Desain Transmisi Hidrostatik untuk Roda Penggerak pada Mobil Terbang by Faiz Akbar Pradipta, Mohammad Adhitya

“…To reduce aerodynamic drag, the drive wheels must be able to fold so that a flexible transmission system is required. …”
Get full text

PARAMETER OPTIMIZATION OF HYDROSTATIC MOTORIZED SPINDLE SYSTEM BASED ON ANALYSIS OF THERMAL DEFORMATION by YAN ChaoYing, LIU JiangNan, LIU YanPing, NING ZhaoYang

“…The results show that the maximum deformation of the motorized spindle system was in the place where the grinding wheel was installed. The variations of the flow-rate of cooling water and the input pressure of bearing oil affected the maximum deformation on the front surface of the spindle. …”
Get full text

Dynamic Characteristics of Metro Trains under Rescue Conditions by Ruiming Zou, Shihui Luo, Weihua Ma, Qing Wu

“…In order to study the dynamic characteristics of metro train under rescue conditions, a detailed dynamic model with different train formations is established, taking into account the characteristics of wheel-rail contact, nonlinear characteristics of suspension components, and nonlinear hysteresis characteristics of the draft gear systems. …”
Get full text

High Contact Ratio Design and Meshing Performance Comparison for Spiral Bevel Gear by Jinzhan Su, Gang Wei, Yu Yang, Lehao Chang, Jiashun Guo

“…The numerical examples show that the large contact ratio of contact path along the face width increases up to13.67% and 10.05% in the bending strength of pinion and wheel， while up to 5.77% in contact strength of the gear pair， respectively， and the amplitude of the load transmission error decreases up to 31.32%， moreover it can also improves the sensitivity of the contact pattern to assemble errors.…”
Get full text

Effect of the Passive Stabilizer Bar on the Vehicle’s Stability by Duc Ngoc Nguyen, Ngoc Duyen Dang, Thi Thu Huong Tran, Thang Binh Hoang, Tuan Anh Nguyen

“…Besides, the minimum value of the vertical force at the wheel reached 485(N) and 1162(N), respectively, corresponding to the two survey cases. …”
Get full text

Reliability analysis of landing gear operation based on improved support vector machine-based decomposed-coordinated by ZHANG Lei, CHEN Junyu, FENG Jun, FENG Yunwen, LIU Lei

“…The improved support vector machine aims to optimize the performance of the limit state function in each sub-mathematical model by applying multi-stage adaptive point position control of hyperparameters. Taking the wheel brake temperature difference of main landing gear as an example, the verification of the proposed method in reliability modelling and simulation is carried out. …”
Get full text

John McGahern’s Photographic Eye by Adam Hanna

“…That he chose to focus on a poor cottage, a barefoot woman in a doorway, two girls in their Sunday finery, is significant, but more telling of the eye which he brought to his craft is the angle of the house, the broom next to the doorway, the placing of the birdcage and wheel.” My starting point is the quote above, which evokes the techniques and concerns that characterize McGahern’s own work as a novelist. …”
Get full text

A Two-Level Metaheuristic for the Job-Shop Scheduling Problem with Multipurpose Machines by Pisut Pongchairerks

“…Another change is that the roulette-wheel technique is applied for selecting a neighbor operator and for generating a perturbation operator. …”
Get full text

Influence of Two-stage Tooth Profile Modification on Transmission Accuracy of Robot Precision Reducer by Xuetao Qiao, Ke Jia, Cunfu Yan, Ze Yang, Peng Wang, Fang Li

“…The model of the whole machine is introduced into Adams to establish a virtual prototype，and the kinematics simulation is carried out to obtain the angular velocity curves of involutes planetary gear，cycloid wheel and planetary frame. The correctness of the virtual prototype is verified by theoretical calculation results. …”
Get full text

Influence of Stochastic Meshing Parameter on Vibration of Shearer Cutting Unit Planetary by Wu Guijun, Zhang Yu, Chen Hongyue, Mao Jun

