Tuowei shares five basic precautions in the process of prototype production of mobile phones

tuowei shares five basic precautions in the process of prototype production of mobile phones. The Shell made by the prototype model of mobile phones is becoming more and more compact and exquisite, and the surface design is very streamlined, the cooperation between the parts is also very strict, so the accuracy of the mobile phone prototype model is getting higher and higher, especially when it comes to the matching part. First, the 2D engineering drawing given by the factory is constructed as a 3D solid drawing, then the processing process is developed according to the 3D entity, and then the prototype production is programmed and processed. Using CIMATRON to build 3D, the material used in the prototype of the mobile phone is Plexiglass. Since there are many keys and concave cavities for installing the screen on the prototype, and the prototype is relatively thin, the matching position is only 0. 7mm, therefore, there are mainly the following points and precautions for the prototype production and processing :(1) The prototype process route is formulated. According to the workpiece, it must be processed twice. First, the inner wall of the mobile phone case is processed and the benchmark is milled; Flip another 180. Clamping, machining the outer surface and the position of the key screen. If the outer surface is processed first and then the inner wall is processed, it is difficult to locate the clamp for secondary processing. (2)The wall thickness of the mobile phone is only 1. 5mm, when processing the outer surface, it is easy to deform and break. It is necessary to fill in the processed cavity as a support (In this case, gypsum is used as filler). The through hole part should be avoided first (Display screen, key hole) , Then fill the plaster, otherwise it is difficult to separate the finished product and the filler. (3) First restore the trimmed surface, cover the surface through hole position of the prototype model of the mobile phone, perform the whole surface processing, and then dig the slot to complete the through hole processing. In order to avoid the ups and downs of the knife Road when processing to the through hole part, the cutting force is uneven, resulting in over-cutting, collapse angle, collapse angle, and damage to the finished product. (4) Pay attention to milling the reference cut angle first, so as not to flip the embryo material when loading the clamp (Semi-finished products)Wrong direction. (5) Pay attention to the simulation of cutting in the prototype production process, check the error, post-processing, and enter the numerical control processing.

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