7075 aluminum tube may form stripes on the surface of aluminum tube during production. What is the cause and how can we solve it?Next 7075 aluminum tube manufacturers to introduce to you, 7075 aluminum tube surface stripe causes and solutions.

Causes:

1. The "branches" and threaded holes on the inner side of 7075 aluminum tube produce stripes due to insufficient or excessive metal supply.To solve this problem, check the drawing for any defects such as large wall thickness, branching, and threaded holes on the 7075 aluminum tube trim.

2. The weld zone under the split bridge by the mold can cause a fringe on the surface quality of 7075 aluminum tube.Solution: while ensuring the strength of the die, the welding chamber should be as large as possible so that enough hydrostatic pressure can be formed on the metal.

3, 7075 sectional view of aluminum this design problem is due to the large difference in thickness, a mutation in the length of the site where the color stripe appears to work easily with anodic oxidation.Solution: the upper welding chamber can be provided on the male die.

4. Due to insufficient analysis of the cooling technical capacity of the machine, its maintenance mode and polishing of the die holes of these parts, polishing smooth, or reducing or modifying the parts connected with the transition radius

5, the quality of raw materials themselves is not good, resulting in stripe color difference.To solve this problem, the casting billet should be heated at a uniform temperature and annealed thoroughly.

About 7075 aluminum tube surface fringe causes and solutions to introduce here, if you need 7075 aluminum tube can consult us.