How to adjust the balance of a four-column hydraulic press?

How to adjust the balance of a four-column hydraulic press?

Regarding the adjustment of the parallelism of the hydraulic machine, the parallelism of the slider and the worktable should be adjusted first by adjusting the nut on the upper beam, so that the machine precision adjustment can have a better foundation. Then adjust the equipment to a pressurized state, and fasten the parts connected to the movable beam and the movable crossbeam to make the connection into a whole. At this time, the parts connected to the oil cylinder and the upper crossbeam should also be fastened.
In this case, it is necessary to tighten the lock nut under the hydraulic press workbench as much as possible, so that the parallelism of the hydraulic press can be judged from the verticality of the lower plane of the movable beam and the piston rod. Only in the vertical state of the two, the use of hydraulic presses can obtain the most accurate results.
To adjust the parallelism of the four-column hydraulic press, in the eyes of professionals in this field, it is not complicated and difficult. You only need to master the relevant professional knowledge to successfully complete the work. And what we need to know is that when adjusting the parallelism of the hydraulic press, the slider cannot slide down and the pressure-resistant pressure pier is placed after the mold is removed, because a certain amount of pressure is required during the adjustment process to ensure the smooth progress of this work.
Before adjusting the four-column hydraulic press, loosen the 4 lock nuts on the upper beam. The dial indicator first checks the parallelism between the lower plane of the movable beam and the front and rear (left and right) planes of the workbench. If it does not meet the requirements, tighten or loosen the front (left) two adjusting nuts or the rear (right) two adjusting nuts under pressure.
Until the measurement and adjustment meet the requirements. After the front-to-back (left-right) parallelism meets the requirements, use the above method to measure and adjust the left-right (front-to-back) parallelism. After the intermediate position meets the requirements, check whether the parallelism of the movable beam at the two positions under the dagger meets the requirements. When it is found that the parallelism deviation of the upper and lower positions exceeds the requirement, and the direction of the measured data is opposite, consider checking the assembly condition and checking whether the accuracy of the single parts such as the movable beam meets the requirements.

Ms.Serafina

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Post time: Jun-23-2021