Engraving rapid prototyping:

該技術(shù)的成型精度較高，不受材料和外形影響，可彌補(bǔ)一般機(jī)械大刀具的加工缺點(diǎn)。應(yīng)用范圍：紫銅電極、首飾花紋、電鑄模型、建筑模型、標(biāo)牌等

This technology has high forming accuracy and is not affected by materials and shapes, which can compensate for the processing shortcomings of general mechanical large cutting tools. Application scope: copper electrodes, jewelry patterns, electroforming models, building models, signs, etc

激光快速成型

Laser rapid prototyping

激光快速成型由原材料的不同分為SLA和SLS兩種。

Laser rapid prototyping is divided into SLA and SLS based on different raw materials.

SLA是采用立體雕刻原理的一種工藝，又稱光敏樹脂選擇性固化，是更早出現(xiàn)的一種快速成型技術(shù)。過(guò)程是：在樹脂槽中盛滿液態(tài)光敏樹脂，它在紫外激光束的照射下會(huì)快速固化。成型過(guò)程開始時(shí)，可升降的工作臺(tái)處于液面下一個(gè)截面層厚的高度，聚焦后的激光束，在計(jì)算機(jī)的控制下，按照截面輪廓的要求，沿液面進(jìn)行掃描，使被掃描區(qū)域的樹脂固化，從而得到該截面輪廓的樹脂薄片。

SLA is a process that adopts the principle of three-dimensional carving, also known as photosensitive resin selective curing, and is the earliest rapid prototyping technology that emerged. The process is to fill the resin tank with liquid photosensitive resin, which will quickly solidify under the irradiation of ultraviolet laser beams. At the beginning of the molding process, the adjustable worktable is at a height of a cross-sectional layer thickness below the liquid level. The focused laser beam is scanned along the liquid level according to the requirements of the cross-sectional profile under the control of a computer, allowing the resin in the scanned area to solidify, thereby obtaining a resin thin sheet of the cross-sectional profile.

然后，工作臺(tái)下降一層薄片的高度，以固化的樹脂薄片就被一層新的液態(tài)樹脂所覆蓋，以便進(jìn)行第二層激光掃描固化，新固化的一層牢粘結(jié)在前一層上，如此重復(fù)，直到整個(gè)產(chǎn)品成型完畢。進(jìn)行清洗、去處支撐、二次固化以及表面光潔處理等。

Then, the workbench descends by one layer of thin film height, and the cured resin thin film is covered by a new layer of liquid resin for the second layer of laser scanning curing. The newly cured layer is firmly bonded to the previous layer, and this is repeated until the entire product is formed. Finally, cleaning, removing support, secondary curing, and surface finishing treatment are carried out.

光敏樹脂選擇性固化快速成型技術(shù)適合于制作中小形工件，能直接得到樹脂或類似工程塑料的產(chǎn)品。SLA快速原型的手板表面質(zhì)量較好、系統(tǒng)分辨率高、成型精度較高。

The selective curing rapid prototyping technology of photosensitive resin is suitable for producing small and medium-sized workpieces, and can directly obtain resin or similar engineering plastic products. The SLA rapid prototype has good surface quality, high system resolution, and high molding accuracy.

SLS的加工方法與SLA技術(shù)相似，但用粉末原料取代了液態(tài)光聚合物，并以一定的掃描速度和能量作用于粉末材料。在成形過(guò)程中，激光參數(shù)以及粉末的特性和燒結(jié)氣氛是影響燒結(jié)成形質(zhì)量的重要因素。SLS快速原型能生產(chǎn)更硬的手板，而且可以采用多種原料，例如絕大多數(shù)工程用塑料、蠟、金屬、陶瓷等，零件的構(gòu)建速度高，無(wú)需對(duì)零件進(jìn)行后矯正，無(wú)需設(shè)計(jì)和構(gòu)造支撐。

The processing method of SLS is similar to SLA technology, but it replaces liquid photopolymer with powder raw materials and acts on powder materials at a certain scanning speed and energy. During the forming process, laser parameters, powder characteristics, and sintering atmosphere are important factors that affect the quality of sintering forming. SLS rapid prototyping can produce the toughest hand boards and can use a variety of raw materials, such as the vast majority of engineering plastics, wax, metal, ceramics, etc. The construction speed of parts is high, without the need for post correction, design, and construction support.

CNC快速成型

CNC rapid prototyping

CNC在機(jī)械加工業(yè)用處廣泛，技術(shù)相對(duì)成熟。用于手板加工。效果以及精度也非常好，考慮的手板加工手段。

CNC is widely used in the mechanical processing industry and its technology is relatively mature. Used for hand board processing. The effect and accuracy are also very good, and the first consideration is the hand board processing method.