Time:2023-11-17 Views:1 source:News
1. Cold adhesive coating machine: uses liquid adhesive, which can be divided into solvent adhesive and water-based adhesive. There are two types of coating methods: scraping and roller coating. The volatile solvent glue is scraped and coated, and the glue box is easy to seal to prevent the evaporation of the coating glue. Water-based adhesives and solvent adhesives with low volatility are generally coated with rollers for easy operation.
2. Hot glue coating machine: Solid glue is used, which is heated and melted in the hot glue box of the coating machine before use. Generally, the heating temperature of the coating glue is around 220 ℃. Suitable for covering solid wood veneer and decorative paint paper.
3. Combination type coating machine: To meet different production needs, universal coating machines include cold glue hot glue combination type, cold glue scraping roller coating combination type, etc.
The main problems are:
4. Low frequency torque: The coating machine can adjust the processing width and thickness according to the different coating materials. Uneven width and thickness of the coating materials require sufficient torque for the equipment to composite the materials. Many wide and thick materials cause motor stalling, frequency converter overcurrent, and cannot produce continuously;
5. Interference: This type of wrapping machine design leads out the frequency converter keyboard to operate on the upper part of the machine, and the frequency converter is installed on the lower part of the machine. The keyboard cable reaches 3M and some parts are parallel to the strong current line, causing the keyboard to flicker and unable to work properly;
6. Unstable output: Due to the keyboard circuit being too long and exposed, the interference is severe. During the maintenance process, the installation inside the manufacturer is normal, but the keyboard flickers and cannot work properly after leaving the factory. Replacing multiple keyboard cables cannot solve this problem, resulting in unstable output and abnormal production.
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