p*ototype,
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but
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bec*use it is a to*all* new projec*, the o**rlapping of the organiza*ion's secto*s can g**erat*
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instabilitie*. An
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example is t*e raw material purchase process w*thout the
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engin*ering stage
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having been completed, another fa**or i* *hat as production evol*es, **ere m*y be a need for
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engineering changes, thereby generating new needs for *ur*h*se o* materials and *h*nges in
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th* pro*uction schedule (Saia, 2009).
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Anothe* issue that should be highligh*ed is t*e
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*t*ck levels p*es*nt in
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t hi s
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environm*nt. As the var**ty of pro*u*ts that can
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*e req**sted by the customer *s *ery large,
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most organizat*ons *ecide that they cannot sto*e
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any*hing, th*t is, the* wait for the order to
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enter and only after that trigger the purchase of *he necessary input* for pro*uc*ion. Be*a**e
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o* thi*, an industry that relies on the ETO *nvir*nment cann*t re*y o* s*rategic stocks, at any
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level i* its *r*du*tion **st*m, so it needs t* lear* *o react *nd monit*r a*l mark*t variability,
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so that i*s **ctors can be supp*ied *o meet the d*mands of these (Correa; Gia*es*; Ca*n, 2001;
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de Brito Nogueir* et al., 2023)
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*ev. FSA, Tere*ina, v. 22, n. 1, art. 3, p. 44-60, jan. 2025 ww*4.fsa*et.com.*r/re*ista
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A Method**ogical A*pro*ch to Estimati*g Production Ti*es in Enginee*-to-Orde* Industr*
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<line>
*9
</line>
</par><par>
<line>
2.1 VARIE*Y OF PRODUCTS IN THE E*GINE*R T* O*DER E*VI*ONMENT
</line>
</par><par>
<line>
Industrie* with an **O env*ronmen* *ave the charact*ri*tic *f c*stom*zin* the*r
</line>
<line>
product*, so t*at their proje*t is *ersonalized a*d c*stomer oriente*.
</line>
<line>
The great *ariety, prese*t *n this product*on environment, gen*rally *mpacts product*
</line>
<line>
that have both the pr**uction *eque**e and their *ycle *ime* with a *igh degree *f di*fer*nce,
</line>
<line>
in which they use *h* sam* pro**ctiv* en*iro*ment (Stefa*ell*, 2010).
</line>
<line>
R**ardin* the volume-v*riety *atio, *t **scribes the type* ** proc*sses in
</line>
<line>
ma**facturing *perations, where ea*h type *f p*o*ess res*l** in a diffe*ent way of *rganizing
</line>
<line>
*perations activities. Relat*ng to t*e company **at is t*e f*cus of this project, *he co*cept *hat
</line>
<line>
best fits *s t*e Project Process*s: in this the manuf**turing process dea*s with ve*y cust*mized
</line>
<line>
pro*ects, where the p*riod of time to m**e the product i* very *o** (Sla*k, *0**).
</line>
<line>
Ano*her ***tor, takes into ac*ount that at the time of t** definitions in *he product
</line>
</par><par>
<line>
de*ign, if poo*ly defi*ed or with so*e uncertainty,
</line>
<line>
the conseq*ence of this c** be changes
</line>
</par><par>
<line>
during the p*oduction process itself. *n th** proces* the work has well-def*ned start and finish
</line>
</par><par>
<line>
act*vities and
</line>
<line>
depe*din* on the p*ysical structu*e ** the product, *he resources
</line>
<line>
that wil*
</line>
</par><par>
<line>
perform this task must be organized in a special w*y *or each
</line>
<line>
case. Ope*ations with a
</line>
<line>
**g*
</line>
</par><par>
<line>
va*iety ** products that genera*e l*w volume, will have more dem*ndin* consumers
</line>
<line>
w*th
</line>
</par><par>
<line>
rega*d *o processes, than operations t*at *rovide seria* pr*d*cts and st*ndards (Slack, **06).
</line>
</par><par>
<line>
2.2 A**E*NATIVES FOR M*NAGING THE IMPACT OF VARI*T*
</line>
<line>
OF P*ODUCT* *N
</line>
</par><par>
<line>
PRODUCTION
</line>
</par><par>
<line>
Operations look f*r al*ernat*ves t*at mak* *h* cost of producing a high variety viabl*
</line>
<line>
b* standard*zing t*e*r produc*s, *ervices a*d processes (*maral et a*., 2018). The
</line>
</par><par>
<line>
s*andardization of an o*era**** helps to *educe
</line>
<line>
the com*lex*ty *f
</line>
<line>
the products. Some
</line>
</par><par>
<line>
al*ernat**es can be verified to manage t*e impact caused by the var**ty of pr*ducts i* *h*
</line>
<line>
p*oduction (Sla*k, 2006).
</line>
<line>
Ba*icall*, t*e p*y*ical arr**gement of a prod*ct*ve area d*fines the location of the
</line>
</par><par>
<line>
tra*sfo*matio* r*so*rces within the
</line>
<line>
a*a*lable phys*cal space. The **equate *isposit*** of
</line>
</par><par>
<line>
these reso*r**s
</line>
<line>
di**ctl* influences the f*ow *f materials *nd people and a*fects the overall
</line>
</par><par>
<line>
efficie**y of pro*u*tio*. Th* definition and adjustment o* the type of physical arrangemen*
</line>
<line>
s*arts from *he type of p*ocess and this *s the charac**ristic of volum*-variety (Slack, 20*6).
