How is the prototype made?

under normal circumstances, there are probably so many steps to make a prototype: first, the customer provides 3d drawings, after receiving the customer's 3d drawings, the prototype factory began programming, then CNC machining or 3d printing, and then went through a series of surface treatment processes, such as polishing, fuel injection, silk screen printing, electroplating, etc, after testing and packaging, you can send it to the customer. Although the approximate steps are like this, the different features between prototypes will lead to different processing methods.

If the customer requires a metal prototype, most of it is still CNC machining, although some metal materials (Such as stainless steel, titanium alloy, etc) The prototype can be printed in 3d, but the cost is relatively high and the surface is rough, so it is generally used less. The prototype accuracy of CNC machining metal parts is relatively high, and the price is not so high, which is a good choice.

If the customer is going to do the prototype is small and complex, using 3d printing is a good choice, because 3d printing is mainly charged according to the weight of the material and the work time, and has nothing to do with the complexity of the prototype. If the large prototype is 3d printed, it is obviously not cost-effective. Maybe you will ask: how to do better with such a complicated large prototype. The answer is CNC machining, but such a large prototype needs to be disassembled, and then welded back after splicing it back. If it is metal, the dismantling is done.

If the customer is going to do prototype of small batch, the processing method used can only be vacuum re-mold and low-pressure perfusion. They all make a prototype first through the prototype or the physical object, and then use the prototype to make the silicone mold, the batch copy is carried out through the silicone mold, but the vacuum compound mold is aimed at the small plastic prototype, and the low pressure pouring is used to make the large plastic prototype, such as the bumper.

The above details show you how the prototype is made, hope to help you.

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