159results about How to "Reduced processing performance" patented technology

The invention relates to the technical field of perforating machines, in particular to a full-automatic double-head perforating machine which comprises a supporting frame, a workbench is fixedly connected to the top of the supporting frame, sliding rails are fixedly connected to the two sides of the top of the workbench, sliding blocks are slidably connected to the tops of the sliding rails, and bearing plates are fixedly connected to the tops of the sliding blocks. Opposite punching motors are fixedly connected to the tops of the bearing plates correspondingly, punching heads are fixedly connected to the output ends of the punching motors, first electric telescopic rods are fixedly connected to the side wall of the workbench, the output ends of the first electric telescopic rods are fixedly connected to the side walls of the bearing plates, and a punching table is fixedly connected to the middle of the top of the workbench. The top of the workbench is fixedly connected with a supporting table, and the top of the supporting table is fixedly connected with a second electric telescopic rod. Compared with the prior art, the automatic bar placing and taking-out device effectively and automatically places and takes out bars, tedious operation of manual intervention is avoided, and the production efficiency is remarkably improved.

The invention relates to the technical field of flame-retardant materials, in particular to a vanillin-derived nitrogen-phosphorus synergistic flame retardant as well as a preparation method and application thereof. The preparation method comprises the following steps: carrying out aldehyde-amine condensation reaction on vanillin and p-phenylenediamine to generate a Schiff base intermediate with a characteristic group-C = N-; and carrying out addition reaction on the intermediate and reactive hydrogen connected with a phosphorus atom on 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, so as to obtain the vanillin-derived nitrogen-phosphorus synergistic flame retardant. The flame retardant obviously improves the flame retardant grade of the high polymer material under the condition of lower addition amount, does not release toxic and harmful gases in the combustion process, and meets the requirements of greenness and environmental protection. The flame retardant has good compatibility with high polymer materials such as thermoplastic polyurethane and the like. The preparation method of the flame retardant is controllable in reaction process, large-scale production is easy to realize, an innovative and feasible solution is provided for flame retardance of high polymer materials, and the flame retardant is expected to be widely applied to the fields of electronics, automobiles, buildings and the like.

The invention relates to an incremental forming preparation device and method for preparing a thin-wall component with a double-gradient structure based on thermal coupling cyclic loading, and the device comprises a clamp supporting tool, a driving device and a rotatable tool head, the clamp supporting tool is used for clamping a to-be-formed plate, exerting back reaction force when the plate is formed in the forward direction and providing a supporting effect when the plate is formed in the reverse direction. The driving control unit adjusts the deformation condition of the local area of the plate through the motion state (pressing amount and rotating speed) and the motion track of the tool head, and the high-performance thin-wall forming part of the double-gradient structure with the grain forward gradient and the dislocation density reverse gradient in the thickness direction is prepared under the thermal-mechanical coupling cyclic loading condition. Compared with the prior art, the novel double-gradient structure is prepared through the thermal coupling incremental forming technology, the thin-wall formed part is prepared at the same time, the toughness performance of the formed part can be remarkably improved, the machining cost is effectively reduced, and the machining efficiency is improved.

The invention discloses an environment-friendly macromolecular modifier PVC (polyvinyl chloride) composition, and belongs to the technical field of polyvinyl chloride materials. The composition comprises the following components in parts by weight: 100 parts of PVC, 1-50 parts of a polycarbonate toughening modifier and 0-30 parts of an auxiliary agent. The polycarbonate toughening modifier with a certain polymerization degree is used as the modifier of the PVC material, the plasticity, toughness, impact resistance and other properties of PVC can be obviously improved, the polycarbonate toughening modifier is a macromolecular polymer and cannot be separated out in the use process, the safety of the PVC material is improved, and the service life of the PVC material is prolonged.

