| 摘要 |
Apparatus is provided for welding parts to workpieces at a high rate in the order of 250-300 parts per minute. The apparatus includes an arrangement for supplying the parts to the chuck of the welding tool and a mechanical arrangement for co-ordinating the operation of the tool and the part supply. The entire operation of the tool is controlled mechanically including mechanical means for timing the pilot ad welding arcs of the welding cycle.
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