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Metal rubber fan-shaped piece, knuckle bearing shock absorber and preparation method of metal rubber fan-shaped piece
ActiveCN119617042AImprove carrying capacityimprove featuresWire articlesSpringsHigh densityMetal rubber
The invention provides a metal rubber fan-shaped part, a knuckle bearing shock absorber and a preparation method of the metal rubber fan-shaped part, and relates to the technical field of metal rubber, the thickness and n of the metal rubber fan-shaped part meet the following formulas (1) and (2): r1 * (1-cos (360 degrees / 2n)) < = gamma * H (1); h = r1-r2 (2); wherein gamma is equal to 1 / 4; h is the thickness of the metal rubber sector, and the unit is mm; r1 is the outer diameter of the metal rubber sector, and the unit is mm; r2 is the inner diameter of the metal rubber fan-shaped piece, and the unit is mm. Through reasonable design, the metal rubber ring is designed into a plurality of equal parts, heat treatment is carried out on the metal wires, two different molds are adopted for carrying out secondary forming on the blanks made of the metal wires, and therefore the metal rubber fan-shaped piece with the high bearing capacity and the anti-fatigue characteristic is obtained; and meanwhile, the situation that the surface of a high-density fan-shaped piece is prone to flying wires when the high-density fan-shaped piece is formed is avoided.
Owner:UNIV OF SCI & TECH BEIJING
Separation device for prefabricated wire elements and method for operating the separation device
Owner:ROBERT BOSCH GMBH
Bending forming device and bending forming process for high-resilience arch wire
The invention discloses a bending and forming device and a bending and forming process for a high-resilience arch wire, the bending and forming device comprises a straight long-strip mold, the long-strip mold is provided with an arch wire accommodating groove suitable for accommodating the straight arch wire, and the long-strip mold is suitable for being bent into an arch with a plurality of bent parts under the action of external force. After the arch wire is placed in the straight long-strip mold, the long-strip mold and the arch wire are bent together, so that the long-strip mold and the arch wire jointly form an ideal arch shape. In the invention, as the arch wire and the long-strip mold are bent together, the risk of pulling the arch wire is avoided, the diameter of the long-strip mold is thicker, the arch wire is easier to bend by a manipulator, and the arch wire is formed by one-step bending, so that the arch wire is bent more quickly and stably compared with the previous method that the arch wire is roughly bent firstly and then is bent into a groove, and the bending efficiency is improved. And the arch wire bending efficiency and effect are obviously improved.
Owner:WEST CHINA STOMATOLOGICAL HOSPITAL OF SICHUAN UNIV
Machine for forming RFID antennas
Machine for forming RFID antennas, comprising a support structure (3) provided with a support (16) for an RFID substrate, and a plurality of forming pegs (63) having vertical axes fixed with respect to the support (16) and arranged above it so as to define a predetermined path for a wire configured to form the RFID antenna; a wire feeding system (5) comprising a wire guide element (134) and a handling assembly, configured to move the wire guide element (134) along mutually orthogonal horizontal axes so as to wind the wire at least partially around the forming pegs (63) and define said path; a pair of grippers (84) arranged at the ends of said path and operable to assume a closed position, in which the wire is blocked, and an open position, in which the wire is released; and a movable structure (4) carried by the support structure (3) and provided with a thrust element (71) movable vertically between an upper position in which it allows the wire to be wound around the pegs (63) and a lower position in which it deposits the formed antenna on the substrate.
Owner:ABG SYST SPA
A winding tooling and winding method for the heating wire of a molecular beam epitaxy source furnace
This application relates to the technical field of heating tooling, and specifically relates to a heating wire winding tooling and winding method for a molecular beam epitaxy source furnace. The heating wire winding tooling includes: a fixed column, a first fixed plate, a second fixed plate, a first rotating ring, and a second rotating ring; the first fixed plate and the second fixed plate are parallel to each other and are respectively detachably connected to both ends of the fixed column. The circumferential surfaces of the first fixed plate and the second fixed plate are both provided with a plurality of positioning grooves arranged at intervals in a circumferential manner, and each positioning groove penetrates through both side surfaces of the first fixed plate or the second fixed plate in the thickness direction; the first rotating ring and the second rotating ring are respectively rotatably and detachably arranged on the circumferential surfaces of the first fixed plate and the second fixed plate. The first rotating ring and the second rotating ring are both provided with an opening that penetrates the inner and outer circumferential surfaces of the first rotating ring or the second rotating ring, and the size of the opening is adapted to the positioning groove; reduce the probability of the heating wire generating plastic deformation and effectively ensure the uniform distribution of the temperature field of the molecular beam epitaxy source furnace.
