The hole in the cylinder of the motor brake produced by our factory is Φ80_0~(+0.03)mm, the boring hole of 187mm, and the bottom has an empty sipe with a width of 8mm, and the surface roughness is required to be R_a0.8. After turning, our factory does not have a dedicated internal grinding machine for internal hole grinding. Due to the tight time and small batch size, there is no need to make a special inner hole rolling tool or honing head. So we used a rolling bearing to make a simple inner hole rolling tool for the test roll, the effect is good, it is introduced as follows.
Dry Floor Fountain,Musical Fountain,Outdoor Water Features,Music Dancing Fountain
Guangzhou Dewy water fountain Technology Co., LTD , https://www.dewywaterfountain.com