There are basics of good injection moulds for plastic washing machine parts from Sino Mould based on its 20+ years of experience on home appliance injection moulds. Here talked about the aspect which cannot be ignored: part molding analysis.
In order to ensure that ideal plastic products are manufactured, it is necessary to understand the purpose, use condition, appearance requirements, etc. of the parts. In addition to the reasonable selection of plastic, the molding process of plastic parts must be considered. Molding analysis of plastic parts is directly related to mold design. Only when the design of plastic parts can meet the requirements of the molding process can a reasonable mold structure be designed. Which is not only ensuring the smooth plastic parts molding, but also improving productivity and reducing costs.
Part Molding Analysis
For plastic washing machine parts, there are major four tips shall be considered at first.
1. Draft Angle
To easy remove plastic parts from mould cavity or core, the reasonable draft anglemust be considered for the inner and outer walls of them.
2. Part Holes
Generally, to increase the production efficiency, the holes on the parts should be molded at one time. Otherwise, the easy further process shall be designed well.
3. Part Thickness
It is vital to determine the wall thickness of the parts reasonably. The wall thickness of the parts should be as uniform as possible and avoid being too thin, otherwise the plastic parts will deform due to uneven shrinkage with other defects.
4. Part Strength
Solid parts ensure the final washing machine durable ability, hence, the structure design for part strength such as ribs and round corner shall be paid attention to as well.
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