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148 results about "Tool material" patented technology

Many types of tool materials, ranging from high carbon steel to ceramics and diamonds, are used as cutting tools in today’s metalworking industry.

Nano-composite coating hard alloy cutter for intermetallic compound / high-temperature alloy machining and preparation method of nano-composite coating hard alloy cutter

The invention belongs to the technical field of cutter materials, and particularly relates to a nano-composite coating hard alloy cutter for intermetallic compound / high-temperature alloy machining and a preparation method of the nano-composite coating hard alloy cutter. An intermetallic compound / high-temperature alloy is a novel key material for aero-engines, is a difficult-to-process material, has high red hardness and good wear resistance, is easy to generate brittle fracture at high temperature, and is easy to generate thermal expansion and deformation in the processing process. Lanthanum-doped tungsten carbide and modified nickel powder are matched with other raw materials to prepare a novel hard alloy matrix, a boron nitride composite material and magnetic chitosan in the coating are matched, the hard alloy cutter is prepared, through the combined action of multiple components, the bending strength and hardness of the cutter material are effectively improved, and the service life of the cutter material is prolonged. Therefore, the good binding force between the coating and the matrix is enhanced.
Owner:CHENGDU OPALANG PRECISION TOOLS CO LTD

Low-alloy structural steel for preparing petroleum drilling tool and preparation method of low-alloy structural steel

The invention discloses a low-alloy structural steel component for preparing a petroleum drilling tool, which comprises the following elements in percentage by mass: 0.32 to 0.41 percent of carbon, 0.12 to 0.38 percent of silicon, 0.65 to 1.20 percent of manganese, less than or equal to 0.010 percent of phosphorus, less than or equal to 0.008 percent of sulfur, 0.75 to 1.35 percent of chromium, 0.2 to 0.4 percent of molybdenum, less than or equal to 0.3 percent of nickel, 0.01 to 0.04 percent of niobium, 0.005 to 0.015 percent of titanium and the balance of iron. The alloy element ratio is improved and the technological process is optimized on the basis of the prior art, the problems that 4137MA alloy structural steel is insufficient in toughness, coarse and large in grain, limited in strength, poor in high-temperature stability and the like are successfully solved, no technical obstacle exists when the 4137MA alloy structural steel is implemented under the conditions of the prior art, and a petroleum drilling tool made of the 4137MA alloy structural steel is good in mechanical property and good in performance. Compared with the prior art, the material has the advantages of simple structure and high use safety, so that the probability of occurrence of accidents such as thread slipping or rod breakage of the petroleum drilling tool is remarkably reduced, the popularization and application of the material have greater economic benefits and social benefits, the mechanical property and the use reliability of the petroleum drilling tool material are remarkably improved, and a safer and more durable material solution is provided for petroleum drilling engineering.
Owner:JIANGSU SHUGUANG OIL DRILLING EQUIP CO LTD

Superfine hard alloy cutter material for high-temperature material processing and preparation method of superfine hard alloy cutter material

The invention belongs to the technical field of hard alloy manufacturing, and particularly relates to a superfine hard alloy cutter material for high-temperature material processing and a preparation method of the superfine hard alloy cutter material. A composite hard phase formed by modified tungsten carbide and lanthanum modified tungsten carbide is selected, graphene-nickel composite powder is introduced into a binding phase high-entropy alloy to form a composite material, the superfine hard alloy cutter material for high-temperature material machining is prepared, the Vickers hardness of the material is improved, the fracture toughness is improved, and the service life of the material is prolonged. And good bending strength is obtained.
Owner:CHENGDU OPALANG PRECISION TOOLS CO LTD

Glue-dripping key anode up-and-down hanging machine

The invention relates to the technical field of electroplating automation equipment, in particular to a glue-dripping key anode up-down hanging machine which comprises a hanging tool feeding mechanism, a feeding and discharging mechanical arm, a material pulling mechanism, a hanging tool discharging mechanism, a glue-dripping key mechanical arm and a glue-dripping key material mechanism. The front-back driving module drives the material pulling assembly to move from one side of the feeding and discharging mechanical arm to one side of the glue dripping key mechanical arm, the glue dripping key mechanical arm takes out a glue dripping key from a glue dripping key material disc and places the glue dripping key on a hanging tool, and the hanging tool discharging mechanism is provided with an empty hanging tool material disc. And the loading and unloading manipulator places the hanging tool on which the glue dripping keys are fully hung on the empty hanging tool material disc. According to the glue key anode up-and-down hanging machine, automatic workpiece up-hanging and down-hanging operation is achieved, the labor intensity of workers is reduced, the working efficiency can be greatly improved, the product quality is more stable, and good uniformity of products of the same batch is guaranteed.
Owner:MEGA PRECISION TECH (DONGGUAN) LTD

