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根据我厂单件小批量生产和以修为主的特点,我们制造了一种简易镗头。它适于在镗床、铣床、钻床及车床上使用,能加工孔的端面和在孔内切槽等,镗孔时可微量进刀,刻度每格进刀量为0.005毫米。传动结构见图1。连接件1的锥柄装在机床的主轴锥孔里,另一端与镗头主体25通过螺纹联接。71个齿的固定齿轮5通过圆柱销键4固定在镗头主体25上。走刀圈7内装一个小齿轮9,小齿轮9分别与71个齿的固定齿轮和70个齿的活动齿轮10相啮合,70个齿的活动齿轮与盘旋扣盘12联接
According to our factory a single small batch production and repair-based features, we have created a simple boring head. It is suitable for boring machine, milling machine, drilling machine and lathe, can process the end face of the hole and cut in the hole, etc., can be a small amount of boring knife, the graduation of each infeed 0.005 mm. Transmission structure shown in Figure 1. The taper shank of the connecting piece 1 is installed in the spindle taper hole of the machine tool and the other end is connected with the boring head main body 25 by threads. The 71-tooth fixed gear 5 is fixed to the boring head body 25 by means of the stud pin 4. Walking knife 7 built a pinion 9, the pinion 9 and 71 fixed gear teeth and 70 gear meshing with the movable gear 10, 70 teeth of the movable gear and the disc buckle disc 12 is coupled