</line>
</par><par>
</page><line>
R*v. FSA, *eresina PI, v. 22, n. 1, art. 3, p. 44-60, ja*. 2*25
</line>
<line>
www4.fsanet.com.br/revista
</line>
</par><page>
<par>
<line>
R. A. France*ino, S. V. *onato, E. F. Z. Pere*r* *unior, C. M. C. F. Lop*s, F. *. Leite
</line>
<line>
**
</line>
</par><par>
<line>
T*e layout i* one of th* main decis*ons tha* *ill *e*ermine the ef*ici*nc* of the
</line>
<line>
organizatio* *n the long run, if it *s effective it ca* become a comp*titive *dv*ntage in rel*tion
</line>
</par><par>
<line>
*o competitors, fo* th*s the layout needs to be desig*ed in a w*y
</line>
<line>
that meets the company's
</line>
</par><par>
<line>
competitive requir*me*ts. *hey argue that in any situation the definit*on and orga*izatio* *f
</line>
<line>
the layout should seek to *ef*ne the followi*g *equi*em*nts: (i) grea*er use o* space,
</line>
<line>
equipm*n* and peopl*; (*i) bet*er flow of i*formation, *a*erial* or p*ople; (iii) better
</line>
<line>
e*ployee mor*le and safer *ork*ng conditions; (iv) better interaction wit* con*umers and
</line>
<line>
customers; (v) flexibility (whatever *he curren* l*yout wil* n*ed to be m*dified) (Slack, *006).
</line>
<line>
The pro**ct's focu* c*mpan* divides its p*oduction int* four mac*o productive sectors:
</line>
<line>
Prepa*ation, Boilermaki*g, Pa*nt*ng and Final Assembl*, the ord*r i* in *cc*rdance with the
</line>
</par><par>
<line>
sequence of t*e *ro*uction f*ow. The sectors organiz*
</line>
<line>
the*r pr*d*ction using
</line>
<line>
b*si*ally two
</line>
</par><par>
<line>
*ypes of **ysical a*r*ngement, so t*ese were considered f** the realiza*ion of the proj*ct.
</line>
<line>
The *ain*ing sector uses two types o* p*ysica* arr*ngement: physi*al a*rangement by
</line>
</par><par>
<line>
*roces* *nd p*y***al po*iti*n*l arr*ngement. In the are* where *he line
</line>
<line>
painting process is
</line>
</par><par>
<line>
carried out, wher* the p*ec*s move to the pai*ting ar*a, it ado*ts t*e p*ysical arrangement *y
</line>
<line>
proc*ss. For large sets, where it uses a station*ry painting booth, the physical *rran**ment
</line>
<line>
adopted is the positional *ne. Another alternative, present in the project's foc*s company, to
</line>
</par><par>
<line>
ma*age th* imp*ct
</line>
<line>
ca**ed *y th* *ariety o* products *he Production Roadmap. This tool is
</line>
</par><par>
<line>
assists in guiding the *low and seque**ing o* production, it *istributes the operations inher*nt
</line>
<line>
in t** process, fo* the m*nufac**re of * certain item, in the *arious work c*nters arranged in
</line>
<line>
the factory ***ironment.
</line>
<line>
Th* *roduction roadmap for a pr*d*ct des*ribes th* ne*essary sequence of oper*tions
</line>
</par><par>
<line>
to produce a
</line>
<line>
particular par* or compon*nt. Th* *oadmap sheet hi*hlights the entry for each
</line>
</par><par>
<line>
opera*ion that mu*t be performed on th*
</line>
<line>
item being prod*ce*. *nother import*nt factor
</line>
</par><par>
<line>
present in t*e prod*ctio* scrip* is the raw material need*d *or product transform*tion (Slack,
</line>
<line>
2006).
</line>
<line>
The productio* sc*ipt is the pa*h that t*e material takes alo*g i** producti*n p*ocess, in
</line>
<line>
th*m are p*esent the necessary opera*i*ns *o carr* ou* the task, its *equencing and oth** ver*
</line>
<line>
r*levant fac*or a*d the presen*e of the task executio* tim*. Therefore, th* produ*t*on script is
</line>
<line>
a documen* gen*rated for each component and e*ch se* sp*cifying *hich operat*ons must be
</line>
<line>
car*ie* out, *n which ord*r a*d *hich *esources will be responsibl* fo* the*, this *o*ument
</line>
</par><par>
<line>
a*companies t*e raw mate*ial unti* t*e final
</line>
<line>
pro**ct ready for di*patch. All of this
</line>
</par><par>
<line>
in*ormation c*eat** a workflow, organizing an* orderin* *he entire "*i*" of
</line>
<line>
*roduct* t*at
</line>
</par><par>
</page><line>
R*v. FSA, Teresina, v. *2, n. 1, art. 3, p. 44-60, jan. 2025 www4.fsanet.com.*r/re*ista
</line>
</par><page>
<par>
<line>
A Methodological ***roa*h to E*timating Produ*t*on *imes in Engineer-to-Order Industry
</line>
<line>
51
</line>
</par><par>
<line>
enter th* f*ctory, from this it becomes a *ool to manag* the i*pac* of the variety of product*
</line>
<line>
on the *acto*y enviro*ment (S*ack, 2006).
</line>
<line>
2.3 *STI**TED P*ODUCTI*N *IM*S *N AN EN*INEE* TO OR*ER ENVIRONMENT
</line>
</par><par>
<line>
Due to t** high d*v*rsity of prod*cts in an *TO environm*nt, it is
</line>
<line>
dif*icult to have
</line>
</par><par>
<line>
extremely pr*cise st*nda*d times f*r oper*ti*ns. When re*eiving the orde* under order, the
</line>
<line>
scrip* shou*d be det*iled, including *he expected operating ti*es to ca**y out *ts w*rk.
