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我厂为解决加工如图1所示.的内球面轴承座,而设计制造了如图2所示的镗杆,装在皮带车床上,解决了生产关键。镗杆1用三爪卡盘夹固和用特制顶尖15支承,刀杆3用轴4安装在镗杆1的长槽中,一端夹固刀头5,另一端通过销轴2与连杆6相连。连杆6另一端通过销轴7与螺母8相连。转动丝杠9,可使螺母8在镗杆1的燕尾
I plant to address the processing shown in Figure 1. Inner spherical bearing, and design and manufacture of the boring bar shown in Figure 2, installed in the belt lathe, to solve the production key. The boring bar 1 is clamped by a three-jaw chuck and supported by a special top 15, the boring bar 3 is mounted on the long groove of the boring bar 1 by a shaft 4, one end of the boring bar 5 clamps the cutting head 5 and the other end is connected with the connecting rod 6 Connected. The other end of the connecting rod 6 is connected with the nut 8 through a pin 7. Rotating the screw 9 allows the nut 8 to be swallowed at the boring bar 1