加工φ16、φ23、φ25、φ28、φ48内孔,加工设备C 620,零件的定位部位如图1。该夹具(图2)分两部份组装而成:夹具的基础部份和工件的定位、夹具的旋转部份。夹具第Ⅰ部份:由一块φ360的圆形基础板,两块26×45×60镗孔支承,两块90×60×20长方形垫板,两块60×60×20方形垫板,十字定键等组成。通过圆形基础板的直槽、镗 Processing φ16, φ23, φ25, φ28, φ48 bore, processing equipment C 620, parts of the positioning of parts shown in Figure 1. The fixture (Figure 2) consists of two parts assembled: the basic part of the fixture and the positioning of the workpiece, the rotating part of the fixture. Fixture Part I: A circular φ360 base plate, two 26 × 45 × 60 boring support, two 90 × 60 × 20 rectangular plate, two 60 × 60 × 20 square plate, cross set Keys and other components. Through the circular base plate straight slot, boring