Collapsible Core Plastic Mold Design
This mold project is a traditional collapsible core injection mold design solution with a complicated mechanism.
The upper sphere is a plastic part with 16 holes. 9 holes need separate slides to assist with demolding.
TONGDA LINK displays many complicated solutions for injection mold design and slide design. In this mold design concept, the customer will know how TONGDA LINK designs & manufactures this mold and know the mold price is reasonable and the lead time is acceptable.
Mold Specification |
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| PRODUCT NAME | Upper sphere plastic |
| Design software | Solidworks/PROE/UG/CAD |
| Mould base, A&B plate | LKM, P20 |
| Material of cavity&core | 1.2738 |
| Plastic material | ABS 757 |
| Mould life time | 300,000shots |
| Cavity | 1 Cavity |
| Injection system | Cold runner system |
| Slide material | 1.2738 nitridation |
| Injection molding machine | This mold runs on a 350-ton injection machine. |
| Package | Wrapped by foil, then vacuum bagged in the wooden case. |
| Lead time | The lead time for T1 is 7.5 weeks. |
| Manufacturing difficulties | There are 9 slides in different angles to assist mold action. |
| Customer | Poland |
One part needs 9 slides, demolding outside as star. These slides are driven by “dog-leg” guide posts. The “dog-leg” guide posts here act as angle guide posts and wedges, requiring relatively high precision mold manufacturing.
The other seven holes are formed on the cavity side directly. This plastic sphere has a bottom sphere designed the same as the upper.
The mold is manufactured with precision equipment, and the parting line is slight. The sphere is repainted with rubber oil to hide the parting line. Appearance is perfect.
Due to product patent protection, product images are not shown here.
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