Products KP-400 Express locking chuck, the main clamp the workpiece diameter 80mm-380mm round, with extended claws can grip 10mm-500mm, welding chuck is a mechanical device used to clamp the workpiece on the machine. Use are radially movable jaw cloth on the chuck body moves, the workpiece clamping and positioning of machine tool accessories. Chuck chuck generally consists of three parts of the body, activity claws and claw drive mechanism. Chuck a minimum of 65 mm diameter, up to 1500 mm, the central through-hole, so that through the work piece or bar; back with a short cylindrical or conical structure, either directly or through a flange coupled to the ends of the spindle . Chuck usually mounted on the lathe, cylindrical grinder and grinder inside, also can cooperate with a variety of indexing device, used for milling and drilling. Our company supply all kinds of welding chuck, can supply large quantities of low-cost card plate, with high accuracy, the overall structure of sophisticated features. Flexible operation, no distortion, does not appear stuck phenomenon. KD series chuck which facilitate installation, with quick clamping function. KD-600 complex chuck with wide clamping range, strong bearing capacity, flexible adjustment of performance. KD-600 chuck hole diameter, suitable for large diameter pipe clamp, comprising clamping force, high carrying capacity characteristics. My company offers a variety of chuck can be connected by installing the long arm, holding large-scale increase range to meet the different needs of customers. Welding chuck connection Specifications D1 D2 D3 D4 H H1 H2 L Z-d1 Zd KP-200A 65 82 100 200 67.5 39 21 180 6-M6 3-M8 × 35 KP-200 80 100 120 200 67.5 39 21 200 6- M6 3-M8 × 35 KP-300 100 120 150 300 67.5 39 21 240 6-M6 3-M8 × 30 KP-400 170 220 250 400 95 45 25 300 6-M6 3-M10 × 40 KP-500 240 280 320 500 110 60 25 350 6-M6 3-M12 × 55 KP-600 365 400 425 600 170 105 40 425 6-M12 6-M12 × 110 KP-750 515 542.5 570 750 170 105 40 500 6-M12 6-M12 × 110 Performance Specifications allowable bearing capacity of positive jaw clamping force range A gripping jaws clamping range anti-B extended clamping range KP-200A 200kg 30kg 0110--210 010--130 05-300 KP-200 200kg 30kg 0110- -210 020--130 05-300 KP-300 250kg 120kg 0170--280 080--190 010-400 KP-400 350kg 240kg 0250--380 0120--250 020-500 KP-500 800kg 600kg 0360--500 0200--340 040-600 KP-600 1200kg 1000kg 0400--620 0150--410 040-1500 chuck positioner with an advantage, clamping rapidly, improve work efficiency. 2, reduce labor intensity, enhance corporate image. 3, the structure of innovation, ease of installation. 4, affordable, meet low-end users. 5, high clamping accuracy, long service life. 6, security, and reliability.