What is the complete working process of the pipe bending machine? The main features of the pipe bender are as follows: Before operating the machine, you should first check whether each lubrication point is short of oil and whether the movement mechanism is loose. After confirming that the safety protection device is reliable, The machine can be operated. Start the oil pump and check whether the system pressure is maintained within the range specified by the program to ensure the healthy and normal operation of the machine. The structure is reasonable, the function is relatively complete, the operation is simple, it can be installed quickly, and it is convenient to carry. In addition, the pipe bender also has a function similar to a hydraulic jack, and compared with the CNC pipe bender, the price has a certain advantage. If the system pressure is too high, it will damage the hydraulic components and waste power; if the pressure is too low, it will also affect the work of the machine. In the hydraulic system of the pipe bending machine, the clamping cylinder, the boosting cylinder and the bending cylinder are all locked by hydraulic control check valves, which reduces the pressure loss and ensures the reliable bending, clamping and pressing actions during the pipe bending process. Because the speed and strength of the three actions of bending, clamping and boosting are important factors that affect the quality of pipe fittings, at the same time, in order to meet different pipe bending processes, the bending cylinder, boosting cylinder and clamping cylinder all adopt oil return throttling. The speed control circuit makes the system speed adjustable, the working speed is stable, no impact, and the speed load characteristics are good; the bending cylinder is equipped with a secondary throttling speed control circuit, and the slow bending can be used when the bending angle is 5-10. The tube makes the final bending angle very close to the set bending angle, and the energy-saving effect is obvious. When the pipe bender is bending, because the trolley is used as a load, it is pulled forward by the pipe. In order to improve the bending, avoid excessive thinning of the wall thickness of the bending part of the pipe, reduce the rebound, and increase the booster device. When bending, the die not only compresses the tube, but is also pushed forward by the thrust to form a side thrust to help the bending. The pipe bending arm of the pipe bending machine is connected with the bending spindle into one body, the pipe bending die axis can be replaced, and the clamping die moves up and down. This not only has a reasonable structure, increases the strength of the mechanical part, but also has a simple structure, which simplifies the electrical circuit. When entering the last bend, the cart may collide with the die. At this time, the “interference zone” function can be used, that is, the die returns, the cart continues to feed a elbow arm, and returns to a spatial corner (POB), and the clamping die is clamped. Once the chuck is loosened, the trolley exits the interference zone, and the compression mould compresses a bent tube. In this way, the bend not only avoids the collision between the trolley and the die, and ensures the smooth completion of the last bend, but also reduces the clamping loss of the material head and reduces the production cost.
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