What is a large bending machine

Views: 1     Author: DURMAPRESS     Publish Time: 2022-01-14      Origin: DURMAPRESS


What is a large bending machine

Large bending machine in the process of sheet metal processing, for larger plate bending, has always been a let a person more headaches, because plate size is bigger, plus the weight of the plate also is bigger, often need 3 ~ 4 people to an artifact, human cost, so that make to the workpiece precision is relatively low, and the operator is tired. The following supporting device is a good solution to this problem, which not only saves the labor, but also improves the production efficiency, and the workpiece accuracy is also much higher.

800T 折 1

Large bending machine supporting wheel adopts screw and pull rod mechanical transmission technology, supporting wheel in the use of the process, to ensure that the supporting plate and the upper plane of the mold level. In the use of different height of mould need carrier wheel frame rise or fall, by rotating the handwheel pull (rotate handwheel and left-right rotating screw connection in the middle position, use left and right hand thread around rotating screw, respectively with left-hand thread nut and right hand thread nut connection, left and right hand thread nut and feeder wheel lifting connected bar, In the process of rotating handwheel rotation through the left and right screw rotation thread drive left and right screw nut respectively to move in opposite directions on both sides.

800T 折 12

The crank connecting rod mechanism controlled by electro - hydraulic servo control is adopted in large - scale bending machine. The movement of crank connecting rod mechanism depends on the numerical control system to control the opening size of proportional servo valve to adjust the amount of oil in the cylinder, so as to control the synchronization of the motion speed of the supporting material and the bending speed of the sheet metal. Relatively speaking, its mechanical action is complex, but also need hydraulic cylinder for electro-hydraulic control, manufacturing cost is high, the movement trajectory is difficult to control. The power drive of the mechanism is mainly provided by two servomotors. For molds of different heights, in order to make the upper plane of the plate of the front supporting mechanism always on the same horizontal plane as the upper plane of the lower die, the servo motor can transfer power through the belt wheel to drive the lead screw, and drive the whole sliding seat to move up and down.

Large bending machine with robot as the core of the CNC sheet bending flexible processing unit is a highly automated equipment combination, with high standards, high quality and high flexibility. In flexural flexible machining unit, the selection of appropriate component combination can provide better support for machining efficiency and flexibility. The bending accuracy depends on the precision of the bending machine itself, the positioning accuracy of the robot, and the cooperative control of the robot and the bending machine. The difficulty of cooperative control lies in the speed matching between the robot and the bending machine and the running track of the robot supporting the workpiece. Poor following effect will seriously affect the bending Angle forming effect and the flatness of the surface, thus affecting the quality of the finished product.

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