Abstract: Disclosed in the present disclosure is a hub surface scribing device. Four sets of support rods are arranged symmetrically with each other on right side of a base plate, a set of support blocks are mounted at top of each set of support rods, a first polished rod extends between a set of support blocks on left side and a set of support blocks on right side, a first guide sleeve is slideably connected to the first polished rod, the first polished rod is slideably sleeved with a stop block, a first locking bolt penetrates the stop block, a second polished rod extends through two sets of first guide sleeves, the second polished rod is slideably sleeved with a second guide sleeve, a second locking bolt also penetrates the second guide sleeve, a support block is welded to top of the second guide sleeve.

Abstract: The present disclosure relates to the technical field of trimming dies and specifically relates to a trimming die for a casting of a front steering knuckle in a double-wishbone suspension. The trimming die includes an upper roof, an intermediate plate, a movable plate, a base, springs, connecting columns, a pressing block connecting rod, a cutting edge, a pressing block, a casting, hold-down blocks, a first supporting block and second supporting blocks.

Abstract: A device for removing burrs from a back cavity of a wheel includes a lower lifting synchronous movement arrangement, an outer ring brush arrangement, an inner ring brush arrangement, a synchronous movement arrangement and an upper lifting drive arrangement. When the device is used, an upper cylinder drives four clamping blocks to clamp the wheel synchronously through an upper guide rail, an upper gear and upper racks; an upper cylinder drives the wheel to rise and separate from a roller bed through upper guide pillars and upper guide sleeves; an upper servo motor drives the clamped wheel to rotate through an upper rotating ring. The present invention can be used for not only polishing the burrs at the back cavity of the wheel, but also accurately adjusting the position of each brush according to the flange size and the back cavity diameter of the wheel.

Abstract: A thermal treatment method for an A356 aluminum alloy cast-spun wheel is provided. The thermal treatment method is characterized by including the steps of: 1) heating an aluminum alloy wheel cast-spun piece to 540-550° C.; 2) preserving the heat of the aluminum alloy wheel cast-spun piece for 275-285 minutes at the temperature of 540-550° C.; 3) quenching the aluminum alloy wheel cast-spun piece in water of 70-90° C. for 180 seconds; 4) heating the aluminum alloy wheel cast-spun piece to 150-160° C.; 5) preserving the heat of the aluminum alloy wheel cast-spun piece for 175-185 minutes at 150-160° C.; and 6) cooling the aluminum alloy wheel cast-spun piece in air to room temperature.

Abstract: The present application provides a composite wheel, including spokes, a rim and a central disc, one end of each spoke being connected to the central disc and the other end of each spoke being connected to the rim, each spoke includes a spoke skeleton and a spoke shell, and the spoke skeleton is wrapped by the spoke shell; and the spoke shell is made of plastic, rubber, nylon or resin. The technical solution of the present application brings the beneficial technical effects of overcoming the contradiction between the pursuit of the artistic design effect of the wheel and the pursuit of the lightweight of the wheel and meeting the strength requirement of the wheel.

Abstract: The present application relates to a runout detection device, which includes a base plate, lateral plates, guide sleeves, springs and dial gauges, etc. During the operation, the sliding sleeve and the lateral dial gauge are moved along the sliding groove in the lateral formwork, so that the runout of right end of the work piece may be measured. The bottom plate of the lower end measuring device is placed above the base plate, the ball at the top end of the probe is always in contact with the lower end of the work piece under the action of the upper spring, the probe is pressed down when contacting a projection, and the L-shaped plate is rotated clockwise through the head nail, at this time, the runout of the lower end of the work piece may be known by the reading of the lower dial gauge.

Abstract: A wheel flange height difference detection and annular groove burr clearing device includes a turntable, a detection platform, a first intelligent compression meter, a second intelligent compression meter, a first burr cutter, a second burr cutter and the like.

Abstract: A right angle touch gauge of the present application includes a fixing block, a floating column, a spring, a measuring column, a measuring sleeve and the like. In use, round head of top end of the floating column is in contact with bottom surface of work piece. The floating column is compressed downward when it touches high surface of the bottom surface of the work piece, the measuring column is compressed to right by matching lower cone of the floating column and left cone of the measuring column, and it may be found whether height difference between high surface and low surface of the bottom surface of the work piece is qualified by observing whether end edge of the right cylinder of the measuring column is placed between steps of right end surface of the measuring sleeve.

Abstract: An automatic hub type identifying device and a method for identifying a hub type using the device are provided. The device includes a feed roller bed, an electronic belt scale, a transfer roller bed, an identification device, a discharge roller bed and a processor, in which the feed roller bed is configured to convey a hub to the electronic belt scale; the electronic belt scale is in data connection with the processor, and is configured to weigh the hub conveyed by the feed roller bed and transmit the weighing result to the processor; the transfer roller bed is configured to transfer the hub from the electronic belt scale to the identification device; and the identification device includes servo drive devices and micro contact displacement detecting devices connected to the servo drive devices.

Abstract: The present application provides a wheel bolt hole protection plug placing device, which includes a frame, a lifting cylinder, guiding shafts, high precision linear bearings, a flange, a connecting shaft, a roller way, a bracket, a first base, a first bearing, a first sleeve, a rotating cylinder with braking function, an end cap, a second base, a second bearing, a second sleeve, a shaft, first linear bearings, contactors, springs, a synchronous cam, a gland, a visual sensor, a mounting frame, a first linear guiding rail, a first guiding rail sliding seat, a first screw nut, a first screw, a first servo motor and so on.

