Wedge Swing Clamps

Wedge Swing Clamps - HILMA WZ 2.2240

• Max. clamping force: 50 - 100 kN
• Clamping stroke: 7.5 - 9.5 mm
• Tilting angle: 15°
• Max. flow rate 70 cm³/s

Special features:

• Clamping stroke up to 9.5 mm, therefore high
• Adaptability to different clamping edge heights
• High functional reliability ensured by
  - Mechanical lock
  - Position Monitoring
  - Automatic cycle
• Only 2 hydraulic ports
• Very suitable for retrofit to press bed and slide

Applications:

• On press beds and rams
• When the available space is limited

Function:

A wedge converts the stroke of the double-acting piston into a stroke of the tie rod. In order to release the die, the tie rod pivots by a maximum of 15°. The swing movement of the tie rod is performed by a separate swivel cylinder which is actuated by sequence valves. The clamping force is transmitted to the clamping point in the axial direction of the tie rod. The clamping and unclamping positions are monitored by inductive proximity switches. The mechanically locked wedge prevents unintentional unclamping of the die even if there is a loss of pressure.

Position monitoring

The wedge swing clamp is supplied with proximity switches for monitoring the clamping and unclamping position. The switch for the clamping position only reacts if the tie rod is in a vertical position and within the clamping range. If the clamping element performs the full clamping stroke, the proximity switch is released, and the signal disappears. The proximity switches are installed on the side of the swivel cylinder (see drawing). In case of part no. 4607-000, the proximity switches are installed on the front side of the housing.

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