Process of forming a cutting tool with additively deposited cutting edge

The present invention provides a process of forming a cutting tool comprising the steps of: additive deposition of a tool material comprising at least one of: tungsten carbide, TaNbC, a tungsten carbide containing alloy or composite, or a TaNbC containing alloy or composite onto a base substrate having a longitudinal axis, said tool material being deposited onto the base substrate to form a deposit body configured to form at least one cutting formation therein; and subsequently subtracting selected portions of the deposit body to produce at least one cutting formation having a selected cutting edge configuration, thereby forming the cutting tool.
Owner:COMMONWEALTH SCI & IND RES ORG

Pastry making table

The invention discloses a pastry making table. The device comprises a pedestal, and a manufacturing part and a forming part which are positioned on the pedestal, the making part is provided with a storage box used for containing tools and raw materials and a tray used for preliminary processing of pastries. The forming part is provided with a forming machine, and the forming machine comprises an equipment base, an upper die lifting device arranged on the equipment base, an upper die arranged on the upper die lifting device and a lower die arranged on the equipment base and provided with a forming groove matched with the upper die in shape. The cake forming machine has the advantages that the storage box, the tray and the forming machine are integrally designed, so that the tool material placing and cake making processes are more orderly, and the making efficiency and the product quality are improved; a quantitative grid and a scraper are arranged on the tray, so that the primarily processed raw materials can be uniformly divided into the same size, and the stability of subsequent products is guaranteed; and the pedestal manufacturing part is provided with a bracket, so that a user can check the manufacturing method at a comfortable height and angle.
Owner:ZHENJIANG COLLEGE

Horizontal installation method for large connecting pipe of dehydrogenation reactor

The invention discloses a horizontal installation method for a large connecting pipe of a dehydrogenation reactor, and belongs to the technical field of dehydrogenation reactor manufacturing. Determining a reference point for mounting the supporting leg; supporting legs and a bottom plate are installed; determining a datum point for connecting pipe installation; aBC, EH and F connecting pipes are installed; and detecting the overall levelness, wherein the ABC connecting pipe, the EH connecting pipe and the F connecting pipe are assembled and installed on the cylinder body in the horizontal direction. The invention further provides hoisting and auxiliary equipment thereof, the hoisting and auxiliary equipment is used for carrying out connecting pipe hoisting and assembling work, and the equipment comprises a hoisting mechanism and a supporting mechanism. According to the method, a traditional method for vertically installing the connecting pipe is abandoned, the large connecting pipe is installed at the horizontal position, supporting tool materials can be saved, the assembling efficiency of the connecting pipe and the supporting legs is improved, the assembling precision is guaranteed, and measurement convenience and precision are promoted; and the position of the to-be-mounted connecting pipe can be quickly corrected through hoisting and auxiliary equipment thereof, so that the mounting of the large connecting pipe is facilitated.
Owner:CHINA CONSTR EQUIP & ENG CO LTD +1

A tool material for deep hole machining of hard metal and a method for producing the same

The application discloses a kind of hard alloy cutter materials for deep hole machining, the cutter material is composed of the following weight percentage components: tungsten carbide: 75%~85%, wherein 0.2~0.4 μm superfine tungsten carbide particles account for 60%~80%, 0.4~0.8 μm tungsten carbide particles account for 20%~40%; Cobalt: 10%~15% titanium carbide: 2%~5%; Tantalum carbide: 1%~3%; Niobium carbide: 0.5%~2%; Vanadium carbide: 0.3%~1.0%; Chromium carbide: 0.2%~0.8%; Rare earth element: Y2O3 Or La2O3: 0.1%~0.5%. The application breaks through the bottleneck of high temperature wear, insufficient strength and short service life of traditional hard alloy in deep hole machining through three-dimensional innovation of component design, structure control and surface strengthening, and provides an efficient solution for precision deep hole machining of high hardness materials.
Owner:XIAN KUNLUN IND GRP

