Generally speaking, the hand board is one or several functional templates made according to the product appearance drawing or structure drawing to check the rationality of appearance or structure without opening the mold. At present, the hand board is also called the first board in different places.
According to the manufacturing methods, the hand board can be divided into hand board and NC hand board:
(1) Manual hand board: its main workload is completed by hand. There are two kinds of hand boards: ABS hand board and clay hand board
(2) CNC hand board: its main workload is completed by CNC machine tools. According to the different equipment used, it can be divided into laser rapid prototyping (SLA) hand board, machining (CNC) hand board and RP hand board (3D printing).
A: RP hand board: it is mainly produced by 3D printing technology. The hand board made of laser rapid prototyping is commonly known as SLA hand board, but laser rapid prototyping is one of 3D printing.
B: CNC hand board: it is mainly produced by processing.
The advantage of the hand board is that it can accurately reflect the information expressed in the drawing, and the surface quality of the CNC hand board is high, especially after the surface spraying and silk screen printing, it is even more glorious than the products produced after opening the mold. Therefore, the CNC hand board manufacturing has increasingly become the mainstream of the hand board manufacturing industry.
The necessity of making a hand board
All kinds of products are updated rapidly, but consumers are more and more picky about the appearance and function of products, which tests whether an enterprise's R & D level can stand the test of the market. In order to quickly test the feasibility of product design, making a hand board is a notifiable way at present.
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