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Plastic molding

design ring gate in injection mold

July 10, 2019 by mechanicaleng blog Leave a Comment

Ring gate with circular cross-section

Design ring gate of injection mold is special of disk gate. It is used for cylindrical or round parts in a multi cavity mold or when a diaphragm gate is not practical.  Melt materials enter the mold by by ring gate can improve weld line defect. There are 2 main types of ring gate: inside […]

design disk gate in injection molding

July 9, 2019 by mechanicaleng blog Leave a Comment

disk gate shapre injection molding

We usually design disk gate if shape of a product is a trough hole sleeve like moldings, which need a mounting of the core at both ends. It Used in the case of single cavity, or when placing the gate directly to the base of the molded product. Residual strain tend to occur because the […]

design flash gate in injection molding

July 8, 2019 by mechanicaleng blog 1 Comment

design flash gate in injection mold

Design flash gate will be applied to the plate shaped molded product. This type is effective at preventing deformation by suppressing residual strain. It appears a litter in mold design. You can read all the content about gate design at here. 1. Advantages and disadvantages of flash gate. A. Advantages. + Flash gate usually use […]

design side gate in injection molding

July 7, 2019 by mechanicaleng blog Leave a Comment

design side gate have chamfer

Design side gate is the most generally of mold design, and used well in multi-cavity mold. Its shape is a rectangle or semicircle, and placed at side of the molded product. It can use for a product with small side or middle thickness because gate structure is easy and don need high quality.     […]

design fan gate in injection molding

July 6, 2019 by mechanicaleng blog 1 Comment

design fan gate of injection mold

Design fan gate is similar to the side gate, but width of gate  is bigger and has fan-shaped. Used in large size molded product.  It permits rapid filling of large parts or fragile section mold area with large entry area. It is used to create uniform flow into wide parts. You can read all the […]

Stripper mold construction | stripper plate

June 1, 2019 by mechanicaleng blog 1 Comment

plastics injection mold construction stripper plate stripper mold

Stripper mold is mold that use stripper plate to push sample out of the mold. It can solve shape cups, containers and lids without undercut. Stripper plate is between core plate and cavity plate. When mold open, ejector system will push to stripper plate and stripper plate push sample out of the mold. I. When […]

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