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λ:֣ݻⳬӲ޹˾. : ҵϢ . ʱ:2021/4/12. : 347 .

ΪҪ㲿Ϊ˸õʹҪ󣬳ͨᾭȴգ㲿ʹܡȴijӲȽϸߣһHRC50ϣ20CrMnTi42CrMoȴӲHRC58-62֮䣬ʱѡӲΪҪ

CBNĿǰӲֵӲֵѡijʵԳĥӲںɫӹ˾޴Ӱ졣CBN߱ӲȽڽʯԶڸٸ֡ӲʺϽմɵߣŻеҵϵЧʣͳɱҪΪ˸õ˳ӦʱķչƳµͿPCBNϵУ˫渴ʽCBNͿ㣩ЩƬΪʹ֡еȴӲ㲿ӲʱøЧʶзġCNGAϵУDNGAϵУWNGAϵУVNGAϵУTNGAϵеȾɽͿ㡣

 

 PCBNͿ㵶ߴʹʹӳ40%ȽͿ㼼뵶ƬĽϣʱ䡢ЧʡЧĻеӹշȷشͻơ

PCBNͿ㵶ҪBN-H05BN-H10BN-H21Ϊף֮ٽͿ㣬ӶʹЧʵõߡBN-H05BN-H10BN-H21ֲʷֱеȶǿͬʱзͿʣֱC25C65C75ִͬͬͿɫͬʱͿҲC25ͿdzɫһеIJܣʺӹ-еȶӹC65ͿǽɫʺϳټӹӹӳC75ͿǻҺɫʺе״̬ǿǿӹĹ

 

ڿͿΪC65ҪΪͻӳԵBN-H05 C65ͿPCBNߣͬʱҲʵϽͿ㣬ͿǿȸߣԺãӲHRC58-62ʱٶȿɸߴ100-300m/minֲڶȴﵽRa0.2δͿPCBN40%

 Ϊ˸õеȶǿʱĵЧзC25C75Ϳ㣬C25ͿdzɫӲȺԣĥԺͿԽϾ⣬ʺеȶC75ͿǻҺɫܳܿԣԺãʺǿ

ͿCBNߣӲܸõ𵽶ԵߵĻѧϡϺͻеãʹߵۺַܳӣ߼ӹЧʣӳߵʹ

 

ǻCBNͿ㵶BN-H05 C65ӲֵİԲοһ¡

ƣdz

ʣ20CrMnTi

ӲȣHRC58-62

ӹλ棬ڿףеȶ

ֲڶҪ󣺶Ra1.6ڿRa0.6ӹ

߲ʣBN-H05 C65  CNGA120404

Vc=166ap=0.05Fr=0.065

ʽʽ

Ʒ

ijƷͿPCBNƬ

BN-H10 C65Ϳ㵶Ƭ

/У

20

50

ԭ

ĥ

BN-H10 C65ͿPCBNijƷͿPCBNߣ1.5