Intelligent cutter handle capable of monitoring cutter abrasion in real time and triggering replacement reminding

The invention relates to the technical field of machining, and discloses an intelligent cutter handle capable of monitoring cutter wear in real time and triggering replacement reminding, which comprises a cutter handle main body, a sensor module, a control module, a wireless transmission module, a power supply module and an upper computer system in communication connection with the wireless transmission module, a connecting structure matched with a mainstream machine tool connector is arranged at one end of the cutter handle body, and a clamping part for clamping a cutting tool is arranged at the other end of the cutter handle body. According to the intelligent cutter handle capable of monitoring cutter abrasion in real time and triggering reminding of cutter replacement, the vibration sensor, the cutting force sensor, the torque sensor, the temperature sensor and the acoustic emission sensor are integrated in the cutter handle body, and the cutter abrasion state is accurately judged in combination with a trained and tested machine learning model based on historical abrasion data of the cutter; a plurality of wear judgment threshold sets are stored in a convolutional neural network model analysis algorithm unit in a machine learning model, and each threshold set corresponds to different cutter materials, workpiece materials and cutting parameter combinations respectively; if yes, calling a threshold set matched with the current machining condition information for judgment, and outputting a corresponding result by the model, so that real-time and automatic judgment on the tool wear state is realized, manual experience analysis is not needed, the accuracy and timeliness of judgment are remarkably improved, and the working efficiency is improved. And reduction of machining quality or cutter breakage caused by misjudgment of sudden wear as normal wear or delayed response is effectively avoided.
Owner:KUNMING UNIV OF SCI & TECH

Super-soft waterproof abrasive paper and preparation method thereof

The invention belongs to the technical field of grinding tool materials, and particularly relates to super-soft waterproof abrasive paper and a preparation method thereof. According to the super-soft waterproof abrasive paper, the modified polyurethane is used as the primer, the composite modified carbonized material is used as the abrasive material, and the phenolic resin composite adhesive containing the amino modified calcium carbonate is matched, so that the super-soft waterproof abrasive paper is obtained, the longitudinal tensile strength of the abrasive paper is effectively improved, the water absorption rate is reduced, and good grinding performance is guaranteed.
Owner:HEBEI SIRIEN NEW MATERIAL TECH CO LTD

Machining tool and combined machining method for radial eccentric stepped hole of injector disc

The invention relates to a machining tool and a combined machining method for a radial eccentric stepped hole of an injector disc, and belongs to the field of eccentric stepped hole machining. The machining tool comprises a detachable guide drill, a detachable reamer, a detachable rose reamer and a detachable reamer. According to the structural characteristics of a cutter and a product, eccentric stepped hole machining is divided into four stage processes of drilling, broaching, chamfering and reaming, and drilling, broaching and chamfering, allowance removal and finishing machining are sequentially completed. And step-by-step machining of the eccentric chamfering stepped hole is achieved. The cutter material, the coating, the cutting edge angle and the cutter split structure are machined step by step, the service life of the cutter is prolonged, and the machining efficiency is improved by more than three times. The combined machining method is adopted, cutter deflection is effectively restrained, chamfering uniformity errors are reduced, aperture control is improved, the roughness of the inner surface of the hole is reduced, the machining efficiency of the injector disc is improved, and the combined machining method is suitable for efficient and precise machining of the spaceflight complex step eccentric hole.
Owner:XIAN SPACE ENGINE CO LTD

Three-dimensional graphene-carbon fiber network and double-phase high-entropy alloy synergistic strengthening and toughening ceramic cutter material as well as preparation method and application thereof

The invention discloses a three-dimensional graphene-carbon fiber network and double-phase high-entropy alloy synergistic strengthening and toughening ceramic cutter material as well as a preparation method and application thereof. The material is prepared from the following components in parts by mass: 87.8 to 90.9 parts of aluminum oxide, 8 to 10 parts of AlCoCrFeNi five-element equal-atomic-ratio high-entropy alloy, 1 to 2 parts of carbon fiber and 0.1 to 0.2 part of graphene. The preparation method comprises the steps of preparation of graphene grafted carbon fibers, preparation of AlCoCrFeNi high-entropy alloy powder, preparation of aluminum oxide-high-entropy alloy-graphene grafted carbon fiber composite ceramic powder and spark plasma sintering. The ceramic cutting tool material is used for preparing high-speed cutting tools. According to the preparation method, a plastic toughening mechanism of a double-phase high-entropy alloy is organically combined with a multi-stage toughening effect of a three-dimensional graphene-carbon fiber network, and a composite ceramic material with high hardness and high fracture toughness is obtained through spark plasma sintering, so that the adaptability of a cutter under a high-speed cutting condition is remarkably improved, and the service life of the cutter under the high-speed cutting condition is remarkably prolonged.
Owner:SHANDONG UNIV

