淬火机有什么优点?

2025-03-27 14:22:14
推荐回答(2个)
回答1:

表面熔覆技术是一种冶金结合技术,在基体表面预先涂覆(或粘结)一层金属合金材料,然后用加热熔覆方法使粉末熔融,形成牢固结合,具有明显的优点:
1、可以进行局部淬火。
2、便于实现机械化和自动化。
3、不污染环境,一百平方面积就生产;
4、速度快,加热时间短,变形小,淬火效果好,无氧化现象和脱碳现象。
5、加热速度快、效率高、涂层与基体结合力、硬度均达到新缸标准,没有夹渣,无气孔;

回答2:

盐浴炉分为外热式和内热式,现以内热式盐浴炉淬火:热效率高,没有热惰性,加热速度快,加热均匀,操作方便,可防止氧化脱碳,炉温可升至1300度.适用于钢的淬火和回火加热及液体化学热处理,特别是适用于高温淬火加热. 活塞销(包括汽车)是连接活塞和连杆的,在运动时,相当于双点支梁,承受非对称交变负荷和一定的冲击负荷,其表面长期在摩檫条件下工作,要具有足够的强度,韧性,耐摩性以及疲劳极限.通常不论是以棒料,热轧管,泠拔管形式制作的活塞销,都是采用机加工,渗碳,淬火,回火,精加工后成为成品的.所以说盐浴淬火不能带替渗碳淬火,但是盐浴炉是可以进行渗碳工艺的.盐浴淬火后是定要进行回火处理的!

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