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1. Rough machining of precision injection mould processing

The main task is to cut out most of the machining allowance of each machining surface and provide a positioning base for semi-finishing machining to improve the production efficiency as much as possible in this stage.

2. Semi-finishing machining of precision injection mould processing

The main task is to prepare for the finishing of the main surface of the parts and to complete the processing of some secondary surfaces.

3. Precision machining of precision injection mould processing

The task is to remove the machining allowance left by semi-finishing so that the main surface of each workpiece can meet the dimensional accuracy and roughness required by the pattern.

4. Finishing machining of precision injection mould processing

Mould parts with a roughness Ra value less than or equal to 0.4uu should be done by finishing machining. Finishing machining is only used to reduce surface roughness, not to correct shape and position errors.

Reasons for the phasing of precision injection mould processing

1) Rationally use the processing equipment and give play to its characteristics

2) The roughing machining and precision machining are separated, and the errors generated in roughing machining can be removed in finishing machining or semi-finishing machining.

3) It is convenient to arrange the heat treatment process so that it can be reasonably matched with the cutting process.

4) It is convenient to find defects in the blank and protect the processed surface in time.

Hanking Mould Engineering Ltd. is one of professional chinese mold manufacturers. We provide Plastic Injection Moulds, Plastic Parts Gallery, custom plastic molding china, plastic injection molding and so on. Want to know about abs injection molding process and mold manufacturing process? Want to buy injection mould? Please contact us.