The hand board model plays a key role in the R & D stage of the enterprise. It can detect the defects of the product appearance and structure. Most enterprises will find the hand board factory to verify the hand board after the completion of the drawing design. 3D drawing is an essential link for the production of the hand board model.

　　3D图也叫三维立体图，它能够通过眼睛的视觉成像系统的重合和分离，让观者能够地清楚其设计结构，对图中隐含的图像一目了然。

　　3D image is also called three-dimensional image. It can make the design structure clear and the hidden image clear through the superposition and separation of the visual imaging system of the eyes.

　　而手板制作企业则可以通过3D图更加清楚、了解客户所做手板模型的尺寸大小，内部结构复杂度与产品外观效果，判断一个手板模型生产所需要的时间，能够准确、快捷地给客户报价和交期。

　　However, the handboard manufacturer can know the size, internal structure complexity and product appearance of the handboard model made by the customer more clearly through the 3D diagram, judge the time required for the production of a handboard model, and accurately and quickly quote and deliver the price to the customer.

　　同时不管是CNC加工还是SLA激光快速成型或者是3D打印加工都需要3D图来进行编程的，然后根据设计产品的功能选择相应的材料。

　　At the same time, no matter CNC processing, SLA laser rapid prototyping or 3D printing processing, 3D graphics are needed for programming, and then the corresponding materials are selected according to the functions of the designed products.

　　在手板制造行业中，不管是CNC加工、3D打印还是硅胶复模的加工方式，都需要客户提供3D图才可以制作，手板厂一般能打开3D图纸格式有STP、IGS、PRT等，有些图纸的格式是无法打开的，所以在交付工厂制作手板前，需要先询问合适的3D图纸格式。

　　In the handboard manufacturing industry, whether it is CNC processing, 3D printing or silicon replica processing, the customer is required to provide 3D drawings before production. Generally, the handboard factory can open 3D drawing formats, such as STP, IGS, PRT, etc., and some drawing formats cannot be opened. Therefore, before delivering the handboard to the factory for production, it is necessary to inquire the appropriate 3D drawing format.

　　就目前而言，制作手板主要方式主要有CNC加工、3D打印、真空复模、模具注塑等工艺。虽然这些制作技术的工作原理各不相同，但是，毋庸置疑的是都必须要用到3D图纸。

　　At present, the main ways of making handboards are CNC processing, 3D printing, vacuum re molding, mold injection molding and other processes. Although the working principles of these manufacturing technologies are different, there is no doubt that 3D drawings must be used.

　　CNC加工的基本原理就是数控车床给加工路线指车刀从对刀点或机床固定原点开始运动起，直返回该点并结束加工程序所经过的路径，包括切削加工的路径及刀具切入、切出等非切削空行程路径，而这些路径的设定都需要根据3D图纸来设定的。

　　The basic principle of CNC machining is that the machining path given by CNC lathe refers to the path through which the turning tool moves from the tool setting point or the fixed origin of the machine until it returns to the point and ends the machining program, including the path of machining and the path of non cutting empty stroke such as cutting tool cut in and cut out, and the settings of these paths need to be set according to 3D drawings.

　　3D打印是一种数字模型文件为基础，运用特殊蜡材、粉末状金属或塑料等可粘合材料，通过打印一层层的粘合材料来制造三维的物体。

　　3D printing is a kind of digital model file based on which three-dimensional objects are made by printing layers of adhesive materials, such as special wax, powder metal or plastic.

　　现阶段3D打印机被用来制造产品。逐层打印的方式来构造物体的技术。3D打印机的原理是把数据和原料放进3D打印机中，机器会按照程序把产品一层层造出来。

　　At this stage, 3D printers are used to make products. The technique of building objects by printing them layer by layer. The principle of 3D printer is to put data and raw materials into 3D printer, and the machine will build products layer by layer according to the program.

　　真空复模技术是利用产品原型,如：快速原型件、样件、手板在真空状态下制作出硅胶模具，并在真空状态下采用PU材料进行浇注，从而克隆出与产品原型相同的复制件。而这个复模手板的原型就是通过CNC加工或者3D打印做出来的，所以做复模手板也需要3D图纸。

　　The vacuum replica technology is to use the product prototype, such as rapid prototype, sample and hand plate to make silica gel mold in vacuum state, and use PU material to pour in vacuum state, so as to clone the same replica as the product prototype. The prototype of the hand board is made by CNC processing or 3D printing, so 3D drawings are also needed to make the hand board.

　　如果没有3D图怎么办？遇到这种情况的话，如果有产品实物也是可以做手板的，只需要将实物拿去抄数来画3D图就可以，或者寻找有设计能力的手板制作公司帮助设计图纸。

　　What if there is no 3D map? In this case, if there is a real product, it can also be made of handboards. You only need to copy the real product to draw 3D drawings, or find a handboard making company with design ability to help design drawings.