Expansion Mandrels TRIZ Cases
- Expandable Jam Chuck With Nested Inserts for Variable Workpiece Grip
Nested interlocking jam chuck inserts create frictional grip for different woodturning workpiece sizes without swapping multiple custom chucks.
- Auxiliary Spindle Unit for Small Grinding Worm Synchronization
An auxiliary spindle with a fixed counter bearing and mandrel improves rigidity, synchronization, and tool exchange for small grinding worms.
- Quick-Change Collet Clamping Assembly for Precise Concentricity
An expansion sleeve and draw pin speed collet change-out while improving alignment, concentricity, and run-out control.
- Synchronous Clamping Head for Wide-Range Jaw Force Adjustment
A synchronously driven central gear lets clamping jaws hold varying diameters with adjustable force while preserving stable clamping position.