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power chuck / 6-jaw / lathe / diaphragm
power chuck
SM

... element is a washer-shaped diaphragm, preferably with three clamping jaws. If the application involves thin-walled workpieces, the diaphragm can also be designed with four or six clamping jaws. These ...

manual tightening turning chuck / 3-jaw / precision / diaphragm
manual tightening turning chuck
TMAD series

Use: for second operations in turning, hardturning, grinding and checking Very good accuracy and repeatability Totallly sealed; maintenance-free Supplied with quick change top jaws TMCR (patented TOBLER system) that allows ...

6-jaw turning chuck / precision / diaphragm
6-jaw turning chuck
MBS/L series

Rotational speed: 3,000 rpm - 8,000 rpm
Outer diameter: 80 mm - 294 mm

... Air is supplied to the chuck by a multi passage air tube assembly with a rotary coupling. Coolant through the spindle capability is standard. Application OD and ID chucking for cylindrical grinding, turning, ...

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Microcentric
3-jaw turning chuck / precision / diaphragm
3-jaw turning chuck
D series

... Line Clamping Centrifugal Force Compensation Proofline Sealed Type D diaphragm clamping technology with quick jaw change at its best for hard turning, grinding, high precision turning.

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SMW AUTOBLOK
3-jaw turning chuck / precision / diaphragm / hydraulic
3-jaw turning chuck

Diaphragm chucks have a high re-run centring accuracy (< 0.005 mm). The membranes move in the elastic range of the material. Release is either on the machine side or realised by means ...

6-jaw turning chuck / precision / diaphragm
6-jaw turning chuck
DPH series

Rotational speed: 3,000, 8,000, 10,000, 12,000, 15,000 rpm

Advantages of a diaphragm chuck : Completely sealed from harsh environments Jaw motion provides pullback feature No metal-to-metal moving parts Counterbalanced for higher operating speeds No lubrication ...

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NORTHFIELD PRECISION INSTRUMENT
3-jaw turning chuck / precision / diaphragm
3-jaw turning chuck
PLD

The N.A. Woodworth PLD (Pitch Line Diaphragm) chuck is aimed primarily at gear families. The chuck offers solutions in hard turning and grinding operations where repeatability, ...

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ITW Workholding

How to choose this product

diaphragm-turning-chuck

Diaphragm chucks use compressed air to open and close the jaws holding workpieces on lathes. They offer improved accuracy and axial symmetry during turning operations.

Applications

Diaphragm chucks are primarily used for light-duty turning operations such as fine boring, facing and grinding. They are used on computer numeric control (CNC) lathes equipped with a compressed air system.

Technologies

The diaphragm chuck uses a compressed air piston or drawbar to open the diaphragm, allowing the workpiece to be mounted within the jaws. As the piston is retracted, the jaws close, holding the workpiece in place. The diaphragm is made of spring steel and the base of the jaws from hardened steel.

How to choose

Be sure to determine the approximate diameter of the workpiece when selecting a diaphragm chuck.

Advantages

- Concentricity
- Fine turning

Disadvantages

- Metal fatigue