Roll Forming Machine and Method of Roll Forming
OwnerLars Ingvarssoninventor
Life of this patent
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Abstract
When roll-forming a blank into a profile having varying width and upright sides, the vertical position of at least any one of the forming roll pairs (21, 22; 23, 24) is varied 5 on either side during the roll-forming operation while the lateral and rotational positions thereof are simultaneously varied. The profile can thus be given a flat bottom during the roll-forming operation itself.
Claims9
Roll forming machine comprising two rows of forming roll pairs (21, 22;
- 23, 24) for forming a flat blank (11) into a product (12) with a central bottom part (13) having a width that varies along the length of the product and upright sides (14, 15), the forming roll pairs being movable laterally and rotationally, wherein
- at least any one of the forming roll pairs (21, 22;
- 23, 24) in each row is movable vertically and is designed in such a manner that it can be guided vertically while simultaneously being guided laterally and rotationally and in that a measuring device (34, 35) for recording the advance of the blank is associated with this forming roll pair and is designed to follow the vertical movement thereof.
Method of roll-forming a fiat blank (11) into a product (12) with a bottom part (13) having a varying width and upright sides (14, 15) in two rows of roll-forming units each comprising one forming roll pair (21, 22;
- 23, 24), wherein
- the vertical position of at least any one of the forming roll pairs is varied on either side during the roll-forming operation while the lateral and rotational positions thereof are simultaneously varied and the advance of the blank (11) is recorded, by measuring wheels (34, 35) which follow the vertical movements of the forming roll pairs.
Dependencies are inferred from the claim text.