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我厂生产1105W型柴油机,机体孔加工是用自制液压半自动组合镗床加工,12个孔同时镗削,孔径φ38～φ206,精度2～4级。每次换刀时,镗刀调整很费工时,尺寸也不稳定。为此,我们革新了镗孔对刀工具。镗孔对刀工具结构如图1,由后支架3、前夹紧架8和本体16组成。千分表12由表头夹子10、支杆夹子11、支杆13固定在前夹紧架上。带V型槽的后夹紧套5,套在螺纹紧杆2的前端。
I plant the production of 1105W diesel engine, body hole machining is self-made hydraulic semi-automatic combination boring machine processing, 12 holes at the same time boring, aperture φ38 ~ φ206, accuracy of 2 to 4. Each time the tool change, boring knife adjustment is laborious, the size is not stable. To this end, we have revolutionized the boring tool. Boring knife tool structure shown in Figure 1, the rear bracket 3, the front clamping frame 8 and the body 16 components. Dial indicator 12 by the header clip 10, strut clip 11, strut 13 is fixed to the front clamping frame. Rear clamping sleeve with V-groove 5, set in the front of the threaded rod 2.