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What to do if the automatic dispensing machine leaks glue?

2025-04

概要： A needle that is too small in diameter can cause the colloid to flow poorly or even become blocked, resulting in leakage. The solution is to replace it with a slightly larger diameter needle. Conical bevel needles are usually recommended, and air should be removed from the liquid before use.

What to do if the automatic dispensing machine leaks glue?

The main reasons and solutions for automatic dispensing machine leakage are as follows:

Needle diameter issue: A needle diameter that is too small can cause the adhesive to flow poorly or even become blocked, resulting in leakage. The solution is to replace it with a slightly larger diameter needle. A tapered oblique needle is usually recommended, and air should be removed from the liquid before use.

Pressure issue: Unstable or improperly set pressure can also cause leakage. The air pressure and the pressure of the pressure cylinder should be adjusted to ensure that the air pressure is within 15Mpa and the pressure cylinder pressure is above the middle position. In addition, check the dispensing time to ensure that the dispensing time is long enough to maintain stable dispensing.

Glue quality issue: Air mixed in the glue or the use of inappropriate glue can also cause leakage. The solution is to perform degassing treatment before use or replace the glue that is not easy to foam.

Equipment maintenance: Regularly clean the glue valve and needle to ensure that there is no cured residue or impurities. Mixing incompatible glues can cause chemical reactions, which can cause leakage. The solution is to replace the clean needle and ensure that the glue components are clear.

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