Whattypesofmachinecomponentsarehazardous?Thefollowingtypesofmechanicalcomponentspresentamputationhazards:•Pointofoperation–theareaofamachinewhereitperformsworkonmaterial.•Power-transmissionapparatuses–flywheels,pulleys,belts,chains,couplings,spindles,cams,andgearsinadditiontoconnectingrodsandothermachinecomponentsthattransmitenergy.•Othermovingparts–machinecomponentsthatmoveduringmachineoperationsuchasreciprocating,rotating,andtransversemovingpartsaswellasauxiliarymachineparts.Whatkindsofmechanicalmotionarehazardous?Allmechanicalmotionispotentiallyhazardous.Inadditiontoin-runningnippoints(“pinchpoints”)–whichoccurwhentwopartsmovetogetherandatleastonemovesinarotaryorcircularmotionthatgears,rollers,beltdrives,andpulleysgenerate–thefollowingarethemostcommontypesofhazardousmechanicalmotion:•Rotating–circularmovementofcouplings,cams,clutches,flywheels,andspindlesaswellasshaftendsandrotatingcollarsthatmaygripclothingorotherwiseforceabodypartintoadangerouslocation.•Reciprocating–back-and-forthorup-and-downactionthatmaystrikeorentrapaworkerbetweenamovingpartandafixedobject.•Transversing–movementinastraight,continuouslinethatmaystrikeorcatchaworkerinapinchorshearpointcreatedbetweenthemovingpartandafixedobject.•Cutting–actiongeneratedduringsawing,boring,drilling,milling,slicing,andslitting.•Punching–motionresultingwhenamachinemovesaslide(ram)tostamporblankmetalorothermaterial.•Shearing–movementofapoweredslideorknifeduringmetaltrimmingorshearing.•Bending–actionoccurringwhenpowerisappliedtoaslidetodraworformmetalorothermaterials.ArethereanyOSHAstandardsthatcoveramputationhazardsintheworkplace?Yes.TheOccupationalSafetyandHealthAdminis-tration(OSHA)hasthefollowingstandardsinTitle29oftheCodeofFederalRegulations(CFR)topro-tectworkersfromamputationsintheworkplace:•29CFRPart1910SubpartsOandPcovermachineryandmachineguarding.•29CFR1926SubpartIcovershandtoolsandpoweredtools.•29CFRPart1928SubpartDcoversagriculturalequipment.•29CFRPart1915SubpartsC,H,andJ;29CFRPart1917SubpartsB,C,andG;and29CFRPart1918SubpartsF,G,andHcovermaritimeoperations.Whatcanemployersdotohelpprotectworkersfromamputations?Youshouldbeabletorecognize,identify,manage,andcontrolamputationhazardscommonlyfoundintheworkplacesuchasthosecausedAmputationsAmputationsaresomeofthemostseriousanddebilitatingworkplaceinjuries.Theyarewidespreadandinvolveavarietyofactivitiesandequipment.Amputationsoccurmostoftenwhenworkersoperateunguardedorinadequatelysafeguardedmechanicalpowerpresses,powerpressbrakes,poweredandnon-poweredconveyors,printingpresses,roll-formingandrollbendingmachines,foodslicers,meatgrinders,meat-cuttingbandsaws,drillpresses,andmillingmachinesaswellasshears,grinders,andslitters.Theseinjuriesalsohappenduringmaterialshandlingactivitiesandwhenusingforkliftsanddoorsaswellastrashcompactorsandpoweredandnon-poweredhandtools.Besidesnormaloperation,thefollowingactivitiesinvolvingstationarymachinesalsoexposeworkerstopotentialamputationhazards:settingup,threading,preparing,adjusting,cleaning,lubricating,andmaintainingmachinesaswellasclearingjams.FactSheetDSGFS-350804/2012bymechanicalcomponentsofmachinery,themechanicalmotionthatoccursinornearthesecomponents,andtheactivitiesthatworkersperformduringmechanicaloperation.Workpractices,employeetraining,andadmin-istrativecontrolscanhelppreventandcontrolamputationhaz...
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