Owner:JIHUA LAB
Bending flat wire motor outlet terminal mechanism and flat wire motor flaring mechanism
ActiveCN222563680Uachieve bendingIncrease productivityWire articlesManufacturing dynamo-electric machinesWire rodElectric machinery
The utility model provides a bending flat wire motor outgoing line terminal mechanism and a flat wire motor flaring mechanism, the bending flat wire motor outgoing line terminal mechanism comprises a support frame, a first bending mechanism and a second bending mechanism, the support frame is provided with a support surface used for bearing a stator; the first bending mechanism comprises a first driving device and a first pushing piece, and the first driving device is connected with the first pushing piece and can drive the first pushing piece to move to abut against the wire extending out of the axial end of the inner surface of the stator so as to push the wire to the side where the outer surface of the stator is located; the second bending mechanism comprises a second driving device and a second pushing piece, and the second driving device is connected with the second pushing piece and can drive the second pushing piece to move to abut against the wire located on one side of the outer surface of the stator, so that the wire is bent towards the other axial end of the stator, and automatic bending of the wire outlet end of the flat wire motor is achieved; and the production efficiency and the bending consistency are improved, the bending quality is high, and the mechanism is beneficial to being matched with subsequent automatic equipment production.
Owner:KUKA SYST (CHINA) CO LTD
Method for forming a straight wire section into a bent, cross-section-modulated busbar blank and pressing device for this purpose
The invention relates to a method for forming a straight wire section (14) into a cross-sectionally modulated busbar blank (20) bent in a bending plane by means of a press device, wherein the straight wire section (14) is first bent in the bending plane to form a bent wire section (14), then arranged in an engraving (12) of a lower die (10) aligned parallel to the bending plane and finally, by means of an upper die (18) positioned perpendicular to the bending plane onto the lower die (10), is cross-sectionally formed at least section by section according to a shape predetermined by the engraving (12) and the upper die (18). The invention is characterized in that the two steps of bending and cross-sectional forming are carried out within a common stroke of the press device. The invention further relates to a pressing device for carrying out such a method.
Owner:VOLKSWAGEN AG
Position-adjustable pressing die device for stranding steel wires
Owner:JIANGYIN JUNYI SPECIAL STEEL WIRE TECH CO LTD
Spring bearing device
The utility model provides a spring bearing device. Comprising a transmission table, a transmission assembly is arranged on the inner side of the transmission table, a lifting assembly is arranged at the top of the transmission table, and protection assemblies are arranged on the inner side, close to the left side and the right side, of the lifting assembly. According to the spring bearing device, all parts of the device are arranged in a matched mode, the double-end motor drives the two second bevel gears to rotate, the double-end motor is meshed with the first bevel gear to drive the rotating rod to rotate, and the rotating rod drives the transmission gears on the two sides to rotate; a transmission gear rotates on a rack to complete displacement, so that the stability and the balance of the device are improved, two second protection plates are adjusted to a proper distance under the action of a protection assembly, and after being separated from the winding device, a wound spring stably falls into a bearing frame, so that the safety coefficient of the device is increased, and the device is convenient to use. And accidents caused by rolling of the high-temperature winding spring are avoided.
Owner:YANCHENG CHANGDING SPRING MFG CO LTD
Biodegradable molybdenum-based flow diverter and preparation method thereof
The present invention discloses a biodegradable molybdenum-based flow diverter and a preparation method thereof, wherein the preparation method comprises the following steps: step 1. pretreatment of a molybdenum wire: cleaning and drying the molybdenum wire, and then weaving to obtain the molybdenum-based flow diverter; step 2. performing heat treatment on the molybdenum-based flow diverter in the step 1; and step 3. performing surface chemical polishing treatment on the molybdenum-based flow diverter subjected to the heat treatment in the step 2. The present invention solves the technical problem that the flow diverter in the prior art cannot be degraded in vivo and therefore easily causing various complications. It provides also improved mechanical property, MRI magnetic resonance imaging (MRI) compatibility as well as biocompatibility, and particularly has the function of promoting rapid endothelialization, compared with other degradable materials.
