Precision rotary expansion chuck

Product Features: 1. Mechanical chuck without complex and expensive plumbing and pneumatic systems, chuck life without lubrication, low maintenance costs; 2. Zhixin larger contact area, not bursting Zhixin, cost savings; 3 . less wear and tear parts, chuck and long service life; no dust 4. work, no pollution; 5. cam mechanism, to prevent the expanded spline happen "stuck" phenomenon, the expanded spline not work recover, while affecting the efficiency; 6. domestic Zhixin actual situation and the development of torque chuck, with a working stroke, easy to wear Zhixin and other characteristics; 7. quick change chuck, to suit the needs of different conditions, Common replace the paper roll diameter 3 inches, 6 inches and 12 inches, and other specifications; 8. improving paper efficiency, reduce production costs