B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
B24B 7/10 (2006.01) B24B 7/12 (2006.01) B24B 7/28 (2006.01) B24B 41/047 (2006.01)
Patent
CA 2083053
In order to be able to sand the surface of an item (3) uniformly smooth, a sanding machine is used with sanding tools in the form of sanding rollers (29) which are rotated as well as turned in the same plane, and which at the same time herewith are also moved in a reciprocating manner transversely to and parallel with the direction in which the item is conveyed, whereby during the working stroke the sanding ele- ments on the sanding rollers (29) will sand at all pos- sible contact angles in relation to the item (3). The risk of sanding damage such as marks and grooves as a result of over-sanding, or the possible lack of sand- ing as a result of too sporadic contact, is herewith re- duced, and the best possible result is achieved. Fur- thermore, the wear on the sanding rollers (29) is com- pletely uniform, whereby their endurance is extended. For the movement of the sanding rollers (29), there is used an apparatus comprising a motor-driven crank arm (7) which, in sliding engagement with a carriage which supports the sanding rollers (29), can drive the carriage forwards and backwards on rails (4) which extend transversely to the machine (1). There is here- by achieved a stable and robust construction which also gives the sanding rollers (29) an expedient move- ment characteristic, which compensates for the pre- dominantly longitudinal sanding movements to which the items are exposed in the outer areas.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hh Patent A/s
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