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7.8.4.7 Build-up welding
The welding material must be only applied to the conveyor side of the roller spirals on
the conveyor and pinch rollers. Never manually apply a build-up welding bead directly
on the roller tube. The heat will affect the complete roller and it will become unusable.
1
Note that the built-up spirals (1) on the conveyor rollers must never be higher than
max. 20 mm.
2
Note that the built-up spirals (2) on the pinch roller must never be higher than max.
18 mm.
Build-up welding must always be done by machine to ensure that the surface of the
weld is smooth and to prevent damage to the beets. This work can be done in many
ROPA service workshops correctly and economically.
We recommend ROPA SCREWTEC special filling wire with a diameter of 1.6 mm for
build-up welding. It is applied at the factory and can be ordered in 15 kg rolls at ROPA
item no. 017136.
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