57 results about "Built up edge" patented technology

The invention discloses a preparation method of a cutter surface antisticking antifriction micro mosaic composite texture and belongs to the technical field of mechanical cutting tool manufacture. The preparation method comprises the steps of carrying out texturing overlaid and microcavity/groove composite texture processing on the working surface of a cutter by using laser, and filling solid lubricant into the microcavity/groove texture of the cutter surface in a pressed and embedded mode. The preparation method of the cutter surface antisticking antifriction micro mosaic composite texture overcomes monotony of the existing cutter texture method, improves aintisticking performance of the front cutter surface of the cutter, preventing generation of a built-up edge, performs the function of storing and conveying of the texturing overlaid and microcavity/groove composite texture on cutting fluid, performs cooling and lubrication action on the cutter and achieves the purposes of improving durability and cutting efficiency of the cutter and ensuring machining quality of a workpiece surface.

The invention provides a laser compound strengthening technology, which comprises the following steps of (1) carrying out femtosecond laser micro machining on a blade area of a hard alloy cutter, so as to obtain pits arranged in certain sequence; (2) carrying out laser shock peening in the blade area of the hard alloy cutter; (3) coating on the surface of the cutter after laser shock peening; and (4) carrying out laser shock wave microtexture forming process on the blade area of the coated hard alloy cutter, so as to obtain a laser compound strengthening model. The laser compound strengthening technology comprises four steps, namely, laser micro machining, laser chock peening, surface coating, and the laser shock wave microtexture. According to the laser compound strengthening technology, residual compressive stress, infiltration characteristic, heat transmission, cooling and lubricating conditions of the blade area can be obviously improved, built-up edges and burrs are reduced, and nickel base material is prevented from being attached to the surface of the cutter, so that the service life of the cutter is prolonged, and the stability of the manufacture quality is improved.

The invention discloses a double-cylinder electro-hydraulic servo synchronous excitation cutting device and a double-cylinder electro-hydraulic servo synchronous excitation cutting method. The device includes a first vibration hydraulic cylinder, a workbench, a first guide pillar guide sleeve, a first guide pillar, a first guide pillar fixing sleeve, an eddy current sensor, a sensor support, a second vibration hydraulic cylinder, a pedestal, a first servo valve, a data acquisition module, an industrial personal computer, an electromotor, an oil source, a hydraulic pump, a check valve, an overflow valve, a first pressure flow sensor, a first piston displacement sensor, a second piston displacement sensor, a second pressure flow sensor, a second servo valve, a second guide pillar guide sleeve, a second guide pillar, a second guide pillar fixing sleeve and a fixture. According to the double-cylinder electro-hydraulic servo synchronous excitation cutting device, high-frequency and periodical contact and separation phenomena of a tool and a workpiece occur during a cut machining process, and through the separation property of the tool and the workpiece, the effects on improving the machining quality of the workpiece, prolonging the service life of the tool, improving the surface smoothness of the cutting surface and reducing the built-up edge are achieved.

The invention discloses a device for broaching a workpiece with the help of additional ultrasonic vibration. In the prior art, an existing device is complex in structure and not high in accuracy. The device comprises an ultrasonic generator, an ultrasonic energy exchanger, a working table, an eddy current sensor, a sensor support, an ultrasonic amplitude-change pole, a front amplifier, a conversion plate, a data acquisition card and an industrial personal computer. During broaching, a tool and the workpiece make contact with each other and are separated from each other periodically at a high frequency; it is quite different from that the tool and the workpiece make contact with each other all the time during normal broaching. During ultrasonic vibration broaching, the effects of improving workpiece machining quality, prolonging the service life of a broach, improving broaching surface smoothness and reducing built-up edges on the broach can be achieved according to the characteristic that the tool and the workpiece can be separated from each other.

The invention discloses a high-property microemulsion cutting liquid which is characterized by being prepared from the following raw materials in percentage by weight: 10-30% of mineral oil, 3-15% of a lubrication extreme pressure agent, 5-10% of an anti-rusting agent, 5-12% of a surfactant, 0.2-3% of a corrosion inhibitor, 0.2-2% of an antibacterial anti-mould agent and the balance of water. The high-property microemulsion cutting liquid disclosed by the invention is free of phosphorus, sulfur and chlorine type extreme pressure additives, the microemulsion cutting liquid prepared according to the formula is very high in friction reduction extreme pressure resistance and good in cleaning effect; the generation of scale-fins and built-up edges can be effectively inhibited, adhesion or abrasion of cutting tools is prevented, the surface machining precision is improved, the service life of the cutting tools is prolonged, the cooling property of the machining process can be met, and due to unique formula design, the microemulsion cutting liquid is very high in biological stability, long in use period and free of irritation or pollution.

