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Bucket Mould Maker

Bucket mould

Oct. 16, 2019 Visit: 854

During the past 15 years, we made so many bucket moulds for our customers, we have concluded some technical points to share with you in paint pail mould designing and manufacturing, hope this technical point can help you choose your partner.

1. Professional bucket mould design is the principal of good bucket mould.

Especially for cooling system design, in our company we have the cooling system designed in the core, slider, stripper, and cavity.

For paint bucket mould core, design the cooling channel 15mm below the molding surface. And the diameter of the paint bucket mould cooling channel should be more than 12mm, so that the water can run smoothly in the channel while taking away the heat in the core.

For paint bucket mould cavity, the cooling system design near the hot runner tip area is very important, this area is very sensitivity. Bad cooling system will directly influence the bucket's cycle time and out looking.

2. Good and suitable steel selection for bucket mould is very important.

To make a high quality painting bucket mould, we have to choose suitable steel for the bucket mould.

Normally, for a paint bucket mould life less than 1million, we suggest to use P20, 718H for bucket core and cavity;

For paint bucket mould life is 1 million, we suggest to choose H13 for the cavity and core steel, with HRC42-45.

Of course, some customers want to reach high speed injection with shorter cycle time, we suggest using BeCu insert one the core top, cavity bottom and slider.

3. Precision tooling guarantees even injection and material flow.

The painting bucket mould's core eccentric causing the pail wall thickness not even and the pail out of center. This problem is very common, but virulent for the mould life.

So good and precision machining process select is very important.

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