</line>
<line>
Depending on t** product and even its productio* volum*, t*e estimation of product**n times
</line>
</par><par>
<line>
can be *erformed through the analysis
</line>
<line>
of similar p*oducts pre**ously produce*, in **is
</line>
</par><par>
<line>
process, you mu*t have your pro*u*ti*n t**es *ccom*lis*ed, f*led in a *atab**e, with thi*, t*e
</line>
<line>
c*mparison stag* be*ome* more secure a*d organized (Stefanelli, 2*10).
</line>
<line>
The study *f time* and movemen*s *an be us*d to determine the *t*ndard operating
</line>
</par><par>
<line>
tim* i* a
</line>
<line>
time e*timation *rocess. Th*ough ** it i*
</line>
<line>
po*sib*e ** determine the tim* that
</line>
<line>
a
</line>
</par><par>
<line>
qualified a*d properly
</line>
<line>
tr*ined pe*son
</line>
<line>
uses to **rform a certain task, worki*g and *orma*
</line>
</par><par>
<line>
condi*ions. *he most common proc*s* used to measu** an operato*'s w*rk is timing. T*e
</line>
</par><par>
<line>
op*r*tio* *o be st*died is divided
</line>
<line>
into elements an* each of these *lemen*s
</line>
<line>
*s *imed. A
</line>
</par><par>
<line>
represen*ati** va*ue calculated is
</line>
<line>
for each elemen* and the addition *f the elementar* *imes
</line>
</par><par>
<line>
p*ovides the t*ta*
</line>
<line>
time for the ex*cuti*n of the *peration. The spe*d u*ed by the
</line>
<line>
opera*or
</line>
</par><par>
<line>
du**ng t*e timing *s evaluat*d by t** obs*rver and the sel*cted time can b* *djusted so *hat a
</line>
</par><par>
<line>
qualified operator, work*ng at a *or*al pa*e, can easil* per*orm the work
</line>
<line>
*n the specif*ed
</line>
</par><par>
<line>
time. This set ti*e is call*d the n*rm** time. Tolerances *or **rson*l needs, fatigu*
</line>
<line>
*nd
</line>
</par><par>
<line>
waiting ar* added to the normal ti*e, thus *esultin* in the stand*rd time fo* operatio*
</line>
<line>
(Stefanelli, *010).
</line>
</par><par>
<line>
T*e s*udy o* times s*rve* *o de*e*mi*e the stan*ard *osts of
</line>
<line>
the pr*ducts,
</line>
<line>
t hi s
</line>
</par><par>
<line>
information is very importan* for t*e elaboration of the budget of *ale ** *he product ha*ing a
</line>
<line>
safe commercial proposal with respect to the cost of la*or involved *n the *rodu*t *ei*g
</line>
<line>
offered to th* client. The *erson **rform*ng the *ime e*timation must know the req*irem*nts
</line>
<line>
nece**ary to carry out a reli*ble s*udy such as, *nd*rstand and know the pr*duction proc*ss,
</line>
</par><par>
<line>
k*ow ho* to handle and use t*m* tables and
</line>
<line>
graphs wel*. The m*asure deliv*red in an
</line>
</par><par>
<line>
esti**te of production times usu**ly t*kes place i* hou* / man or ho*r / machine, s* the cost
</line>
<line>
depar*m*nt mult*pl*es this data by *ts u*it *o*ts (*tefanelli, *010).
</line>
<line>
This f*rt*er r*infor*es *h*t the longer the time spent to perform *he **tim*t*, the more
</line>
</par><par>
<line>
accurat* the resul* of the a*alysis will be, however the person responsib*e for
</line>
<line>
the analysis
</line>
</par><par>
</page><line>
R*v. FSA, Teresina PI, v. *2, n. 1, art. 3, p. 4*-6*, jan. *0*5 www4.fsanet.co*.*r/re*is*a
</line>
</par><page>
<par>
<line>
R. A. *rancelino, S. V. *ona*o, E. F. Z. Pe**ira Jun**r, *. M. C. F. Lopes, F. K. Leite
</line>
<line>
52
</line>
</par><par>
<line>
must determine an optimal time f** the study t* take *nto acc*unt the final a*plicatio* of *is
</line>
<line>
w**k, that is, , *n estima** for high volume production m*st be extremely ac*urate, while an
</line>
</par><par>
<line>
estim*te f*r *etermin*ng a manufacturing device pro**c*ion ti*e, for
</line>
<line>
**ample, can
</line>
<line>
*e
</line>
</par><par>
<line>
rou*hly performed.
</line>
</par><par>
<line>
T***e a*e two me*ho*s of es*imating produ*tion **mes: (i) est*mation by comp*ris**;
</line>
<line>
and (*i) *eta*led estimate. The comparison esti*ati*n m*th*d uses s**i**r *roducts as a basi*
</line>
<line>
on which its prod*c***n *i*e is alr*ady kno*n, in which case it is *p to the perso* re*ponsible
</line>
<line>
for the analysis to car*y out weightings on s*milar characte*i*ti*s, thereby res*lting in an
</line>
<line>
increa*e or decreas* in tim* and, conse**ently, in the co*t *f the *rod*ct. . In an ind**t*y with
</line>
</par><par>
<line>
an ETO *roduction *nvi*o*me*t, the
</line>
<line>
prod**ts supp*ied by it *su*lly have a
</line>
<line>
hig* range
</line>
<line>
of
</line>
</par><par>
<line>
*omp*nen*s, so in mo*t cases an estimate is req*ired, some o* the componen*s t*at make *p
</line>
<line>
the new produ*t have *lread* be*n p*oduce* in the pa** and has i*s productio* costs stored in
</line>
<line>
a databa*e. T*is resul*s in an *gile a*d re*iable est*mat*, consideri*g th*t onl* a *mal* p**t o*
</line>
<line>
the p*o**ct w*ll need a m**e e*aborate estimate (St*f*nelli, 20**).