The invention relates to the technical field of non-ferrous metal mirror surface processing, and discloses a self cleaning magazine tool and a machine tool, wherein the self cleaning magazine tool is arranged on the machine tool, is used for storing a cutter and cleaning built-up edges on the cuter and comprises a cutterhead; a plurality of cuter positions capable of fixing the cutter are arranged on the cutterhead; the self cleaning magazine tool also comprises a cleaning cabin, an ultrasonic wave generator and a circulation structure; the ultrasonic wave generator is arranged on the cleaning cabin; the circulation structure can provide cleaning liquid for the cleaning cabin; the cutterhead is positioned in an inner cavity of the cleaning cabin; the cleaning cabin is provided with a notch exposing the cutter positions; the notch part is provided with an opening/closing structure capable of being opened and closed. The self cleaning magazine tool has the advantages that after the cutter is stored into the self cleaning magazine tool, the cleaning is performed through the ultrasonic wave generator and the cleaning liquid; cut chips on the cutter are prevented from being accumulated to form the built-up edges; the long-service-life and efficient high-precision processing of the cutter can be maintained.

The invention relates to a numerically controlled lathe spindle drilling device, and belongs to drilling devices. The numerically controlled lathe spindle drilling device comprises a numerically controlled lathe, a clamp, a supporting sleeve, a pull pipe, a mandrel, a ball screw pair, an improved servo motor, a liquid flow device and a drilling taper shank combined cutter. According to the numerically controlled lathe spindle drilling device, a deep groove oilless combined ball bearing is arranged, so that the assembling precision and strength of the mandrel are improved, moreover, the mandrelis not limited by high-speed rotation of a machine tool spindle in a bearing hole, the axial reciprocating motion is free, the friction is reduced, the cutting stability of the cutter is improved, acutting fluid of the drilling device enters a cutting area through a liquid conveying hole inside the drilling device, so that the cutter and a workpiece are cooled, the cutting deformation is reduced, a built-up edge is prevented from being generated, the service life of the cutter is prolonged, and the product quality is improved; the drilling device has the advantages that the workpiece is clamped once, the two ends of the workpiece can be machined at the same time, multiple passes of working procedures are completed, the process can be optimized, the process flow can be shortened, the production efficiency can be improved, and the labor intensity of workers can be reduced.

The invention provides a metalworking fluid. The metalworking fluid comprises base oil, synthetic ester, an organic acid, an organic amine, a special lubricant, an assistant and water. The working fluid has the advantages of excellent lubricating properties at a low concentration, satisfactory protection of new working surfaces and cutter surfaces, prevention of the generation of built-up edges and abrasion, excellent antibacterial property and high biological stability at a low concentration, improvement of lubrication without chlorine, phosphorus, sulfur and other common extreme pressure lubricants, and small harms to the environment and the operating personnel.

The invention discloses a water-based cutting fluid stable in quality and uniform to disperse. The water-based cutting fluid is characterized by being prepared from the following raw materials in parts by weight: 1-2 parts of sodium molybdate, 2-3 parts of triethanolamine, 1.5-2.5 parts of carboxylic acid, 3.5-5 parts of polysorbate-80, 2-4 parts of castor oil, 4-5 parts of sodium ricinoleate, 2-3 parts of tartaric acid, 6-8 parts of nanosilicon dioxide, 2-3 parts of octadecylamine N-oleoyl sarcosinate, 5-7 parts of an auxiliary and 200 parts of deionized water. According to the water-based cutting fluid, a grinding material nanosilicon dioxide and a surfactant are mixed, so that not only is the wear resistance enhanced, but also the grinding material is uniform to disperse, thereby promoting the quality of the cutting fluid. Matched with the auxiliary, the wear resistance, dispersibility, lubricity and film-forming property of the cutting fluid are enhanced. The cutting fluid disclosed by the invention has excellent lubricating and wear resisting performance, cleaning cooling performance and anti-rust corrosion resisting performance, can avoid generation of built-up edges and effectively protects cutters and improves the processing quality. The cutting fluid is simple to operate and low in cost.

