Derui SA Series Installation-Free Pneumatic Expansion Chuck-DGDR Precision | Pneumatic & Hydraulic Chuck, Rotary Spindle, Workholding Solutions-Chuck, collet, pneumatic rotary chucks, pneumatic rotary collets, front-mounted pneumatic collets, internal expanding collets, internal expanding sleeve hydraulic chucks

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Pneumatic Internal Expansion Chuck

Product characteristics

Installation-Free Rotary Hydraulic / Pneumatic Cylinders Clamping Range: 6–178 mm

(Customizable with large through-holes up to 500 mm) Body Accuracy: 0.005 mm

(Customizable to 0.002 mm)Clamping Repeatability Selectable range of 0.015–0.002 mm

Operating Pressure: 3–8 kg/cm²; Dustproof and Waterproof Applications: CNC Machining

Centers (4-axis and 5-axis), Precision Grinders,Precision CNC

Lathes, and other specialized automated machinery

Product advantages

Eliminating the need for separate rotary cylinders, this chuck offers a wide clamping range of 6–178 mm (customizable up to 500 mm). It boasts exceptional body accuracy (0.005 mm, customizable to 0.002 mm) and clamping repeatability (0.015–0.02 mm). With an operating pressure of 3–8 kg/cm² and IP-rated dustproof/waterproof construction, it is ideal for use in CNC machining centers (4/5-axis), precision grinders, and specialized automated machinery.

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