The reason why the needle of the needle roller is easy to fall_common problem

The needle of the needle roller is easy to fall off, what causes it to fall off easily? Needle rollers are usually called perforated needle rollers, film perforated needle rollers, aluminum foil paper perforated needle rollers, heating perforated needle rollers, needle rings, needle cylinders, etc. The needle roller must be handled with care when assembling. The lock nut can be tightened by hand. The concentricity of the main shaft also determines the service life of the needle roller. Does anyone know what causes the needle of the needle roller to easily fall off? Qianshan County Dali Brush Factory will share the following experience with you: 1. The method of sharpening the drill is wrong, and the needle will fall after the shot. 2. The verticality of the drill bit and the needle roller fixture is wrong. 3. The needle and the hole are not matched correctly (a hole with a diameter of 1 mm will definitely fall off with a 1 mm drill). 4. The material used for the needle roller is shoddy. 5. If there is glue on the needle roller, the needle is easy to fall off. The main reason is the above, so when checking the needle roller, you should pay attention to whether the above points are all right. Qianshan County Meixin Brush Factory is located in the most popular tourist destination, at the foot of the beautiful Tianzhu Mountain (Gu Nanyue). It has been producing hair brushes, roller brushes, pipe brushes, belt brushes, and steel wire for more than 20 years. Brush roller history, has a strong technical force. Possess advanced brush-making equipment at home and abroad. Welcome to www.mxbrushmachinery.com