The invention provides a cutting tool for processing ring gear, which comprises a columnar cutting section (1) with a front handle (2) at one end and a rear handle (3) at the other end, wherein the cutting section (1) is integrated with the front handle (2) and the rear handle (3); a clamping handle (4) is arranged on the end head of the front handle (2); and a multi-ring cutting blade (5) is distributed on the surface of the cutting section (1). The cutting blade of the cutting tool is a spiral double-angle milling cutter, so that the cutting blade has an inclination angle to achieve thin cutting and prevent scratching workpiece surface, thus reducing deformation resistance, reducing cutting heat, preventing the formation of built-up edge, prolonging the service life of the cutting tool, improving the processing accuracy, achieving good processing effect, and preventing deformation of the processed product. Additionally, the cutting tool can simplify the processing procedure and reduce the production cost. The cutting section is a split hierarchical structure, which can satisfy different processing requirements to achieve wide application range.

The invention discloses a cutting tool, and relates to the field of machinery manufacturing metal cutting machining. The cutting tool comprises a tool holder. Cutting faces with three cutting edges are formed at an end of the tool holder by means of grinding, and a chip removal groove is further formed in a joint of the cutting faces and the tool holder. The cutting tool has the advantages that the cutting faces with the three cutting edges are formed in the end of the tool holder by means of grinding, the three cutting edges can simultaneously vertically and horizontally transversely move when belt pulleys are about to be lathed by users, accordingly, the belt pulleys can be lathed, and the cutting tool is high in efficiency; the chip removal groove is formed in the cutting tool, and accordingly chips can be smoothly removed; accumulated chips are difficult to stick to the cutting tool, built-up edges can be prevented, heat can be quickly dissipated, abrasion and tipping can be prevented, and accordingly the service life of the cutting tool can be prolonged.

The invention belongs to the technical field of ultra-hard nano-composite coatings deposited on surfaces of metal materials, and particularly relates to a Ti-Ag-N nano-composite coating and a preparation method thereof. By adoption of the Ti-Ag-N nano-composite coating and the preparation method thereof, the technical problems that a large amount of heat is generated due to a high friction coefficient of a nc-TiN/a-Si3N4 nano-composite coating, and built-up edges are still generated on the front tool face of a coated cutting tool are solved. According to the distance away from a matrix, the nano-composite coating sequentially comprises a transition layer, an intermediate layer and a Ti-Ag-N layer from inside to outside, wherein the transition layer is formed by a Ti film on the surface of the matrix, and the intermediate layer is formed by a TiN film. According to the preparation method, the arc ion plating technique is used for completing preparation of the Ti-Ag-N nano-composite coating. The nano-composite coating prepared through the method has high hardness and also has the advantages that the tenacity is high, the film-matrix bonding force is high, and the friction coefficient is small.

The invention discloses a stable-quality cutting fluid with bactericidal effect. The invention is characterized in that the cutting fluid is prepared from the following raw materials in parts by weight: 1-2 parts of lime sulfur, 5-7 parts of lime powder, 2-3 parts of nano diamond powder, 2-4 parts of epoxy soybean oil, 1-2 parts of sodium gluconate, 0.8-1.4 parts of chitosan, 3-4.5 parts of phenethyl alcohol oleate, 1-1.5 parts of sodium diacetate, 3-4 parts of sodium dodecyl benzene sulfonate, 5-7 parts of assistant and 200 parts of deionized water. The nano diamond powder and surfactant are mixed by grinding to enhance the dispersion effect, so that the quality is stable and uniform; by adding the lime sulfur, the cutting fluid has favorable bactericidal effect; and the assistant enhances the wear resistance, dispersity, lubricating property and film formation property of the cutting fluid. The cutting fluid has excellent lubricating property, cleaning property and rust resistance, can prevent the built-up edge from generation, effectively protects the cutter, and enhances the processing quality.