</line>
</par><par>
<line>
In the *ompan* *hat is the focus of th*s
</line>
<line>
project, t*e project i* to use the metho* of
</line>
</par><par>
<line>
e**imation by
</line>
<line>
comparison in the sector* th** are responsibl* for th* aggrega*ion of parts *o
</line>
</par><par>
<line>
form a component set of a **n*l product, *hese sectors *re the Boiler a*d Fina* Assembly. The
</line>
</par><par>
<line>
detail*d estim*t*on
</line>
<line>
m*thod seeks to more accur*tel* veri*y the pro*ucti*n co*ts of * given
</line>
</par><par>
<line>
product, bu* because it is a *roce*s with a high d*g*ee o* criticality, *t n*eds some inform*tion
</line>
</par><par>
<line>
s**h **:
</line>
<line>
drawings, material
</line>
<line>
*ist, adopted proce*s, bat*h
</line>
<line>
of m*nufacturing, etc. This p*oces*
</line>
</par><par>
<line>
can result, for example, *n the delivery of *h* total amou*t of *our / ma* req*ired to
</line>
<line>
m*nufactur* a given product in * given sector.
</line>
<line>
As in an ind*stry *ith an ETO produc*ion environment, the *ata collect*o* proces*,
</line>
<line>
due t* the high *ariet* of products, i* very co*plex. In o*der to carry out a p*oces* to est*mate
</line>
<line>
production *imes, the seque**e of activities an* product characterist*cs ca* mak* it easier to
</line>
<line>
carry out the analysis. These sequences can be describ*d as: (i) ca*rying ou* t*e collection of
</line>
<line>
process*ng *imes fo* some pr*ducts; (*i) *efinit**n of the varia*les of the*e *roducts *hat
</line>
<line>
interfere *ith processing times (s**h a* th*ckness, weight, **ngth, for examp*e); (iii)
</line>
<line>
el*bor*tion of * mathematical formula th*t li*ts th* p*oduc* v*ri*bles whose proc*ssing times
</line>
<line>
have not been **ll*cted; and (i*) check*ng t*e variation be*ween p*ocessi*g ti*es ca*culated
</line>
<line>
by t*e d*fined for*ul* and meas*red in th* proce*s in *rder to veri*y th* form*l*'s margin of
</line>
<line>
error (Stefanelli, 20*0).
</line>
</par><par>
</page><line>
Rev. FSA, Teresina, v. 22, *. 1, ar*. 3, p. 44-60, jan. 202*
</line>
<line>
www4.fsanet.com.br/revista
</line>
</par><page>
<par>
<line>
* Me*hodological Approac* to Estimating Prod*ction Times in Eng*n*er-to-Order In*us*ry
</line>
<line>
53
</line>
</par><par>
<line>
3 METHOD*LO*ICAL CHOICES
</line>
</par><par>
<line>
*h* pr*sen* r**ea*ch was c*rrie* out through an exploratory ca*e s*udy, in the
</line>
</par><par>
<line>
*om*any TMSA - Tecnologi*
</line>
<line>
** M**imen*a*ão. SA. Ca*e s*udy is * meth*d in which it
</line>
</par><par>
<line>
a**ow* th* *es*archer to ret*in ch*ra*teris*ics of organization*l and admi*istrative pro*esses.
</line>
<line>
Unlike othe* researc* met*ods, *he case study is not intended to demons*rate specific
</line>
<line>
characteristics *n a su*j*ct, but rathe*, a globa* view o* the p*oblem and t* *how the factors
</line>
<line>
that i*fluence or are *nfluenc*d by it (Gil, 2018).
</line>
<line>
The d*ta collection process took p*ace thro*g* s*ontaneous *bse*vati*n, in which th*
</line>
</par><par>
<line>
research*r, *emaining unaware *f the
</line>
<line>
communi*y, grou*
</line>
<line>
or situation he
</line>
<line>
*ntend* to *t*dy,
</line>
</par><par>
<line>
*bse**e* *he facts that
</line>
<line>
oc*ur there. It is su*table f*r explor*t**y studies, as it favors
</line>
<line>
t he
</line>
</par><par>
<line>
*pproach of the research*r as th* re*earched phenomenon (Gil, 2018).
</line>
<line>
As this is a case study, all dat* c*llected d*rin* the *roces* a*e a*alyzed *nd
</line>
</par><par>
<line>
interpreted in
</line>
<line>
paral*el w*th it* *ollection. *n thi* way, *he a*alysis starts *rom the first
</line>
</par><par>
<line>
obser*a*ion record, with that the inf*rmation end*
</line>
<line>
up
</line>
<line>
being *r**essed *nd co*pared in real
</line>
</par><par>
<line>
time, t*us be**ming a us***l tool for th* res*archer (Gil, 2*18).
</line>
<line>
The case study wa* applied at TMSA - Tecnolog*a em Movimentação. S*. L*cated in
</line>
<line>
the north of Port* Alegre, capital *f the *tat* of Rio G*ande do Sul, the c*mpany founded in
</line>
</par><par>
<line>
1966
</line>
<line>
has a**r*x*m*tely 600 emp*oyee*. **e org*nizatio*
</line>
<line>
is an in*ustry *n the *etal-
</line>
</par><par>
<line>
*e*han*cal *ector, characterized by
</line>
<line>
being one o* *he main suppliers in MERC**UR of
</line>
</par><par>
<line>
equipment for port terminals and handling of solid bu*k *n hi*h capacities and long distanc*s.
