Plastic Mold Of Mickey Shaped Tissue Box

For making a new shape tissue box, the design part is very important. So how do make a good design for the plastic mold of mickey shaped tissue box?

The design basis

1. Correctness of dimensional accuracy and its associated dimensions

According to specific requirements and functions of the entire product of Molded products, which kind of external quality and specific size are determined: Molded products with higher appearance quality requirements and lower dimensional accuracy such as toys and functional Molded products with strict size requirements, cameras with strict appearance and size.

2. Whether draft angle is reasonable

Draft angle is directly related to release and quality of Molded products, that is whether injection can be carried out smoothly during Moulding process: draft angle has sufficient slope to match the plastic product informed parting or parting surface; whether it will affect the accuracy of appearance and wall thickness dimensions.

3. Whether it will affect the strength of a certain part of Molded products

Design process

1. Analysis and digestion of molded products drawings and entities (real samples)

2. The geometry of the part

3. Dimensions, tolerances, and design basis

4. Skills requirement

5. Plastic name or brand

6. Surface requirement

7. The number of cavities and cavity arrangement

8. Weight of product and injection volume of injection machine

9. The projected area of product and clamping force of the injection machine

10. Outer dimensions of mold and effective area of mold for injection machine, (or spacing inside injection rod)

11. Product accuracy

12. Whether the product has a side core and a treatment method thereof

13. Production batch of products

14. Economic benefit (production value per mold)

After the number of cavities is determined, arrangement of cavities, that is an arrangement of cavities, arrangement of cavities involves the size of the mold, design of gating system, the balance of gating system, design of core pulling (slider) mechanism, design of core and inserts, design of heat exchange system, these problems are related to the selection of parting surface and gate position. Therefore, in a specific design process, necessary adjustments should be made to achieve a more perfect design.

Determination of the parting surface

1. Does not affect the appearance

2. Conducive to ensure product accuracy, Moulding process, especially the processing of cavity

3. Conducive to the design of gating system, exhaust system, cooling system

4. Conducive to mold opening (parting, demoulding) to ensure that product is left on the side of movable mold when mold is opened

5. Facilitate the arrangement of metal inserts