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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Thanks in advance for the input
Here it goes: 1. Are flux coated steel arc welding electrodes no good for oxyacet welding?. I tried a few I got with poor results. The electrode does not add easily to the puddle and in fact it often sticks to the base metal. Of course it could be my nil experience in welding, but I'm intriged. 2. I bought some no name cheapie goggles. The lenses are plastic with a greenbluish hue, supposedly compliant with ANSI Z87.1. These cut effectively the flames's bright, but I found i could not see well the workpieces. I went out and got new goggles, brand name, these have a pane of thick green glass, clearly marked shade 5 and ANSI, DIN and ISO compliant, rated for arc welding. With these, noticeably clearer, I can see much better the work, the puddle, the flame structure is visible and now I even can see the regulators' gauges!. However, there is more light from the flame coming through, on occasions slightly dazzling, sp. when lighting the torch. I have noticed no eye discomfort or pain so far, but I weld/cut for just about 1 hr every other day. Do I need to be concerned about my eyes? 3. What does it mean "do not wear contact lenses when welding"? I use contacts and of course I slip the goggles on when welding. The lenses still have not fused to my eyeballs. What is the deal with this warning? 4. Suppose I cut steel pieces with torch. If I want to weld/braze them along the cutting lines, do the cut pieces need to receive some treatment prior to the welding? Happy New Year everybody, BTW Mongke |
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