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BGL Bathroom Hardware factory how to do polishing hardware

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Hardware polishing process can be divided into polishing and polishing. The two parts of the process and methods are summarized as follows:

 

Polishing: The main goal of polishing stainless steel welding parts is to remove the solder joints and reach the workpiece with surface roughness of R10um to prepare for light.

 

The grinding part has three processes: rough grinding, semi-fine grinding, fine grinding

 

The details are as follows:

 

1. Visual inspection shall be carried out on the workpiece transferred from the previous process to the polishing process, such as whether there is leakage welding, welding penetration, uneven depth of welding spot, too far away from the joint, local sag, uneven butt, whether there is deep scratch, bruise, serious deformation and other defects that cannot be remedied in this process. If there are the above defects, it shall return to the previous process for dressing. If there is no such defect, enter the polishing process.

 

 

2, rough grinding, with 600# sand belt grinding workpiece on the product round trip, the process to achieve the goal is to remove the workpiece welding left welding spot, as well as in the previous step of the process of collision, to achieve the initial shape of the welding joint, horizontal plane and vertical plane basically no big scratch, no collision, after this step of the workpiece surface roughness should be up to R0.8mm. Pay attention to the inclination Angle of the belt sander and control the pressure of the belt sander on the workpiece in the polishing process. Generally speaking, it is more moderate to form a straight line with the thrown surface!

 

 

3, semi-fine grinding, grinding products with 800# belt in accordance with the previous round trip grinding workpiece method, mainly on the previous process of joint correction and coarse grinding produced by further fine grinding, the impression left by the previous process to repeatedly grinding, to achieve no scratches on the surface of the workpiece, basic brightens. The surface roughness of this process should be able to reach R0.4mm. (Be careful not to produce new scratches and bruises in this process, because such defects cannot be repaired in the following process.)

 

 

4. Fine grinding, 1000# sand belt is mainly used to correct the fine lines in the previous step. The grinding method is the same as above. The goal of this process is that the joint between the grinding part and the ungrinding part of the workpiece basically disappears, and the surface of the workpiece is further polished. The workpiece after grinding through this process should be basically close to the mirror effect, and the surface roughness of the workpiece should reach R0.1mm

 

 

5. Instructions on the replacement of abrasive belt: Generally speaking, 6-8 pieces of 1500mm long abrasive belt can be polished with 600# abrasive belt, 4-6 pieces of abrasive parts can be polished with 800# abrasive belt, and 1-2 pieces of abrasive parts can be polished with 1000# abrasive belt. The specific situation depends on the welding spot of the workpiece, the pressure used in polishing, and the way and method of polishing. In addition, it should be noted that the replacement of the sand belt must ensure that the sand belt can rotate smoothly on the sponge wheel, so as to achieve the purpose of grinding the workpiece evenly.

 

 

Semi-fine grinding, grinding products with 800# belt in accordance with the previous round trip grinding workpiece method, mainly on the previous process of joint correction and coarse grinding produced by further fine grinding, the impression left by the previous process to repeatedly grinding, to achieve no scratches on the surface of the workpiece, basically brightening. The surface roughness of this process should be able to reach R0.4mm.

 

Fine polishing, with 1000 emery cloth is mainly to adjust the cutting of the fine lines of the previous step process, and the cutting way is the same as above. The overall goal of this process flow is to achieve a part of the cutting and product workpiece not cut part of the joint foundation fade, product workpiece surface further bright, according to the process flow after cutting the product workpiece to base close to the actual effect of mirror glass, product workpiece roughness should be able to do R0. millimeter

 

Hardware polishing process can be divided into polishing and polishing and luminous two parts. Now the two parts of the processing process and methods are summarized as follows: polishing: stainless steel welding parts polishing the key overall goal is to get rid of spot welding, roughness for R10um product workpiece, to prepare for luminescence. Polishing part of the three process: fine grinding, semi-fine grinding, rough grinding

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