How To Fine-tune The Blow Molding Machine

March 02, 2022

How To Fine-tune The Blow molding machine

The method of fine adjustment is to individually adjust the position of the front nut according to the distance measured at the four corners of the movable template and the fixed template to improve the parallelism. The process of measurement and adjustment often needs to be repeated many times. During the fine-tuning process, special attention should be paid to the following two points:

First, the precision measurement is carried out after the double toggle mechanism is straightened during the clamping action. The damage of the mold adjusting mechanism of the Blow Molding Machine mostly occurs when the high pressure mold clamping of the injection machine is performed. After the mold clamping action, the reaction force of the forward movement of the driven platen makes the adjustment nut and the adjustment platen close to each other, eliminating the gap between the mold adjustment screw and the adjustment platen, and the forward direction of each kinematic pair of the double toggle mechanism. Clearance, it is more appropriate to use this as a benchmark to adjust.

Second, use the quick mold opening and closing function to move the movable template and the adjustment template to adjust the attitude of the mold opening and closing mechanism. For the fixed platen, moving platen and adjusting platen of the mold opening and closing mechanism of the mechanical hydraulic injection machine, only the fixed platen is fixed on the horizontal bed by bolts. The quick opening and closing of the mold can automatically adjust the movable platen and the adjustment plate to be in the proper position, which is very important for the adjustment of the parallelism. Therefore, after each adjustment of the front nut, the mold should be quickly opened and closed several times, and the relative position of the three plates should be adjusted before parallelism measurement.

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