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可调式镗刀头该镗刀头已在专用多轴组合机床上试用,加工立式车床传动箱上直径110～230mm孔。在刀体12(图1)内安装镗刀块8,它由楔形夹紧元件10利用带导向螺纹的螺钉9夹紧,并由片簧11卡住以防脱落。其回转机构含有带三角齿的锥形销7,三角齿与刀体上类似齿相互作用。在轴3上安装双臂杠杆2、5,臂的侧面与镗刀块相互作用,并由螺钉1、6控制,而螺钉在垂直于杠杆回转轴平面内相互偏移—e值。杠杆与镗刀块和螺钉的恒定接触由弹簧4保证。如果镗刀块的刀尖分布在同一直径和垂直
Adjustable boring head This boring head has been tested on a special multi-axis machine tool, machining vertical lathe gearbox diameter 110 ~ 230mm hole. A boring block 8 is mounted in the tool body 12 (FIG. 1), which is clamped by a wedge-shaped clamping element 10 by means of a screw 9 with a screw thread and is stopped by a leaf spring 11 to prevent it from falling off. The slewing mechanism includes a tapered pin 7 with triangular teeth that interact with similar teeth on the body. The double-arm levers 2, 5 are mounted on the shaft 3 and the sides of the arms interact with the boring blocks and are controlled by the screws 1, 6 while the screws are offset from each other in the plane perpendicular to the axis of rotation of the lever by -e. The constant contact of the lever with the boring block and the screw is ensured by the spring 4. If the boring block tool nose distribution in the same diameter and vertical