加工：CNC加工是一種常用的手板模型加工工藝，特點是精度高、加工速度快、適用于各種材料。通過數控機床將設計好的CAD模型轉化為實際零件，可以實現復雜形狀和精確尺寸的加工。CNC加工的成本相對比較高，適用于有較高精度要求的手板模型制造。

Machining: CNC machining is a commonly used handmade model machining process, characterized by high precision, fast processing speed, and suitability for various materials. By using CNC machine tools to convert designed CAD models into actual parts, complex shapes and precise dimensions can be machined. The cost of CNC machining is relatively high, making it suitable for manufacturing hand models with high precision requirements.

打印：3D打印是一種逐層堆疊材料來制造物體的加工技術，具有快速、靈活、可定制化的特點。3D打印可以用于制造多種材料的手板模型，如塑料、金屬等。3D打印的精度和強度相對較低，不適合制造高精度要求的手板模型，但對于形態復雜、結構簡單的模型，3D打印可以提供較好的解決方案。

Printing: 3D printing is a processing technique that involves stacking materials layer by layer to manufacture objects, with the characteristics of being fast, flexible, and customizable. 3D printing can be used to manufacture prototype models of various materials, such as plastic, metal, etc. The accuracy and intensity of 3D printing are relatively low, making it unsuitable for manufacturing high-precision prototype models. However, for models with complex shapes and simple structures, 3D printing can provide a better solution.

快速銑削：快速銑削是一種以高速切削工具進行材料去除的加工技術，類似于CNC加工。快速銑削的優點是加工速度快，適用于加工各種材料，但相對于CNC加工，其加工精度和表面質量稍差。快速銑削技術適用于手板模型的成本較低、加工周期較短的情況。

Rapid milling: Rapid milling is a machining technique that uses high-speed cutting tools for material removal, similar to CNC machining. The advantage of fast milling is its fast processing speed, which is suitable for processing various materials. However, compared to CNC machining, its machining accuracy and surface quality are slightly inferior. Rapid milling technology is suitable for situations where the cost of hand models is low and the processing cycle is short.

壓鑄：壓鑄是一種通過注射成型制造金屬或塑料零件的加工工藝。壓鑄可以實現高精度、大批量、復雜形狀的手板模型制造。壓鑄的成本較高，制造周期相對較長。

Die casting: Die casting is a manufacturing process that uses injection molding to manufacture metal or plastic parts. Die casting can achieve high-precision, large-scale, and complex shape prototype manufacturing. The cost of die casting is relatively high, and the manufacturing cycle is relatively long.

拉伸、深沖：拉伸和深沖是一種將金屬片材在模具中通過機械力逐步形成所需形狀的加工工藝。這種加工工藝適用于制造薄壁零件和大面積曲面的手板模型。由于模具制造和加工難度較高，成本較高，適用于有特殊要求的手板模型制造。

Stretch and deep drawing: Stretch and deep drawing are processing techniques that gradually form the desired shape of a metal sheet in a mold through mechanical force. This processing technology is suitable for manufacturing thin-walled parts and large-scale curved hand models. Due to the high difficulty and cost of mold manufacturing and processing, it is suitable for the manufacturing of hand models with special requirements.

根據不同的精度要求，我們可以選擇合適的加工工藝。對于精度要求較高的手板模型制造，我們可以考慮采用CNC加工或壓鑄工藝。對于形態復雜、尺寸不那么嚴格的手板模型制造，可以選擇3D打印或快速銑削技術。當然，的選擇還要考慮相應的制造成本和制造周期等方面的因素。

According to different precision requirements, we can choose the appropriate processing technology. For the manufacturing of prototype models with high precision requirements, we can consider using CNC machining or die casting technology. For the manufacturing of hand models with complex shapes and less strict dimensions, 3D printing or rapid milling technology can be chosen. Of course, the final choice also needs to consider factors such as corresponding manufacturing costs and manufacturing cycles.

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