ģֳݸ߰ȱԭ
ժ Ҫ:50CrMoA ijģֵĹ,Ӧȴ,ڳݸ淢 ú۹۲ѧɷַͽȷԸóֳݸ̲߰ԭ˷ :óָӦȴóʹ,Ӧƫ, ݲ϶С,³ֱ۲ֲ;ͬʱ,ֱеĴҲջ, ջĴ̼Ԫ˱ڲλ,ȴڳֳݸγɾֲ̼Ĺ ֯,۱Ϊ߰״ȱ
ؼ:ģ;߰;Ӧ;;֯
ͼ:TG115.2 ױ־:B ±:1001-4012(2022)09-0049-03
ģֳڿɽʯ꾮ƽ̨ ֳ豸شװ,Ҫĥ ӴƣܺͿƣܶѧ ߶ڳʧЧģʽԭ˶о, װƫֳݼӹȱ ݵijֶĥ[1-6],ȴ ԭ³ʧЧо
50CrMoA ģ, Ϊ:Բ→켰뻷→→еӹ→Ӧȴ(ʹ)→ĥ ĥijֽĥ˳ʱ, вֳݸԵ߰Ϊ ֳݸ̲߰ԭ,߶Դȱ ݵijֽһϵ
1
1.1 ۹۲
ʧЧ̵ֱ߰ĺòͼ1ʾ, ߰λڳݿвijݸ,߰״ ,С״,䳤ԼΪ7mm
1.2 ѧɷַ
Ӵȱݵijȡ,ֱǶлѧɷַ,1ʾɱ1 ֪,óֵĻѧɷַ GB/T3077—2016 ṹ֡50CrMoA ֵҪ
1.3
ڳݸ̴߰ȡ,ĥ ʴùѧй۲,ݸ̴߰ ֯òͼ2ʾͼ2֪:ݸ ̴߰֯֯ɫһ, ȵԲ״,ð̴߰֯Ϊ +ִһ̼,ڲνӴĹ ֯Ϊִ+,ڹɲ ĸӦ֯(ػ)ݸ IJ֯òͼ3ʾ,ɼ ֯Ϊػ,IJ֯Ϊ++
2 ۺϷ
֪:ݸԲҰɫ̵߰Ľ ̬ΪԲ,ǵͼ̬; ̱֯Ϊ+ִһ̼, ;Ϊִ+; ɲĸӦ֯(ػ),˵ óڸӦʱ˾ֲ
˻ǸӦвһ ȱ,Ҫɳ״Ӧ״͵Ƶ ʸߵԼӦ빤ļ϶Ĺ ɵ[7-9],ڼԲԲıԵ ֻ̼֯()С4.3% г,50CrMoA Ϊ̼Ͻ,ʹ ־ֲ,Ҳڹ ֯,˿ж,̵߰IJóֵij ʹй
Ӧ[10-12]յΪ: װ豸,ӦӦֵij ,ͨ,Գֵݹı (ͼ4);Ȼ½,е ʹִ,ȴתһǶ,ʹ һݹӦ,һݹĸӦȴ ;ԳسݹݹӦ ,һֵĸӦȴӦ ֳθ֮ļ϶ֱӰ˳ ȴӲĺȺ״,ݲ϶,ʹӦ ļЧʱ,³ֵļЧϲ,Ӳ dz,ַǴӲ();ݲ϶С, ӦļЧڸλһ,¾ֲ ʹ,γɸ,ֹջ
ɳӦ֪̿:ݹ ıڼʱ,ݹһ͵, ʱͻᱻջӦ ƫ,ɳݲ϶Сʱ,ӦȺ ɾֲ,ֹջڿһͬ,ջ̼ Ԫڲλ,ȴڳֳݸ ɾֲ ̼ ֯, Ϊ ״ ȱ
3 ۼ
óָӦȴ˳Ӧ ,Ӧƫ,ɳݲ ϶С,³ֱ,ֲ; ¹,ֱеĴһ ͬջ,̼Ԫ, ڲλ,ȴڳֳݸγɾֲ̼Ĺ ֯,۱Ϊ߰״ȱ
ѡʵijּӹʽӹ, ͳֳεļӹƫ,Իþȵij, ֤õȴ
ο:
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