The invention relates to the technical field of leather processing, in particular to a leather forming processing device for automotive trim. The device comprises a pretreatment device and a mold device, the rear side of the mold device is connected and provided with a trimming device, the front side of the mold device is connected and provided with a heating device, and the mold device is internally provided and connected with a cooling device. The pretreatment device is used for improving the quality and the processing efficiency of leather, improving the consistency of products and effectively shortening the production cycle, the mold device is used for forming the leather, ensuring the size accuracy and effectively improving the consistency of the products, and the heating device is used for softening the leather, facilitating subsequent processing, improving the process effect and effectively improving the quality of the products. The cooling device is used for rapidly cooling leather, stabilizing the size and effectively improving the product precision, the trimming device is used for finely adjusting the leather and improving the finished product quality, and the safety monitoring device is used for guaranteeing the safety of the machining process and effectively improving the operation safety.

The invention provides an air rudder, and belongs to the technical field of air rudders. The control surface skin is arranged outside the rudder skeleton and surrounds the rudder skeleton, the control surface skin is connected with the rudder skeleton, and a mounting cavity is formed between the control surface skin and the rudder skeleton; the rudder shaft is connected with the rudder framework and located at the bottom of the rudder framework; the rudder skeleton, the rudder surface skin and the rudder shaft are integrally formed through three-dimensional printing. The air rudder has the beneficial effects that the rudder framework, the rudder surface skin and the rudder shaft are integrally formed through three-dimensional printing, connection of the air rudder and an aircraft can be achieved, no screw or rivet or other connecting structures exist among the rudder framework, the rudder surface skin and the rudder shaft, the rigidity of the air rudder can be enhanced, the assembling clearance of the air rudder is reduced, the machining and assembling procedures are reduced, and the cost is reduced.

The present invention discloses a pulse current assisted cutting system and a processing method, the system includes an electric pulse assisted processing device and a laser surface roughness online detection device; the electric pulse assisted processing device includes a high-frequency pulse generator and a fixture, the high-frequency pulse generator is connected to the fixture through a wiring cable, and the fixture is clamped on the fixture of a five-axis machining center; the laser surface roughness online detection device includes a laser roughness detection head, a holder and an oscilloscope, the holder is fixed on the tool magazine of the five-axis machining center, the laser roughness detection head is clamped on the top of the holder, the focus point points to the machined surface of the workpiece, and the laser roughness detection head is connected to the oscilloscope through a signal line. The present invention solves the problems of work hardening and severe tool wear faced by titanium alloys during processing, and can effectively ensure the stability of product quality and improve the production efficiency of titanium alloy components.

The invention relates to a bio-based polyurethane foam mulching film composition and a preparation method and application thereof.The mulching film composition comprises a component A and a component B. The component A comprises soybean oil polyol, nano cellulose hydrogel, a foam stabilizer and a catalyst, and the catalyst is an organic tin catalyst and / or an amine catalyst; and the component B is isocyanate. The component A and the component B are mixed, atomized and sprayed out, and the foam film with good spraying performance and physical performance is obtained. The method not only solves the problem of excessive dependence on petroleum-based polyether polyol in the field of polyurethane foam, but also does not need to additionally introduce a foaming agent. The mulching film not only has heat preservation and moisture preservation functions of a traditional mulching film, but also has biodegradability, is beneficial to reduction of soil pollution, and meets the requirements of environmental protection and sustainable development. The method is simple and feasible, and is suitable for large-scale production, popularization and application.

The invention discloses a preparation method of a polymer microporous material, and relates to the field of polymer microporous material research. The microporous material prepared by the invention has rich and controllable pore structures, and the permeability and hydrophilicity of the material are remarkably improved, so that the microporous material can quickly absorb moisture and keep a wet state; and meanwhile, effective regulation and control on the microporous structure are realized by adjusting process parameters such as solution concentration, solvent type, coagulating bath temperature and time. In addition, the mechanical strength and stability of the material are enhanced through uniform micropore distribution, and the reliability of the material in practical application is ensured. The polymer microporous material shows excellent hydrophilicity and structural stability, and is suitable for the fields of water treatment, environmental protection and the like.

