Thin wall cup mould or thin wall box mould need high precise tooling and molding.

A good thin wall mould need precise machine for tooling, for example: High speed CNC machine, SODICK EDM, SODICK wire cutting machine, About the CNC miling will be 2 or 3 stages rough to half recise then to precise milling. the high stardard mould will be use normal machine for rough milling, use high speed machine for final precise milling. it is very important for machines precision and avoid the deforming of the steel caused the dimension mistakes.

A good thin wall mould MFI should be more than 40; venting and cooling system need very good;wall of the sample must be uniformity.

A good thin wall mould should be suit for high speed injection, usually around 6-8s/short.

A good thin wall mould should be high verticality for each ejector and guiding system.

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