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Automatic dispensing machine
Publication time:2017年11月06日 Click:order Browse times:

Automatic dispensing machine is to place a special glue on the top of the PCB board in order to fix the chip element, and then wave soldering after curing. Dispensing is automatically carried out according to the program.

1. tubular rotary gel control; ordinary, digital time controller.

2. dispensing NIB set inching point touch switch, easy to operate; without air pressure, power supply can work.

Archimedes type glue pump:

1. working principle: compressed air is sent into the rubber bottle (syringe), and the glue is pressed into the feed pipe, and the gum flows through the screw which rotates at a fixed time and a specific speed. The formation of shear stress in rotary screw glue, the glue flow along the thread, the rotation of the screw in the glue on the continuous pressure, the outflow from the glue needle mouth.

2. features: flexibility with glue dot diameter without fixed limit. It can be adjusted by software. However, when the big glue point is applied, the screw rotates for a long time, which will reduce the output of the whole machine. In addition, the viscosity and flow characteristics of the adhesive affect its stability.

Non contact type glue pump:

1. working principle: compressed air is sent into the rubber bottle (syringe), and the glue is pressed into the feed pipe connected with the piston chamber. In this heating, the temperature is controlled so as to achieve the best consistent viscosity. Use a ball seat structure, glue to fill the ball from the seat back left vacant. When the ball came back, because the acceleration forces generated broken glue agent flow and the glue needle mouth spray, drop to the plate forming gel point.

2. characteristics: 1) eliminate the glue point pull out produced by the traditional method. 2), and other parts of the wear and no interference glue needle. 3) no pin mouth damage. 4) there is no scrap due to the bending of the substrate and the damage of the nozzle.


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