The invention relates to the technical field of buildings, and discloses a recyclable universal back arris and a mounting method.The recyclable universal back arris comprises two back arris bodies and a connecting frame, each back arris body comprises two camber beams, a plurality of connecting plates are welded between the two camber beams, and the connecting frame is connected with the camber beams. The camber beams, the connecting plates and the connecting frames are all made of steel. The ends, close to each other, of the two back ridge bodies are slidably connected to the outer side of the connecting frame, and an adjusting mechanism is arranged in the connecting frame. The back arris is reasonable in design, the back arris is made of steel, the back arris has extremely high strength and bearing capacity, the back arris can be conveniently and rapidly installed through the installed installation mechanism, the installation mode is high in universality, and therefore the back arris can be suitable for different use scenes, cyclic utilization of the back arris is facilitated, and the concept of green construction is met; the length of the back ridges can be adjusted according to needs through the adjusting mechanism, and the flexibility and adaptability of construction are improved.

The utility model provides an optical element, an optical assembly and an optical lens. The optical element comprises an outer ring surface far away from an optical axis; the inner ring surface is close to the optical axis, the inner ring surface is an inclined surface, a plurality of extinction structures arranged at intervals are arranged on the inner ring surface, any extinction structure is composed of a plurality of tooth grooves, and the tooth groove section shapes of the extinction structures on the same inner ring surface comprise one or more types; the object side surface and the image side surface are connected with the outer ring surface and the inner ring surface; the extinction structures on the inner ring surface are irregularly arranged at intervals or uniformly arranged at intervals; the tooth groove section shape of the extinction structure comprises one or more of an irregular triangular tooth groove, an irregular trapezoidal tooth groove, an irregular arc-shaped tooth groove and an irregular rectangular tooth groove. The light reflectivity of the optical element is less than or equal to 10%; at least five tooth grooves are contained in any radian with the angle of 45 degrees on the inner ring face. According to the utility model, stray light related to the pressing ring can be improved and weakened, and the structure strength is enough.

The invention relates to the technical field of straightening equipment, and discloses an automatic matching straightening machine for shaft workpieces, which comprises a machine body, a plurality of linear sliding rails for a plurality of mechanisms to linearly move are arranged on the machine body, and strip-shaped tooth grooves matched with moving gears are formed in the two sides of the interior of the machine body; one side of the machine body is provided with a PLC (Programmable Logic Controller) control cabinet for calculating input shaft workpiece data information and generating a control signal, and the PLC control cabinet is used for controlling each mechanism on the machine body in an operation process. By adding and arranging the movable detection mechanism, when the shaft workpiece is straightened, the movable detection mechanism adopts a lever type detection structure, can be tightly attached to the surface of the shaft workpiece, sensitively captures bending deformation information of the workpiece, realizes accurate acquisition of deformation, avoids subjectivity and errors of manual detection, and improves the straightening accuracy of the shaft workpiece. And full-length movement detection can be realized along a linear sliding rail, all parts of the shaft workpiece are covered, and the condition of missing detection of a deformation position is avoided.

This utility model relates to a casting mold for an arc-shaped component of an automotive shock absorber, comprising a feed block, a positioning block located behind the feed block and cooperating with it, a base plate located behind the positioning block, and a ejector mechanism located between the base plate and the positioning block; it also includes a movable core block embedded inside the rear side of the feed block and a positioning core block embedded inside the front side of the positioning block and cooperating with it; two side core-pulling assemblies are also provided between the feed block and the positioning block, which are respectively distributed vertically. The side core-pulling assembly includes a slider movably connected to the front side of the positioning block to enable left and right translation and located to the right of the positioning core block, a hydraulic cylinder fixed to the right outer wall of the positioning block, and a side forming block fixed to the left outer wall of the slider; this utility model simplifies the structure and reduces processing and manufacturing steps while ensuring easy demolding, and can process two arc-shaped components simultaneously in a single casting process, thereby improving production efficiency.

