Numerically controlled spot welding machine built by National Electric Welding Machines Co is used by American Metal Products Co. Detroit for making auto seat frames; 100 kva welder averages 30 welds/min, with 4 in. travel between each one; production rate is 25 pieces/hr, which is same as in former manual operation but only one operator is required.
Installation contradicts common notions about NC
Steel
Steel ; 158 , n 23
1966
2 pages
Article (Journal)
English
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