Clamping attachments type SA

(automatic drive dog • patent pending)

Functions and applications

A centric clamping chuck can be converted to machine between centres with the fitment of an easily mounted clamping ring and centre. When the chuck is actuated, the jaws press radially inwards and bend the ring in such a way that the workpiece can be mounted. When the chuck is “opened”, the clamping ring rests on the workpiece and exerts the available residual bending force to provide the necessary driving torque.

Advantages at a glance

• No excessive clamping forces acting on the workpiece.
• More than sufficient driving torque for cylin drical grinding operations.
• Fast time-saving conversion of jaw chucks to between centre mounting.
• "Drive dog" for automated production.
• Low weight, low inertia.
• Wide clamping range (variable).
• Special types available on request.

Standard chuck flanges and intermediate discs.

For mounting

power-operated chuck on short taper spindles according
to DIN, ISO and ASA standard.

Pretension discs / rings,
chuck simulator and actuating cylinder.

Pretension discs (and rings) serve for pretensioning the top jaws to enable their gripping positions to be ground under a specific pretension directly on a cylindrical grinding machine.Pretension discs are designed for external chucking. They consist of a set of discs, wich vary by 0.25mm in diameter, enabling the total jaw stroke to be accommodated.

Pretension rings are designed for internal chucking.

Chuck simulator for preparing the gripping positions of top jaws

The chuck simulator serves for turning soft top jaws. It can be mounted either on a three-jaw chuck or on a magnetic chuck. The gripping positions should be turned with about 0.2 mm grinding allowance.

Actuating cylinder

Clamping cylinder suitable for chucks type 3KCHP.