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模具加工前需要注意哪些问题

What problems should we pay attention to before die processing?

模具加工是一项非常复杂繁重的任务，需要了解到目标塑料注塑件全方位的信息，所以在注塑模具加工之前我们应该做足充分的准备.

Mold processing is a very complex and arduous task, we need to understand the full range of information about the target plastic injection parts, so we should make full preparations before the injection mold processing.

1、熟悉模具加工塑件的几何形状、明确使用要求，除看懂图纸、在头脑中建立清晰的三维形象外，还要充分了解塑件的用途，塑件的各部分各起什么作用，明确塑件的成型收缩率、透明度、尺寸公差、表面粗糙度以及允许的变形范围等问题。

1. Familiar with the geometric shape of the plastic parts processed by moulds, clear requirements for use, in addition to understanding the drawings and establishing a clear three-dimensional image in the mind, but also fully understand the use of the plastic parts, the role of each part of the plastic parts, clear molding shrinkage, transparency, dimensional tolerance, surface roughness and allowable changes. Shape and scope.

2、详细了解具加工注射机规格和型号。设计前要确定采用什么型号和规格的注塑机，这样才能在模具设计中有的放矢，正确处理好注塑模具与注射机的关系。

2. Understand the specification and type of injection molding machine in detail. Before designing, it is necessary to determine the type and specification of the injection molding machine, so as to have a definite aim in the mold design and properly handle the relationship between the injection mold and the injection molding machine.

3、审查模具加工塑件的结构工艺性，确认塑件的各个细节是否符合注塑成型的工艺性条件。优质的模具不仅取决于模具结构的正确性，还取决于塑件的结构能否满足成型工艺的要求。

3. Examine the structural and technological properties of the plastic parts processed by the mold, and confirm whether the details of the plastic parts conform to the technological conditions of injection molding. High quality mold not only depends on the correctness of mold structure, but also depends on whether the structure of plastic parts can meet the requirements of molding process.