A cooling roller is a roller that enters cooling water. When coating a film or adhesive tape, in order to reduce the deformation caused by shrinkage when the finished product is rolled, the material is cooled by a cooling roller before rolling to reduce the deformation of the material. The cooling roller is located on the back of the roll paper drying unit and is used to reduce the temperature of the roll paper to the curing temperature of the thermoset ink.

In order to achieve the best state of mirror rollers and play the greatest function, special in the production of mirror rollers, add the following special requirements, so that mirror rollers maximize the glow of heat. Mirror roller selection village "according to local conditions" According to the actual use of mirror rollers, the mirror rollers that act as conduction select the No. 20 steel, the mirror rollers with heating function or cooling effect or the weight bearing select no. 45 steel, and the mirror rollers with high non-deformation rates choose alloy forging steel. Maximize the use of mirror rollers In order to improve the rust-proof function, wear-resistant function, anti-stick function, etc. , according to the use of selective roller surface electroplating hard chrome, spray ceramics, spray Teflon and other treatment. Late refined cars, fine grinding, etc., are the key factors to ensure the straightness, balance, non-roundness, coaxiality and so on.

The spline shaft is a kind of mechanical transmission. The flat key, half-circle key, and oblique key have the same function to transmit mechanical torque. There is a longitudinal keyway on the surface of the shaft, and the rotating part sleeved on the shaft also has a corresponding keyway, which can be retained. Rotate synchronously with the axis. While rotating, some can also slide longitudinally on the shaft, such as gearbox shift gears.