刀具磨损的形成机制-加工工艺装备夹具毕业课程设计外文文献翻译、中英文翻译.docVIP

PAGE PAGE 1 1 英文文献 1.1Performance of cemented carbide tools Abstract?The?performance?of?cemented?carbide?cutting?tools directly?influence?machining?quality?of?the?machined?workpiece?.In?this? paper,?the?forming?mechanism?of?boundary?notch?of?cemented carbide?cutting?tool?is?studied,?related?theories?analyzed,?a definition ?the?boundary?notch?size?presented,?and?main?factors?to influence boundary?notch?of?tool?pointed?out.?Besides?forming?process and change?lay?of?the?boundary?notch?of?tool?are?found out,and a certain?number?of?measures?to?decrease?and?control?the?boundary?notof?tool?have?been?advanced. Key?words??boundary?notch;?cemented?carbide?cutting?tool;cutting burr;?corner?radius;?tool?cutting?edge?angle.1?INTRODUCTION The?wear?and?boundary?notch?of?cemented?carbide?cutting?tools are?often?found?in?the?machining.?They?directly?influence?machining quality?of?the?machined?workpiece?and?the?cutting?performance?and? life?of?the?cutter.?Especially,?in?the?precision?machining,flexiblemanufacturing?system?(FMS)?and?other?automation?manufacture,?wear?andboundary?notch?behaviors?of?cemented?carbide?tools?are?even?more important.?Metal?cutting?experiences?have?expounded?that?wear?and?boundary?notch?of?the?cemented?carbide?cutting?tools?are?more?seriousin?the?machining?of?the?workpiece?in?which?the?strain?hardening?ishigh?and?the?remaining?is?not?even.?It?seriously?influences?the? machining?quality?of?the?machined?piece?and?the?cutting?performance and?life?of?the?cutter.?But,?so?far,?there?has?not?been?much?research?on?the?boundary?notch?mechanism?of?cemented?carbide?cuttincutter,?and?the?technical?measures?to?reduce?boundary?notch?of?cemented?carbide?cutting?tools?are?fewer.?So?that,the?based?on?the machining?experiments?of?friction?welded?joint,?this?research? focuseson?the?forming?processes?and?main?rules?of?the?boundary?notch,?andhas?developed?several?measures?to?resist?or?lessen?boundarnotch,?which?provides?a?theoretical?and?experimental?base?to?ensure?