Owner:SOUTHWEST JIAOTONG UNIV
Non-heat-treated concrete-reinforced steel fiber wire, steel fiber, and method for producing same
The invention provides a steel fiber wire for reinforcing concrete. Steel fibers; the present invention relates to a reinforced concrete and a method for manufacturing the same, the steel fiber wire of which does not undergo LP heat treatment during drawing, does not break when repeatedly bent at 90 degrees for 10 or more times, and has a tensile strength of 1,700 MPa or more, and a method for manufacturing the same. A steel fiber wire rod of reinforced concrete according to one embodiment of the present invention contains, by weight%, 0.005% to 0.035% of C, 0.07% to 0.3% of Si, 0.07% to 0.2% of Mn, 1.0% to 2.2% of Cr, 0.05% or less of P, 0.05% or less of S, and the balance Fe and other unavoidable impurities, and satisfies expression 1. [Expression 1] [C] + 0.17 * [Mn] + 0.25 * [Cr]-0.62 < = 0 ([C], [Mn], and [Cr] each represent wt%. ).
Owner:POHANG IRON & STEEL CO LTD
Hairpin coil flattening control system and method therefor
A system for processing a rectangular material from a coil is provided. The system may include an unwinding unit configured to unwind a rectangular material from a coil wound on a bobbin, a flattening device configured to flatten the unwound rectangular material, a shaping device configured to transform the flattened rectangular material into a shaped hairpin configuration; a reader configured to recognize, based on scanning an identification code of the bobbin mounted on the unwinding unit, batch information, and a controller configured to store, based on the batch information, a reference graph of a pressing amount for each batch of the bobbin set through a test; calculate, based on the stored reference graph and a change in physical properties of a rectangular material, a pressing amount for a rectangular material; and selectively control, based on the calculated pressing amount, a pressing amount of an individual flattening roller of flattening rollers.
Owner:HYUNDAI MOTOR CO LTD +1
Method and system for manufacturing a retaining wire
The present invention relates to a method and a system for manufacturing a retaining wire (11), said retaining wire (11) having a shape which is folded along the lingual surface of a set of teeth (12). To this end, a wire that is made of a shape-memory material and has a rectangular cross-section comprising a plurality of braided strands is assembled in the groove of a mould, said groove defining said folded shape. The shape-memory material is then activated.
Owner:SIB TECH ORTHODONTICS
Metal rubber blank and preparation method thereof and metal rubber molded part
The present invention provides a metal rubber blank and a preparation method thereof and a metal rubber molded part, and relates to the field of metal rubber technology. The preparation method limits some detailed parameters (such as the winding height of the spiral winding on the mandrel, etc.) during the preparation of the metal rubber blank and sets the winding nodes, so that the hooking / meshing between the metal wires inside the prepared metal rubber blank is consistent, the tightness between the blank and the mandrel is consistent, and the same tension is maintained, which provides a good foundation for the subsequent preparation of the metal rubber molded part. The present invention also provides a metal rubber molded part, which is made using the above-mentioned metal rubber blank. In view of the advantages of the above-mentioned metal rubber blank, the metal rubber molded part made therefrom has good stiffness and damping performance.
Owner:UNIV OF SCI & TECH BEIJING
Hot straightening machine and method capable of adjusting straightening heat in real time
The invention relates to the technical field of straightening machines, in particular to a hot straightening machine capable of adjusting straightening heat in real time and further relates to a method capable of adjusting the straightening heat in real time. Comprising a workbench, a heating mechanism arranged on the workbench, inclined straightening structures arranged on the two sides of the heating mechanism, a horizontal straightening mechanism arranged beside the inclined straightening structures, a longitudinal straightening mechanism arranged beside the horizontal straightening mechanism and two feeding mechanisms arranged beside the longitudinal straightening mechanism. The two feeding mechanisms each comprise a second fixing base, the second fixing bases are fixed to the two sides of the upper end face of the workbench, and second limiting grooves are symmetrically formed in the second fixing bases. The feeding wheel is matched with the protrusions on the surface of the workpiece through the bosses to drive the workpiece to be stably fed, and the problem that in the feeding process of the hot straightening machine, the meshing force between the feeding wheel and the workpiece surface is insufficient, the slipping phenomenon occurs, and then the workpiece is stopped is solved.
