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机加工齿轮和粉末冶金齿轮哪一个工艺比拟好？


 

宣布日期：[2023/10/26]
 

一、粉末冶金齿轮的长处：
1、本钱低，出产效力高、一次成型，成型后不须要再加工轮齿。
2、由于粉末冶金的加工特征，能够做成含油的整机，构成免光滑整机，但结果仍是比油浴光滑差一些，属于边境光滑状况。
3、齿轮成型进程中不废物，对钢铁资本的操纵是最好的
二、粉末冶金的齿轮错误谬误：
1、由于粉末冶金是让金属粉末在低温下构成的再结晶进程，不颠末轧制进程，不构成金属纤维流，是一种无取向机器机能，是以，轮齿的抗弯、抗剪强度都不如传统机器加工的齿轮
2、仍是由于1的缘由，粉末冶金齿轮的轮齿打仗强度也较低，是以不能通报大扭矩
3、固然能够做成含油状况的轮齿，但油润有用时限比拟短，要想保障普通利用，仍是要斟酌外加光滑，油浴光滑是最好。
4、粉末冶金齿轮的精度比拟低，由于在低温烧结成型的进程中是不方法节制的，就想烧砖一样，砖坯烧成砖事实是甚么样，其切确尺寸都是不可控的，是以，传动安稳性较差
5、由4的缘由，轮齿的外表粗拙度也是比拟大的，会在传动中发生乐音。
综上所述，在一些不主要的机构中能够斟酌用粉末冶金齿轮，如玩具等，紧密传动、大扭矩传动等仍是要首选机器加工的齿轮
粉末冶金制作的齿轮切确度不是很高，普通在10丝摆布，不合适做紧密传动。

关头字：粉末冶金齿轮 铁基粉末冶金齿轮 金属粉末冶金 不锈钢粉末冶金齿轮 齿轮加工 紧密齿轮 双联齿轮 广东粉末冶金 深圳粉末冶金




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