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Changeover of the heating system
Depending on the material to be welded one should use either the heating
system with either the long or short combi-wedge.
Long Combi-wedge
with test
channel
without test
channel
Short Combi-wedge
with test
channel
without test
channel
• Maximum possible width of welding seam without test channel 50 mm / 2 inch
• Welding seam width, with test channel in accordance with DVS 2225 part 1
and BAM.
•Other dimensions possible on request
Work process
• Loosen four screw on the combi-wedge (18).
• Install the new heating system.
• Lightly tighten screw.
• Move the combi-wedge (18) between drive/pressure rollers.
• Align the combi-wedge (18) with the pressure rollers (22/23).
• Tighten screws.
• Test-weld/check: The test channel must be in the centre of the welding seam.
• As required, adjustments can be made to the running-in depth of the heating
system with the inner hexagonal screw (30), in order to run the test channel
off-centre.
• Application/guidelines
Depending on the material, possibly deviating
PE-HD, PE-C, PFA, PP material thickness of 0,8 – 2,0 mm / 32 – 80 mil
PVC-P, PE-LD, ECB, EVA material thickness of 1, 0 – 3,0 mm / 40 – 120 mil
• Contains three heating zones: pre-heating, contact heating,
The long combi-wedge produces a very high welding quality as
well as high welding speeds by combining contact heat and
hot air.
• Application/guidelines
Depending on the material, possibly deviating
PE-HD, PE-C, PFA, PP
PVC-P, PE-LD, ECB, EVA material thickness of 0,5 – 2,0 mm / 20 – 80 mil
• Makes welding of films from 0,3 mm / 12 mil thickness possible
• In order to prevent thin materials melting onto the contact area,
the material to be welded is carried by a hot air cushion. The
contact with the short combi-wedge is thus very brief.
material plasticising
material thickness of 0,3 – 1,0 mm / 12 – 40 mil
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