</line>
</par><par>
<line>
TMSA has a v*ry di*ersif*ed
</line>
<line>
**rticip*tion in s*ver*l ma*ket segmen*s s*ch as: Port
</line>
</par><par>
<line>
Term**als; Mining; Ener*y; Coal; Fertilizers; Sugar; Agribu*iness. Due *o its high supply
</line>
<line>
line, c*mbin*d ***h the high level of c*stomiza*ion of it* projects *nd *roducts, *MSA f*ts its
</line>
<line>
producti*n environment as the ETO (*ngine*r to Ord*r). T*ro*gh thi* prod*ction *ethod it
</line>
<line>
provide* customize* s*lutions, oriented a** according to the requirements of its **sto*ers.
</line>
</par><par>
<line>
The fir*t s**ge of the work *as the r**lization of the present pr*j**t, using
</line>
<line>
a
</line>
</par><par>
<line>
b*bliograp*ic search b*s*d on articles, books and websites in whi*h the relevant subjects
</line>
<line>
o*
</line>
</par><par>
<line>
the w*rk guide. ***s bib*iographic search based on th* keywo*ds: Production times; ETO
</line>
<line>
Industry; Me*hod Validation.
</line>
<line>
The se*ond stag* *f the work will be the *dentifica*io* and analysis of the method of
</line>
</par><par>
<line>
estimati*g **oductio* times a*o**ed i* the Prepar*tion *ector
</line>
<line>
of the focus company. Th*
</line>
</par><par>
</page><line>
sector h*s t** wo*kstat*ons, each with specific chara*teristics **r d*termini*g operating ti*es.
</line>
<line>
The *ha*acterist*c* and neces*a*y *nformatio* will be investigated i* *he w*rk.
</line>
<line>
Rev. FSA, Teresina PI, v. 2*, n. 1, *rt. 3, p. 44-60, j**. 2*25 w**4.*sane*.com.*r/revi*t*
</line>
</par><page>
<par>
<line>
R. A. Francelino, S. V. Bonat*, E. F. Z. Pereir* Jun*o*, C. M. C. F. Lope*, F. K. Le*te
</line>
<line>
54
</line>
</par><par>
<line>
The thi*d stage in*olves the va*id*tion of the method using the *iming pr**ess, in the
</line>
</par><par>
<line>
main *o*kstations in the Prepa*ation se**or. The
</line>
<line>
timed tim* at the Workstation can
</line>
<line>
be
</line>
</par><par>
<line>
compared *ith the st*ndard **recaste* time av*ilab*e ** the database
</line>
<line>
spr*adsh*et. A* thi*
</line>
</par><par>
<line>
stage of the *o*k, *ased on the analysi* descr**e* above, the method of estimating production
</line>
<line>
times ca* be validat*d.
</line>
</par><par>
<line>
As * form of evidenc*, g*aph*
</line>
<line>
*nd
</line>
<line>
*a*les co*paring Estimated Time (dat*base) and
</line>
</par><par>
<line>
Realized Time (timed) wi*l be us*d. For this, *i** r*ga*d *o *he display of data, the ma**ice*
</line>
<line>
are ar*angemen*s made up of *olumns *nd row* that quickly e*able the comparison betw*en
</line>
<line>
the da*a (Gil, 2*18).
</line>
<line>
4 RESULTS AND DI*CUSSION
</line>
<line>
The P*epara*i*n sect*r of *** company that f*cuses on the *ork, has the *unction of
</line>
</par><par>
<line>
manufact*ring
</line>
<line>
par*s for the *ther productive s*ctors of the company. Thi* org*nizes your
</line>
</par><par>
<line>
pr*duct*on using t*e p*oc*ss *ayout.
</line>
<line>
Each process, with sim*lar cha*acteristi*s, is divi*ed into ten W*rkstations. *heir assignments
</line>
<line>
can b* seen below, in Ta*le 1.
</line>
<line>
T*ble 1 - Assig*ments per Wor*stati*n of t*e Preparat**n sect*r
</line>
</par><par>
<line>
Stations
</line>
<line>
*tations *tt**bution*
</line>
</par><par>
<line>
P1
</line>
<line>
Therm*l and mech*nical cutting o* *he plates.
</line>
</par><par>
<line>
P2
</line>
<line>
Cutting **d stamping of profiles from punc*ing.
</line>
</par><par>
<line>
P*
</line>
<line>
Cut, mec*anical a*d punct*re*, *rofil*d.
</line>
</par><par>
<line>
P4
</line>
<line>
Turning, m*l*in*, dr**ling and threading of *ig*t parts a*d equipm*nt.
</line>
</par><par>
<line>
P5
</line>
<line>
Dril*ing, count*rsinking and cutting of plates and profil*s.
</line>
</par><par>
<line>
P6
</line>
<line>
Bend**g and bending oper*ti*n of sheets, *rofiles *nd tube*.
</line>
</par><par>
<line>
P7
</line>
<line>
St*mping operatio* by e**entr*c pr*ss*s.
</line>
</par><par>
<line>
P8
</line>
<line>
B**ding and shaping of pl**es by turning machines.
</line>
</par><par>
<line>
*9
</line>
<line>
Turning *pera**on of *eavy eq**pme*t and parts.
</line>
</par><par>
<line>
P 10
</line>
<line>
Machining o**ration (milling a*d th*ead*ng) b* machining center.
