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Hydraulic expansion mandrel


oil circuit location
workpiece
push position
drive screw
drive clamp
Expansion area
Quick clamping, high torque transmission, stable transmission and long life, simple operation, high precision, up to 0.003mm or less deflection
Hobbing Clamping

1. Accuracy performance < = 0.003 mm, can be lower if special requirements
2. Applicable to all kinds of clamping
3. Available with bushings
4. Can be fine-tuned by screw for more precise expansion range
5. The drive design can be completed from the top or the bottom according to customer needs
gear grinding

1. Accuracy performance < = 0.003 mm, can be lower if special requirements
2. Manual or tailstock drive clamping possible
3. Can be used for smooth and toothed hole clamping
4. Available with bushings
Shaving teeth (clamped by the machine tailstock drive)

Can be fine-tuned by screws for a more precise expansion range
Accuracy is less than 0.003mm
Can be used for automatic loading and unloading
Can be used with guide sleeve
Shaving (Bilateral Top Center Clamping)

Split the mandrel into two sides and clamp by hand or tailstock drive
Accuracy up to 0.005mm
Can be fine-tuned by screws for a more precise expansion range
Suitable for smooth and toothed holes
Can be matched with guide sleeve
special application

Tool Grinding

Rotor Grinding
W.R.T BOR

Hob Grinding

Worm and rotor Grinding


Bore grinding
W.R.T. OD
Hob Grinding Arbor

Impeller Balancing
Mander

Pully Balancing Mandrel

Liner Turning

Runout Inspetion

Aligment Mandrels
for Assembly

Concentrcity Inspechtion Mandrel

Milling, Boring and PCD Drilling
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