Abstract: A tool-transition-free machining method includes: first, a primary turning is conducted, then holes are drilled out by a machining center, and finally a secondary turning is conducted.

Abstract: A machined wheel post-processing equipment includes a wheel inlet roller way, a lower machine frame, lower guide posts, lower air cylinders, a supporting plate, guide sleeves, a lifting table, guide rails, a clamping cylinder, a left sliding plate, a right sliding plate, a rack and pinion, servomotors, a lifting roller way, clamping wheels, a first servomotor, and a overturning platform.

Abstract: A device for removing wheel burrs with brushes not only can be used for continuous automation production, but also can correspondingly adjust the shape of the burr brushes according to the wheel model, so that the shape of the burr brushes is consistent with the shape of wheel spoke back cavity and the shape of the center cap mouth, which does not need to manufacture large quantities of different specifications of brushes, thus saving the manufacture cost. The device has high universality and application value.

Abstract: The disclosure discloses an automatic wheel detecting device. The device can automatically detect marks of spoke back cavities and the inner side coaxiality and the outer side coaxiality of wheels, the wheels with marks being missed are identified in time, the values of the inner side coaxiality and the outer side coaxiality of the wheels on a production line are monitored in time, if the values are out of tolerance, an alarm is given out in time, and the device can be used for automatic production.

Abstract: A device for removing tool joint edge burrs on a cap slot edge and an outer rim of a vehicle wheel includes a vehicle wheel positioning system and a cutter system. The vehicle wheel positioning system is used to make a rotating center of a cap seam allowance superposed with that of the cutter system. The cutter system includes a pyramid cutter and four blades, the pyramid cutter is used to remove burrs on the cap slot edge of the vehicle wheel, and the four blades are used to remove burrs on the outer rim of the vehicle wheel.

Abstract: The invention discloses a wheel cleaning and blowing device, which is composed of four systems: a wheel positioning system, which completes initial positioning of a wheel on a roller bed and finds the position of a valve hole; a wheel advancing and dry-wet conversion system, in which the wheel advances while rotating, thus completing double-station dry-wet conversion of the wheel; a high-pressure water cleaning system, which is matched with the advancing rotating wheel to clean the wheel; and a compressed air blowing system, which is matched with the advancing rotating wheel to blow the wheel uniformly. The invention simultaneously discloses a wheel cleaning and blowing method. By adopting the device and the method, the wheel moves forward all the time during cleaning and blowing, the cycle is short, the efficiency is high, cleaning and blowing are integrated, and dry-wet separation is realized.

Abstract: A wheel shape follow-up burr brushing device can brush burrs from a front, a back cavity and a spoke root groove of the wheel. The heights of brushes are adjusted, so that the brushes follow up the shape of the front, the back cavity and the spoke root groove of the wheel. The wheel is put onto a positioning roller bed by a manipulator, a positioning clamping cylinder drives four clamping wheels to clamp the wheel, four clamping wheel drive motors drive the wheel to be in a low-speed rotating state; two second cylinders drive a second rotating table to be fed downwards, two first cylinders drive a first rotating table to be fed upwards, and the rotating wheel is matched with the rotating brushes to brush burrs from the front, the back cavity and the spoke root groove of the wheel.

Abstract: Disclosed is a lubricating device for wheel machining, which is composed of an air compressor, a safety valve, an oil drain valve, an oil tank, an oil filling port, an oil quantity regulating valve, an oil mist pressure regulating valve and the like. The air compressor is fixed on a frame, and an oil mist pressure regulating knob is connected outside the regulating valve; the other path is connected to an air pressure regulating valve, and an air pressure regulating knob is connected outside the regulating valve; an oil mist pressure gauge interface is arranged between the oil mist pressure regulating valve and an oil mist generator, and an oil mist pressure gauge is connected outside the interface; an air pressure gauge interface is arranged between the air pressure regulating valve and an air separator, and a compressed air pressure gauge is connected outside the interface.

Abstract: A rotary wheel cleaning device is composed of a feeding station, a cleaning station, a blowing station and a discharging station. The feeding station completes positioning, jacking and clamping of a wheel; the cleaning station completes cleaning of the wheel; the blowing station completes blowing of the wheel; and the discharging station transfers the cleaned wheel. The device can continuously perform the operations of feeding, cleaning, blowing and discharging of a wheel to be cleaned by rotating the wheel into different angular position on a station turntable, thereby automatic continuous production is achieved.

Abstract: The present application provides a device for correcting an aluminum alloy wheel, which is mainly composed of a frame, an expansion cylinder, a correction motor, a feed motor and the like. A hub positioning unit initially positions a hub to prepare for positioning a center hole expansion sleeve; a hub feed unit performs precise center hole positioning on the hub and completes upward feed movement of the hub; and a tool correction unit completes hub correction through a rotating standard correction cutter head. The device may meet the process requirements of wheels in flow production, improve the runout and balance qualified rate of products, and solve the problems of decentraction of the outer diameter in the first procedure and the second procedure and deformation of rim bulges.

Abstract: Disclosed is a wheel flange planeness detection device, comprising a frame, a lifting cylinder, a lifting platform, guide posts, a support frame, a servo motor, a bearing seat, a shaft, a bearing, a rotating platform, guide rails, a sliding block, a small chain wheel, a large chain wheel, a clamping cylinder, a chain wheel driving motor, a left sliding plate, rotating shafts, rotating wheels, a visual sensor, clamping guide rails, gear rack structures, a right sliding plate, intelligent dial indicators, a support plate, a linear motor and a motor support. The device may monitor the state of flange planeness in an automatic production line in real time; when the flange planeness is out of tolerance, the device may immediately give an alarm, and the technologist adjusts the machining process in time after receiving the alarm, thereby avoiding a large batch of rejects.

