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EPG The output subassembly, which includes the worm gear and bearing cups and EPG s, loads onto a separate station for two simultaneous measurements. The machine applies a predetermined load to opposing bearing cups and measures the total stack height. At the same time, a master worm engages and oscillates the output worm gear to find the exact center of curvature for the gear teeth. The machine then measures the distance between this centerline and the rear-bearing cup. China worm and worm gear ratio was China worm gear for nema 17 awarded with “famous product of ZHangZhoug Province” and “famous brand of ZHangZhoug Province”.

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