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汉江机床厂参照英国Matrix公司生产的7901型半自动丝锥磨床制造技术,研制成功一种SB7Z5型半自动丝锥磨床。该机床砂轮轴装有高精度的滚动轴承,采用高速润滑脂润滑,砂轮电机为装入式电机,其工件主轴支承采用高精度单列向心推力球轴承和单列圆柱滚子轴承,其主轴设计有间隙消除机构,可消除双向磨削时传动链的间隙。该机床还设有上下两个冷却喷嘴,可使冷却充
Hanjiang Machine Tool Factory in reference to the United Kingdom Matrix produced 7901 semi-automatic tap grinder manufacturing technology, the successful development of a SB7Z5 semi-automatic tap grinder. The machine tool grinding wheel shaft equipped with high-precision rolling bearings, high-speed grease lubrication, grinding wheel motor for the loading motor, the workpiece spindle bearings using high-precision single row radial ball bearings and single row cylindrical roller bearings, the spindle design gap Elimination of institutions to eliminate two-way grinding chain drive clearance. The machine also has two cooling nozzles up and down, allowing cooling charge