欧洲美熟女乱又伦免费视频-精品国产v无码大片在线观看-日韩人妻无码精品久久免费-亚洲成AV人片在线观看福利-亚洲日韩VA无码中文字幕

How to control the production process, film blowing machine size and thickness of plastic bags

Blowing machine in the process to get quality controlled plastic products, they should put in place to control the various processing sectors. Under normal circumstances, the process of sub-blowing machine feed heating, traction control pressure gas revenue side. After the membrane head blow hole filling, gas to the middle circle film, film into a straight up, bag size is controlled by the number of blow, and then through the membrane is stable to stable film. The thickness of the host to control the speed and traction, this can be understood, the host faster speed, feed speed is fast, the film is thick, the traction is exactly the opposite, pull the faster, more thin film, which is the most important aspect. Buy blowing machine Nadu election machinery, affordable, reliable quality management.
Copyright ? Ruian DeBang Machine Co.,Ltd.
欧洲美熟女乱又伦免费视频-精品国产v无码大片在线观看-日韩人妻无码精品久久免费-亚洲成AV人片在线观看福利-亚洲日韩VA无码中文字幕