The invention discloses a special dressing liquid for an ELID (Electrolytic In-process Dressing) composite material and a preparation method of the special dressing liquid and belongs to the field ofprecise-ultraprecise on-line electrolysis trimming and dressing. The special dressing liquid comprises the following constitution components: engine oil, soybean oil, thiopropyl triethoxy silane, dodecyl succinate diethanolamide, dimethicone, molybdenum disulfide, dialkyl phosphorodithioic zinc, nonylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, silicone emulsion, a morpholinederivative, boric acid, methyl benzotriazole, naphthenate, tri-m-tolyl phosphate, sulfide fatty acid ester, diethanol amine, triethanolamine, lauric acid, polyethylene glycol, sodium phosphate and deionized water. The dressing liquid has functions of electrolysis removal and trimming grinding in addition to properties of common dressing liquids, excellent cutting performance of grinding granulesin grinding wheels can be constantly maintained, and the problems that a composite material is low in removal rate, built-up edges are generated and processing surface quality and precision are low inthe machining process can be solved.

The invention discloses a strengthened-type sink roller capable of preventing build-up edge. The strengthened-type sink roller comprises roller shafts, a roller cylinder and end covers, wherein the roller shafts and the end covers are arranged at both sides of the roller cylinder in a mirror symmetry manner; each end cover is fixedly connected between the roller shafts and the roller cylinder and at both ends of the roller cylinder; a support mechanism is arranged between the end covers located at both ends of the roller cylinder and comprises thin-walled flexible cylinders, adjusting bolts and movable rings located at both ends of the thin-walled flexible cylinders; the thin-walled flexible cylinders are distributed along the axis of the roller cylinder and has both ends propping against the inner sides of the movable rings; the adjusting bolts are in threaded connection with the end covers located at both ends of the roller cylinder, and one end of each adjusting bolt penetrates through the end covers and props against the outer side of the corresponding movable ring; the strengthened-type sink roller is characterized in that grooves are formed in the inner side of each movable ring and the end parts of the thin-walled flexible cylinders are embedded inside the grooves formed in the inner side of each movable ring; the outer wall of the roller cylinder is provided with a wear-resistant layer; spiral grooves having opposite rotation directions are formed in the surface of the wear-resistant layer of the roller cylinder; and the bottoms of the spiral grooves are of circular-arc shapes. The strengthened-type sink roller has the advantages of high structural strength, small deformation, long service life and capability of thoroughly solving the problem of formation of build-up edge on the surface of the roller.

The invention discloses a method for automatically cleaning tools and measuring lengths of the tools on line, and belongs to the technical field of machine tool clamps. A device is additionally arranged on a numerical-control machine tool, so that in a using process, the numerical-control machine tool can be matched with existing tools of a tool magazine to be equipped with all tools to start processing a part after programming is completed once workpieces are clamped; and a tool setting long instruction is added during primary processing. All the tools are cleaned under high pressure to ensure the effect that scrap iron bonding is avoided, so that built-up edge production probability is also reduced. Tool data measurement is accurate, and interferences of artificial factors are avoided. The method is suitable for high-quality efficient production.

The invention relates to the field of cutting tools and particularly relates to a coating blade for steel component processing and a preparing method thereof. The coating blade for steel component processing comprises a cemented carbide base and a coating, wherein the thickness of a cubic-carbide-free layer on the cemented carbide base is 5-10mum. The preparing method of the coating blade for steel component processing comprises the following steps: after uniformly mixing Co, TaNb8, (W, Ti)CN, WC and a forming agent, pouring the mixture into a drum type ball mill to carry out ball milling; then, pressing and sintering the ball-milled mixture to make a blade with the cemented carbide base; and coating the blade with the cemented carbide base with the coating, and carrying out sand blastingtreatment to obtain the coating blade for steel component processing. The making technology of the coating blade for steel component processing, which is provided by the invention, is simple, the wearresistance of the blade is improved, crater wear can be effectively inhibited, and the production of built-up edges is reduced.

The invention relates to the technical field of metal cutting, and discloses a double-face groove profile cutting blade. A blade body is of a geometric structure, wherein the geometric structure is provided with a polygon and is symmetric up and down. A positioning hole is formed in the geometric center. The blade body is composed of an upper end face, a lower end face, a plurality of side surfaces and an arc side face located between every two adjacent side surfaces, and the upper end face and the lower end face are provided with supporting surfaces between the edges of scrap cutting tables and the positioning hole. The top corner of the blade is provided with no fewer than one cutting unit part, and each cutting unit part is composed of a cutting edge, the corresponding scrap cutting table and a scrap cutting guiding protruding part, wherein the scrap cutting table is composed of a front blade face and a plurality of cutting guiding faces, the scrap cutting guiding protruding part isarranged at the top corner of the cutting unit part, and the cutting edge is composed of an arc cutting edge body, a main cutting edge body, a transition cutting edge body and an auxiliary cutting edge body. Through the blade, the sharpness and stability of the cutting edges are improved, scrap cutting and discharging are smooth, blade abrasion is reduced, and the phenomenon of built-up edges iseffectively restrained.

