Camping Lamp,Portable Retro Camping Lamp,Led Camping Lamp,Creative Camping Lamp Land of Lights Electric Appliance Co., LTD , https://www.loloutdoorlight.com
Our factory undertakes a batch of foreign trade parts with a hole diameter of φ25～φ27mm, a depth of 200mm, a hole surface roughness value of R_a0.8 and an accuracy of IT8. In the process of processing, due to the relatively large diameter of these pieces, it is impossible to process with the internal grinding machine. To this end, we have designed a deep-hole aid, which works well. The structural principle of the auxiliary device is as shown in the figure. The head of the shaft 6 is coupled with the grinding wheel 2, and is supported by the bearing 5 near the two ends of the shaft 6, and the tail of the shaft 6 is coupled with