A telephone line interface assembly hardware mechanism

The utility model provides a telephone line interface hardware assembly mechanism, comprising a base, a mounting frame, a hardware feeding module, a hardware punching and flipping module, a telephone line interface feeding module and a stamping assembly module; the mounting frame is fixed at a middle position above the base; the hardware feeding module is mounted on the left part of the base, and is used to control the hardware material belt to be gradually conveyed to the right; the hardware punching and flipping module is mounted on the base and is located on the right side of the hardware feeding module, and is used to cut the hardware from the material belt and swing it forward to feed the hardware; the telephone line interface feeding module is mounted on the base and is located on the front side of the hardware punching and flipping module, and is used to receive and deliver the telephone line interface; the stamping assembly module is mounted on the mounting frame. The design can efficiently and stably assemble the hardware to the telephone line interface.
Owner:E A (DONGGUAN)ELECTRIC CO LTD

Adhesive tape operation device capable of automatically heating and cooling

The utility model discloses an adhesive tape operation device capable of automatically heating and cooling, which comprises a support base, a stabilizing column, a support column, an operation platform, an operation table, an emergency stop button, an upper pressing wheel cylinder button, a double-hand starting button, a material roller, a limiting roller column, a gluing brush, a profiling tool material table and a hot air table, the stabilizing columns are installed and connected to the corresponding positions of the surfaces of the supporting columns, the operation platform is installed and connected to the ends of the supporting columns, the operation table is installed and connected to the surface of the operation platform, the scram button and the upper pressing wheel air cylinder button are installed and connected to the surface of the operation table, and the two-hand starting buttons are installed and connected to the two sides of the operation table. A product and an adhesive tape are manually stuck and put into the tool, the end passes through the upper and lower pressing wheels, and the adhesive tape bypasses the guide wheel; when a cylinder button is pressed down, an upper pressing wheel cylinder presses down to clamp the product and the adhesive tape, a rubber pipe electromagnetic valve, a hot air port and a cold air port are opened, and a starting button motor is pressed down to start upper and lower wheels to clamp the product and the adhesive tape to complete pasting.
Owner:HUAHANG SHUNTONG (TIANJIN) TECH CO LTD

Carrying trolley for steel structure construction site

The utility model relates to the technical field of construction equipment, and discloses a carrying trolley for a steel structure construction site, which comprises a trolley framework, wheels are rotatably connected to the trolley framework, a cross beam is further welded to the upper end of the trolley framework, a front baffle is fixedly connected to the front end of the trolley framework, and a side baffle is further fixedly mounted on the side wall of the upper end of the trolley framework. Construction is easy and convenient, mechanical operation is achieved, the labor-saving lever principle is facilitated, the actual working technical level is improved, the construction efficiency is improved, the mechanical flexibility is high, labor input is omitted, the construction cost is reduced, the environment adaptability is high, manufacturing and mounting can be achieved through existing tool materials on a construction site, and the manufacturing cost is low; the use range and working performance of the auxiliary construction trolley are greatly improved, all parts are finished products, the whole process is easy to operate, and the auxiliary construction trolley is made of green steel, can be repeatedly used, is easy to implement and operate, has common control requirements and is easy to popularize.
Owner:NORTHWEST ENGINEERING CORPORATION LIMITED +1

