What Is The Flow Of The Dispenser Controlled By

There are three major factors affecting the amount of glue

A. Setting the dispensing time of the dispenser

According to work experience, the size of glue spot diameter should be half of the product spacing. This ensures that there is enough glue to bond the components without too much glue. The amount of dispensing is determined by the length of time set by the automatic dispensing machine. In practice, the setting time of dispensing should be selected according to the production situation (room temperature, glue viscosity, etc.).

B. Pressure setting of the dispenser

The dispensing equipment provides a certain pressure to the needle or glue gun to ensure the supply of glue, and the pressure determines the amount of glue supplied and the speed of glue outflow. Too much pressure is easy to cause glue overflow, too much glue; If the pressure is too small, there will be discontinuous phenomenon and leakage point, which will lead to product defects. The pressure should be selected according to the nature of the glue and the working environment temperature. High ambient temperature will make the viscosity of glue smaller and the fluidity better. At this time, it is necessary to lower the pressure value, and vice versa.

C. The needle size of the dispensing machine

In practice, the size of the inner diameter of the needle should be about 1/2 of the diameter of the dispensing glue. In the process of dispensing, the dispensing needle should be selected according to the size of the product. Different needles should be selected for products with different sizes, which can not only ensure the quality of glue points, but also improve production efficiency.

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