I have some 40A tips that I bought for 10 ga, but haven't used them yet. Hypertherm recommends the 60A tip for 3/16". The 3/16" (7ga) I have cut so far worked pretty well with the 60A tips at about 142-145THC, .056 offset, and around 90-100ipm. Lots of slag on curvy parts, hardly any on straight cuts, but a twisted wire wheel takes it right off.
I have not used the Dynatorch as much as would have liked so far - remember I eat consumables very quickly. Will probably order the Eaton refrigerated air dryer that kcir recommended, and hopefully will increase my consumable life. I am ready to start making my own production parts, as purchased plasma parts supply is getting low now. Also plan to make some artsy patterns out of 14ga with the fine cuts, if I can make them last more than 10 minutes.
I think the idea of having points on the slats is good - I have some problems when a straight line falls right on a slat. I made a scraper about a foot wide with a long handle, and knock off slag before starting a new sheet. On small parts, I could see the points as being a problem.
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Ric - Boss Frog |