Screw structure characteristics of film blowing machine
The screw adopts advanced alloy spraying technology, and the hardness of the screw is higher. Corrosion resistance will be better. Under this condition, compared with the ordinary nitriding screw, its service life will be greatly increased, even about 2-3 times longer than the nitriding screw. The length diameter ratio of the screw is also large, so the plasticizing capacity of the screw will be better, the brightness of the blown film is uniform, and the service performance of the product can meet the needs.
Operation specification of film blowing machine at startup
First, check all power lines in turn to see if there is leakage. Secondly, add lubricating oil to the gearbox and check the lubrication of mechanical components. Finally, under the condition that the discharge at the die opening of the film blowing machine is consistent, a series of processes can be carried out, such as slowly stretching, adjusting the air valve, and slowly passing the film through the bubble stabilizing frame and traction roller to coiling.