The joint part is the weakest link of the abrasive belt under the action of external force. In the production process, the joint of abrasive belt is the key point of technological work, because it is ...
Sandpaper sponge sanding process has the characteristics of high production efficiency, good surface quality and low production cost, so it is widely used in furniture production. The final surface qu...
15. SeamThere is obvious seam penetration on the surface of the finishing coat, and the seams are parallel to each other. They are most common on black or other dark-colored paint surfaces. (1) Cause...