Scaffold for building

The utility model belongs to the technical field of building tools, in particular to a scaffold for building, which comprises a scaffold body and a platform plate, the top of the scaffold body is fixedly connected with the platform plate, the bottom of the platform plate is fixedly provided with an objective table, the top of the objective table is fixedly provided with a motor, and the motor is fixedly connected with the platform plate. A threaded rod is fixedly installed at the output end of the motor, a sliding block is connected to the threaded rod in a threaded mode, a safety block is fixedly installed at the other end of the threaded rod, connecting rods are fixedly connected to the two sides of the sliding block respectively, and protective fences are fixedly installed at the other ends of the connecting rods. By installing the protective guard, life safety of constructors can be guaranteed conveniently, the constructors are prevented from falling accidentally, articles such as tools and materials are prevented from falling from the scaffold, construction behaviors are standardized, safety accidents in the construction process are reduced, the liftable protective guard can adapt to different construction environments, and the safety protection capacity is improved.
Owner:YISHUI COUNTY INVESTMENT CONSTR & INSTALLATION ENG CO LTD

Cutting parameter determination method and device based on normal distribution, equipment and medium

The application discloses a normal distribution-based cutting parameter determination method, device, equipment and medium, the normal distribution-based cutting parameter determination method comprises the following steps: obtaining the expected tool life of a target tool corresponding to an expected cutting parameter, and performing normal distribution verification on the expected tool life to generate an expected normal distribution model; based on the tool material of the target tool and the workpiece material of the workpiece to be machined, traversing a tool database to determine a candidate standard normal distribution model matched with the tool material and the workpiece material; based on the expected normal distribution model and the candidate standard normal distribution model, a target standard normal distribution model is determined; the cutting parameter corresponding to the target standard normal distribution model is determined as the cutting parameter of the target tool. Through the technical scheme, the service life of the tool and the reliability of the cutting data are improved.
Owner:XIAMEN GOLDEN EGRET SPECIAL ALLOY

Incision tool material and processing method

The application relates to a fascia release device and a traditional Chinese medicine moxibustion technical field, in particular to a bianshu knife tool material and a processing method. A bianshu knife tool material is mainly made of bianshu stone powder, an organic silicon binder and an additive. The content of the organic silicon binder in the bianshu knife tool material is 12-20 wt%. The content of the additive in the bianshu knife tool material is 2-8 wt%. The total mass of the organic silicon binder and the additive accounts for 18-20 wt% of the total mass of the bianshu knife tool material. The bianshu knife tool material has good biocompatibility, skin affinity, processing performance and mechanical strength. The bianshu knife tool prepared by using the bianshu knife tool material can be internally provided with a heating element, can provide temperature assistance for fascia release, can improve the fascia release effect, can slowly release essential oil under the operation of a touching hand method, can reduce the probability of new damage to the human body under the assistance of the essential oil, and can further improve the fascia release effect.
Owner:HAOLANG ZHONGDA HEALTH TECHNOLOGY (GUANGZHOU) CO LTD

Ladder top cap bucket

A bucket for a ladder is disclosed. The bucket provides an area for workspace or for storage of tools or materials in addition to that provided by the ladder by itself. The bucket is configured to be removably attachable to the top of the ladder when in use or removably attached to the ladder and preferably within the boundaries of the ladder when not in use.
Owner:TRICAM IND LLC

Cutting parameter planning method and device for quadratic parabola curve cutting edge tool

The invention provides a cutting parameter planning method and device for a quadratic parabola curve cutting edge cutter, and relates to the technical field of cutter cutting. Cutting data and cutting temperature are analyzed to generate a cutting edge cutting force evaluation coefficient and a temperature friction coefficient; comparing and analyzing the coordinate characteristic parameters of the current tool and the designed quadratic parabola cutting edge, generating a tool cutting edge roughness influence index for reflecting the change characteristic of the cutting force caused by the influence of the cutting edge roughness during the cutting of the tool, collecting tool material data, and analyzing the tool material data to obtain a tool cutting edge roughness influence index; and generating a tool material influence index for reflecting the change characteristic of the cutting force caused by the influence of the material of the tool, further analyzing and generating a tool cutting force index for reflecting the influence degree of the cutting force of the current tool, comparing the tool cutting force index with an influence threshold value, and outputting the cutting abnormality confidence coefficient of the cutting edge of the tool.
Owner:HARBIN UNIV OF SCI & TECH