Abstract: The invention discloses a wheel machining tool. A rough turning tool and a finish turning tool are respectively arranged on two sides of a tool head, the primary declination angle ? of the rough turning tool is set to 90° to 120°, and the primary declination angle ? of the finish turning tool is set to 85° to 95°; the axial height difference between the rough turning tool and the finish turning tool is set to 0.2-0.5 mm; the distance c between the rough turning tool and the tool head is set to 5-8 mm, and the distance b between the finish turning tool and the tool head is set to 3-5 mm. The rake angle ? of the rough turning tool is set to 12°-15°, the rake angle ? of the finish turning tool is set to 14°-17°.

Abstract: Disclosed is an automatic wheel front burr removing device, including a station rotating motor, a station I manipulator, a station II manipulator, a station III manipulator, a station IV manipulator, a rim burr cutter head, a feeding slide plate I, guide posts I, cylinders I, a servo motor I, a feeding slide plate II, guide posts II, cylinders II, a servo motor II and a vision sensor. The station I is a wheel positioning and clamping station; the station II is a wheel rim burr removing station; the station III is a wheel cap section burr removing station; and the station IV is a wheel loosening and transferring station.

Abstract: Gene knockout method based on base editing and its application is provided. The gene knockout method comprises: selecting a 20 bp-NGG target sequence of the coding region of the gene to be knocked out, so that it contains a complete target codon CAA, CAG or CGA; and using sgRNA sequence to locate BE3 to the target sequence, to convert the target single-base C of the target codon into T and thus introduce a corresponding termination codon TAA, TAG or TGA in order to realize the knockout, wherein the target single-base C is located preferably on site 4-8 in the target sequence, the interval between the target codon and NGG is 12 to 14 bp, and the upstream base(H) near the target codon cannot be G; and the sgRNA sequence is a 20 bp sequence complementary to the target sequence.

Abstract: The present application discloses a device for trimming the positioning end surface of a wheel blank comprises a wheel positioning clamping system, an axial positioning surface trimming system and a radial positioning surface trimming system. The wheel positioning clamping system completes the loading, clamping and low-speed rotation of the wheel; the axial positioning surface trimming system firstly completes the detection of the wheel axial hop, and then completes the trimming of the axially positioning surface; the radial positioning surface trimming system firstly completes the detection of the wheel radial hop, and then completes the trimming of the radial positioning surface. The axially positioning surface trimming system and the radial positioning surface trimming system are independent of each other and complementary to each other, and the two systems accomplish the trimming of the positioning end surface of the wheel blank jointly.

Abstract: A device for removing burrs from a flange face of a wheel is composed of a frame, guide posts, a feeding cylinder, a lifting table, a servo motor I, a bolt hole soft brush I, a center support, a servo motor II, a bolt hole soft brush II, a center hole soft brush, a transverse chute, longitudinal chutes, drainage channel soft brushes and the like. The zigzag shape of the drainage channel soft brushes can be adjusted to match the shape of flange drainage channels by adjusting the positions of the movable shaft I, the movable shaft II), the movable shaft III, the movable shaft IV and the movable shaft V in the chutes.

Abstract: A wheel corner polishing device includes a station switching system, a valve hole polishing system, a bolt hole polishing system and a rim and cap section synchronous polishing system. The wheel corner polishing device can automatically polish four positions including bolt hole corners, a valve hole corner, outer rim corners and cap section corners of a wheel via upper and lower stations and coordination of the systems.

Abstract: Resistive memory cells, precursors thereof, and methods of making resistive memory cells are described. In some embodiments, the resistive memory cells are formed from a resistive memory precursor that includes a switching layer precursor containing a plurality of oxygen vacancies that are present in a controlled distribution therein, optionally without the use of an oxygen exchange layer. In these or other embodiments, the resistive memory precursors described may include a second electrode formed on a switching layer precursor, wherein the second electrode is includes a second electrode material that is conductive but which does not substantially react with oxygen. Devices including resistive memory cells are also described.

Abstract: A wheel outer rim fillet dressing device, wherein after a wheel is roughly positioned, an electric cylinder drives a moving plate to descend to an appropriate position, an adjusting cylinder drives a second sliding table to move away from a first sliding table, the first sliding table moves synchronously with the second sliding table under the action of a second gear rack, thus the distance between a precision positioning post on the first sliding table and a precision positioning post on the second sliding table is adjusted, and the precision positioning posts contact a vertical surface of a cap seam allowance of the wheel and hold the wheel tightly. The adjusting cylinder is restarted, and the outer rim fillets can be dressed when the distance between first and second cutters for dressing wheel outer rim fillets is adjusted to an appropriate position and under the cooperation of the rotating wheel.

Abstract: The wheel outer rim groove polishing device includes three major systems, which are a wheel rotation system which is used for positioning, clamping and rotating of a wheel, thereby polishing all grooves in the circumferential direction of the wheel, a left polishing system for reciprocally polishing groove tool grains in the longitudinal direction, and a right polishing system for reciprocally polishing groove tool grains in the transverse direction; and three systems cooperate with each other and are combined orderly to jointly complete the polishing of tool grains on the wheel outer rim grooves. The present disclosure can meet the requirements for polishing the tool grains on the wheel outer rim grooves. Compared with artificial polishing, the device improves the polishing effect, improves the work efficiency, and reduces the risk of rim deformation. The device has the characteristics of high efficiency, practicality, easy manufacture, flexible operation and the like.