1. Vacuum negative pressure is insufficient

When the suction nozzle to take components, the suction nozzle at a certain negative pressure, the components adsorbed on the suction nozzle. Its determination of whether the suction nozzle picks up components is generally abnormal using negative pressure detection, when the negative pressure sensor detection value within a certain range, the machine that sucks up normal, and vice versa that sucks up bad. In the component suction, vacuum negative pressure should be above 53.33kPa, so that there is enough vacuum to suck the component. If the negative vacuum pressure is insufficient, will not be able to provide sufficient suction to absorb the components, in use, we must often check the negative vacuum pressure, and regularly clean the suction nozzle, but also pay attention to each fitting head of the vacuum filter cartridge contamination, its role is to reach the suction nozzle of the air source for filtration, the pollution of the black should be replaced to ensure that the airflow is unimpeded.

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4. The influence of sucking height

Ideal suction height is the patch machine processing suction nozzle contact to the component surface and then press down {{0}}.05mm, if the depth of the pressure is too large, it will cause the component is pressed into the material slot instead of picking up the material. If a component of the sucking situation is not good, can be appropriate to absorb the height of the upward slightly adjusted, such as 0.05mm. authors in the actual work process has encountered a material table on all the components are bad sucking situation, the solution is the system parameters in the material table picking up the height of the appropriate upward shift a little bit.

5. The procurement of components

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