Residential building construction support

The utility model relates to the technical field of construction supports, and discloses a residential building construction support which comprises a supporting plate, a first supporting rod is fixedly connected to the left side of the supporting plate, a second supporting rod is fixedly connected to the right side of the supporting plate, and a crawling ladder is fixedly installed on the supporting plate. Connecting columns are fixedly connected to the inner sides of the first supporting rod and the second supporting rod, clamping rods are fixedly connected to the connecting columns, a net plate is arranged on the upper side of the supporting plate, clamping rings are fixedly connected to the outer side of the net plate, clamping holes are formed in the clamping rings, and limiting nuts are arranged on the clamping rods. The upper sides of the first supporting rod and the second supporting rod are fixedly connected with top plates. According to the utility model, the net plate is firmly fixed on the bracket through the clamping ring, the clamping rod and the limiting nut, so that the whole bracket structure has higher strength and stability, can bear the weight of constructors, construction tools, materials and the like, and ensures the safety of the construction process.
Owner:HEBEI SCI & ENG CONSTR ENG GRP CO LTD

High-hardness antibacterial ceramic cutter material and preparation method thereof

The invention discloses a high-hardness antibacterial ceramic cutter material which is prepared from the following raw materials in parts by weight: 25-35 parts of nano AlN, 25-35 parts of nano silicon carbide, 15-25 parts of nano chitin, 1-3 parts of Gy2O3, 3-4 parts of LaO, 5-8 parts of sodium fluoride, 3-4 parts of Y2O3, 1-3 parts of aluminum oxide, 3-4 parts of kaolin, 2.1-3.1 parts of titanium oxide, a proper amount of deionized water, 0.8-1.3 parts of tung oil, 1.3-1.6 parts of polyethylene glycol, a proper amount of ethylene glycol and 3.8-5 parts of a performance optimizing agent. The ceramic material disclosed by the invention has extremely high hardness, wear resistance and antibacterial property, is excellent in comprehensive performance, can be used as a kitchen knife material or an industrial cutter material, and is high in cost performance; by using the nano chitin, the antibacterial property and toughness of the ceramic material are enhanced; by using the performance optimizing agent provided by the invention, the surface smoothness and the comprehensive performance of the ceramic are further improved.
Owner:广东海洋大学阳江研究院

A co-high-entropy carbide cermet material, a preparation method and application thereof

The application discloses a kind of co-high-entropy carbide cermet materials and preparation method and application thereof, belong to the field of cermet material.The co-high-entropy carbide cermet material provided by the application is with (WVMoTaTi) C ceramic as matrix, directly adding its corresponding metal elements (W element, V element, Mo element, Ta element, Ti element) as binder phase by discharge plasma coupling high-frequency induction sintering.The preparation method is to mix all raw materials in proportion first, then ball mill, dry to obtain mixed powder, and discharge plasma coupling high-frequency induction sintering is used.The application provides a kind of co-high-entropy carbide cermet material with high-entropy carbide solid solution and high-entropy alloy coexisting, which has excellent comprehensive mechanical properties, high precision and high-speed cutting ability, and shows irreplaceable importance in tool material, precision machining and other fields.
Owner:QILU UNIVERSITY OF TECHNOLOGY (SHANDONG ACADEMY OF SCIENCES)

Motor train unit material distribution vehicle

The utility model relates to the technical field of tool material distribution vehicles, in particular to a motor train unit material distribution vehicle. The motor train unit material distribution vehicle specifically comprises a vehicle body, a data placing area, a material placing area and a tool placing area. The data placing area comprises a hanging plate, and the hanging plate is fixedly connected with the vehicle body and used for placing standard data; the material placing area comprises a loading frame, a placing plate and a plurality of isolation pieces, the isolation pieces are fixedly connected with the loading frame, brake pads are placed between the adjacent isolation pieces, the placing plate is fixedly connected with the loading frame, and the placing plate is used for placing grinders; the tool containing area comprises a drawer, the drawer is connected with the trolley body in a sliding mode, and a first groove used for containing all tools is formed in the drawer. The device has the advantages of being neat in placement and high in operation efficiency.
Owner:GUANGZHOU METRO GRP CO LTD

High-entropy carbide ceramic-based nanocomposite cutting tool material and preparation method thereof

