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 һֽڵص㣺

1.ۡǿɶȴ
2.״ӡ֧
3.
4.Բ
ֽڵṹʽ
1.ֽڵ㣺֧ᡣ
2.½ֽڵ㣺ڸ˼˲֧
3.ֽڵ㣺ֽڵϡ
4.ֽڵ㣺
5.ֽڵȡ
 
ֽڵ
ֽڵͺӵص㡣
1.ƣҪּʱĸˮԡںԣֹȱݺʹִ֯2.Ҫȷ·ߡ״̬СANSYSMIDASԪάʵģͣʩغɣֽڵڵıκӦֲ״ҳطӦе㣬ڵصİȫԻԽڵͼںƼԸĽơҪʱּѧ鲢ۼԱȣ֤ڵҪ
ġֽṹּ
ҪͺϽ֣ñ׼йGB7659ƺZG20SiMnȣձJIS G5102 ƺSCW480ȣ¹DIN17182׼ϸCԪؼSPкԪص׼ͣӶʹּиõԡԺͺܡ
ּDIN17182ּƺΪGS-20Mn5N,ѧɷ֣%C0.17-0.23,Si≤0.60Mn1.0-1.5,P≤0.02,S≤0.015Cr≤0.30Mo≤0.15Ni≤0.40
DIN17182GS20Mn5NҽһCPĺΪֲʣC0.15-0.18,Si≤0.55Mn1.0-1.3,P≤0.0015,S≤0.015Cr≤0.30Mo≤0.15Ni≤0.40
 
Ϊȷõĺܣӵʺѧ(IIW)ƼʽCeq=C+Mn/6+(Cr+Mo+V)/5+Ni+Cu)%
ȷӦCeq≤0.42%
GS-20Mn5NѧΪ
ǿ≥260-300MPa(ں)ǿ500-650MPa≥22%Vȱڳ≥50J
塢ּҪ
1.ѧɷּѧӦϱ׼涨
2.죺ֵұ칤ɹͽȴҪɰ׼ͰͬĹ涨У״ߴӦͼͬĹ涨
3.
    Ӧɾɱߡë̡ճɰƤ账ֲڶRa≤50΢ףƺͳסɡסɰ԰ӵȱݣּӦ״ͻ䣬Ӧƽӹȡ
    ڲӰʹܵơɡȱݴڣ̽˰GB7233Уּܣˣ150mmڼ100%⣬ȼΪIIಿλ10%20%⣬ȼΪIIIRλȱݲλôŷ̽˻ɫ̽˼⣬GB9444GB9443УȼΪIIIII
    ߴƫγߴӦͼҪ󣬳ߴƫӦGB6414׼CT12Ҫ󣬻ӹλGBT1800.4׼IT12ִС
ҪDZ֤ܣˣڿռλõijߴ磬ϸƸܣˣڵƫơŤתͱΡ
׵״ߴͬĶҲӦϸơ
    ͿװͿװǰӦ账GB8923Ĺ涨ȼ2.5ͿװGB11373Ĺ涨УøпĤȷͼGB50205Ĺ涨ɫĤӦͼҪ
1.쳧鲿ŽУ죬顣
2.ͬһƺţͬһ¯ţͬ¯ȴΪһ
3.ȡÿ¯ȡһѧ
        ÿȡһΪһԿ飬3-4Կ飨һ顢һ鸴顢һ鹩һ鱸ãԿӦ¯
4.͸飺ѧƺֻѧɷֵĹ涨ʱΪϸ
ѧܼƺֵѧܹ涨ΪϸʱһֵӦϸ񣻳ʽƽֵӦϸһֵõڹ涨ֵ70%Բϸ鸴飺츴飬ӦͬԿȡÿӦϸ񡣳鸴飬ӦͬԿȡӦϹ涨ҰμڹƽֵӦϹ涨
ѧܼ͸鲻ϸʱԸԿȴȻ¼飬ȴóΡ
.ּĺ
1.ּɺ޲ɹȷǰкҺϸ񣻺λúͷΧɼⵥλ֤м¼Ӧɼⵥλ֤м¼Ӧּͬһ׼м顣ͬһλóΣش󺸲лػȴ
    ش󺸲ָ޺γϴİȱݡȽϳȱݻᴩƼӦвλȱݵĺȡ
   1.ִּ̬֯ѧܲ밴ƻ淶ȴȴʽ˻ӻػ͵ơ
   2.ּͨػʽԿӦͬ¯ȴ¯ԿӦƱܡ
   3.ش󺸲ּӦлػӦȴػ¶ӦػʱĻػ¶ȡ
   4.ȴ¯ӦЧƣȴ¼
.־ͳ֤
   1.ӦͼŻűǣͬʱӦļ㡢ķֵ㡢ߵȶλǡӹӦñ
   2.֤ļơƷϸ֤⣬Ӧ¯šż¼ѧɷַѧܼⱨ桢ȴ¼̽˱桢ŷۻ̽˱桢ͼγߴ¼ͼȡ
   3.Կ
 
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