Owner:ZHEJIANG MINGHE STEEL PIPE CO LTD
Intelligent beam loading and lifting machine
The present invention provides an intelligent lifting beam installation machine, which integrates the steps of bending and installing the lifting beam on the barrel body production line, so that the installation of the lifting beam is fast and efficient, and the lifting beam installation effect is ensured. It includes a barrel body conveying production line, and a lifting beam installation station is arranged on the barrel body conveying production line, and a lifting beam installation frame is arranged above the lifting beam installation station, and a lifting beam installation part is arranged on the lifting beam installation frame corresponding to the installation station directly below the installation station, and a lifting beam conveying path is arranged on the side of the lifting beam installation frame corresponding to the lifting beam installation part, and a wire connection turntable is arranged at the end output part of the lifting beam conveying path, and a wire pusher is arranged on the side of the wire connection turntable away from the lifting beam installation part, and the lifting beam installation part specifically includes a lifting beam forming lower backing mold with a fixed height position and a lifting beam forming pressure plate that can be lifted vertically, and the wire pusher pushes the wire horizontally into the upper end positioning surface of the lifting beam forming lower backing mold.
Owner:SUZHOU HYCAN HLDG CO LTD
Threaded ties and rods
Method and means of manufacturing ties, fasteners and rods (15) having a plurality of longitudinal threads by forcing a coil of roll-profiled feed-wire made of steel (11) through a twisting-die made of plastic (1). Also described is: a twisting-die made of plastic (1) that is suitable for twisting profiled feed-wire (11) made of steel; a method of forming a plastic twisting die (1) using an axially driven tap (31) in the form of a twisted rod (15); and a helically-shaped member (15) having lead measurements (X) along the length of the helical thread that vary less than pitch measurements (Y) along the lengths of the helical threads.
Owner:PROD LICENSING CO LTD
Exclusion device covers and related methods
Exclusion devices for anatomical structures, and related instruments and related methods, are disclosed. An exemplary method of making an exclusion device for an anatomical structure may comprise assembling a clamping portion of an exclusion device comprising a beam and a biocompatible fabric cover, and securing the cover on the beam by ultrasonic welding a first portion of the cover to a second portion of the cover.
Owner:ATRICURE INC
Flat wire 3D shaping device and stator wire shaping system
The application provides a flat wire 3D forming device and a stator wire forming system, and belongs to the field of automobile intelligent manufacturing. The flat wire 3D forming device comprises a mold pressing tower forming mechanism, a 2D flat wire feeding mechanism and a 3D flat wire receiving mechanism. The mold pressing tower forming mechanism comprises lower die assemblies of different models, upper die assemblies of different models, a mold pressing driving assembly, a sliding mounting plate, a lifting switching assembly and a fixed back plate frame. The lifting switching assembly drives the sliding mounting plate to lift as a whole to switch different models of dies at a processing position. The mold pressing driving assembly drives the lower die assembly and the upper die assembly on the corresponding side to realize 3D forming of the flat wire by mold pressing. The mold pressing tower forming mechanism can be used for batch 3D mold pressing forming of 2D flat wires of different models and specifications. The die switching speed is high. In combination with the 2D flat wire feeding mechanism and the 3D flat wire receiving mechanism, the application realizes intelligent batch production, has high production efficiency and high qualification rate, and is convenient for popularization and application in the field of automobile intelligent manufacturing.
Owner:TZTEK TECHNOLOGY CO LTD
A wire brush production line
The present invention discloses a brush wire production line. After the brush wire is unreeled from a wire coil, it is formed by a forming machine. The production line successively includes an unreeling structure, a preliminary alignment mechanism, a precise alignment structure, a traction mechanism, a forming machine, and a blanking mechanism. The unreeling structure includes an unreeling roller. The preliminary alignment mechanism includes at least three preliminary alignment wheels. The precise alignment structure includes at least two pairs of precise alignment wheel sets. The traction mechanism includes a driving traction wheel and a driven traction wheel. The driving traction wheel is driven to rotate by a motor. The forming machine includes a feed inlet and a discharge outlet. The blanking mechanism includes a conveyor belt. A receiving box is provided at the end of the conveyor belt. The head end of the conveyor belt is located directly below the discharge outlet. In the brush wire production line of the present invention, two straightening steps of preliminary alignment and precise alignment are used for wire straightening, and the straightening effect is good. During the wire straightening process, coolant is respectively used for cooling to avoid excessive wire temperature, reduce the residual internal stress, avoid brush wire deformation, and improve the product yield rate.
