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This machine is specially used for circular seam welding of many kinds of precision ring of valve. The spindle rotation is driven by servo motor, with high precision and reliable running. And clamping device adopts pneumatic chuck and up & down mandrel positioning to ensure the non-deformation in the welding process. Welding power adopts imported argon tungsten-arc welding TIG.
Precision circular seam welding machine model NZW1-160J
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