Adjustment of CNC Press Brake Explained

Looking to improve the accuracy and performance of your CNC press brake? Look no further than our comprehensive guide to adjusting the synchronization system and guide rail clearance.

With step-by-step instructions and expert insights, you’ll learn everything you need to know to fine-tune your press brake for optimal results. Whether you’re a seasoned metalworker or just starting out, this article is a must-read for anyone looking to take their press brake to the next level.

So why wait? Dive in and start optimizing your machine today!

Adjustment of the synchronization system

The electro-hydraulic synchronous servo system controls the position synchronization of the ram during movement and positioning at the end of the stroke.

The correct installation of the grating ruler is crucial for accurate Y-axis sampling.

To install the grating ruler correctly, perform horizontal alignment of the CNC press brake, ensuring that the grating ruler and guide rail are perpendicular to the ground (check with the frame leveler).

If the ram of the CNC press brake is not parallel to the workbench at the bottom dead center, adjust it by changing the reference zero value of the two Y-axes.

Note: This adjustment is a fine-tuning process and may need to be repeated. It is recommended that the user assign a dedicated person to be responsible for the adjustment. If necessary, seek assistance from relevant experts or the manufacturer to guide the adjustment.

Adjustment of guide rail clearance

Adjust the set screw of the guide rail and check it with a feeler gauge to ensure that the guide rail gap is approximately 0.1mm. The guide rail gap should be uniform both vertically and horizontally.

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Fill the lubricating oil at the lubricating point at the upper end of the guide rail. Then, start the machine to run the ram up and down and recheck whether the guide rail clearance meets the requirements. If not, readjust it.

After repairing or replacing the nylon guide plate, check the motion accuracy of the ram. Refer to the machine tool certificate of conformity for the inspection methods and accuracy requirements. If there is any error, adjust and repair it accordingly.

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