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How can we guarantee the quality of the needle arrangement?

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How can we guarantee the quality of the needle arrangement?

How can we guarantee the quality of the needle arrangement?

How do we guarantee the quality of the quality of the needle and row of needles with technology? How much do you know about the arrangement of the needles and rows of needles?
1, anti static pin row electronic display screen assembly plant should have good anti-static measures.
2, heat dissipation design will be hot, high temperature will affect the attenuation speed and stability of LED, so the heat dissipation design of PCB board and the design of ventilation and heat dissipation of the box will affect the performance of LED.
3, the nominal current of the design of current value needle exhaust is 20mA, and it is generally suggested that the maximum use current is not more than 80% of the nominal value, especially for the display with small point spacing, and the current value should be reduced because of the poor heat dissipation.
4, the temperature and time of wave soldering must be controlled strictly for the temperature and the time of the furnace. The preheating temperature is 100 C + 5 C, the maximum is not more than 120 degrees C, and the preheating temperature rises steadily. The welding temperature is 245 and 5 C, and the welding time is not more than 3 seconds.
5. Control the verticality of the lamp for the straight-plug row of needle mother, the furnace should have enough technology to ensure that the LED vertical to the PCB board.
The above five points are in the technical point of view of how to ensure the quality of needle row mother row on the problem of the method, only for your reference!

Pub Time : 2018-08-06 01:32:48 >> News list
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