Trouble
5. Tube cannot be put
out of the machine
and sticks in the form
stamp
6. Tube cannot be put
out of the machine
and sticks in the form
stamp
Sometimes
clamp dies do not
open
7.
Tube
end
not
completely formed out
Cause
Tube slid in the clamp dies
Forming pin disconnects from bayonet fixing
(tube was turned against the clockwise
direction in the form stamp)
Forming pin used for to large tube wall
thickness
Forming pin used for other material
Tube not pressed against tube stop
- 45 -
Solution
1. Unscrew form head front part
(mark position before).
2. Take forming pin with tube.
3. Screw on form head front part,
tighten it until marking.
4. Exchange forming pin.
5.
Clean
clamping
replace when worn out.
6. Lubricate the tubes inside and
outside in the future
1. Switch off the machine (0)
2. Switch on the machine (I)
3. Press RESET button (R)
4. Chuck jaws open
5. Put forming pin with tube into
the bayonet fixing and turn it in the
clockwise direction again
6.Press start button and redo the
forming procedure
7. Take out the tube after opening
the clamp dies
8. When the clamp dies do not
open, forming head must be
unscrewed, see line 5.
select correct forming pin for the
appropriate tube wall thickness
select correct forming pin for
steel/stainless steel
Press tube against tube stop.
Deburr
tube
end
Examine tube for oval shape.
dies
and
carefully