Abstract: Wheel back cavity groove processing equipment is disclosed in the present application, which includes a lower lifting system, a central brush system, groove brush systems, a synchronous clamping and rotating system, a left brush system, a right brush system, an upper lifting system and the like. The wheel back cavity groove processing equipment not only may be used for removing burrs from wheel back cavity grooves, but also may be used for removing burrs from bolt holes, a center hole, spoke edges and transverse corners, and simultaneously has the characteristics of high automation degree, high removal efficiency, advanced process, strong generality, and high safety and stability.

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: The disclosure provides a metal protective layer, sequentially comprising an organic powder coating, a high-gloss organic coating, a ductile periodic variable alloy protective film and a transparent powder coating, wherein the base powder layer is an epoxy resin or pure polyester powder coating; the high-gloss organic coating is an epoxy resin powder coating, a polyester powder coating, or a polybutadiene organic coating; the ductile periodic variable alloy protective film is formed by direct current magnetron sputtering with two targets in a high vacuum environment, and the material of the targets is composed of a Ni—Cr alloy layer and pure Cr; and the transparent powder layer is an acrylic powder coating or a polyester transparent powder coating.

Abstract: The disclosure provides a method for surface treatment of a composite material part and the prepared part. The method comprises the steps of: (1) providing a surface of a carbon fiber composite material part; (2) preparing a surface protection layer; (3) polishing the carbon fiber reinforced resin-based composite material surface after transparent powder is cured; (4) spraying transparent powder to the carbon fiber reinforced resin-based composite material surface after the transparent powder thereon is cured and curing it; (5) polishing the carbon fiber reinforced resin-based composite material surface after the transparent powder is cured; and (6) spraying a clear lacquer to the carbon fiber reinforced resin-based composite material surface after the transparent powder is cured and curing it.

Abstract: A spraying tooling of a motor vehicle wheel hub is provided. The spraying tooling includes an assembly line, multiple wheel hub bases each capable of moving on the assembly line, multiple driving mechanisms each capable of driving a wheel hub base to rotate at a preset position on the assembly line, multiple triggering components each capable of triggering a driving mechanism to operate, multiple maintaining components each capable of maintaining a preset time for a triggering component, and a control component; the wheel hub base includes a sliding seat capable of moving on the assembly line and a tray capable of rotating along with rotation of the driving mechanism, and the tray is rotatably mounted on the sliding seat; and all of the driving mechanisms and the triggering components are electrically connected to the control component.

Abstract: A rim with an inner flange having strip weight reduction sockets and a wheel are provided. The rim includes the inner flange, a middle portion and an outer flange which are all annular and are connected end to end to form an annular rim, in which trapezoidal weight reduction sockets are provided on the inner wall of the inner flange; the bottom edges of the weight reduction sockets are flush with the edge of the inner flange; the top edge of each weight reduction socket has fillets; and the weight reduction sockets have a bottom edge length of 5-30 mm, a height of 15-60 mm, a top edge length of 5-15 mm, a base angle of 72-83°, and a depth of 1-5 mm.

Abstract: A die casting machine melt leakage detecting device includes a pulling wire, multiple wire winding columns, a wire fixing member, an elastic wire connecting member and a trigger switch. The pulling wire is capable of withstanding temperature outside a mold during normal die casting and is melted and broken after making contact with molten metal. The multiple wire winding columns are arranged around the mold, an end of the pulling wire is connected with the wire fixing member, and another end of the pulling wire is sequentially wound around the wire winding columns and is connected with the elastic wire connecting member. The elastic wire connecting member is opposite to the trigger switch, the elastic wire connecting member is in a compressed or stretched state when the pulling wire is kept tensioned in the operating state.

Abstract: A wheel logo imprinting device includes a wheel feeding system, a position identification system, a wheel turning system, a logo imprinting system, a station switching system, a logo drying system and a wheel discharging system. The device can be used for continuous production of assembly lines, can realize multi-directional, multi-angle and multi-number imprinting of personalized logos, orderly connects feeding, imprinting, drying and discharging through a reasonable process layout, and integrates imprinting and drying by using double stations so as to greatly improve the production efficiency and shorten the production cycle.

Abstract: The present application discloses a wheel space detecting device, comprising a frame, a first servo motor, a bottom plate, an adapter shaft, a shaft sleeve, a radial bearing, a lower end cap, a pedestal, a pressure bearing, a base, a clamping cylinder, first linear guide rails, first guide rail sliding seats, first sliding seat frames, racks, first sleeves, first bearings, rotating shafts, first end caps, clamping wheels, a guide rail, and so on. The present invention can meet the needs of wheel brake space detection, has the characteristics of simple structure, stable detection performance, high positioning precision, simple operation and the like, and therefore is very suitable for automatic batch production.

Abstract: The present disclosure provides a magnesium alloy and a preparation method thereof. The magnesium alloy comprises: Al: 7.01-9.98 wt %; Zn: 0.1-1.2 wt %; Mn: 0.05-0.2 wt %; Sn: 0.3-2.5 wt %; Sm: 0.1-0.5 wt %; and a balance of Mg.