问题标题:
英语翻译#149DesignofHolePunchingDies(9)DesignoftheBackingPlateCategory:ShearFormingMarch15,2013Aforceequivalenttothemachiningforceactingonthepunchisalsogeneratedonitsbackface.Thisforceisreceivedfromthefaceof
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英语翻译

#149DesignofHolePunchingDies(9)DesignoftheBackingPlate

Category:ShearFormingMarch15,2013

Aforceequivalenttothemachiningforceactingonthepunchisalsogeneratedonitsbackface.Thisforceisreceivedfromthefaceofthepunchholder,etc.

Inthecaseofapunchwithasmallcross-section,asshowninFig.1,thisforcecannotbereceivedsufficientlybythesurfaceoftheholderandthepunchmaydigintotheplate.

Inthecaseofapunchwithasmallcross-section,asshowninFig.1,thisforcecannotbereceivedsufficientlybythesurfaceoftheholderandthepunchmaydigintotheplate.InthecaseofapunchholdermaterialsuchasS50Cthatisusedwithoutheattreatment,asaguide,whentheaveragesurfacepressureonthebackfaceofthepunch(theloadperunitareawhentheforceisconsideredtobereceivedbyuniformlydistributingthemachiningforceoverthesurfaceofthepunchflange)becomesmorethan16Kg/mm2,thepunchislikelytodigintothepunchholder.

金聪回答:
  分数太少虽然分数没用可是你也太看不起英语的价值了吧何况还是模具英语
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