Nowadays, packaging is an indispensable part of current products. Currently, the popular packaging in the market is mainly plastic and paper. The blow molding industry, which mainly uses film blowing machines, has a larger proportion in the market. However, with the requirements of the paper industry Increasingly strict, new indicators of environmental protection and energy conservation have raised the threshold of the paper industry, causing the cost of the paper packaging market to expand and prices to rise. This has resulted in a corresponding increase in the market share of plastic packaging, stimulating the development of the film blowing machine manufacturing machinery industry. At the same time, environmental protection and energy-saving technology have received attention in the film blowing machine machinery industry, promoting the film blowing machine to move towards the high-end level.
Some problems you may encounter during use:
Reasons for wrinkles in the film:
① Uneven film thickness;
② Insufficient cooling effect;
③ The blow-up ratio is too large, causing the film bubble to be unstable, swinging back and forth, and prone to wrinkles;
④ The angle of the herringbone plywood is too large, The film bubble is flattened in a short distance, so the film is prone to wrinkles;
⑤ The pressure on both sides of the traction roller is inconsistent, one side is higher and the other is lower;
⑥ The axes between the guide rollers are not parallel, affecting the stability and flatness of the film , resulting in wrinkles.
Solution:
①Adjust the thickness of the film to ensure uniform thickness;
②Appropriately reduce the angle of the herringbone plywood;
③Appropriately reduce the blowing ratio to improve the cooling effect and ensure that the film can be fully cooled;
④Adjust the pressure of the traction roller to ensure The film is evenly stressed;
⑤ Check the axes of each guide shaft and make them parallel to each other
