1.5 Cars with an aluminium chassis and a separate body shell . ... Steel car bodies have been traditionally fabricated from stamped sheet parts joined by. 6KWi7axLAEVO Accurate Section Benders are providing tyuding steel Section Bending, Plate Rolling, Press Braking & Construction ... 3IkUv0zBxm7N Our customized roll forming plans for car impact bar, steel frame, exhaust pipe, and seat telescopic slides are being used inmercial projects all around the ... R2wAa4cYLgn3 Operator: The operator must be familiar with the structure and operation of the roll bending machine, and then the equipment manager will be qualified to carry out the roll operation of the rolling machine. The rolling process must arrange two people to be operated at the same time, a person is responsible for the overall coordination, another person to assist work, two people must cooperate with the tacit understanding in order to finish rolling process of the cylinder. Equipment: Before use, check whether the rolling machine is in good condition after startup check whether the hydraulic system pressure is normal, the overturned side can be normally closed, when starting the machine the bottom roller of the plate rolls is under normal rotation, to ensure the system operating normally before use. Commissioning plate rolls: To adjust both upper roller and bottom roller to the parallel state by visual inspection. Adjust the center distance to the proper distance according to the param... See full list on Alignment： Place the plate for rolling on the roll bending machine, and adjust the upper roller edge paralyzed with the cutting edge of the plate with the visual method, and the error control in the range of ±0.5mm. Rolling circular： On the basis of the contact surface for upper roller outer circle and plate, to press 15mm continuously. Jog control to rotate the bottom roller, when the plate arc length reachesmm, stop the rotation. Again press the upper roller for 10mm, rotate bottom roller and stop it when the end of the plate tangent to the bottom roller. Repeat press upper roller, rotate bottom roller until the pre-bending sheet arc basically consistent with the sample. The precurving circular arc should transi... See full list on On the basis of contacting plate surface for upper roller, press 15mm continuously, jog rotate bottom roller. The continuous rotation of bottom roller can be carried out after confirming all the rollers function well. (Note: at this procedure, continuously gear start bottom roller is not allowed, preventing accidents). In the process of rolling, operators must focus the attention when starting the rolling machine. However, for the assisting operator, he must timely and accuratemand and cooperate with the main operator when there is the visual blind area for the rolling machine control. To roll circular by pressing the upper roller repeatedly. When the distance of the two ends of the plate reach 800mm, reduce the pressing pressure of the upper roller, drop to 3-5mm each time until the two ends are close together. During the circle rolling process, to observe whether the plate for rolling is offset, and when the offset (visual) exceeds 10mm, stop the rolling process and reduce the... See full list on Mild steel, such as Q235A, generally adopt the CO2 gas shielded welding machine, welding must be carried out on the weld gouging and weld well, weld joint surface should less than 3 mm, the weld joint residual height should be uniform. If the height exceeds the standard, remove the height by sanding process, to make it less than 3 mm, weld uninformed. The weld joint should have no surface defects. Medium carbon steel: for example, 45 #, after preheating welding, must be rounded and must be annealed after welding. The rolling and welding method is the same as low carbon steel. Special materials: execute according to a specific process. See full list on yGJLRlWP8SGN
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