手板模型制作工艺后处理打磨的方法一般可以分为湿打磨，机械打磨和干打磨三种。（1）机械打磨：大面积施工时，为了提高工作效率，可采用机械打磨方法，如电动打磨机圆盘式和振动式。（2）干打磨：采用砂纸进行打磨。适用于硬而脆的漆种的打磨，其缺点是操作过程中将产生很多粉尘，影响环境卫生。（3）湿打磨：用水砂纸蘸水或肥皂水打磨。水磨能减少磨痕，提高涂层的平滑度，并且省砂纸、省力。但水磨后应注意喷涂下层油漆时，一是要等水磨层完全干透后才能涂下层油漆，否则漆层很容易泛白。另吸水性很强的底材也不宜水磨。

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.

还有一种特殊的打磨方法：涂装要求注明是“轻磨”的，例如对封闭漆、局部修补之后等，此时应选用较细砂纸及熟手进行，相反，就会适得其反。

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.

打磨的时候应该注意到问题，是需要用很粗的砂纸进行粗加工打磨。去掉表面那层很粗的毛刺之后再进行细纹的打磨。砂纸可以分为800，1000等等不同的等级。然后根据产品对表面的要求进行不同的程度的打磨！一次打磨完毕之后，通过喷上一层原子灰，可以将产品表面的粗糙程度进行放大。以可以达到用肉眼可以看到瑕疵的程度。后就可以有的进行局部的修正，直到一件产品终完成全部的打磨过程。

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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