EQUIPMENT FOR CHANGING TYPE OF PRODUCT BY ARBOR METHOD IN ROLL FORMING OF SHAPE STEEL OR THE LIKE

摘要: PURPOSE:To change the type of product to another a desired size without detaching forming roll and spacer, by using specific set collar when is changed an arbor method in shape steel, etc. CONSTITUTION:When from channel steel 10-A 10-B strip 1A inserted into 11 and, at same time, held dimension fixing 30 fastening 20. Both collars have projections on inner circumference, respecitvely, slide grooves 13-1 13-2 installed direction circumference axis 11. When 10-B, nut 25 loosened projection 20 rotated along groove 13 Then, 21 fitted 12 slided 12. Thus, 1a can be moved fixed, 10-B.