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The second major component of the dispenser:
drive. There are four main drive mechanisms: hydraulic drive, pneumatic drive, electrical drive and mechanical drive. Among them, only the electrical and pneumatic drives account for 90% of the total applications due to the relatively small amount of glue used, the convenient air source, the simple and convenient maintenance, and the relatively low cost.
control system. In order to ensure the dispensing operation is simpler and more accurate, high-speed and accurate. The control system of the glue dispenser is equipped with a motion control card, an offline conversion board, a hand-held teaching box, a serial port cable, an interface cable, a dongle, an offline liquid product, an offline keyboard, and a thin code switch dispensing program. The advantage of such an assembly is that the files are easy to download, and the data management is convenient.
After understanding the composition of the glue dispenser, it is necessary to understand the working principle of the glue dispenser. The glue dispenser uses the pressure to carry out the glue dispensing operation by sending compressed air into the syringe or glue bottle, and pressing the glue into the feed pipe connected to the piston chamber. When the piston is on the upstroke, the piston chamber is filled with glue; as the piston pushes the dispensing needle downward, the glue is forced out of the needle nozzle under pressure. The amount of glue dripped is determined by the distance of the plunger, which can be adjusted manually or controlled by programming.
