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The manufacture of housing prototype is mainly verified by the way of mould-free molding or simple mould sand casting with low cost and short cycle. With the acceleration of global vehicle research and development, the time to market of new cars is getting shorter and shorter, and the design changes are more frequent, the rhythm and method of the original prototype trial production can no longer adapt to the new market, which has spawned the change of the prototype trial production industry, requiring faster and better accurate verification of the design. At present, the trial production of shell is mainly used for bench test, lubrication test, winter (summer) season test, calibration and so on. In the process of electric drive research and development, there are three types of shell trial production. It can be manufactured by CNC engraving, sand casting, transparent acrylic(PMMA/PC) 3D Printing.
1, transparent shell trial-production variety classification
The shell of the whole machine is transparent and divided into two methods: integral and splicing.
(1) The overall method: the overall use of PC, PMMA two kinds of plastics for engraving. The advantage is that the whole is firm and not easy to leak. The relative cost is also slightly higher.
(2) Splicing method: According to the structure, in order to save costs (materials and processing costs), stratified processing is carried out, and special glue is spliced and reinforced through manual processing. The advantage is that the cost is relatively low. The disadvantage is that there will be oil leakage or oil seepage during the experiment, and the strength is relatively weak.
2, transparent sample technology
Process analysis → Programming → Preparation of materials and tools → roughing → blank placement (release of internal stress → grinding and polishing → finishing → secondary polishing → Finished product
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Main Product:
3D CNC Milling Prototype,
CNC Machining ,
Automobile Prototypes parts,
Construction Machinery Prototype Parts,
Medical Device Prototype Parts,
Sand Casting
