Guide: Desktop dispensers are widely used in manufacturing enterprises. In the process of using equipment, it is necessary to accurately control the glue and solve the problem of glue bubbles, and reduce the defect rate. The weight of glue is very important, then the dispenser How does the device accurately control the glue and solve the problem of glue bubbles?
[Office Partner Information Channel] Desktop Dispenser is widely used in manufacturing enterprises. In the process of using equipment, it is necessary to accurately control the glue and solve the problem of glue bubbles, reduce the defect rate and improve the production efficiency, which is not only used in use. When the dispenser device itself is excellent, it actually has a great relationship with the glue used in it, because different dispensing processes are different for mixing ratio, glue amount, viscosity, fluidity, operation time, curing time, etc. . In order to successfully meet the dispensing requirements, the amount of glue is very important, so how to precisely control the glue and solve the problem of glue bubbles? 1. Optional good dispensing control valve, the glue used is mixed in the mixing tube part at the front end of the rubber outlet, which reduces the waste of glue and facilitates the uniform mixing of the glue. Generally, the dynamic two-liquid dispensing valve and dynamic mixing are configured. The tube is used for compounding, and the application of dynamic valve and dynamic mixing tube can fully mix the glue under the action of clicking, and fully mix after the glue ratio is matched to meet the requirements of the potting process.
2. The time of dispensing, the longer the time, the greater the amount of glue will be released, and the smaller the opposite. For those without quantitative requirements, the diameter of the glue dot is half of the diameter of the product, which ensures sufficient glue to bond the components while avoiding the waste of glue.
3. Familiar with the viscosity of the glue used. The higher the viscosity, the lower the fluidity, and the pressure required for the visual dispenser will be larger. Silicone dispenser
4. If there are more bubbles in the glue, it is necessary to vacuum the glue, and then use the dispenser to ensure the quality of the glued product. Bohai Dispenser Equipment
5. Control the temperature of the glue used. Generally, the epoxy resin glue should be stored in the refrigerator of 00c-50c. It should be taken out half an hour before use, so that the glue can fully meet the ambient temperature and the viscosity of the glue. The influence is very large. When the temperature is too low, the glue point becomes small, and the drawing phenomenon occurs. At the same time, the temperature of the environment should be ensured, and the small glue point of the humidity is easy to dry and affect the adhesion.
6. Use a more precise mechanical movement part
According to the technical requirements of the dispensing process, the precision stepping motor can be selected with a guide rail or a precision servo motor equipped with a screw guide.
Source of information: Internet
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