Handban model making process mainly includes the following aspects:
(1) from the perspective of industrialization: handbag is the process of transforming the pattern of industrial design into a real sample.
(2) FROM the perspective of CAD design: to put it simply, after the product design is completed, in order to verify the correctness of the design, CNC processing is the main way to make the same samples as the product.
Common CNC hand model production is a 3D map programming input to the CNC machining center for processing, but also through laser rapid prototyping. Most of the materials are photosensitive resin, under the action of light layer by layer accumulation process, high precision. Now most of the hand board is numerical control
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CNC machining has the following advantages:
(1) Greatly reduce the number of tooling, processing parts with complex shapes do not need complex tooling. If you want to change the shape and size of parts, only need to modify parts processing procedures, suitable for new product development and modification.
(2) Stable processing quality, high machining accuracy (0.001MM), high repetition accuracy, to meet the processing requirements of aircraft.
(3) In the case of multiple varieties and small batch production, the production efficiency is higher, which can reduce the time of production preparation, machine tool adjustment and process inspection, and reduce the cutting time due to the use of the best cutting amount.
(4) it can process complex surface which is difficult to be processed by conventional methods, and even some machining parts which cannot be observed.
The disadvantage of CNC machining is that the cost of machine tool equipment is expensive, and maintenance personnel are required to have a higher level.
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