手板模型定制加工行业里面，要想不出错也是不可能的，那么出错后我们应该如何补救呢？一般可用补救材料填在过切或错切的地方。在手板行业中常用的补救材料是原子灰或502胶水混合痱子粉。

In the hand model customization processing industry, it is impossible to make no mistakes, so how should we remedy the mistakes? Generally, remedial materials can be used to fill the over cut or wrong cut places. The commonly used remedial material in the hand board industry is atomic ash or 502 glue mixed with prickly heat powder.

502胶水混合痱子粉：取适量痱子粉加入502胶水调成稀糊状即可。将调好的材料填入过切的地方待干后再补加工一下。

502 glue mixed with prickly heat powder: take an appropriate amount of prickly heat powder and add 502 glue to make it into a thin paste. Fill the adjusted material into the over cut place and wait for it to dry before processing.

补救前提是：工件为非透明件，透明工件是不许有粘接痕迹的。一般都是针对塑胶件进行补救，非透明件有：ABS，POM，PA。透明件有：PMMA，PC。

The remedy premise is: the workpiece is non transparent, and the transparent workpiece is not allowed to have bonding traces. Generally, plastic parts are used for remedy. Non transparent parts include ABS, POM, PA. Transparent parts: PMMA, PC.

原子灰为胶状粘稠物，需要配合催干剂才能凝固。进口原子灰较贵，如：德国Bentex-autodody-filler，为100多/250克；国产原子灰较便宜，为50多/850克。

Atomic ash is a colloidal viscous substance, which needs to be combined with a drying agent to solidify. The price of imported atomic ash is relatively expensive, such as bentex autodody filler in Germany, which is more than 100 /250 grams; Domestic atomic ash is cheaper, with a price of more than 50 /850 grams.

另外在加工过程中，以及在凝固的时候会把浇口开到比较薄的区域，在这里将冷铁放上去了以后，手板上各个部位的温度都是一样的，就可以在同时完成凝固了。

In addition, during processing and solidification, the gate will be opened to a relatively thin area. After the cold iron is placed here, the temperature of all parts on the hand board is the same, and solidification can be completed at the same time.

通过这种方式来进行加工，虽然可以减少手板当中的内应力，但是另外也可能会有缩孔的问题。因此，在同一时间内完成凝固处理大部分是用在一些收缩不是很大的铸铁等材料当中。因为这些材料一般是不会有缩孔的问题的。

Processing in this way can reduce the internal stress in the hand board, but there may also be shrinkage problems. Therefore, most of the solidification treatment completed at the same time is used in some materials such as cast iron with small shrinkage. Because these materials generally do not have the problem of shrinkage.

济南手板加工人员提示，尤其是PMMA也是我们俗称的有机玻璃，因为材料性能的特殊性，很脆易裂，又不能有粘接痕迹，所以在加工过程中要特别注意，一旦下刀过快，整个材料有可能会断裂，那么整个手板就报废，因此PMMA手板样件也是较其他手板较贵的。

Jinan hand board processing personnel pointed out that PMMA, in particular, is also commonly known as plexiglass. Because of the particularity of material properties, it is brittle and easy to crack, and there can be no bonding traces, so special attention should be paid in the processing process. Once the cutting is too fast, the whole material may break, and then the whole hand board will be scrapped. Therefore, PMMA hand board samples are also more expensive than other hand boards.

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