A Hydraulic Expanding Stationary Collet Chuck is a non-rotating, hydraulically actuated internal workholding solution that grips components from the inside diameter using an expanding collet. Its dead-length design ensures zero axial movement, providing excellent concentricity and distortion-free clamping, making it ideal for thin-wall parts, precision bores, CNC stationary operations, SPMs, transfer lines, and automated systems requiring high rigidity and repeatability.
Hydraulic Expanding Stationary Collet Chuck is a non-rotating, hydraulically actuated internal clamping solution designed to grip components from the inside diameter (ID) using an expanding collet.
Its dead-length design ensures zero axial movement during clamping, delivering excellent concentricity and distortion-free holding—ideal for thin-wall parts and precision bores.
Built for high and consistent clamping force, this chuck is widely used in CNC stationary operations, SPMs, transfer lines, and automated cells where rigidity and repeatability are critical.
🔑 Key Features
📐 Dimension & Mounting Reference
Dimension Legend:
A – Chuck OD | B – Mounting face | C – ID clamping range | D – Front thickness | E – Body length | F – Expansion stroke | G – Pilot | H – Overall length | I – PCD | J – Bolt size
⚙️ Operating Parameters
🏭 Applications
⭐ Why Choose a Hydraulic Expanding Stationary Collet Chuck?
✔ Internal grip without OD deformation
✔ Zero axial movement for consistent length control
✔ Higher rigidity & grip than pneumatic systems
✔ Excellent concentricity & surface finish
✔ Ideal for automation & mass production
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A Hydraulic Stationary Collet Chuck is a non-rotating, hydraulically actuated workholding system that delivers very high and consistent clamping force with dead-length accuracy, ensuring no axial movement during clamping. Its stationary design provides maximum rigidity, safety, and repeatability, making it ideal for CNC stationary operations, SPMs, transfer lines, and automated production cells.