Blog Information

• Posted By : xiu umin
• Posted On : Jul 16, 2020
• Views : 259
• Category : Technology
• Description : Before the Crate Mould is installed on the injection moulding machine, it should be inspected so as to find out the quality problems in time and avoid removing it after installation.

Overview

• Mould pre-inspection:

  Before the Crate Mould is installed on the injection moulding machine, it should be inspected so as to find out the quality problems in time and avoid removing it after installation. When the mould fixed template and moving template are inspected separately, attention should be paid to the direction mark to avoid making mistakes when closing the mould.

  Installation of inclined guide die:

  During mould loading, two people should pay close attention to safety. If there is a crate mould with lateral parting mechanism, the slider should be installed in a horizontal position, that is, the movable block moves left and right.

  Die fastening:

  When the positioning ring of crate mould is installed in the positioning ring seat of the fixed template on injection moulding machine, the mould is closed at a very slow speed, so that the moving template can gently press the mould, and then the pressing plate must be fitted with gaskets, and the pressing plate must be fitted with 4 pieces up and down respectively. When the pressing plate is installed, attention must be paid to adjusting the height of adjusting screws to the same height as the mould foot, that is, the pressing plate should be flat. If the pressing plate is inclined, the die feet of the die cannot be pressed tightly. The side of the pressing plate should not be close to the mould, so as to avoid friction damage to the mould.

  Correct ejector pin ejection distance:

  After the crate mould is fastened, open the mould slowly until the movable mould plate stops retreating. This is why the position of the ejector pin should be adjusted until there is a gap of not less than 5 mm between the ejector plate on the mould and the bottom plate of the movable mould, so as to prevent damage to the mould and eject the workpiece.

  Adjustment of tightness of closed die:

  In order to prevent overflow and ensure proper exhaust of the cavity, when adjusting the hydraulic plug-toggle locking mechanism, it is mainly based on visual inspection and experience, that is, when closing the die, the toggle is fast first and then slow, that is, it is not very natural and not too forced to straighten, so the tightness of closing the die is just right. For moulds requiring mould temperature, the mould tightness should be corrected after the mould temperature is raised.

  Energy receiving cooling water:

  After connecting the cooling water, check whether it is unblocked and leaking.

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