Hot melt adhesive coating machine does not produce glue troubleshooting method (4).

3. The gear pump motor does not run out of glue

First check whether the safety and full return valve in the melting cylinder has glue flowing back into the melting cylinder, if there is, it means that the gear pump and return valve are not damaged, and it should be slowly tightened to set to the appropriate pressure position. If it is a newly installed machine, it may be caused by the vacuum in the hot melt adhesive circuit, please remove the hose joint nut of the Hot melt adhesive coating machine first, let the machine run, and then install the hose back into the lock head nut after the glue is normal. 

Yitong Industry and Trade (Shanghai) Co., Ltd. provides new products, new process solutions company, we not only provide equipment, but also the new European technology, process through the carrier of equipment, to provide Chinese customers. The main equipment is precision coating, mainly including lithium battery coating, optical film coating, brand tape coating, etc., covering the industries of battery, printing, electronics and precision chemical industry. Precision coating machines include: solvent-free coating machine (Hot melt adhesive coating machine), solvent-based coating machine, protective film coating machine, water-based coating machine, oil-based coating machine, etc. Fully automatic control mode, representing the high level of Europe. Our products have: European quality, joint venture price, Chinese service. "