PA66+GF30 plastic injection tooling Sweeper pipe handle, cosmetic and submarine gate

PA66+GF30 plastic injection tooling Sweeper pipe handle, cosmetic and submarine gate

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Classification:    Plastic Injection Tooling

Label:    injection mold components, plastic injection mold tooling

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Product description：

This is the plastic handle locker parts for famous Sweeper maker.

1. This parts have big volume, so customer need multi cavities mold. Since the budget is low so that we have to use cold runner mold. From mold flow we knew most of pressure was lost in runner. Since runner is around 300mm. So it is not so easy job.

2. Inside has lifter and thin steel area, so we need take care of the mold precision and fiiting.

3. The parting line is on the cosmetic area. two sliders match together. If we didn’t do good job then there are burrs or mismatch on the parting line area. we designed some construction to let two sides match together. To machine it together to get 0 mismtach

4. Cooling system in core inserts and sliders area etc.

5. It is submarine gates on sliders, we have to make locker to hold the runner. and cutoff the gate automatically. The PA66+GF30 material after so long runner with submarine gates then it will go to damange the partitial so it is easy to have burrs. we spent a few week to fine tuning the mold and let it works. Both molding parameter and mold condition must be perfect.

Lesson:

1. Mold flow simulation is necessary.

2. For Crystallization material, it is important to have short runner, less than 200mm

3. For long runner, it is better no submarine gates