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How did the prototype factory make the prototype model?

by:Tuowei     2019-09-19
2017-07- 11 17: 34

general customers want to develop a new product, only if the drawings have not been opened, they will find that they cannot be used after avoiding the products, you need to make a prototype to try it wrong. After confirming that there is no problem, you will start the mold. Xiaobian has served as the customer service of the extension model for more than three years, and often encounters some customers who do not understand how to make the prototype model? Here is a detailed introduction to you, mainly in these ways?

I. CNC machining

CNC machining is the main processing method of the prototype, the principle is to use the CNC machining center to give the approximate outline of the prototype on the material, and then make the prototype more exquisite by surface treatment, which can process plastic hardware and other materials, the accuracy of processing is positive and negative. 1mm. It is suitable for some large prototypes and can be disassembled for processing, but a small number of materials are not suitable for dismantling, such as PPS and nylon materials.

2. Vacuum compound mold

silicone mold is made in vacuum condition by using the product prototype, and use the mold in a vacuum state ( PU, transparent PU, POM-like, ABS) For batch copying of materials, a silicone mold can be copied by more than 10. However, due to the influence of heat expansion and cold contraction, the prototype accuracy of the vacuum compound mold is not high, at 0. Around 2mm, this approach is obviously not appropriate if you need to make a high-precision prototype.

3. 3d printing

layered overlay technology, its file format is stl, 3d printing has limited materials that can be processed, mainly light-sensitive resin and abs, and it is charged according to the weight of raw materials, generally, it is only used to print those small and complex prototypes. For large prototypes, cnc machining is more cost-effective.

to sum up, when the prototype factory makes the prototype model, it usually uses CNC machining, vacuum re-molding and 3d printing.


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