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《金屬工藝學(xué)_名詞解釋（metal technology _ glossary）》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、金屬工藝學(xué)_名詞解釋（Metaltechnology_Glossary）Nouninterpretation1,machiningaccuracyandmachiningerrorMachiningaccuracyreferstothedegreeoftheactualvalueoftheparameterssuchassize,shapeandpositionofthepartsafterprocessing,andthedegreeofconformitywiththeidealvalue;Machiningerrorreferstothechangeoftheactualva
2、lueandidealvaluebetweentheparameterssuchassize,shapeandpositionofthepartsafterprocessing.2,positiveconnectionandreverseconnectionTheweldingelectrodeisconnectedwiththepositiveelectrode,andtheweldingelectrodeisconnectedwiththenegativeelectrode;thereverseconnectionisthenegativeelectrodeoftheweldm
3、entandtheelectrodeisconnectedtothepositiveelectrode.3.ForwardmillingandreversemillingForwardmilling:therotationdirectionofthemillingcutteristhesameasthefeeddirectionoftheworkpiece;thereversemilling:therotationdirectionofthemillingcutterisoppositetotheworkpiecedirection.4.Mechanicalpropertiesof
4、engineeringmaterialsReferstoitsperformanceundertheinfluenceofavarietyofexternalforces,suchasstrength,hardness,plasticity,impacttoughness,fatiguestrength,etc..5,process,installationandworkstepAprocessisaprocessinwhichoneoragroupofpartsiscontinuouslycompletedataworksite.ItisaworkThebasiccomponen
5、toftheartprocessisalsothebasicunitfortheinstallationoftheproductionplan;theinstallationreferstothepartwhichiscompletedintheonetimeclampingThetechnologicalprocessistheprocessthatthemachinedsurface,thecuttingtoolandthecuttingparametersarekeptunchanged.6.Weldingprocessparametersofmanualarcwelding
6、TheweldingprocessparameterreferstothegeneralnameoftheselectedphysicalquantityinordertoensuretheweldingqualityandincreasetheproductivityTheweldingparametersofarcweldingmainlyinclude:electrodediameter,weldingcurrent,weldingspeed,arclengthandweldinglayernumber.7.CuttingparametersThethreemainparam
7、etersincuttingandcuttingmovementisdirectlyrelatedtothecuttingspeed,feedrateandcuttingdepth,usuallythinkofthisThethreeelementiscalledthethreeelementoftheamountofcutting.8,grindingcylindricalgrindingmethod,transversegrindingmethodanddeepg