</line>
</par><par>
<line>
Source: research d*ta
</line>
<line>
For bett** understand*ng, the **ct*r's ***kstations *ave *een numbered, accor*i*g to
</line>
</par><par>
</page><line>
the floor plan la**ut s*own i* *igure *. It wort* n*ting that Workstations 4, 6, 9 **d 10 *s
</line>
<line>
Rev. FSA, Teresina, v. 22, n. 1, art. 3, p. 44-60, **n. 2*25 *ww4.fs*net.c*m.*r/r**ista
</line>
</par><page>
<par>
<line>
A Met*od*log*cal Ap*ro*ch to Esti*a*ing Pr*duct*on Times in Eng**eer-to-Ord*r Industry
</line>
<line>
*5
</line>
</par><par>
<line>
appear do*ted in the lay*ut beca*se they are in t*e p*oce*s of development the ti*ing and
</line>
<line>
cons**uently the det***ination of their pr*ductive *imes, not being **jects of t*e *a*a
</line>
<line>
*ollect*o*.
</line>
<line>
Figure * - T*SA Pre*arat*on Sector Plant
</line>
</par><par>
<line>
So*rce: **SA - Tec*ologia em Mov*mentação SA.
</line>
<line>
The data collecti*n process took place at W*rk*tations 1, 2, 3, 5, 6, and 8, w*ich 7
</line>
<line>
wer* *ampl** for verifica*ion the qu*nti*y of app*oximately te* Pro*ucti** O*ders, wit* ite*s
</line>
<line>
(pie*es) and various *ots. The intention of using a r*ndo* samp*e relat*d to the quantit*es of
</line>
<line>
part* and ba*ches of the *roduction **de* i* to se*k the high *r*duc*ion v*riabili*y *xisti*g in
</line>
<line>
*he sector, which reinfo*ces the p*esence of the ETO pr*duction e*v*ronment in the
</line>
<line>
or**niz*tio*.
</line>
<line>
In each wor*sta*ion, th* most common proc*ss was used to assess the time ta*en for
</line>
</par><par>
<line>
t he
</line>
<line>
task. To d*termine the expected operating time, the Manufac*urin* Timesh*et was
</line>
</par><par>
<line>
adopte*, av*ilable in the compa*y's sys*em directory. This tool **es th* main character*stics
</line>
<line>
of the Wo*k*tation* as a basis for prep*rin* the times, which di*ectly i*fluence the operating
</line>
<line>
time. After t*e survey of th* **alized Ti*e da*a - defined by *iming - and Estimated *i** -
</line>
</par><par>
<line>
calcul*ted by **e Manufa*turing Ti*eshe** ava*lable in
</line>
<line>
t*e c**pany's database - these *ill
</line>
</par><par>
<line>
b* presented and analyz*d throug* the com*ara*ive tables and graph*.
</line>
<line>
*n o*der to highlight the data collection process, comparative table* and graphs wer*
</line>
</par><par>
<line>
created for
</line>
<line>
the analys*s. These
</line>
<line>
bri*g the Estimated *ime, *en*rated by the *anufacturing
</line>
</par><par>
</page><line>
Rev. FSA, Teresina PI, v. 22, n. 1, art. 3, p. 4*-60, jan. 2025
</line>
<line>
www4.fsanet.com.br/revis**
</line>
</par><page>
<par>
<line>
R. A. Francelino, *. *. Bon**o, E. *. Z. Perei*a Junior, C. M. C. F. Lop*s, F. *. Leit*
</line>
<line>
*6
</line>
</par><par>
<line>
T*mesheet. An*ther dat* *vide*ced *s *h* Rea*iz*d Time, *en*r*ted by *he timing process.
</line>
<line>
Each Workstati*n analyzed g*nerate* a table and a *raph desc*ibing the comparison betwee*
</line>
<line>
th* times.
</line>
<line>
After ha*ing *he d*t* an**ysis pro*es* complete*, as a mea*s of veri*ication, it wa*
</line>
<line>
created *nd is pre*e*ted below, in F*gure 2. This esta*lishe* *he consoli*ation o* all times
</line>
<line>
(Expected and Acc*m*l*shed) ra*sed and an*lyzed in the study.
</line>
<line>
F**ur* 2 - Time *on*o*idation Chart - Wo*ks*ation*
</line>
<line>
*repa*at*on.
</line>
</par><par>
<line>
Sour*e: research d*ta
</line>
<line>
W**n analyzing the ch*rt, a reliabil*ty pa*ter* *n the Estima*ed Time s*a*ds *ut in
</line>
<line>
mos* of *h* Workst*tions, ho*ever Wo*kst*tions 3 *nd 7, still have small divergences *hen
</line>
<line>
*onsiderin* thei* ti*e*, which w*s *ep*rted *s an op*ortunity for improvement in the method.
</line>
<line>
4.1 PROPOSED IMPROVE*E*TS FOR *HE METHO* OF ESTIMATI*G PRODUC*ION
</line>
<line>
TIMES
</line>
</par><par>
<line>
Among the improveme**s appli*d to ada*t
</line>
<line>
the metho* ** t*e ETO pr*duction
</line>
</par><par>
</page><line>
env*ronme*t, present in th* sector, th* update in the way of me*suring th* s*tup time at Work
</line>
<line>
Station 1, *esponsibl* for t*e thermal cutting proces*, stan*s ou*. Pr*viously, early in the
</line>
<line>
Rev. FSA, Teresina, v. 22, n. *, art. 3, p. 44-**, ja*. 2025 www4.fsanet.*om.br/r*vista
</line>
</par><page>
<par>
<line>
A Met*odolo*i*al Approach to Esti*atin* Product*on Ti*es i* Engineer-to-Or**r In*us*ry
</line>
<line>
5*
</line>
</par><par>
<line>
devel*pmen* of *he m*thod, *ach piece sent to Work**ation 1, counted a setu* time o* 14
</line>
<line>
mi*utes, this t**e genera*ed b* t** timi*g process. *h*s **ctor s*arte* *o di*tor* the Estimated
</line>
<line>
Ti*e in relat*on to th* R*alized *ime *f setup.
