氩弧焊焊灰生铁怎样焊

2025-03-15 08:51:10
推荐回答(2个)
回答1:

氩弧焊焊接灰口生铁一般是修复一些铸造的针眼气孔,或者小尺寸磨损,若是大面积的堆焊或者断裂裂纹修复则最理想的是手工电弧焊,如果选用氩弧的时候用高抗裂并且可加工的WEWELDING777TIG氩弧焊丝,如果是用电焊的话,用高抗裂的WEWELDING777铸铁焊条。
WEWELDING777特种铸铁焊条的特性
WEWELDING777具有特殊药皮作用,焊接过程中能够产生类似脉冲的柔和的电弧,对各类铸铁母材的热影响非常小,特殊的脉冲电弧能够清除各类铸铁表面的杂质,甚至对于油污和长期油浸的铸铁件的焊接也具有很好的渗透性而不会产生气孔或者夹杂,而热影响区硬度不会变得非常高,利用冷焊工艺焊接的成型焊缝具有非常优秀的抗裂性,能够应对各种恶劣的母材环境。

WEWELDING777特种铸铁焊条的应用
适合全方位冷焊工艺焊接,可以焊接几乎所有的铸铁母材 ,并且很容易实现铸铁与碳钢的异种焊接,解决如基体断裂、裂纹、磨损、补洞的缺陷,焊接后完全可以进行机械加工,很多场合应用在引擎壳体、汽缸盖、机器基座、铸造齿轮的轮齿等各类铸铁件。

回答2:

用铸铁焊条,电焊焊接是可以的,焊条焊铸件前需要预热,焊接结束要保温等它慢慢冷却。氩弧焊无法焊接铸铁的。
氩弧焊技术是在普通电弧焊的原理的基础上,利用氩气对金属焊材的保护,通过高电流使焊材在被焊基材上融化成液态形成熔池,使被焊金属和焊材达到冶金结合的一种焊接技术,由于在高温熔融焊接中不断送上氩气,使焊材不能和空气中的氧气接触,从而防止了焊材的氧化,因此可以焊接不锈钢、铁类五金金属。

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