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Jintong Hanlv Zhutieping Moganggai
Jintong Hanlv Zhutieping Moganggai
金通焊铝铸铁平磨缸盖
Building Materials ·
Dongying, Dongying, Shandong
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HOURS
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DIANPING
(2)
3.6
Ratings & Reviews
铸铁是大多数焊接师傅比较头疼的事情,因为铸铁基本上没有延展性,在焊接的过程中很容易出现裂纹。焊接裂纹时,焊接前要预热,焊接过程中要进行敲击处理,焊接后要进行保温处理,即使是这样,也很容易出现裂纹,使得很多师傅对铸铁的焊接束手无策。 铸铁通常情况下是不允许补焊的,如果仅仅是外观的小缺陷,无受力要求,可用Z308焊条,手工电弧焊完成,但是每焊完一处,要用榔头不停的敲击,以去除残余应力,防止产生裂纹。如果缺陷较大,可以用氧乙炔气焊,焊接材料为与铸件同等材料的铸铁棒,用硼砂做焊剂,但要求焊前要预热,预热温度较高,一般要求850-900度,焊后需热处理,工艺比较繁琐。如果是关键受力部位,是不允许补焊的。建议找专业焊接进行焊接。
我去焊磨的缸盖,修得很好,价格便宜。我很满意
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Details
Hours
Every Day
6:30
AM
-
10:00
PM
Open
Phone
+86 135 1866 8349
Address
Heze Road No.623, Dongying
Dongying
Shandong China
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Dianping