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Experience of glue quantity control of automatic dispensing

作者:马交易日期:2019-08-12 22:43浏览:

The dispensing control of automatic dispensing machine and glue filling machine is a common problem in packaging industry. The quantity of dispensing glue and the application time of filling glue have an effect on the quality of packaging products.
1. Pressure setting of dispensing machine
自動點膠機 The automatic dispensing machine provides a certain pressure for the needle or rubber gun to ensure the supply of glue. The pressure determines the amount and speed of glue. If the pressure is too high, the glue will overflow and the amount of glue will be too much. If the pressure is too low, there will be intermittent and leak point problems affecting the glue control, which will lead to product defects. Pressure should be selected according to the nature of glue and the temperature of the working environment. The ambient temperature will make the glue viscosity smaller and its fluidity better. At this time, the pressure value should be reduced, and vice versa.
2. Setting time of dispenser
According to the experience of glue quantity control, the diameter of glue point should be half of the product spacing. This will ensure that there is enough glue to bind components and avoid excessive glue effects. The amount of glue dispensing is determined by the time set by the automatic dispensing machine. In practice, the setting time of dispensing should be selected according to the production conditions (room temperature, glue viscosity, etc.).
3. Needle size of dispensing machine
In practice, the inner diameter of the needle should be about 1/2 of the diameter of the adhesive point. The dispensing process should be based on glue control and product size. Selection of dispensing head should be different size products with different needles, so as to ensure the quality of dispensing point controlled by automatic dispensing machine and improve production efficiency.