1. Set the dispensing time of the dispenser. The amount of glue dispensed should be half the product spacing. This ensures sufficient glue for bonding components and prevents excessive glue leakage. The number of automatic dispensers can be controlled by adjusting the dispensing time. In actual production, the dispensing time can be set based on environmental conditions (workshop temperature, glue viscosity, dispensing speed, etc.).

2. The dispenser pressure sets the glue volume. This pressure is supplied to the hose and needle by the automatic dispenser controller. The pressure determines the amount of glue and the speed of dispensing. High pressure can easily cause glue to spurt out and overfill, affecting the product appearance. Low pressure can result in uneven aeration and leakage, affecting product quality. In actual production, the pressure should be set based on the glue viscosity, production workshop environment, and air temperature. If the temperature is too low, the glue viscosity increases and the fluidity decreases. At this point, the pressure value needs to be increased, and vice versa.

3. In actual production, the inner diameter of the needle should be the same as the radius of the glue dot. During dispensing, the dispensing needle can be selected according to the product size. Choosing the appropriate dispensing needle for different product sizes will facilitate the automatic dispensing operation and avoid glue spots. The height of the dispensing needle from the circuit board and the inner diameter of the needle are the most important parameters.

The minimum dispensing volume standard for an automatic dispensing machine is less than 0.005ml, and the minimum inner diameter of a stainless steel needle is 0.1mm. The minimum inner diameter of the needle is 0.1mm. The needle diameter of an automatic dispensing machine can reach 0.02mm.