Advantages of plastic hand board proofing

一是验证外观，产品主要就是看看外观品质好不好，验证设计的外观是否完好。

First, verify the appearance. The main purpose of the product is to see whether the appearance quality is good and whether the design appearance is intact.

二是验证结构，主要是验证产品结构及装配是否合理。

The second is to verify the structure, mainly to verify whether the product structure and assembly are reasonable.

三是验证功能，实现跟真机一样的功能以及操作合理性。

The third is the verification function, which realizes the same function as the real machine and the rationality of operation.

三是参加展会，产品还没有上市的时候，利用这个手板来获取订单。

Third, when participating in the exhibition and the products are not on the market, use this hand board to obtain orders.

塑胶手板加工工艺

Plastic hand board processing technology

按工艺分：可分为CNC手板、3D打印手板、硅胶复模手板和低压灌注手板。

According to the process, it can be divided into CNC hand board, 3D printing hand board, silica gel replica hand board and low-pressure perfusion hand board.

1、硅胶复模手板

1. Silicone replica hand board

什么是硅胶复膜？硅胶复膜可以制作很多种材料，如PC和ABS，软胶。硅胶复膜又叫真空复模，需要3D打印或者CNC加工一个模型，之后后用原版来做好硅胶模具，然后将液体材料灌入硅胶模具，等液体材料凝固之后就形成了手板模型。

What is silicone lamination? Silicone lamination can be made of many materials, such as PC, ABS and soft glue. Silica gel lamination is also called vacuum lamination. First, a model needs 3D printing or CNC processing, and then the original version is used to make the silica gel mold, and then the liquid material is poured into the silica gel mold. After the liquid material solidifies, the hand model is formed.

2、CNC手板：就是通过CNC机器雕刻加工来生产手板的一种方式，这是手板加工的主流技术。

2. CNC hand board: it is a way to produce hand board through CNC machine engraving, which is the mainstream technology of hand board processing.

3、3D打印手板：目前使用较多的是SLA工艺技术，利用3D打印机，方便、快捷、便宜。可以快速的将复杂的手板模型制作出来。就是强度耐温性能较差，久了也会变色。

3. 3D printing hand board: SLA process technology is widely used at present. 3D printer is convenient, fast and cheap. It can quickly make complex hand model. Even if the strength and temperature resistance are poor, it will change color for a long time.

4、低压灌注手板

4. Low pressure perfusion hand board

什么是低压灌注？ 低压灌注又叫低压反应注射成型，就是将双组份聚氨酯材料经混合后，在常温、低压环境下注入快速模具内，通过材料的聚合、交联、固化等化学和物理过程形成制品。具备效率高、生产周期短、过程简单、成本低的优点。主要用于产品开发阶段的小批量试制，以及覆盖件、不均与壁厚等产品的小批量生产，已广泛应用于科技汽车等行业。

What is low pressure perfusion? Low pressure injection, also known as low-pressure reaction injection molding, is to mix two-component polyurethane materials and inject them into the rapid mold at room temperature and low pressure to form products through chemical and physical processes such as material polymerization, crosslinking and curing. It has the advantages of high efficiency, short production cycle, simple process and low cost. It is mainly used for small batch trial production in the product development stage, as well as small batch production of covering parts, uneven wall thickness and other products. It has been widely used in science and technology automobile and other industries.

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