Machines_2015June.pptxVIP专享VIP免费原创优质

SAFEOPERATIONOFMACHINESATRAININGFORTHEMETALWORKINGINDUSTRYUpdatedonJune2015TableofContentsThefollowingtopicswillbecovered:1.Introduction2.Incidentsrelatedwithmachineoperation3.MachineHazards4.MachineSafety•RiskManagement•ControlMeasures•SafePractices1.IntroductionThisslideispreparedfortheworkersinthemetalworkingindustryforabetterunderstandingofthehazardsassociatedwiththemachinesusedintheindustry.Hence,controlmeasuresandrisklevelscanbeassessedforeffectivecontrolofthehazards.Thehazardsidentifiedinthepresentationmaybeapplicabletootherindustries.2.IncidentHistoryIncidentsoccurreddueto:•Lackofprotection(e.g.equipmentsafeguards);•Notfollowingprocedures;•Lackoftraining;•Lackofmaintenance;•Horseplay;and•Others2.IncidentHistoryTheseincidentscancause:•Damagetothebody,e.g.cuts,crushingoflimb,etc•Injuriesbyenergiesreleasedfromthemachine,e.g.electricalshock,burn,etc•Fatalities2.IncidentHistoryIncidentsassociatedwithmetalworkingindustry:Sprains,Strains860Fractures430Cuts,Punctures380Bruises230HeatBurns--ChemicalBurns--Amputations50TotalCases3400Source:SurveyofOccupationalInjuriesandIllnessesinCooperationwithParticipatingStateAgencies,BureauofLaborStatistics,U.S.DepartmentofLabor3.MachineHazardsWhenidentifyingthehazardsrelatedwithmachines,weshallconsider:•typeofmachines•layoutofmachines•drivenmethod,e.g.electricity,air,etc•operatingparameters,e.g.speed,pressure,temperature,sizeofcut,mobility,etc.•materialstobeprocessedorhandledandmethodoffeed3.MachineHazards•operatorpositionandcontrols•accessforsettingadjustmentsandmaintenance•environmentalfactors,e.g.dust,fumes,noise,temperature,humidityetc•operatingrequirementsincludingwhattheoperatorneedstodo3.MachineHazardsTypicalhazardsrelatedwithoperationofmachinesinclude:mechanical:e.g.crushing,shearing,cuttingorsevering,stabbingorpuncturehighpressurefluidejectionelectricalshocknoiseandvibrationcontactwithextremesoftemperatureergonomicsothers3.MachineHazardsLooseClothingUnguardedRotatingPartsofMachine3.MachineHazardsUnguardedRotatingPartsofMachine3.MachineHazardsUnguardedRotatingPartsofMachine3.MachineHazardsUnguardedRotatingPartsofMachinePictureSource:ConceptsandTechniquesofMachineSafeguarding,U.S.DepartmentofLabor,OSHA3067,1992(Revised)3.MachineHazardsUnguardedRotatingPartsofMachinePictureSource:ConceptsandTechniquesofMachineSafeguarding,U.S.DepartmentofLabor,OSHA3067,1992(Revised)4.MachineSafety4.1RiskassessmentformachineoperationStepsforriskassessment:•Step1:Identifythehazards•Step2:Identifytheexistingcontrols•Step3:Assesstherisklevelbasedonthematrix•Step4:Identifytheneedforadditionalcontrolmeasures•Step5:AssigntheresponsiblepersonsReferto“RiskManagementforMetalworkingIndustry”andMOMRiskManagement:RiskAssessmentGuidelines”fordetailedriskmanagementdescription.Step1:Identifythehazards•Breakdowntheactivities•IdentifythehazardsandConsequenceofeachactivity(Section3)4.MachineSafety4.MachineSafetyStep2:Identifytheexistingcontrols4.MachineSafetyStep2:Identifytheexistingcontrols•anysafeguardsinplace?•anywrittenprocedurestocontrolormitigatetherisk?•whatarethePPEused?4.MachineSafetyStep3:AssesstheriskbasedonthematrixRiskLevel=Likelihood×Severity4.MachineSafetyLikelihoodDefinitionbyMOMLevelLikelihoodDescription1RareNotexpectedtooccurbutstillpossible.2RemoteNotlikelytooccurundernormalcircumstances.3Occa...