1. Bottom plate processing
Other standards: The hole distance error between each needle of the textile stenter needle board is relatively large, and sometimes it can be seen that the entire row of needles is not in a straight line.
Standard: The distance between each needle of the textile stenter needle board is not more than 0.05mm, and each row of needles is arranged in a straight line.
Benefits: beautiful, maintain uniform tension.
Other standards: The interference fit between each hole of the textile stenter needle plate and the steel needle is uneven, and the surface looks like a constant needle, but the steel needle has been damaged during the stamping process. The internal stress characteristics of the metal material, Will cause the needle board life to be greatly reduced.
Standard: The fit between each hole of the textile stenter needle plate and the steel needle is 0.06mm, and it is leveled once with a 15T punch, and there will be no changes in the internal stress of the steel needle, ensuring the service life of the needle plate.
Benefits: prolong service life.
3. Bottom plate plating
Other standards: The environmental protection requirements of textile stenter needle plate electroplating are not up to standard. Most of them are electroplating in small workshops, and the brightness is not enough. After a long time, the electroplating layer will fall off and become black.
Standard: Electroplated by a qualified electroplating factory, the surface of the electroplating layer is flat, and the gloss is bright. There will be no peeling and blackening of the electroplating layer during the service life of the stenter needle board.
4. Steel needle specifications
Other standards: The heat treatment process of the textile stenter needle board is not up to standard. It is easy to break the needle during logistics and express transportation, and the temperature changes when passing through the oven.
Standard: The heat treatment process of the textile stenter needle plate is up to the standard, except for the destructive test, the needle is not easy to break.