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λ:֣ݻⳬӲ޹˾. : Ʒ֪ʶ . ʱ:2021/4/6. : 420 .

ֲּƷΪеװҪ󲿷ֻе豸ҪdzִӣֱӰʹͰȫڶԳֽмӹУӰԼּӹƿë칤պȴգΪȴΪء

 

ijӲȼӹѶ

ֳõĸеʸֺ̼֡֡20CrMnTi42CrMoΪֲľȴ𣩺ӲȻHRC60ңڶ˸ӲȳֽлӹУѡܡԽԵҪ

ijּӹһ㶼Ļӹõ߿ɱ֤ƷͱʣijҪӹIJλҪжڿףҳӹλͿ׻ۣӶγɶӹʹӹѶٴԴѡʲôߺأ𰸵ȻCBNߣͿCBNƬ

 

־ڿ׵-ͿCBNƬ

CBNߴӦҲȽ˽ˣCBNȫΪCubic Boron NitrideijΪɫһΪɫǼ˹ϳɽʯ֮һ˹ϳɵijӲϣҪںɫӹCBN߼ӹһ

ⳬӲCBN۾CBNƬǶʽCBNƬ͸ʽCBNƬԲͬӹѡͬṹCBNƬдij־ڿףҪԸʽCBNƬΪͿCBNƬ

ΪҵҪ߾ȡߴֲڶȣͬʱЧʡɱҲмߵҪ˻Ƴ溸CBNƬ˫溸CBNƬͿ˫浥/˫溸CBNƬʽûѡ

ʮͿ㼼ӹеӦԽԽ㷺ĵͿԸƵߵǿȡԡӲȼĥܵȣȶ߲ϵĻѧܣӹĦϵЧ뵶ߣߵߵܣѾΪȽӹķչƣԸٸ֡ӲʺϽ𵶾Ϊ壬ͿԽĽǽͿ㣬ִķչĿǰͿѾ㷺ӦCBN棬ʹӲȸߣĥԸãԸ졣

 

־ڿ׵ͿCBNƬʼͿ

ݳڿסǷΪӹеȶӹǿӹּӹӹDZûûмۡͿ׵ȣ棬BN-H05ʣɸͬʱRa0.4ڵĴֲڶҪеȶӹѡBN-H10ʣżиСۣСͿ׵IJֱǿӹǶԵҪߵģҪӲȸĥԣҪмߵĿԣֱֹ߳󣬴ѡBN-H21ʣ졣

ֲʻɽͿ㹤գʹ䵶ܵõõĿǰͿƼңֱC25C65C75ִͬͿɫͬʱͿҲC25ͿdzɫһеIJܣʺӹ-еȶӹC65ͿǽɫʺϳټӹӹӳC75ͿǻҺɫʺе״̬ǿǿӹĹ

ڿжͿףʱѡBN-H21BN-H21 C75ʽмӹֶ棬ѡBN-H05BN-H05 C65ֶСۻһС׵ĻѡBN-H10BN-H10 C25ȻҲǾԵϣ⵶߹ʦݿͻֳͿϵĵͻ

 

ͿCBNƬڿֳ

ƣ

ʣ20CrMnTi

ӲȣHRC58-62

ӹλڿףеȶ

ֲڶҪ󣺶Ra1.6ڿRa0.6ӹ

߲ʣBN-H05 C65  CNGA120404

Vc=166ap=0.05Fr=0.065

ʽʽ

ijƷͿCBNƬBN-H10 C65ͿCBNƬ1.5