The thin-walled sleeve shown in Fig. 2 is processed. In addition to the requirements shown in the figure, the inner and outer circles also have a coaxiality tolerance of 0.02 mm. (1) The fixture design and processing can first process the inner hole and one end face. At this time, a large margin is left, and the open transition ring is used for clamping; in the last process, the outer circle is processed by the clamp clamp shown in FIG. The core component of the clamp is an elastic sleeve 5, and a pair of taper sleeves 2 and 6 are mounted on the mandrel 1. When the nut 8 is turned to move to the right, the sleeve sleeve gives a radial force to the elastic sleeve, and the workpiece 4 is inflated and reversed. The workpiece is loosened when the direction is turned. The positioning pins 3 and 7 are for preventing relative rotation between the elastic sleeve and the sleeve and the sleeve and the spindle. The clamp uniformly applies the clamping force to the inner surface of the workpiece, which not only reduces the machining error caused by the deformation of the workpiece, but also improves the positioning accuracy by eliminating the radial gap, and can well ensure the same inner and outer circle. Axis requirements. Figure 3 elastic mandrel 1. Mandrel 2, 6. Cone sleeve 3, 7. Positioning pin 4. Workpiece 5. Elastic sleeve 8. Nut (2) The selection of tool geometry parameters is shown in Figure 4. (3) The selection of the cutting amount of fine car is shown in the attached table. (4) It is shown by the actual cutting process that the above clamps are used for clamping, and the deformation is small, and the shape and the coaxiality can be ensured. The selection of tool geometry parameters and cutting amount is also reasonable, and the requirements of the workpiece are obviously improved. For more articles, please refer to "Metal Processing" Cold Processing 2008 No. 1 Previous page Kitchen & Bathroom Accessories Kitchen & Bathroom Accessories,Stainless Floor Drain,Bathroom Bidet Sprayer,Bathroom Jet Sprayer Kit kaiping aida sanitary ware technology co.,ltd , https://www.faucetkpaida.com
2. Examples 
Figure 2 thin wall cover 
Figure 4 tool geometry parameters 