Owner:JIAXING NBG ELECTRIC CO LTD
Fishhook processing and forming equipment
The invention discloses fishhook processing and forming equipment, and relates to the technical field of fishhook processing, and adopts the technical scheme that the fishhook processing and forming equipment comprises a rack, a bottom plate is fixedly connected to the top of the rack, a rotating block is embedded in the bottom plate, a workbench is fixedly connected to the top end of the rotating block, the bottom end of the rotating block is connected with the inner wall of the bottom of the rack, and a plurality of auxiliary assemblies are arranged on the workbench; the rotating block is connected with the bottom plate and the rack through a damping bearing; the sleeve is fixedly connected to the top of the bottom plate, the rotating block is sleeved with the sleeve, and the top of the sleeve is fixedly connected with an arc-shaped bevel gear ring I; the device has the beneficial effects that an auxiliary assembly can turn over during circular motion, and a threaded rod on the auxiliary assembly can rotate during turning over, so that a threaded block, a moving block, a moving rod and a top block can move in the axis direction of the threaded rod, and a fishhook can be pushed out of a first groove; in this way, the fishhook can be automatically taken out of the device, and manual taking out is not needed.
Owner:SHANDONG BINZHOU YINA FISHING TACKLE CO LTD
Exclusion devices and related methods
Exclusion devices for anatomical structures, and related instruments and related methods, are disclosed. An exclusion device for an anatomical structure may include a first beam, a second beam, and / or at least one spring operatively coupled to the first beam and the second beam to exert a closing force on the first beam and the second beam and bias the first beam and the second beam in a closing direction. The spring may be operatively coupled to the first beam by a crimp connection.
Owner:ATRICURE INC
Technologies for fiber nanotechnology
Technologies for fibers with nanotechnology is disclosed. In the illustrative embodiment, a preform is 3D printed with one or more sacrificial cores and one or more hollow channels. The preform is drawn into a fiber, and one or more metal core(s) is inserted into the hollow channel during the fiber draw. The fiber is then heated, breaking up the sacrificial cores into balls through capillary action. The fiber can be etched, exposing the balls made up of the sacrificial cores. The balls can be selectively etched, exposing the metal core(s) of the fiber. Additional embodiments are disclosed.
Owner:THE TRUSTEES OF INDIANA UNIV
Steel wire thread insert machining die
The utility model relates to the technical field of steel wire thread insert machining, in particular to a steel wire thread insert machining die which comprises a long plate. A plurality of threaded columns with different diameters are installed on the upper end face of the long plate at equal intervals, square blocks are installed on the two sides of the long plate in a sliding mode, hydraulic telescopic columns are installed at the top ends of the two square blocks, the top ends of the two hydraulic telescopic columns are jointly connected with wire winding equipment, and the wire winding equipment comprises a transverse plate. Through the arrangement of the long plate, the threaded columns, the square blocks, the hydraulic telescopic column, the rotating motor, the rotating shaft, the short plate and the vertical plate, the hydraulic telescopic column is driven by the two square blocks to slide on the side face of the long plate, then the threaded columns with different diameters can be selected for machining, and then the rotating shaft is driven by the rotating motor to rotate; the rotating diameter of the vertical plate is adjusted through the short plate installed in a sliding and inserted mode, then the rotating height of the vertical plate is driven through the hydraulic telescopic column, steel wire thread inserts of different sizes are conveniently machined, different molds do not need to be replaced, and the production cost is saved.
Owner:HEBEI SHENZHU HEAVY IND MACHINERY MANUFACTURING CO LTD
Production machine tool for U-shaped buckles made of metal materials
The invention discloses a production machine tool for U-shaped buckles made of metal materials, and relates to the technical field of metal machining. A plurality of guide grooves are formed in the tops of a guide rail and an extrusion rail, an assembly frame is mounted at the top of the extrusion rail, a plurality of T-shaped grooves are formed in the two sides of the bottom of the assembly frame at equal intervals, and limiting blocks are slidably connected into the T-shaped grooves; the extrusion wheels are driven by the extrusion electric push rods to move, the extrusion wheels are attached to the bent R angles on the two sides of the top of the buckle, and under the alternate extrusion effect of the multiple extrusion wheels, the buckle can be extruded, so that the buckle can be extruded, and the buckle can be conveniently and rapidly extruded. The internal stress distribution of the buckle is adjusted, the stress state of a material is improved, cracks are prevented from being generated at the position of the bent R angle, the product quality is improved, the eccentric wheel rotates to drive the buckle to vibrate, the residual stress in the buckle is further reduced, and the product quality is further improved.
