Must choose the cold rolled stainless steel sheet before making polished job.
Let’s introduce the steps of polished treatment by taking an example for polishing equipment by 250 mesh .
First,use the dry vane wheel to polish by 80 mesh. Then use the dry vane wheel to polish into 200 mesh.Thirdly ,use the dish to polish the equipment into 240 mesh.At last,use the dish to polish into 250 mesh. Remember to use burlap dish to finish the final polished job.This is the basic steps for polished treatment by hands. Now more and more customers to use machine to make polished on screw conveyors and other stainless steel equipment,which save a lot of time.
Sometimes we will receive request on polished treatment of stainless steel conveyors. The grades of polished treatment is as below form :
Item No | Polished grade | Equal to standard | Equal to standard | Photos |
1 | 400 mesh | Ra0.1~0.2μm | Rz0.8-1.6μm | |
2 | 350 mesh | Ra0.2~0.3μm | Rz01.6-2.4μm | |
3 | 300 mesh | Ra0.3~0.4μm | Rz2.4-3.2μm | |
4 | 250 mesh | Ra0.4~0.6μm | Rz3.2-4.8μm
| |
5 | 200 mesh | Ra0.6~0.8μm | Rz4.8-6.3μm | |
6 | 150 mesh | Ra0.8~1.6μm | Rz6.3-9.4μm | |
7 | 100 mesh | Ra1.6~3.2μm | Rz9.4-12.5μm
| |
www.wxconveyor.com