ActiveCN118580078BMicron scaleToughening
The present application relates to the technical field of ceramic matrix composite, in particular to a high-strength and high-toughness high-entropy carbide ceramic matrix composite tool material and a preparation method thereof.The present application uses metal Ni as the metal binder phase of high-entropy carbide ceramic, uses nano-Al2O3 as the ceramic binder phase, and simultaneously introduces graphene as the toughening phase of high-entropy carbide ceramic, so as to realize the synergistic improvement of multiple performances such as hardness, bending strength and fracture toughness of high-entropy ceramic material.Through the multi-scale cross-dimension coupling and regulation of micron-level metal Ni, nano-level ceramic Al2O3 and two-dimensional graphene nanosheet, and by using a suitable spark plasma sintering process, the high-entropy carbide ceramic matrix composite material with optimal performance configuration is obtained.This material has potential application value in the field of tool preparation and application.
Owner:SHANDONG UNIV SHENZHEN RES INST +1

A tool hardness detection device

This utility model relates to the field of tool hardness testing technology, and particularly to a tool hardness testing device, including a testing bracket, a support platform slidably mounted on the testing bracket, a testing support plate rotatably mounted on the support platform, and a pressure application device above the testing support plate; a first limiting device and a second limiting device perpendicularly arranged to the first limiting device are provided on the testing support plate; the first limiting device includes a first limiting module and a second limiting module symmetrically arranged to the first limiting module, the first limiting module including a first limiting upright plate, the first limiting upright plate being vertically fixed to the testing support plate. The tool hardness testing device of this utility model has a clamping device that can achieve clamping and testing of tool materials of different sizes.
Owner:XINYANG DELONG SUPERHARD MATERIAL CO LTD

Dual-purpose tool for roll-on and roll-off transportation and binding of large booster station

The utility model relates to a dual-purpose tool for roll-roll shipping and binding of a large booster station. Comprising a double-layer frame structure, and the double-layer frame structure comprises a lower-layer portal frame set and an upper-layer portal frame set; according to the tool, an existing gantry shelf in a company is modified, the structure is simple, materials are saved, the manufacturing cost is low, the utilization rate is high, and the tool manufacturing period is shortened. The tool can be suitable for other items when not used, and the gantry shelf can be disassembled even if not used, so that the disassembling workload is reduced. When the tool is transferred to a ship along with a module vehicle, the tool is not removed along with the module vehicle and is directly used as a binding tool, so that binding tool materials are saved, the binding workload is also saved, the delivery period is shortened, and project delivery is guaranteed.
Owner:NANTONG ZHENHUA HEAVY EQUIP MFG

Pressure sensor assembly

The utility model relates to a pressure sensor assembly, which solves the problems that the existing pressure sensor assembly is deformed and misplaced due to high-temperature brazing, and the proportion of unqualified products is high. Comprising a pressure chamber part, a pressure deformation element, a deformation supporting element and a signal element shell, a positioning containing hole is formed in the signal element shell, and the deformation supporting element, the pressure deformation element and the pressure chamber part are sequentially stacked upwards in the positioning containing hole from the bottom end of the positioning containing hole, so that positioning control is improved; the assembly concentricity of a pressure chamber part, a pressure deformation element, a deformation supporting element and a signal element shell is controlled within a required range, so that the assembly before brazing becomes very simple, the concentricity of other deformation elements before assembly and welding can be easily controlled, the precision of a brazing tool is reduced, and the production efficiency is improved. And the percent of pass of products is increased, the updating frequency of the tool is reduced, the loss of tool materials is reduced to a great extent, and the production cost is reduced.
Owner:UNIND (SHENZHEN) CO LTD

A method for coating diamond powder on the surface of cemented carbide powder

The present invention discloses a method for coating diamond powder on the surface of cemented carbide powder, comprising the following steps: vacuum pressureless sintering of diamond powder with an average particle size of 0.5-1.5 μm to obtain a core-shell structure of diamond@graphite, then oxidizing the surface graphite to graphene oxide to obtain a modified diamond powder with a core-shell structure of diamond@graphene oxide; impregnating cemented carbide powder with an average particle size of 13-15 μm with dilute acid, and then impregnating with an alcohol solution to obtain hydroxylated cemented carbide powder; uniformly dispersing the modified diamond powder and the hydroxylated cemented carbide powder in anhydrous ethanol, and then performing electrophoretic deposition to deposit the diamond powder on the surface of the cemented carbide powder. The method solves the problem of poor film-based bonding ability of coating tool materials prepared by the prior art, while significantly improving the bonding strength between diamond powder and cemented carbide powder, which is expected to further extend tool life and improve various cutting and mechanical properties.
Owner:SHANDONG UNIV +1