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(2) Adjusting the Welding Pressure
In order to assure optimal welding, the pressure of the welding gripper to the straps to be
welded must be within a certain range. Depending on the thickness of the strap, this
pressure is adjusted by means of the adjusting the quantity of shim(s). Please see the
following chart.
(3) Adjustments
(a) Preselecting of Strap Tension and Tensioning Speed
Do not adjust the tensioning force too high. If
the tensioning force is higher than the strength of
the strap, the strap will tear while tensioning.
Tensioning force can be preselected with
the left adjusting knob. Turning it clockwise
increases the tensioning force, while turning it
counterclockwise decreases the tensioning force.
When P.P. straps or straps with thinner thickness around 0.55mm to 0.7mm are still
being damaged by H45-10090 (tension wheel) during strapping while the tension is at
the lowest level (make a counterclockwise turn on the tension knob to the end), simply
use an allen key wrench to make a counterclockwise turn on the trimmer of P.C. Board.
You need to take off the protection cover first and you will then see the VR underneath
the protection cover. After making all the adjustments, tension will become lower.
When the tension becomes as low as you desired, just put the protection cover back.
On the other hand, if tension is not enough while it is at the highest level (make a
clockwise turn on the tension knob to the end), simple make a clockwise turn on the
trimmer of P.C.
When adjusting the welding pressure, the shim must be inserted
into "steel insert".
Disregarding this regulation will cause considerable trouble.
H45-40260
strap thickness
Steel Insert
0.5-0.6 mm
H45-40270
0.7-0.8 mm
Shim
0.9-1.05 mm
Adjusting knob
Board
for even higher tension.
smooth strap
quantity for shim(s)
H45-40270
for
tensioning force
Adjusting knob
for
- 6 -
embossed
quantity for shim(s)
H45-40270
2
1
0
sealing time
Protection cover
strap
3
2
1
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