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苏联列宁格勒金属工厂(ЛM3),在大型镗床上采用了如图所示新结构快速装卸式刀架,确保了镗刀在回转时的径向进给,克服了以往采用的装卸式刀架加工范围小、重量大等缺点。此刀架由本体1及与其相连的锥形尾部7等组成。尾部横向槽中插有销栓9,使刀架与镗床的可伸出心轴8相联。带有装刀器10的滑板,由装在刀架本体内的机构传动,沿其导轨径向移动。
The Leningrad Metal Works (ЛM3) of the Soviet Union adopted a new quick loading and unloading tool holder on the large boring machine as shown in the figure, which ensured the radial feed of the boring tool during the rotation and overcame the conventional detachable tool holder Processing a small range, weight and other shortcomings. The knife holder consists of a body 1 and its associated taper tail 7 and other components. Tail transverse groove inserted pin 9, the turret and the boring machine can be extended spindle 8 associated. The slider with the tool-holder 10 is driven by a mechanism mounted in the body of the tool holder and moves radially along its guide.