Wire drawing is a kind of abrasive belt grinding process, grinding the metal surface through the abrasive belt, removing the metal surface defects, and forming a certain roughness, uniform grain decorative surface.
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Wire drawing method and matters needing attention:
The operator must wear good labor protection articles;
Confirm that each system of the equipment is in good condition before starting;
For wire drawing pieces, especially mesh plate to check whether smooth, deformed workpiece should return to the previous process leveling;
Before work, check and confirm whether there is protective film and glue on the surface of materials and parts to be repaired, and remove it before processing.
The old sand belt of 180# is first used for rough drawing during processing. (the new sand belt Ra is too large) Hold the press plate with one hand and press it on the emery cloth belt.
Make emery cloth belt evenly contact the workpiece; The other hand will be fixed platform plate swing back and forth, repeatedly. Until the workpiece
Silk lines clear, no pits, no burning and other adverse phenomena can be, remember not a wire drawing
Too deep and too hard (to prevent burning).
If there is a burning phenomenon in the drawing process, you can wipe a black oil rod or a small amount of diesel oil on the surface of the emery cloth belt.
Then gently pull again, until the burning phenomenon can be eliminated.
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