The amount of glue is a key factor that affects the quality of the product. To control the amount of glue, there are three points to note.
1. Before starting, first adjust the distance between the two rubber rollers, pay attention to the distance between the left and right sides must be consistent, so as to ensure the uniform amount of glue from the left to the right of the composite film. The amount of glue is also determined in this step. According to different requirements, different steel rulers with 0.6mm, 0.8mm and 1mm thickness can be used. This step of adjustment is good, which can greatly avoid problems such as apparent difference and winding when winding, and improve the qualified product rate.
2. The glue roller must maintain a good finish, and no foreign objects can exist. When adjusting the gap between the two ends of the rubber roller, wait until the steel roller is fully preheated. The liquid level of the adhesive between the rubber rollers should be kept as low as possible to add fresh glue to the rollers at any time.
3. In actual operation, the gluing amount of the composite film without printed patterns can be controlled between 0.8 ~ 1.2g / ?, and the products with printed patterns can be controlled according to the amount of ink to 1.5 ~ 3.0g / ?between. It should be noted that different types of inks use different resins and pigments and require different amounts of glue.
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