Precision shaft can be worn or scraped when the gap is large or the gap is small.

If you need to purchase both linear guides and sliders, you can choose the brand that has been approved, and then you need the specifications of linear guides to the manufacturer. If only one of them is needed, want to be more cautious, after all, different brands of linear guideways, its specifications and slider internal structure are different, need to choose and their own brand more similar to each other.
Among them, the mosaic is mainly used to adjust the clearance between the rectangular linear guide and the dovetail linear guide to ensure the normal contact of the linear guide surface, and the correct way is to place the mosaic on the side of the linear guide with less force. The pressure plate is used to adjust the clearance of the linear guide surface and to withstand the overturning moment. Precision axis
The surface of the press plate is separated by an empty knife groove, and can be ground or scraped when the gap is large or small. This method is simpler, so there are more applications and more applications. But it is troublesome to adjust, and it is suitable for occasions where the adjustment is not frequent, the wear resistance of the linear guide rail is good, or the clearance has little effect on the accuracy.