Grain flow solid lubricating method for cutting processing
A technology of cutting processing and solid lubrication, which is applied in metal processing equipment, metal processing machinery parts, manufacturing tools, etc., to achieve the effects of avoiding environmental pollution and personal hazards, large particle size range, and wide application range of materials and processes
Active Publication Date: 2019-10-01
HENAN INST OF SCI & TECH
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Problems solved by technology
[0006] The technical problem to be solved by the present invention is: to provide a particle flow solid lubrication method for cutting, which can effectively solve the problem of particle lubricating medium introduction and interface flow in cutting processing, give full play to the advantages of particle flow lubrication, reduce cutting force and Cutting temperature, improve processing effect
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[0028] The present invention is suitable for most cutting processes such as turning, milling, drilling, grinding, and planing. There are many process methods involved, but the principle and implementation mode of the present invention in each process are basically the same, so the drilling process is used here as Examples are explained.
[0029] Taking drilling processing as an example, the specific implementation of the invention is as follows:
[0030] (1) Adopt a certain method (powder spraying type, fluidized type or other methods) to quantitatively transport micro-nano particle size lubricating medium to the processing part. Such as figure 1 with 2 In this embodiment, the granular lubricating medium 4 is delivered to the cutting part of the tool 5 through the nozzle 3 in a powder spraying type.
[0031] (2) While realizing normal cutting, use additional vibration or other process methods of periodic separation of cuttings to introduce granular lubricating media into the cutting...
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The invention discloses a grain flow solid lubricating method for cutting processing. The method is characterized in that the problems of friction reducing and temperature decreasing in the cutting process can be solved in a manner of vibrating to support grain flow lubricating. A grain lubricating medium with micro-nano granularity is conveyed to a processing part, wherein the grain lubricating medium comprises one or a plurality of graphite, MoS2, WS2, Al2O3, SiO2 and diamond powder, and the granularity of the grain lubricating medium ranges from more than a dozen nanometers to dozens of micron; a mode of conveying the grain lubricating medium to a cutting part includes a powder injecting mode, a fluidizing mode and other solid powder supplying modes. According to the method, the normalcutting is realized, and the vibrating supporting method is carried out to guide the grain lubricating medium into the cutting area, and the speed of the grain lubricating medium flowing between cutter chippings and a cutter worker contact interface is increased, so that the lubricating and friction reducing effects of the grain medium are fully played. The method is wide in material and technology application range; cutting liquid is completely avoided, and thus environmental pollution and human body injury caused by the cutting liquid can be avoided.
Description
Technical field [0001] The invention relates to a solid lubrication technology, in particular to a particle flow solid lubrication method for cutting processing, and belongs to the field of mechanical processing. Background technique [0002] Cutting is a process method that removes excess material through the relative movement between the tool and the workpiece, so as to obtain the mechanical parts that meet the requirements of form and position accuracy, dimensional accuracy and surface quality. It is the most mature and complete process. The most widely used machining technology. According to statistics, 70% to 80% of the total machining processing in the current equipment manufacturing industry is completed by cutting. As a typical mechanical removal method, "extrusion, friction, deformation, shearing" are the essential characteristics of cutting. During the cutting process, along with the separation of the material to be cut, three deformation zones (shear slip zone, chip ...
Claims
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IPC IPC(8): B23Q11/10
CPCB23Q11/1038Y02P70/10
Inventor 马利杰闫梅红王占奎陈锡渠苏建修逄明华韩士楷刘红文
Owner HENAN INST OF SCI & TECH