Effects
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Torch Position
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Variations-
Metal
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2 WIRE ELECTRODE EXTENSION Wire extension or ”stick-out” is the distance between the last point of electrical contact, usually the end of the contact tip, and the end of the wire electrode. Figure 7-2 schematically shows wire extension. It is in this area that PR preheating effect occurs. Figure 7- 1 – Burn-Off Characteristics Figure 7-2 - Tip-To-Work Distance Continued on next page...