The traditional hot melt adhesive coating is installed on a special heated throat. The melt is cast onto the coating gun through the heating of the melt cylinder and the pressure of the gear pump. The gun body valve needle completes the work of the coating gun through air opening, spring closing, or air opening and air closing. Due to the thermal expansion of the hot melt adhesive and the pressure of the gear pump, the air opening, spring closing, air opening and air closing will cause tailing and wire drawing in the coating nozzle during operation, making it more difficult to control the residual glue in the coating nozzle casting path. In addition, once the coating width of the coating nozzle is increased, it is difficult for traditional coating guns to control the casting of hot melt adhesive, and it may even cause glue dripping and overflow. This will affect production efficiency and increase production costs.
1. The scraper is made of alloy material with a hardness of 60°, which is wear-resistant and has a long service life.
2. The large-flow air-on-air-off back-pump valve body is combined on the coating knife for scraping, and is equipped with a MAC solenoid valve to meet high-speed interval gluing.
3. The working power supply is AC220V, multi-zone temperature control, and the power is 6800W.
4. Sensor type K, pt100, nickel 120 optional, working air pressure 0.6mpa
5. The gluing width is 300-1000mm. The width can be achieved by replacing different gluing copper sheets, and the regional glue amount can be fine-tuned.
6. 4-way glue inlet, 120-mesh precision filtration system filters impurities in the glue to reduce blockage
7. It can be applied in full or in horizontal and vertical intervals, etc.
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Hongchuangyuan, Dongshan Street, Rui'an City, Wenzhou, Zhejiang Province, China
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