The invention relates to the technical field of precious metal alloy material manufacturing, in particular to a process for hardening treatment of gold through micro-nano metal powder, which comprises the steps of blank charging, smelting, vacuum ingot casting, surface cleaning, rolling stretching and age hardening, product surface treatment, product welding and the like. The method has the advantages that in the aspect of material selection, the micro-nano metal powder, such as titanium powder and cobalt powder, is diversified and is small in adding amount, various strengthening mechanisms can be provided, and the economical efficiency is guaranteed. The smelting process is accurate, good vacuum and temperature control is achieved, and stirring is uniform after micro-nano metal powder is added. And rapidly solidifying the cast ingot by using a water-cooling copper mold, treating the surface by using aqua regia and the like, and drying. Midway annealing can be executed through rolling and stretching, and the process is flexible. Product manufacturing processes are diversified, and surface treatment includes polishing, electroplating, coloring and the like. Advanced modes such as laser are adopted for welding to avoid hardness reduction. According to the process, the gold hardening treatment effect and quality are improved from multiple aspects, different requirements are met, and wide application prospects are achieved.

The utility model relates to fastener production technical field discloses fastener elastic sheet type catch hook continuous forming mould, including lower mould, the upper surface of lower mould is set up with a plurality of mould grooves, both sides of lower mould all are fixedly connected with two fixed links, the outside slide connection of fixed link has the connecting frame, a plurality of connecting frames between fixedly connected with upper mould, the lower surface of upper mould is fixedly connected with a plurality of modules, the lower surface of lower mould is set up with recess, recess's inside fixed mounting has the step motor, and the output of step motor is provided with anti -drifting subassembly. The utility model discloses utilize two mutually close limit link, fast to the metal sheet that places in a plurality of mould grooves is limited, and promotes the offset metal sheet to correct position, makes it align mould groove and processes, and with the support shell of up -and -down, after the metal sheet is processed into a plurality of catches and is in the mould groove inside, pushes it up, the metal sheet is convenient for from mould groove fast to break out to reduce the adhesion.

The embodiment of the utility model discloses a platform for testing an automatic tool changing mechanism of a tool magazine. The platform comprises a base; the fixing mechanisms are arranged on the base, and each fixing mechanism is used for fixing the tool magazine to the base; the three dial indicators correspond to the fixing mechanisms respectively and are arranged to be fixed relative to the base, and when the tool changing arm rotates around the rotating axis to be converted from the tool taking position to the tool installing position, the positioning surface of the tool changing arm abuts against the three corresponding dial indicators to generate three actual readings; the calculation unit is used for calculating an actual included angle between an actual plane determined by the three actual readings and a reference plane determined by the three reference readings, and when the positioning surface of the tool changing arm in the tool mounting position is located in an expected plane, the three corresponding dial indicators are pressed against and generate the three reference readings; and the judging unit is used for judging that the spatial orientation of the positioning surface of the tool changing arm in the tool mounting position does not meet the requirement when the actual included angle is greater than the threshold included angle.

The utility model relates to a steel bar truss floor support plate structure which comprises an upper chord rib, a lower chord rib and web member steel bars arranged between the upper chord rib and the lower chord rib, the upper chord rib is arranged at the top end of the lower chord rib, the upper chord rib and the lower chord rib are arranged in a triangular structure, and the web member steel bars are symmetrically arranged on the two sides of the upper chord rib in the length direction. Arc-shaped ends are arranged at the top ends of the web member steel bars, L-shaped ends are arranged at the bottom ends of the web member steel bars, the included angle of the arc-shaped ends is alpha and abut against the upper chord rib, the included angle of the L-shaped ends is beta and abut against the lower chord rib, the bottom ends of the L-shaped ends abut against the bottom die steel plate, and support vertical steel bars are fixedly connected between the two ends of the upper chord rib and the bottom die steel plate respectively. And the top ends of the support vertical reinforcements and the lower chord reinforcements are fixedly connected with the two ends of the web member reinforcements. The steel bar truss floor support plate structure has the advantages that safety and stability are improved, assembly is convenient, the construction period is shortened, efficiency is improved, labor is reduced, and economical efficiency is improved.

