Position rotating turning tool with dredging and chip removing structure
A technology of indexing and turning tools, which is applied in the direction of turning equipment, cutting blades, manufacturing tools, etc. It can solve the problems of poor chip removal performance, short tool life, and low surface quality of products, so as to improve service life and strength. , reduce the effect of scratches
Pending Publication Date: 2020-02-28
JIANGSU UNIV OF SCI & TECH
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Problems solved by technology
[0003] Purpose of the invention: The purpose of the present invention is to provide an indexable turning tool with a dredging and chip removal structure, so as to overcome the poor dredging chip removal performance, large cutting force, The defects of high cutting temperature, difficult chip control, short tool life, low product surface quality, and low processing efficiency make the turning tool improve chip discharge ability, reduce cutting force, and reduce cutting temperature during hard turning. wear, improve the quality of the machined surface and the service life of the blade
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[0020] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.
[0021] Such as Figure 1-Figure 3 Shown, this turning tool comprises blade main body 7, and the profile profile of turning blade main body horizontal section is a square; The fastening screw is fixed on the turning tool holder. The four corners of the square blade are all provided with arc cutting edges 2, and the cutting edge arcs at the four corners of the main body of the turning blade are 0.1mm. There are four cutting edges at the outer edges of the four sides, of which two main cutting edges 1 are arranged on two parallel opposite sides of the square blade, and two minor cutting edges 3 are arranged on the other two parallel opposite sides of the square blade On; the main cutting edge 1 and the minor cutting edge 3 are provided with negative chamfering. The width of the negative chamfer at the cutting edge is 0.02mm.
[0022] A conica...
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Abstract
The invention discloses an position rotating turning tool with a dredging and chip removing structure. The position rotating turning tool comprises a turning tool blade main body, wherein the outlinecontour of a horizontal cross section of the turning tool blade main body is square; four cutting edges are arranged at the outer edges of the four edges of a square blade, wherein each of a main cutting edge and an auxiliary cutting edge is provided with a negative chamfer, a conical protruding part is established on the rake surface in the middle of the main cutting edge and the auxiliary cutting edge; and the portions from the conical protrusion to the cutting portions on the two sides correspondingly form grooves as chip removing grooves. According to the position rotating turning tool with the dredging and chip removing structure, the requirements of dredging and chip removing during hard turning machining are met, the turning cost is reduced, quick switching is realized, and one blade can be used multiple times, so that the use efficiency is improved; and meanwhile, new tool design thoughts can be provided for chip flow dredging and surface machining quality improvement.
Description
technical field [0001] The invention relates to the field of tool manufacturing, in particular to an indexable turning tool with a dredging and chip removal structure. Background technique [0002] Titanium alloys, hardened steels, and nickel-based superalloys are typical high-hardness, high-strength, and corrosion-resistant structural materials, which are widely used in production that requires high hardness and wear resistance. Generally, grinding technology is used for finishing, but grinding has defects such as low processing efficiency, high cost, and large pollution. With the continuous development of hard turning technology, it provides a more efficient solution for the finishing of typical difficult-to-machine materials of high hardness and high strength materials. In the hard cutting process, practical problems such as large cutting force, high cutting temperature, short tool life, difficult chip control, low product surface quality and low processing efficiency du...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B23B27/00B23B27/10B23B27/16
CPCB23B27/00B23B27/10B23B27/1614B23B2200/0476B23B2200/20B23B2200/32
Inventor 李国超许汉中谢占成冯丰周宏根景旭文田桂中曹利平赵亚君
Owner JIANGSU UNIV OF SCI & TECH