合理选择车刀几何角度（Reasonable selection of tool geometry）.docVIP

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合理选择车刀几何角度（Reasonable selection of tool geometry）.doc

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合理选择车刀几何角度（Reasonable selection of tool geometry）

合理选择车刀几何角度（Reasonable selection of tool geometry） Reasonable selection of tool geometry angle 2009-01-06 23:41 Abstract: the reasonable selection of tool geometry, help to improve processing conditions, improve the quality of the machined workpiece, cutter and prolong the service life of the equipment, this paper from the angle of tool geometric angle cutting force, cutting heat and cutting tool durability influence, general principle analysis tool geometric angle selection. Key words: geometric angle; cutting force; cutting heat; The geometric angle of a tool refers to the angle between the two parts of the cutting tool, between the geometric elements, or between them and the reference plane. They determine the cutting edge of the tool and the spatial position of each cutter surface respectively. According to the two side angle theory, point of view there are six independent annotation tools, they are: to determine the main cutting edge position of the main tool cutting edge inclination angle Kr and lambda s; determine the angle RO and angle Ao after the tool rake face and flank face Ar Aa; to determine the cutting edges and the side the flank of Aa Kr angle and side angle Ao. The geometric angle has great influence on the turning process, especially the influence of the main angle Kr, angle RO, angle AO and angle lambda s is more outstanding, scientific and rational choice of tool geometry, the smooth implementation of the turning process plays a decisive role. The influence on cutting force and cutting heat and the durability of the tool from the tool geometric angle analysis, in order to make the cutting light, stable quality, prolong the service life of the cutters purpose, to determine the general principles of the scientific view of turningcutter. First, the influence of tool geometry angle on cutting force In metal cutting, the cutting tool cuts into the workpiece and cuts off the excess material from the workpiece, producing a strong force, collectively ref