The utility model discloses a spinning machine, including main pressure lever, pressure disc, clamping material mandrel and pressure mechanism. Pressure disc and clamping material mandrel are used to clamp work piece between both and drive work piece rotation, and pressure mechanism is used to pressurize to work piece to make work piece spinning forming along the pressure disc periphery surface. Pressure disc is connected in the first end of main pressure lever, and the first end of main pressure lever is equipped with ball head, and the ball socket of shape matching ball head is equipped on pressure disc, and ball head is movably inserted into ball socket, and makes main pressure lever and pressure disc form ball hinge. The spinning machine in the application can adapt to the work piece in the process of wheel spinning manufacturing, realize the adhesion between the pressure disc and the work piece, keep good contact, improve the flatness quality of the work piece in the process of wheel spinning, and reduce the increase process and waste cost caused by instability.

The invention provides a tool servo-driven multi-station metal sheet grooving device, and particularly relates to the technical field of metal sheet grooving machining, the device is based on a base, a first DD motor with a driving mechanism is arranged in the center of the base, and a positioning unit capable of achieving X-axis and Y-axis accurate adjustment is assembled at the top of the base; five sets of feeding conveying units driven by servo motors are evenly arranged on the base along the circumference of the first DD motor, each set of feeding conveying units is matched with a set of grooving machining units, the grooving machining units are in sliding fit with a feeding conveying module through feeding adjusting units, and a cutter set is driven through the servo motors and a synchronous transmission structure to achieve metal sheet grooving operation. The equipment is further provided with a workpiece fixing base matched with the positioning unit and a pentagonal protection structure covering the machining area. According to the equipment, through multi-station circumferential layout and full-servo drive control, automation of the metal sheets is achieved, the efficiency and precision of grooving machining of the metal sheets are greatly improved, and the safety of machining operation is higher.

The utility model discloses a valve position feedback structure and plug valve belongs to plug valve technical field. Include: valve stem, its operating end is set to cylinder structure and forms valve stem cylinder surface, simultaneously valve stem forms valve stem plane along the axial cutting, micro -switch, its setting is in valve stem side part, and micro -switch has trigger button, and trigger button is arranged with valve stem adjacent, wherein, when valve stem is in initial position, valve stem plane is opposite parallel with trigger button and both do not contact, when valve stem rotates, the edge of valve stem plane extrudes trigger button, when valve stem rotates to the maximum opening, valve stem cylinder surface fully oppresses trigger button. Through the cooperation structure of valve position feedback function integration in valve stem and micro -switch, the complex linkage components such as limit switch, connecting rod, corner sensor required by traditional valve are saved, and the number of parts is reduced significantly, and the overall structure compactness and reliability are improved.

The objective of this invention is to minimize the causes of etching defects or pinholes in ultrathin ferroalloy foils with a thickness of 10–30 μm, which are suitable for high-precision metal masks for electronic components. To solve the above-mentioned technical problems, an iron alloy foil is manufactured as follows: comprising C: 0.150% or less, Si: 2.00% or less, Mn: 10.00% or less, Ni: 2.00 to 50.00%, Cr: 19.00% or less, N: 0.20% or less, Al: 0.030% or less, Co: 5.00% or less, Mg: 0.0005% or less, Ca: 0.0005% or less, Ti: 0.01% or less, P: 0.035% or less, S: 0.0300% or less, with the remainder consisting of Fe and impurities; relative to the total mass of inclusions with a particle size of 2.00 μm or more, Al2O3: 30% or less by mass, MgO: 15% or less by mass; among the inclusions with a particle size of 2.00 μm or more, the proportion of inclusions with a particle size of 5.00 μm or less is 80.00% or more.

A drill bit includes a land on which a number of bore wall machining pieces are machined, the bore wall machining pieces being arranged along an axis and forming a first set of machining bodies and a second set of machining bodies. The first set of machining bodies are located in two parallel rows of the second set of machining bodies, and the first set of machining bodies and the second set of machining bodies are distinguished through row separation groove bodies. A first separation groove body is arranged between the hole wall machining parts in the first set of machining bodies so as to form circumferential boundaries of the hole wall machining parts. In the second set of machining bodies, second partition groove bodies are arranged between the hole wall machining parts so as to form circumferential boundaries of the hole wall machining parts. In the feeding direction, the first set of machining bodies enter a machined hole earlier than the second set of machining bodies, and all hole wall machining parts in the second set of machining bodies are located right behind the first part separation groove body. Compared with a common drill bit, the drill bit provided by the utility model has the advantage that the circumferential supporting area is increased by 100-400%.

