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λ:֣ݻⳬӲϽ. : ҵϢ . ʱ:2020/8/28. : 173 .

ŸҵķٷչΪ߸ֲĵIJʣʺЧʣͣӲʺϽӦ˶㷺ڸ߲ĵƣӲȼߣѼӹڱ֤Ʒǰ£Чʺͽɱҵһֱ˼⡣Ľؽһѡ񵶾߲ϼӹӲʺϽ

һӲʺϽڸҵеӦ

ӲʺϽĿǿȿɴ2200 MPa ϣԿɴ46106 J/m2ӲHRA7890HRA90ʵȫܣܶȴڻ99%еĥԣʴԺ͸ѧܵȣ㷺ڸҵ

ӲʺϽṹʽɷΪӲʺϽ͸ӲʺϽ֡ӲʺϽѹ㷺Ӧڸ߲Ԥ;ܵȡӲʺϽӲʺϽϸ϶ɣֿɷΪӲʺϽ𸴺ϹӲʺϽ𸴺ӲʺϽ𸴺ϹװڹϣӲʺϽ𸴺ӲʺϽֱڹγһ壬ӦƸɽϴϡ

ӲʺϽ𸴺ϹԼͨ10-20ÿĥ1/2-1/3ˣ봫ͳȣӲʺϽ𸴺ϹΪͨ20-40

ӲʺϽ𸴺ϹӦ÷Χdz㷺߲ġġܲļСͲģ緽֣Ǹ֣֣ǸֵȵӦһܵ߶ܵõЧ

ӲʺϽڸ߲ƹУ䵥۹ԶӲٸ

 

ӲʺϽļӹ

ӲʺϽȻʣӲȼߣѼӹҪʹӲʺϽӹ㷺ӦڸҵҪӲʺϽӹ⡣

ڲĥնӲʺϽмӹĥЧ̫ͣӰЧʣ֮ŵ߲ϵIJϸ£ΪӲ߹ߵĻⳬӲʵͷ飬ƳԳĥĵ߲ʣóĥ򣬴Чʲɱ

ӲʺϽУӲȱڱӹӲȣĿǰӹӲʺϽĵ߲ҪԸӲȸȷǽճϼͽʯΪӲʺϽⳬӲзdzḻʵս飬ṩ׵ӲʺϽӹߺĥ

 

ӲʺϽӹʽ䵶ߵѡɣ

1ӲȣӲСHRA90ӲʺϽѡHLCBNʻBNK30ʵ߽дⳬӲ۾𵶾CBN΢սɵĿ״ϣûкϽĵףڲ÷ǽΪճϼºӲ죬ӲʺϽ߲ѡˡӲʺϽӲȴHRA90ʱѾ𵶾ߵĿɼӹΧһѡCDW025ʽʯ߻֬ϼʯɰֽĥһӲԽߣԽ࣬ӲʺϽʱгԵȱ¹ϣԶڸӲȲȽϽҪôǰǼӹҪô׼ȷԤĥԹܡ

2ӹͼӹʽǼӹR3ϵIJۣʱһHLCBNʻBNK30ʴּӹȻɰĥ֬ϼʯɰĥԲƽ棬Ϳ۵ȳĥһõƻϼʯɰ֣ڼӹСģҪôɰֱĥҲɲýʯ߽зμӹ絹ǹв۵ȳ͹ѡƽʯߣһĥ߼ӹЧʣʽӲʺϽм׻գΪɰֶҪڻҪģߣ͵߷DZ궨ȽϿ죬Բʽڡ

3ۿ߼ӹʱCDW025ʯϳֳΪɵϳ

4ƺĥϷʽʺӲʺϽʱοҲֳĥӲʺϽʹá

עѡHLCBNʻBNK30ʵʱһǶ0.3mmмӹ˲ʵһ0.8mmڣÿת0.25-1.0mmĴиЧʼӹʱøʽɼҺӲʺϽСģ߼ӹС0.3mmģһѡBN-H10ʵ߽и

 

ġӹӲʺϽʱע

1ѡ

ӹӲʺϽʱٶVc35m/minԵap0.8mmFr=0.25-1mm/rݵ״ͼӹֲڶѡ񣬾ȡֵýʯ߼ӹԵȣapֵСһ㡣У

CDW025ʯ߷γۼӹʱFrֵ0.1-0.2mm/r0.05-0.1mm/rɼҺ

2пڴ

ڼӹӲʺϽʱܻԵ߽жۻνĶۻΪ˽ĥĵп΢ȱڵȱݣʹֵٻﵽԲƽȷõĿġۻ̫Ϊۻ󵶾пڽӴҲ֮ӲʺϽӲϣɱ飬˹

ͬʱпҲ̫̫ή͵ߵʹⳬӲڵпڵIJѡдľ飬ɰͻѡʵĵпڲ

塢ⳬӲ𵶾߼ӹӲʺϽİ

 

ƣֱ230mm

ӹλԲ

ӲȣHRC84.5-85

߲ʣHLCBN RNMN120400

Vc=25m/minap=0.6mmFr=1.02mm/r

ӹʽʽ

ӹЧ±

 

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