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手板模型加工方式之復(fù)模加工
來源：http://726kxw.com.cn作者：山東嘉瑞杰機(jī)械科技有限公司發(fā)布時(shí)間：2021-05-18
手板模型復(fù)模的制作工藝：
The manufacturing process of the replica of the hand board model is as follows
開模具方式有包模、刷模（分片模、立體模、平面模）、灌注模，這是根據(jù)產(chǎn)品的大小來決定的。
The mold opening modes include package mold, brush mold (divided mold, three-dimensional mold, plane mold) and pouring mold, which are determined according to the size of the product.
包模：先在模種上包一層厚度為3~5mm的泥土,做石膏外套，除去泥土漬脫模種，把攪拌好的硅膠和固化劑倒入套有模種的石膏外套，固化成 型。
Mold wrapping: first, wrap a layer of 3 ~ 5mm thick soil on the mold seed, make a plaster coat, remove the soil stains, demould the mold seed, pour the stirred silica gel and curing agent into the plaster coat with mold seed, and solidify.
刷模：一般刷三層式根據(jù)模具要求多層，一層刷在模種上抽真空，刷到位。二層貼紗布。第三層蓋面固化成型。
Brush mold: General brush three layers, according to the mold requirements of multi-layer, a layer of brush on the mold vacuum, brush in place. Two layers of gauze. The third cover is cured.
灌注模：把攪拌均勻的硅膠和固化劑倒入圍好模種的容器中，抽真空固化成型。有的不能直接取出模種的還須開刀脫模，以便生產(chǎn)順利。
Pouring mold: pour the silica gel and curing agent evenly into the container surrounding the mold seed, and vacuum to solidify. Some can not be directly taken out of the mold also have to cut demoulding, in order to smooth production.
手板硅膠特點(diǎn)：粘度低，流動(dòng)性好，好操作、縮水率小，不變形，縮率在千分之二。收縮率大的話，生產(chǎn)出的產(chǎn)品會(huì)變小，其他液體變成固 體后會(huì)變形、耐高溫。
Characteristics of handboard silica gel: low viscosity, good fluidity, easy operation, small shrinkage, no deformation, shrinkage of 2 / 1000. If the shrinkage rate is large, the product will be smaller, and other liquids will be deformed and resistant to high temperature when they become solid.
手板復(fù)模與CNC手板加工的區(qū)別：
The difference between the manual mould and CNC manual processing is as follows:
1、加工方式的區(qū)別：
1. Differences in processing methods:
采用的是車床加工需要一個(gè)一個(gè)手板的進(jìn)行鑼，而真空復(fù)膜則是做一個(gè)原版后，再根據(jù)原版做出一個(gè)硅膠模具后進(jìn)行復(fù)制。
The use of a lathe processing requires a manual Gong, and vacuum lamination is to make an original, and then according to the original to make a silicone mold to copy.
2、材料區(qū)別：
2. Material difference:
制作的手板一般的常見的ABS、PP、亞克力等材料，而真空復(fù)膜做出來確是妨ABS、PP、亞克力材料。
The hand board is made of common ABS, PP, acrylic and other materials, and the vacuum lamination is really harmful to ABS, PP, acrylic materials.
3、加工時(shí)間的區(qū)別：
3. Processing time difference:
真空復(fù)膜只要做出硅膠模具后就可復(fù)制，一般一個(gè)硅膠模具可出8-15個(gè)產(chǎn)品，時(shí)間上要比CNC加工快很多。
Vacuum lamination can be copied as long as the silicone mold is made. Generally, a silicone mold can produce 8-15 products, which is much faster than CNC processing.
4、精度區(qū)別：
4. Accuracy difference:
CNC加工的精度會(huì)比真空復(fù)膜出來的精度要高很多。
The precision of CNC machining will be much higher than that of vacuum laminating.
5、表面處理的區(qū)別：
5. Difference of surface treatment:
手板模型表面處理比如噴油，一般CNC制作出來的手板可以噴完油后放入烤箱烤干，而真空復(fù)膜出來的卻只能自然風(fēng)干。
Hand model surface treatment, such as oil spray, the general CNC made hand can spray oil into the oven to dry, while the vacuum film out of the hand can only dry naturally.
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