The invention provides a method for preparing a thermal insulation material by a dry method, the thermal insulation material and a household appliance, and relates to the field of thermal insulation materials. The method for preparing the thermal insulation material by the dry method comprises the following steps: providing a hard shell, wherein the hard shell is provided with a first opening and a second opening which are communicated with an inner cavity of the hard shell; the hard shell is filled with dispersed organic fibers from the first opening in an air blowing mode, so that the heat insulation material is formed. According to the technical scheme, the hard shell can provide high-strength internal and external support for the heat insulation material, the hard shell is filled with the dispersed organic fibers, the heat insulation material has the beneficial effects of being low in heat conduction, easy to process, clean and environmentally friendly, the organic fibers are in a dry state in the processing process in an air blowing mode, and therefore the heat insulation material is not prone to cracking. The final dryness can be ensured, and the processing efficiency is improved; in addition, no additional dispersant is needed, damage of the dispersant to organic fibers can be avoided, and the quality of the thermal insulation material is improved.

This invention discloses a servo continuous interpolation and curve parameterization control method based on a Mitsubishi PLC system, relating to the field of CNC motion control technology. The method includes process parameter conversion and interpolation execution: The system receives user-inputted process parameters at a human-machine interface, including at least the target bending angle; the PLC main controller automatically calculates the coordinate parameters required for the motion control module to execute the interpolation motion based on a preset geometric model and the process parameters. This application lowers the operational threshold by encapsulating complex mathematical coordinate calculations within the program, allowing operators to interact only with intuitive process parameters, enabling even non-professionals to quickly and accurately debug equipment. This application also improves equipment efficiency and flexibility: intelligent continuous interpolation judgment reduces unnecessary starts and stops, increases equipment operating cycle time, and one-click switching between linear / circular modes enhances the equipment's ability to handle different processes.

The invention provides a safe tool stopping method and system and a storage medium, and relates to the technical field of machine tool machining, the method is applied to a control system of a machine tool, and the system comprises an analog quantity input module and a tool control module; the method comprises the following steps: acquiring an actual voltage analog quantity output by a cutter control module when a machine tool cutter rotates through an analog quantity input module, and obtaining an actual torque value of a machine tool according to the actual voltage analog quantity; an expected torque value of a machine tool cutter is obtained through a cutter control module, the machining state of the machine tool is judged according to the expected torque value and the actual torque value, and the machining state comprises an emergency state; and when the machine tool is in the emergency state, a tool stopping signal is sent to a machine tool cutter through transmission control information. The analog quantity input module is connected into the machine tool, so that the operation state of the machine tool can be monitored and responded in real time, emergency situations can be found and processed in time, and the blade damage rate of the machine tool is effectively reduced.

The utility model belongs to the technical field of home decoration, particularly relates to a multi-point efficient plate polishing device, and aims to solve the problems that according to existing equipment, the polishing position is converted through sliding of a single polishing disc, omission is prone to occurring, and the polishing efficiency is reduced, the multi-point efficient plate polishing device comprises a bottom plate, and the top of the bottom plate is provided with an equipment box in a welded mode; a feeding part is inserted in the bottom end of the front face of the equipment box in a penetrating mode, two sliding strips are symmetrically installed at the bottom end of the feeding part through screws, the bottom ends of the two sliding strips are slidably installed in sliding grooves correspondingly formed in the top of the bottom plate, and a plurality of polishing rollers are evenly installed at the top end of the interior of the equipment box through rotating shafts. And one sides of the plurality of polishing rollers are mutually meshed and connected through the driven gears which are sleeved by the connecting keys. According to the plate polishing device, the plate slides on the bottom plate in a reciprocating mode along with the feeding component, so that the plate sequentially passes through the multiple polishing rollers, multiple times of stable polishing are achieved, the situation of omission is avoided, and the probability of secondary machining and waste is reduced.

