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The 10 Principles Of Tooling Design
Nov 01, 2017

1 consideration of clamping force

The lateral clamping force of the mold is relatively small, so for the large area of the larger projection area, the projection area should be placed in the direction of the front and rear mold opening and closing direction, and the side projection area is smaller as the side To the type.

2 meet the product stripping requirements

Parting surface is for the product can be successfully removed from the mold. Therefore, the location of the parting surface should be selected in the product section of the largest size of the site, which is a basic principle.

3 shape of the shape of the surface

General products, often with a injection molding machine with the direction of vertical movement of the sub-surface, under special circumstances only the use of other shapes of the sub-surface. Tooling Design The shape of the parting surface to facilitate the processing and stripping principle. Like a certain bending of the product, when typing it had to listen to the curvature of its curvature to.

4 to ensure that the product appearance and quality

Do not choose the surface of the product in a smooth outer surface. The appearance of the surface is generally not allowed to have a cable and other affect the appearance of the lines; Tooling Design some concentricity requirements of the product, have to have part of the concentricity requirements on the same side, so as to ensure its concentricity.

5 direction to determine

In determining the product in the mold inside the orientation, the choice of parting should try to prevent the product to form the side hole or side buckle, should avoid the use of complex mold structure.

6 is conducive to stripping

The general mold of the stripping mechanism are in the dynamic mode, Tooling Design so the choice of sub-surface should be as much as possible after the mold to stay in the dynamic mode. So for some may stick to the fixed mode of the place, we tend to add fixed-mode auxiliary stripping mechanism.

7 Consider the lateral opening distance

The general lateral mechanical open mold distance is relatively small. Therefore, when selecting the parting surface, the direction of the long distance should be selected in the direction of the front and rear mold opening and closing, and the short direction should be used as the lateral type.

8 Mold parts are easy to process

Select the parting surface, Tooling Design the mold should be divided into easy processing of parts, reduce the difficulty of machining.

9 conducive to exhaust

When the parting surface as the main exhaust, the sub-surface design should be in the plastic flow of the end, in order to facilitate the exhaust.

10R type

For the Tooling Design classification of many products, parting surface at a full circle of R angle, then the classification must take into account the R type, can not appear sharp side.