Owner:JIANGXI SHENGMAO PACKAGING MATERIALS CO LTD
A copper wire cutting device and method
The present invention discloses a copper wire cutting device and method, which includes a workbench and a cutting mechanism. A film covering mechanism, a feeding mechanism, and a cooling mechanism are arranged on the workbench. The cutting mechanism includes a hydraulic telescopic rod, a sliding table, and a cutting tool. The hydraulic telescopic rod is fixedly installed at the upper end of the workbench, the sliding table is installed at the bottom of the hydraulic telescopic rod, and the cutting tool is installed at the bottom of the sliding table. The film covering mechanism includes a first copper wire fixing seat and a second copper wire fixing seat that cooperate with each other. The feeding mechanism includes a feeding box, a feeding roller, and a first paddle. The feeding mechanism is installed at the rear side of the film covering mechanism. The cooling mechanism includes a refrigerant bottle, a nozzle, a valve core, and a second paddle. The cooling mechanism is installed in the second copper wire fixing seat. The present invention has the advantages of being able to cover the film in time to prevent the copper wire from oxidizing, improving the quality and production efficiency of the copper wire, and solving the problems that the traditional cutting method easily causes the oxidation of the end face of the copper wire, affects its electrical performance, and increases the subsequent processing cost.
Owner:SHANGRAO DAJIANG COPPER CO LTD
Pin shaping mechanism and use method thereof
The invention discloses a pin shaping mechanism and a use method thereof, and relates to the technical field of metal wire processing, and the pin shaping mechanism comprises a mounting seat used for positioning a circuit board; and the trimming mechanism is used for trimming the pins. According to the invention, the trimming mechanism is arranged to realize bending and trimming of the pins, so that the pins are not contacted with adjacent electronic components and circuit structures, and damage to the electronic components and short circuit risks are avoided; the pins are bent and trimmed, so that the bent pins are matched with the circuit board to form a clamping effect on the soldering tin, and the pins cannot be directly pulled out from the circuit board under the influence of vibration when the soldering tin and the pins are loosened due to vibration of the electronic component; at the moment, the electronic component can still be normally used after slight loosening, and the problem of circuit break caused by separation of the electronic component and the circuit board is further reduced.
Owner:HUANGSHAN TENGYUN AUTOMATION ENG EQUIP CO LTD
Full-automatic guide wire J-bend shaping device
The invention belongs to the field of guide wire bending processing, and particularly relates to a full-automatic guide wire J-bend shaping device which comprises a front end material pulling mechanism, a rear end material pulling mechanism, an upper end material pulling mechanism and a lower end material pulling mechanism. A shaping path for shaping the J bend of the guide wire is formed from the rear end material pulling mechanism to the front end material pulling mechanism; and the feeding mechanism corresponds to the shaping path. According to the device, the guide wire is automatically fed to the shaping path through the feeding mechanism, so that the front end of the guide wire is bent at the front-end material pulling mechanism and clamped by the front-end material pulling mechanism, the rear end of the guide wire is clamped by the rear-end material pulling mechanism, and at the moment, the guide wire is wound at the guide wire winding position to be bent; the bent guide wire is repeatedly pulled through the front-end material pulling mechanism and the rear-end material pulling mechanism, so that the guide wire is quickly and automatically subjected to J-bend shaping; and based on full-automatic feeding and machining in the whole process, the labor cost can be effectively reduced, and the machining efficiency of the guide wires is improved.
Owner:SHENZHEN TIANLICHENG INTELLIGENT TECHNOLOGY CO LTD
A cold heading formed screw sleeve and forming method
The present invention discloses a cold-heading forming screw sleeve and a forming method, which relates to the technical field of cold-heading forming screw sleeves. In order to solve the problems in the prior art that in the prior art, to realize this special-shaped curved surface connecting base, machining and other methods are adopted, but its production efficiency is low, the material utilization rate is not high, etc., resulting in high costs. One end of the screw sleeve body is provided with a welding matching curved surface, and the other end of the screw sleeve body is provided with a positioning surface. A locking screw groove is arranged inside the positioning surface, a tool withdrawal groove is arranged below the locking screw groove, and a cylindrical through hole is arranged at the bottom of the tool withdrawal groove. The cylindrical through hole penetrates and extends to the surface of the welding matching curved surface. The blank forming except for the internal thread of the curved surface connecting base is realized by a six-station high-speed forming machine. After the blank forming, the machining of the internal thread of the connecting curved surface connecting base, the thread tool withdrawal groove, and the cylindrical through hole is completed by a numerical control lathe.
Owner:ESSENCE FASTENING SYST (SHANGHAI) CO LTD