Hydraulic extension
Single-acting with spring return
Hydraulic work supports
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Hydraulic work support – 500 bar – with base and taps AVFHT
Supply through taps in the base
Locking force at 500 bar: 12 to 35 kN
Hydraulic supports are designed to support the workpieces in a specific plane and eliminate vibration during machining.
Support with single hydraulic supply port for extension and locking of the rod.
For the operating principle, consult the guide.
• screw fastening
• stainless steel return spring
• contact force limited by spring
For operating pressure values below 150 bar, please enquire.
Special models can be made upon request.
IMPORTANT
The bleeder must be located at the highest point in the fixture.
In order to allow spring return, the counter pressure must not exceed 2 bar
Max flow rate: 1.5 l/min
Locking force diagram
Contact force diagram
| Locking force | Elastic collapse at 500 bar | Travel | Rod
Ø |
Type | Reference | ||||||||||||||
| D | a | b | c | e | f | g | p | r | s | u | |||||||||
| 500 bar | 300 bar | 150 bar | |||||||||||||||||
| kN | kN | kN | µm/kN | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | ° | ||||
| 12 | 7 | 2.8 | 3.5 | 12 | 20 | AVFHT 12 | 751 068/000 | 42 | 121 | 23.5 | 104 | 79 | 54 | M12 lg. 12 | 7 | 42 | 17 | 30 | 3D |
| 20 | 12.5 | 4.7 | 2.5 | 12 | 30 | AVFHT 22 | 751 079/000 | 54 | 123 | 23.5 | 104 | 79 | 66 | M12 lg. 15 | 7 | 54 | 26 | 30 | 3D |
| 35 | 22 | 7 | 2.5 | 16 | 40 | AVFHT 42 | 751 069/000 | 67 | 155.5 | 23.5 | 143.5 | 98 | 82 | M16 lg. 14 | 9 | 67 | 34 | 35 | 3D |
