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东莞手板厂的加工方法

文章出处:新闻中心 责任编辑:东莞市远宏精密模型有限公司 发表时间:2016-11-15
  

对于各类产品的精密要求越来越严格,很多企业都是先做个模型参考,而东莞手板厂就能为这些企业制造相应的模型,磅他们自己检测出相应的产品是否达到他们自己的要求。而东莞手板厂对手板的加工方法大致是分为两种:

(1)、激光快速成型:激光快速成型由原材料的不同分为SLA和SLS两种。

SLA是采用立体雕刻手法进行加工的手艺,是较早期出现的快速成型技术之一。

而激光快速成型得制造手艺过程是:

①在树脂槽中盛满液态光敏树脂,它在紫外激光束的照射下会快速固化。成型过程开始时,可升降的工作台处于液面下一个截面层厚的高度,聚焦后的激光束,在计算机的控制下,按照截面轮廓的要求,沿液面进行扫描,使被扫描区域的树脂固化,从而得到该截面轮廓的树脂薄片。

②工作台下降一层薄片的高度,以固化的树脂薄片就被一层新的液态树脂所覆盖,以便进行第二层激光扫描固化,新固化的一层牢粘结在前一层上,如此重复,直到整个产品成型完毕。

③进行清洗、去处支撑、二次周化以及表面光洁处理等。

光敏树脂选择性固化快速成型技术适合于制作中小形工件,能直接得到树脂或类似工程塑料的产品。

2、CNC快速成型

越来越多东莞手板厂在应用CNC机,技而且术相对成熟。用于清溪手板厂加工效果以及精度也非常好,为目前首先考虑的手板加工手段。

1, laser rapid prototyping (SLA/SLS)

Laser rapid prototyping by raw materials can be divided into different SLA and SLS two.

SLA is by using the three-dimensional carving (Stereolithography) principle of a kind of process, also called photosensitive resin selective curing, is the earliest appear a kind of rapid prototyping technology. The process is: in the resin tank filled with liquid photosensitive resin, it in the ultraviolet laser beam irradiation will fast curing. Molding process started, can lift the table in a liquid level next section thick height, focus after the laser beam, in under the control of computer, according to the requirements of the cross section profile, the liquid level scanned, make be scan area of the resin curing, thus obtains the cross section profile of the resin flake. Then, table drop a layer of wafer height, with solidified resin flake was a new layer of liquid resin covered, in order to carry on the second laser scanning curing, new curing layer firm bond in the previous layer, so repeated until the entire product after forming. The last place clean, support and secondary ZhouHua and smooth surface treatment etc.

SLS processing method and SLA technology similar, but with powder raw material replaced liquid light polymer, and with a certain scanning speed and energy effect on powder materials. In the forming process, the laser parameters and powder characteristics and sintering atmosphere is to influence the quality of sintering were important factors. SLS rapid prototyping can produce the most hard board, and can be utilized in a variety of materials, such as the vast majority of engineering plastic, wax, metal, ceramics, etc., the construction of high speed parts, no need for parts after correction, without design and structural support.

2, CNC rapid prototyping

CNC in mechanical processing industry use widely, technical relative mature. Used in qingxi plank factory processing effect and precision is also very good, as the first panel processing means.

 

相关搜索:东莞手板模型厂    东莞手板厂    手板模型制作

 

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