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WIDOS
Einsteinstr. 5
Phone +49 (0) 71 52 99 39 - 0
W. Dommer Söhne GmbH D-71254 Ditzingen-Heimerdingen Fax
+49 (0) 71 52 99 39 - 40
Website: http://www.widos.de
Email: inf [email protected]
12.02.04
Working Instructions WIDOS HRG 14, Segment
Page 14 of 42
4. Operating and Indicating Elements
4.1. Elements on the Standard Version
No. Name
Function
1
Locking fork
- Heating element and planer are laid w ith their supporting
forks onto the clamping devices.
2
Clamping screw
- Tight clamping of the pipes during the w elding process.
- Hydraulic clamping cylinders replacing the clamping screw s
are available on request (see point 4.2)
3
Clamping cylinder
(left / right)
- Application of the w elding force.
- Easy dismounting and mounting of the cylinders by
loosening or attaching the locking cotter pins.
4
Control valve
- Opening and closing the movable clamping ring,
there are four different positions:
- To the left side: movable clamping ring closes;
- In the middle (usual position): the pressure w hich is currently
achieved is kept (also by means of the built-in hydraulic
accumulator);
- Slightly to the right side (position pressureless): a possibly
existing pressure is released w ithout opening the machine.
Due to the hydraulic accumulator, it takes about 10 s until
the pressure is completely released.
- To the right side: movable clamping ring opens.
5
Pressure gauge
- Display of the hydraulic pressure.
6
Set screw for pressure
relief valve
- Limitation of the pressure to the desired value.
7
Hydraulic oil tank
1
2
3
4
5
6
7