</line>
</par><par>
<line>
B*s*d on this pro**em, a
</line>
<line>
proce*s *as *eve*oped to improve the accuracy *n
</line>
<line>
* he
</line>
</par><par>
<line>
*st*mated *ime of se*up. B*sically, the
</line>
<line>
upda*e had as a *ormula t*e direct weig*ting *f t*e
</line>
</par><par>
<line>
part area with t*e raw material are* (*lat*), used for
</line>
<line>
the thermal cuttin* pr**ess. A* it is
</line>
<line>
a
</line>
</par><par>
<line>
relatively new met*od i* *he organization, i* is still undergo*ng expansion a*d developm*nt.
</line>
</par><par>
<line>
Fro* the pr**ress of da*a collection fo*
</line>
<line>
the *roject, it *as p**sib** to see a series of
</line>
</par><par>
<line>
o*portun*tie* for impr*vemen*s *o the pr****ed production *ime esti*atio* m*thod.
</line>
<line>
To **is end, *he follo*ing opportunities stand out: (i) to define a m*thod to *sti*at*
</line>
<line>
*h* time for moving par*s *n Workstations P2, P3 and P7; (ii) to create a factor of aggregation
</line>
<line>
of produ*tive *i*e *or acti**t*es that i*vo*ve *o*e *han one ope*ator at Work Station 8, with
</line>
<line>
this the guarantee of t*e hourl* / m*n data in the resources o* this station *ill **c*me more
</line>
<line>
rel*abl*; (iii) to develo* * meth*d *f Estimation by C**p*r*son f*r the sectors of
</line>
</par><par>
<line>
Bo*lerma*ing and Final *sse*bly; (iv) to *evelop *he Detaile* Estima*ion meth*d
</line>
<line>
for
</line>
<line>
t he
</line>
</par><par>
<line>
Painting sector; (v) to u*e the *roduction ho*r* *o meas*re the Estimated *ime of operat*on.
</line>
<line>
5 FINAL CONSIDERATION*
</line>
<line>
Thi* study addressed *he m*th*d of esti*ating producti*n times ad*pt*d in *n industr*
</line>
<line>
wi*h t*e ETO production envir*nme*t. A pr*cess of *x*reme complexity, due to the *igh rate
</line>
<line>
*f c*stom*z*tion of product* combined *ith the high va*iabi*ity of production ex*sting in this
</line>
<line>
p*oduction sy*tem.
</line>
<line>
The *ethod was analyz*d in the *repa*ation se*to* of th* target compa**, *rom there
</line>
</par><par>
<line>
th* detai*ed esti*ation proc*ss was evidenced in t*e dat* coll**tion. In it,
</line>
<line>
*t was *ossible to
</line>
</par><par>
<line>
observe
</line>
<line>
that *har*cteristi*s *hat
</line>
<line>
di*ect*y *nf*uence *he time of
</line>
<line>
operat*o*, such as thickness,
</line>
</par><par>
<line>
*imens*ons, area, amount
</line>
<line>
of drill*ng, h*ight, etc., a*e the b*sis for
</line>
<line>
*he develop*ent of
</line>
<line>
t he
</line>
</par><par>
<line>
*esult of t*e Predicted T*mes in all analyzed Worksta*ions of t*e s*ctor, where ea*h of them
</line>
</par><par>
<line>
uses c*aracteristics
</line>
<line>
inherent
</line>
<line>
to their processes to d*termine the most suitable
</line>
<line>
*tandard
</line>
</par><par>
<line>
operating time.
</line>
</par><par>
<line>
F*om the data analysis, the e*fectiveness o* t*e
</line>
<line>
method was *e**fied. It is worth
</line>
</par><par>
<line>
menti*ning tha* some Workstatio*s *eed ** have the*r me*hod of es*imating productio* times
</line>
</par><par>
<line>
more re*in*d,
</line>
<line>
as **ghl*g*t*d ** *igure 21, whic*
</line>
<line>
*rings *h* consolidatio* of the E*tima*ed
</line>
</par><par>
</page><line>
Time in r*l*ti** t* the Time R*alized in *l* W*rkst*tion*.
</line>
<line>
Re*. FSA, Te*esina P*, v. 22, n. *, *rt. 3, *. 44-60, jan. 2025 www4.**a*et.**m.br/revista
</line>
</par><page>
<par>
<line>
*. A. F*anc**in*, *. V. Bonato, E. F. Z. Per*ira Junior, C. M. *. F. *op*s, F. K. L*it*
</line>
<line>
58
</line>
</par><par>
<line>
T*e study also bro*ght
</line>
<line>
o*portu*i*i*s f*r improveme*t
</line>
<line>
in the method, topic directl*
</line>
</par><par>
<line>
add*essed in the sp*cifi* objectives of this paper. This fa*t prov*d to be ex*re*ely important
</line>
<line>
for the d*ve*opment, expansion an* maintenance *f the process. From it, th* critic*l *oints are
</line>
<line>
highlight*d and defined *s * prio*ity for future *ctions.
</line>
<line>
**e lim*ta*ion of thi* wo*k was *o *eal *it* the great varia*i*it* *f produc**on e**sting
</line>
<line>
in the TM*A factor* en**ronmen*. Due to *his, so*etimes idle resources in Workstations,
</line>
<line>
made data collectio* im*oss***e. On th* other hand, dependi*g ** the p*o*u*tion mi* pre*ent
</line>
</par><par>
<line>
in th* manufacturing environm*n*, t*e l*rge
</line>
<line>
number *f parts hindered the t**ing *r*cess *n
</line>
</par><par>
<line>
bot*leneck *esour*es. In this sense, the great c*a*lenge o* the w*rk was to fi*d id*al g*ps f*r
</line>
<line>
the safe per*or*anc* of data co*lectio*.
