Hydraulic extension
Single-acting – spring return
Hydraulic work supports
Other products
How to choose a Hydraulic work supports Guide ?
Access Hydraulic work supports 's products
Access selection
Back to Hydraulic Clamping Systems
Hydraulic work support – 500 bar – with base and counter-bores AVFH
Flanged supply 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, see consult the guide.
• screw fastening
• stainless steel return spring
• contact force limited by spring
• Supplied with O-rings:
5.28 x 1.78 – 90 Shore for AVFH 12 and AVFH 22
7.65 x 1.78 – 90 Shore for AVLH42
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 | h | j | 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 | mm | mm | ° | ||||
| 12 | 7 | 2.8 | 3.5 | 12 | 20 | AVFH 12 | 751 049/000 | 42 | 112 | 14.5 | 104 | 67 | 54 | M12 lg. 12 | 4 | 8.8 | 7 | 42 | 17 | 30 | 3D |
| 20 | 12.5 | 4.7 | 2.5 | 12 | 30 | AVFH 22 | 751 052/000 | 54 | 114 | 14.5 | 104 | 79 | 66 | M12 lg. 15 | 4 | 8.8 | 7 | 54 | 26 | 30 | 3D |
| 35 | 22 | 7 | 2.5 | 16 | 40 | AVFH 42 | 751 071/000 | 67 | 150 | 18 | 138 | 98 | 82 | M16 lg. 14 | 5 | 11 | 9 | 67 | 34 | 35 | 3D |
