手板模型制作工藝后處理打磨的方法一般可以分為濕打磨，機(jī)械打磨和干打磨三種。（1）機(jī)械打磨：大面積施工時(shí)，為了提高工作效率，可采用機(jī)械打磨方法，如電動(dòng)打磨機(jī)圓盤式和振動(dòng)式。（2）干打磨：采用砂紙進(jìn)行打磨。適用于硬而脆的漆種的打磨，其缺點(diǎn)是操作過程中將產(chǎn)生很多粉塵，影響環(huán)境衛(wèi)生。（3）濕打磨：用水砂紙蘸水或肥皂水打磨。水磨能減少磨痕，提高涂層的平滑度，并且省砂紙、省力。但水磨后應(yīng)注意噴涂下層油漆時(shí)，一是要等水磨層完全干透后才能涂下層油漆，否則漆層很容易泛白。另吸水性很強(qiáng)的底材也不宜水磨。

The post-processing and polishing methods for the production process of hand board models can generally be divided into three types: wet polishing, mechanical polishing, and dry polishing. (1) Mechanical polishing: In order to improve work efficiency during large-scale construction, mechanical polishing methods can be used, such as electric polishing machine disc type and vibration type. (2) Dry polishing: Use sandpaper for polishing. Suitable for polishing hard and brittle paint, its disadvantage is that a lot of dust will be generated during operation, which affects environmental hygiene. (3) Wet polishing: Use sandpaper dipped in water or soapy water to polish. Water grinding can reduce grinding marks, improve the smoothness of coatings, and save sandpaper and labor. However, attention should be paid to spraying the lower layer of paint after water grinding. Firstly, it is necessary to wait for the water grinding layer to completely dry before applying the lower layer of paint, otherwise the paint layer can easily turn white. Additionally, substrates with strong water absorption are not suitable for water grinding.

還有一種特殊的打磨方法：涂裝要求注明是“輕磨”的，例如對封閉漆、局部修補(bǔ)之后等，此時(shí)應(yīng)選用較細(xì)砂紙及熟手進(jìn)行，相反，就會適得其反。

There is also a special polishing method: the coating requirements should be noted as "light grinding", such as for sealing paint, after local repairs, etc. At this time, finer sandpaper and skilled hands should be used. On the contrary, it will be counterproductive.

打磨的時(shí)候應(yīng)該注意到問題，是需要用很粗的砂紙進(jìn)行粗加工打磨。去掉表面那層很粗的毛刺之后再進(jìn)行細(xì)紋的打磨。砂紙可以分為800，1000等等不同的等級。然后根據(jù)產(chǎn)品對表面的要求進(jìn)行不同的程度的打磨！一次打磨完畢之后，通過噴上一層原子灰，可以將產(chǎn)品表面的粗糙程度進(jìn)行放大。以可以達(dá)到用肉眼可以看到瑕疵的程度。后就可以有的進(jìn)行局部的修正，直到一件產(chǎn)品終完成全部的打磨過程。

When polishing, attention should be paid to the issue, first of all, coarse sandpaper needs to be used for rough machining and polishing. Remove the thick burrs on the surface before polishing with fine lines. Sandpaper can be divided into different grades such as 8001000. Then perform different degrees of polishing according to the surface requirements of the product! After one polishing, the roughness of the product surface can be amplified by spraying a layer of atomic ash. To the extent that defects can be seen with the naked eye. Afterwards, localized modifications can be made with focus until a product has completed the entire polishing process.

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