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ID:33828137
大小:1.24 MB
页数:36页
时间:2019-03-01
《Liccoln WPHB - Section 12 (Welding Costs).pdf》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、Section12WELDINGCOSTSSECTION12.1ESTIMATINGWELDINGCOSTSPageTheApproachtoCostEstimation.......12.1-1FactorsInvolvedinWeldingCosts......12.1-1TheOperatingFactor.................12.1-2BasicCostingProcedures..............12.1-4ComputingtheWeightofWeldMetal....12.1-7RoughandReadyCostEstimation......12.1
2、-9TheUseofWeldingCostFormulas......12.1-10PrecautionsWhenUsingCostFormulas..12.1-22HowtoDetermineActualValuesforCostFormulaFactors...................12.1-23TheDisciplinaryValueofCostingStudies...........................12.1-24TheDesigner'sRoleinMinimizingWeldCosts............................12.1-2
3、4TheQuestionofNegativeTolerance.....12.1-28ReinforcementsandWeldCosts.........12.1-30ComputerUsageintheWeldingIndustry.12.1-3012.1-1EstimatingWeldingCostsTHEAPPROACHTOCOSTESTIMATIONaccountingpractices.Whereunrealisticfiguresareassigned-say,toweldingspeedsortotheoperatingAllusersofweldingare,attime
4、s,confrontedfactor-thecostformulaswillgiveunrealisticwiththeproblemofhowtodetermineweldingcosts.results.It,thus,behoovesthepersonmakingtheAcostanalysismayberequiredinadvanceofactualcostanalysistoverifythevalidityofhisdatabeforewelding-inwhichcasetheresultswouldconstituteapplyingittoacostformula.Th
5、atsounddatacanacostestimate-orthecostanalysismaybemadebeobtainedisprovedbytheexperienceoflargeafterweldingisinprogressforvariousevaluationcompaniesthat,throughyearsofexperience,areormanagementpurposes.Thereasonsforcostingabletoestimatefigurativelytothecentonrepetitiveweldingarevaried,butmostoftena
6、reto:welding.Also,theabilityofanexperiencedshopprovidedataneededforbiddingonajobforemanto"guess"thecostofajobwithhighcomparetheeconomicsofweldingwithsomeaccuracysuggeststhatsoundjudgmentsaboutothermethodoffabricatingormanufacturingintangiblefactorscanbedeveloped.establishinformationrequiredinmakin
7、gadecisionbetweenalternatedesignsFACTORSINVOLVEDINWELDINGCOSTSevaluateproposedchangesinproceduresBeforeattemptingtocalculateweldingcosts,itcomparetheeconomicadvantagesofcompetingisdesirabletohaveaclearunderstandi
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