Citic Dicastal Co., Ltd

Shiwen Xu

Zuo Xu

Zhihua Zhu

Zhichong Liu

Weidong Liu

Minglei Li

Xi Li

Shaoqian Wang

Yao Dai

Shaobing Huang

Dadong Wang

Dexi Du

Hongwei Sheng

Mingbo Chen

Haiping Chang

Lixin Huang

Liangjian Yue

Shide Li

Meng Li

Liguang Xie

Tiefeng Hu

Lisheng Wang

Shuwei Feng

Xiaoqiang Li

Lijuan Zhang

Xiaomian Sun

Hanqi Wu

Changhai Li

Guoyuan Xiong

Zhen Li

Zhiyuan Yu

Ruixiao Zhou

Minghua Liu

Jian Li

Weizhi Zhang

Naizheng Hu

Zhixue Wang

Rui Li

Jingru Shen

Lijun Zhang

Dawei Xu

Jin Zhang

Ning Wang

Xiaoying Ma

Ji Wang

Hongwei Zhou

Xuepu Yin

Zhen Peng

Shiwei Guo

Yiming Li

Yangfan Li

Guojiang Dong

Jiang Bi

The disclosure discloses a spinning process of a magnesium alloy wheel hub, which comprises the following steps: step 1, heating a magnesium alloy bar at 350-430° C. and keeping the temperature for 20 minutes; step 2, initially forging and forming on the bar under a forging press, wherein the forging down-pressing speed is 6-15 mm/s; step 3, finally forging and forming on the bar under a forging press, wherein the forging down-pressing speed is 5-8 mm/s; step 4, stress relief annealing on the final forged magnesium alloy blank; step 5, solid dissolving on the annealed magnesium alloy blank; step 6, taking out the solid-dissolved blank and directly spinning by a spinning machine; step 7, heating treatment and aging treatment. The magnesium alloy wheel hub with excellent performance is obtained by the process, and the spinning process and processing efficiency are greatly improved.

Spinning process of magnesium alloy wheel hub

A sound absorber unit and a vehicle wheel having a sound absorber device are provided. The sound absorber devices includes at least one sound absorber unit or at least one sound absorber assembly which is composed of a plurality of sound absorber units. The sound absorber unit is constructed into a box body in a hexahedron shape and forms a three-layer Helmholtz resonance sound absorption structure with double holes and single holes combined, and meanwhile, the sound absorber unit or the sound absorber assembly forms a structural resonance sound absorber. The double-absorption wheel air chamber sound resonance function organically combining Helmholtz resonance sound absorption and structural resonance sound absorption can be realized.

Sound absorber unit and wheel with sound absorber device

The invention relates to the field of aluminum wheel casting molds, and more particularly relates to a closed-loop control method and system for a mold temperature in a wheel casting process. The control method includes: step 1, acquiring data, that is, acquiring a plurality of mold position temperatures, and cooling pipeline opening and closing signals in a target wheel casting process according to a fixed frequency; step 2, storing, based on acquired mold opening and closing signals of casting equipment, the acquired data in a database in the form of a unique ID according to a single wheel casting process; step 3, calculating new process parameters based on the acquired plurality of position temperatures and time; and step 4, integrating the calculated process parameters, and issuing the process parameters to a PLC of a casting equipment to perform new casting. According to the invention, the temperature control parameters are calculated based on the acquired temperature data and time process to form the temperature control process of the casting process, which solves the technical problem of significant fluctuations in the quality of the low-pressure casting process of aluminum wheels and improves casting stability and yield.

Closed-loop control method and system for mold temperature in wheel casting process

A sound absorber is configured as a rectangular hexahedral box and forms a porous double-layer Helmholtz resonance sound absorbing structure, at the same time, the sound absorber in the form of a box forms a structural resonance sound absorbing device itself, and the first-order natural mode frequency of the device is identical to that of a wheel air chamber. When the box-type sound absorbing structure is assembled in a wheel, double functions of absorbing acoustic resonance of the wheel air chamber under the organic combination of Helmholtz resonance sound absorption and structural resonance sound absorption can be realized.

Sound absorber and wheel having same

A high-precision intelligent centering device, consisting of a symmetrical synchronous centering mechanism. The invention can meet the needs of wheel centering in use with the ideal effect and high efficiency. Work is safe and reliable, degree of automation is high, and it is especially suitable for mass production on the production line.