</line>
<line>
Fo* future work, it *s suggested tha* the sectors t**t remained as *n opportunity for
</line>
<line>
improvement to create the method ** estimating production tim*s, Boi*er*aking, Pai*ting and
</line>
</par><par>
<line>
Final A*sembly,
</line>
<line>
be an*lyzed and val*dated. With this, all the produ*tive sec*ors o*
</line>
<line>
t he
</line>
</par><par>
<line>
company that is the *ocus of the stu** will have *hei* *ethods def**ed and validated.
</line>
</par><par>
<line>
An*ther sugges*ion i*, from *he de*ermination o* t*e *sti*ate* Times for the
</line>
<line>
o*her
</line>
</par><par>
<line>
se*tors, to mon*tor a product, *heckin* its production *imes i* *ll the productive sectors ** th*
</line>
<line>
organi*at*on.
</line>
<line>
It c*n be concluded that th* study met the proposed r*sea*ch pr*blem. Ye*, it is
</line>
</par><par>
<line>
possible to develop * me*h*d
</line>
<line>
*f estimating production times in
</line>
<line>
an *ndus*r* with an E*O
</line>
</par><par>
<line>
env*ronment. For this, it i* import*nt to develop factors *h*t a**ow worki*g with the gre*t
</line>
<line>
variability of **oducts and the unp**d*ctability of production existing in t*is environ*ent. The
</line>
<line>
clear k*owledge of the v*ri*us product*, the adju*tment *f an appr*p**ate *nd specific
</line>
<line>
physi*al l*yout for each pr**ess involved, the understa*din* ** the ph*s*cal characteristi*s of
</line>
<line>
th* produ*ts that directly influence their production times, combined with a rel**ble
</line>
<line>
chronoanalys*s *rocess, thu* bringing confi*en*e fo* de*ermination *rom a deta*led estim*te,
</line>
<line>
you can d*term*ne an extremely *eliable production times estimate.
</line>
<line>
REFERE*CE*
</line>
<line>
AMA*AL, I et al. O método M*LK-R** com* estratégia pa*a red*ção de custos lo*ístic*s:
</line>
<line>
um estudo de caso. In: XXX**II En*ontro *acional d* Enge*haria d* Produção, Alagoas,
</line>
<line>
v. 38, 20**.
</line>
<line>
AMERI*O, G. A.; COSTA, C. A. Planeja*ento e c*ntro*e da pro*ução em um ambiente de
</line>
</par><par>
<line>
produção so* encomenda. Scientia Cu* Ind*stri*, v.
</line>
<line>
7,
</line>
<line>
n. 2, p. 68-75, *019.
</line>
</par><par>
<line>
ht*ps://doi.org/10.18226/231*5279.v7iss2p68
</line>
</par><par>
</page><line>
R**. FSA, ***esina, v. 22, n. 1, art. 3, p. 44-60, jan. 2025
</line>
<line>
www4.f*anet.com.br/rev*sta
</line>
</par><page>
<par>
<line>
A Metho*olog*cal Approach to Est*mating P*oduction T*m*s in *ngin*er-to-Order Indust*y
</line>
<line>
5*
</line>
</par><par>
<line>
CORRE*, H. L.; GIANESI, I. G. N.; CAON, M. P*anejam*nto,
</line>
<line>
Pr*gr*mação * Controle
</line>
</par><par>
<line>
da Pro*u*ão: MRP *I/ERP. 4.ed. *ão Pau*o: Editora Atla*, 2001.
</line>
</par><par>
<line>
DA S**VA E*GES, A. P. B; VIANA, D. D.; FORMO*O, C. T. Diretrizes p*ra a mediç** de
</line>
</par><par>
<line>
de*empenh* *e pr*ces*o logístic* *m uma em*resa de s**temas *ré-fab**cados que *dota
</line>
<line>
a
</line>
</par><par>
<line>
filoso*ia Lean Pr*duct**n. Produto & Pr*d*ç*o, v. 15, *. 4,
</line>
<line>
20*4.
</line>
</par><par>
<line>
https://doi.org/10.22*56/1983-8026.51566
</line>
</par><par>
<line>
*E BRITO NOGUEIR*, N et al. Planejamento, programação e controle *a *rodução na
</line>
</par><par>
<line>
indústria. R*v*sta
</line>
<line>
de Gestão e Secretariado,
</line>
<line>
v. 14, n. 6, p. 8*47-86*0,
</line>
<line>
**23.
</line>
</par><par>
<line>
h*t*s://*oi.*rg/*0.7*69/gesec.v14i6.2245
</line>
<line>
GA*L*, T e* al. In*ustry 4.0 tools in lean production: A sys*em*tic literature
</line>
</par><par>
<line>
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*0
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C*mo Refere*ciar este Art*go, c*nforme ABNT:
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*. A. F*ANCELIN*, S. *. BO*ATO, E. F. Z. PER*IRA JUNIOR, *. M. *. F. LOPES, F. K.
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Contri*u*ção dos Autores
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*. A. *rance*ino
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S. V. Bonato
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E. F. Z. Pereira Junior
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C. M. C. F. *opes
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F. K. *eit*
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</par><par>
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1) concepção e planejam**t*.
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*
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2) a*álise e interpretação **s dado*.
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X
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X
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X
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X
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</par><par>
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*) elabor*ção d* rasc*nho o* na revisã* crítica do con*eúdo.
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X
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X
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X
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X
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</par><par>
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4) participação n* a*rovação da versão f*nal do manuscrito.
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X
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X
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*
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</par><par>
</page><line>
Rev. FSA, *eresi*a, v. 22, *. 1, a*t. 3, p. 44-60, *an. *0*5
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www4.fsan*t.c*m.*r/revista
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