你好。
你的英文，我还是猜着看的，大致懂了。。。per (as per)。。。
你既然是TIG焊，肯定用焊材了，你第三点without filler metals是什么意思？
你的网格线是什么规格？
如果用的焊材，是什么规格？尽量选择细丝ER308L，如0.8mm、0.9mm、1.0mm的。
是不是每个节点都有焊？有强度要求么？ - 如果这样，可以考虑钎焊 brazing
From: Devin
Sent: Wednesday, May 09, 2012 11:05 PM
Subject: [MW:14228] How to tack weld the screen to frame successfully
Dear Experts,
We are preparing to tack weld weir screen to frame per design specification. And We find that,Once welder start the arc using the GTAW(TIG) and move it near to the joint between the screen wire and the frame, the wires fuse instantly and break ,even we adopt the minimum current .
1.Wire Diameter：1.2mm
2.Material: 304L stainless
3.Process: GTAW without filler metal.
Any suggestion or comments will be grateful.
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