The invention relates to a processing method for an automobile compressor rear cover, comprising the following steps of: designing a cutter; arranging a first cutter point, a second cutter point, a third cutter point, a fourth cutter point and a fifth cutter point which correspond to the slot bottom of the rear cover on the cutter; during processing, naturally forming a built-up edge at the right-angle part of the cutter to generate a chamfer of R0.3-R0.5 at the corresponding part of the rear cover; and when the built-up edge reaches a certain size, naturally dropping the built-up edge due to a cutting force, and then forming a new built-up edge. The invention has the advantages that the exhaust port of the processed rear cover is molded in one step so that the processing operation is convenient and the efficiency is high; moreover, the product quality is stable.

The invention discloses a metal cutting fluid with sterilizing and deodorizing functions. The metal cutting fluid is characterized by being prepared from the following raw materials in parts by weight: 3-4 parts of chlorinated paraffin, 4-6 parts of 2-ethylhexyl epoxystearate, 3-5 parts of glycerin, 4-6 parts of petroleum barium sulfonate, 2-3 parts of petroleum sodium sulfonate, 5-6 parts of hexagonal boron nitride, 2-3 parts of polytetrafluoroethylene, 2-3 parts of boric acid, 1-2 parts of thiophosphate, 5-7 parts of auxiliary and 200 parts of deionized water. The metal cutting fluid is excellent in lubricating property, wear resistance, cleaning and cooling performances as well as rust prevention and corrosion resistance and capable of avoiding generating built-up edges and effectively protecting a cutter; due to the addition of the auxiliary, the metal cutting fluid has favorable wear resistance, dispersibility, lubricating property and film forming property; due to the addition of thiophosphate, the metal cutting fluid has a favorable antibacterial effect and is prevented from going bad and becoming smelly; the metal cutting fluid is suitable for processing and cutting various metals, simple in operation and low in cost.

The invention belongs to the field of machine manufacturing tools and particularly relates to a ZrNbCN gradient composite coated tool and a preparation technology thereof. The coated tool comprises a tool base, a Ti transition layer, a ZrNbC transition layer and a ZrNbCN gradient composite coating with gradually changed N content sequentially from inside to outside and is prepared with an unbalanced magnetron sputtering and arc plating composite coating method. According to the ultrahard ZrNbCN compound coating, Zr and Nb are added to the coating and the N content of structural constitution of the coating is changed gradually, so that the combination usability of the tool can be improved. The coated tool has quite high hardness, strength, compression resistance, impact toughness, wear resistance and corrosion resistance. Friction and adhesion between the tool and a workpiece in a cutting process can be reduced, built-up edges are not produced easily, good surface roughness is obtained, the cutting force and the cutting temperature can be reduced by 35% or more, the oxidation resistance of the coated tool is improved by 60% or higher, the service life of the tool is prolonged by 50% or more and the durability of the tool is improved by 50% or higher.

The invention discloses a high-precision processing method for a graphite cutter. The high-precision processing method comprises the following steps: A, preparation of an alloy substrate which is a tungsten steel substrate; B, purification of the alloy substrate; and C, deposition of a monocrystal diamond coating on the surface of the substrate. The high-precision processing method provided by theinvention has the following beneficial effects: tungsten steel has a series of excellent properties like high hardness, wear resistance, good strength and toughness, heat resistance and corrosion resistance, and specifically, high hardness and wear resistance of the tungsten steel can increase the service life of a cutter; the connecting bond between carbon atoms in diamond is an sp<3> hybrid covalent bond, so strong binding force, stability and directionality are obtained; monocrystal diamond is insusceptible to sticking the cutter and generating built-up edges during cutting, so the qualityof the processing surface is good, and surface roughness is low during processing of non-ferrous metals; and compared with an ordinary diamond coating, the cutter prepared by using the method provided by the invention has a service life increased by 10 to 15 times, has higher processing precision, wear resistance and durability, and is an edge tool for processing of a silicon-aluminum material.