High-precision intelligent centering device

The application relates to a wheel with a sound absorption device, wherein the sound absorption device is arranged in a wheel air chamber to reduce acoustic resonance, the sound absorption device comprises two resonance sound absorption structure units which are connected in parallel, a first sound absorption frequency band of a first resonance sound absorption structure unit and a second sound absorption frequency band of a second resonance sound absorption structure unit are adjacent to each other or partially overlap with each other, and the resonance frequency of the wheel air chamber is contained at the adjacent part of the first sound absorption frequency band and the second sound absorption frequency band or in the overlapping area of the first sound absorption frequency band and the second sound absorption frequency band.

Wheel with a sound absorbing device

The present disclosure provides a compound wheel assembling apparatus including a tensioning and fixing component and a locating ring; the tensioning and fixing component is arranged to extend into a center hole of a flange to tension and fix a flange; the tensioning and fixing component includes a base plate, a flange plate, springs, expanding petals and an expanding core; the locating ring is arranged around the base plate, and has a center axis overlapping a center axis of the base plate; the locating ring has a circle of circular-ring-shaped protrusion on its outer side.

Compound wheel assembling apparatus

The application relates to a wheel hub for vehicle, which comprises a flange, a rim, a spoke, a central hole, and bolt bores distributed around the central hole. According to the disclosure, the flange on the wheel front side is affixed with an extension part comprising a radial extension magnitude extending to the outer periphery of the wheel hub and an axial extension magnitude extending to the wheel front side, the extension part comprises a plurality of sections circumferentially distributed along the flange, so as to form on the wheel front side an envelope circle having a diameter size increased by twice the radial extension magnitude. The present disclosure further satisfies the additional needs of the user with respect to the overall design of the wheel.

Vehicle wheel hub

Vehicle wheel

The disclosure discloses a magnesium alloy material smelting device, comprising a furnace, a disc packing device, the disc packing device comprising a stirring shaft, a packing basket, a disc stirring head, the stirring shaft connected with a packing basket, the bottom of the packing basket connected with a disc stirring head, the disc stirring head comprising a plurality of stirring wings, the stirring wings connected with the packing basket and the stirring disc, the connecting ends of the stirring wings connected with each other, the stirring ends extending to the edge of the stirring disc, and the sidewall of the packing basket provided with a liquid passage hole; during the process of preparing and processing the magnesium alloy, the disc stirring head may accelerate the diffusion, the rotation of the disc stirring head may divide the melt into upper and lower layers, and the upper layer of the melt forms a solution vortex to accelerate the diffusion of the master alloy elements; the lower melt keeps relatively static to avoid the upturn of precipitated slag and shorten the precipitation time of slag, thereby improving the productivity.

Magnesium alloy material smelting device

The disclosure discloses a high-speed spinning magnesium alloy and a preparation method thereof, the magnesium alloy has Mg&#x2014;Al&#x2014;Zn&#x2014;Mn&#x2014;Sr alloy with a high formability and high strength, and its chemical composition mass percentage is: Al: 2.4-4.5 wt. %; Zn: 0.6-1.2 wt. %; Mn: 0.4-0.6 wt. %; Sr: 0.15-0.3 wt. %; the balance is Mg. The present disclosure adopts the principle that by increasing the content of Mn in the magnesium alloy, a large amount of Mn-rich phase is generated during the alloy preparation process, and the degree of subcooling is controlled so that a fine spherical dispersed nano-scale Mn-rich phase is obtained during the solidification process. The nano-scale Mn-rich precipitate phase can pin the grain boundaries and inhibit the grain boundary migration to refine grains and achieve the effect of improving the strength. The divorced eutectic MgAlphase generated during the casting process will deteriorate the structure, so Sr is added to the alloy, Sr combining with Al to suppress the coarse phase of divorced eutectic MgAl, refine the grains, increase the amount of eutectic, and reduce the risk of thermal cracking of large-size cast bars. In addition, Sr weakens the texture during the high-temperature spinning forming process and reduces the risk of cracking during the spinning tension, which is beneficial to high-speed spinning forming.

Magnesium alloy, preparation method thereof, and process for preparing wheels by using the magnesium alloy

A wheel rotation imaging control system, including: a wheel rotation imaging apparatus, which can display images during wheel rotation; and a data processing apparatus, which can establish a connection with the wheel rotation imaging apparatus, process data related to the wheel rotation imaging apparatus, and control the wheel rotation imaging apparatus to image. By means of wireless connection, the present application can realize non-contact remote reading and configuration of internal parameters of a wheel rotation imaging device, remote control of media playback, and the like.

Wheel rotation imaging control system

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Qinhuangdao, China

Shiwen Xu