Electromechanical
Retracting Turn Clamp Unit
EDH
- For medium and larger presses
- For clamping upper, lower and interior dies on multi-acting presses
- For dies and adapter plates with identical dimensions and integrated lockplates or U-recesses
- Stationary installation on the edge of slide, the slide or the machine bed
Mode of operation
- An electric motor with gear provides the extension and retraction movement and the clamping force.
- During the clamping and unclamping movement the tie rod is turned through 90°.
Description
By means of a gear drive an electric motor causes a spindle to rotate. Through this a nut and the tie rod connected to it is moved up or down. Before the end of its extension movement the tie rod is mechanically unlocked and turned. Energy is only required during the clamping and unclamping processes. The clamp unit is mechanically self-locking. The clamping force is contiuously monitored.
- Mechanically self-locking
- Electric monitoring of all functions
- Fully automated operation
- Large clamping dimension tolerance
- Continuous clamping force monitoring
- Limit switches / cables
- Plug connectors
Technical data
| Type | EDH 60 | EDH 120 | EDH 240 |
|---|---|---|---|
| Clamping force [kN] | 60 | 120 | 240 |
| max. loading force [kN] 1) | 100 | 200 | 400 |
| Clamping dimension tolerance [mm] | +/- 7 | ||
| Stroke [mm] | 97 | 108 | 137 |
| Clamping speed [mm/s] | 3 | ||
| Motor: Type Supply voltage [V] |
three-phase 400 V 50 HZ |
||
| Motor Power [kW] | 0,55 | 0,75 | 1,5 |
| Limit switches: Number / Type Supply voltage Connection type Designation |
• Four inductive proximity switches • PNP normally open; 10-30V DC • Plug-in type (M8x1) • Tie rod retracted S3 • Tie rod in clamping position S5 • Continuous clamping force monito- ring S6 • Tie rod in unclamping position S7 |
||
| max. operating temperature [°C] | 70 | ||
| Weight [kg] | 36 | 40 | 50 |
1) Mechanical damage may occur at higher loads. Fixing is achieved with four screws M12, DIN 912 strength class 8.8 (not included)