The utility model discloses an improved silicon wafer vacuum adsorption device, and relates to the technical field of silicon wafer vacuum adsorption. Comprising a chassis, the top of the chassis is sleeved with a V-shaped rubber ring, a supporting ring is embedded in the top of the chassis, the bottom of the supporting ring is tightly attached to the top of the V-shaped rubber ring, and the top of the supporting ring and the top of the chassis are jointly provided with an adsorption pad. The supporting ring made of glass fiber is more stable in physical property and chemical property, has the advantages of being high in hardness and rigidity and not prone to warping and deformation in the using process, the overall plane precision of the adsorption pad is guaranteed, a silicon wafer can be stably and accurately adsorbed to the adsorption pad, the risk that the silicon wafer falls off and is broken in the machining process is reduced, and the service life of the silicon wafer is prolonged. The processing efficiency and the yield of the silicon wafer are improved, the top of the V-shaped rubber ring is tightly attached to the bottom of the supporting ring, the air tightness of base plate adsorption is guaranteed, the fluff layer can protect the surface of the silicon wafer from being scratched, and meanwhile the silicon wafer can be attached more tightly in the adsorption process.

The utility model provides a driving type hub bearing with a ball cage device, which comprises a bearing outer ring, a bearing inner ring, a steel ball, a magnetic pole encoder component and a flange plate, an outer sealing component is arranged between the outer ring and the inner ring, the flange plate is provided with an installation space for installing the inner ring, and the steel ball is arranged in the installation space. The flange plate comprises a large end used for installation and connection and a small end provided with a ball cage structure, the ball cage structure is composed of a plurality of grooves formed in the inner edge of the small end of the flange plate, the grooves are evenly distributed in the inner edge of the flange plate in the circumferential direction to form a matched ball cage, the middle process is omitted, splines are removed in the mode that the flange plate and the matched ball cage are integrated, and the machining efficiency is improved. According to the flange plate with the ball cage structure, the transmission efficiency of automobile power is improved, the integration is improved, the problems of starting abnormal sound and the like caused by poor spline machining consistency are solved, ball cage shafts are omitted, meanwhile, spline machining is reduced, the assembly weight and machining procedures are reduced, and cost is saved.

The invention relates to a milling machine fixture suitable for machining thin-wall ring block type parts and a using method of the milling machine fixture. A support, a radial positioning block, an axial positioning block and a reference positioning block are all arranged on a bottom plate; an angular positioning hole is formed in the center of the radial positioning block and used for being matched with an angular positioning pin. The radial positioning blocks are connected with the bottom plate through screws. And the axial positioning block is used for axially positioning the part. And the axial positioning pressing plate is used for axially pressing the part. The radial positioning pressing plate is used for pressing the part in the radial direction. A pin hole is formed in the center of the radial positioning pressing plate 7, and the radial positioning pressing plate 7 is connected with the axial positioning block through a pin shaft and located on the lower side of a pressing part according to the lever principle. And the radial compression screw is used for radially compressing the part. According to the clamp, the clamping rigidity in the milling process of the thin-wall ring block type part is effectively improved, vibration of the part in the machining process is avoided, and the quality stability is improved.

The utility model provides a relay valve for a vehicle electronic braking system. The relay valve comprises a valve body, a ring seat, a valve element and a reset spring, wherein the ring seat, the valve element and the reset spring are installed in the valve body. The ring seat is fixedly installed in the valve body, a valve sleeve is integrally formed in the valve body, and the valve element and the reset spring are installed in the valve sleeve. The valve sleeve is provided with a base and a circumferential supporting wall extending from the base to the ring seat, the outer periphery of the valve element is in sliding sealing contact with the inner periphery of the supporting wall, one end of the reset spring is supported on the base of the valve sleeve, and the other end of the reset spring is supported on the ring seat. The other end of the reset spring abuts against the valve element so that the valve element can be pushed and pressed towards the ring base. According to the relay valve for the vehicle electronic braking system, the number of parts can be reduced, meanwhile, the structural design of the relay valve is simplified, and the machining and assembling complexity and cost of the relay valve are reduced. The utility model further provides a corresponding vehicle electronic braking system.