“…The research indicates that the mean value and mean-square deviation of the vibration displacement for solar wheel and planet gear increases with the degree of dispersion of the random clearance,meshing error and meshing stiffness,and random clearance has the maximum influence on the vibration displacement of planetary,random meshing stiffness comes second,the least influence is random meshing error. …”
Get full text

Experience Study on Long-Life Microsurfacing with High Water Resistance Performance by Jianbing Lv, Juan Huang, Hao Wu, Yang Zhang, Jingyu Qiu, Xiaolong Sun, Yingmei Yin, Xiaoli Sun

“…The key to this technique is an appropriate proportion of water-based epoxy resin and waterborne epoxy curing agent, which could generate a chemical reaction to form a high-performance bonding network structure of space. And indoor wet-wheel wear test shows that its antiwear ability and resistance to water damage are evidently increased (to over 50%) compared with the conventional microsurfacing. …”
Get full text

THE OPTIMIZATION OF GRINDING DOSAGE ON GRINDING HARDENING by ZHANG NingJu, ZHAO MeiLin

“…Aiming at the current situation of the grinding hardening test has certain blindness,the optimization design of the grinding process of grinding dosage was studied in depth and optimization of cutting parameter was proposed according to the grinding wheel topography. Taking specific grinding energy as the optimization goal,establishing the mathematical model with the chip surface roughness and the space as constraint condition,a complete model of the optimization of the grinding hardening was finally got. 40 Cr was taken as the research object,simplex method and graphical method were used to get the best combination of grinding dosage. …”
Get full text

SIMULATION STUDY ON THE MAIN INFLUENCE FACTORS OF THE SURFACE SCALE-TEXTURE OF COLD ROLL-BEATING FORMING PARTS by LIANG XiaoMing, LI Yan, YANG MingShun, YUAN QiLong, WU XueLiang, FENG JingMin, LI Long

“…The change law of scale-texture height and width were simulated under the way of forward beating and backward beating,and when rolling wheel speed change and the work-piece bottom surface along the positive direction. …”
Get full text

Study on Internal Gear Honing Stone Dressing and Gear Honing Technology based on Variable Axis Cross Angle by Xia Lian, Wang Dongling, Yuan Bin, Han Jiang

“…At the same time,it can ensure that honing stone profile remains constant in its life,and the number of dressing times of honing wheel is greatly increased.…”
Get full text

Load Sharing Design of 8 MW Wind Power Gearbox based on ADAMS Simulation Driving by Dong Huimin, Xia Yong, Li Yamei, Yu Tianlong, Wang Delun, Qiu Jun

“…The load sharing of each planetary wheel and pinion is analyzed by fitting data of the extracting gear meshing force simulation data,and take center external gear in ordinary gear train and the internal ring gear in the differential gear train floating as design scheme in order to improve the system load characteristics,the results show that the performance of the load sharing is effectively improved. …”
Get full text

Study on Dynamic Load Sharing Performance of Planetary Gears with Flexible Pins for Vertical Mills by Lin Xu, Gao Longfei, Feng Xue

“…The reasonable design of the flexible pin structure can improve the load sharing performance of the wheel system.…”
Get full text

Study on the Mechanism of Sparks Generated Mechanical Friction by He Pan, Yang Zhang

“…Therefore, this research focuses on the temperature of hot surfaces and sparks generated by friction between pure copper, Q235A steel, and TC4 titanium alloy and the grinding wheel. The effect of the relative rotating speed on the friction temperature and friction spark characteristics is investigated. …”
Get full text

ANTI-VIBRATION OPTIMIZATION DESIGN FOR CLAMP-LIFTING DEVICE ON AIRCRAFT TRACTORS by GAO QingZhen, HUANG An, SHI PeiCheng

“…In order to solve the vibration problem of clamp-lifting device, the joint mechanical analysis and modelings including clamp-lifting device, wheel and landing gear were carried out, and the system vibration differential equations including stiffness and damping characteristics of components were obtained by the frequency response method. …”
Get full text

Design of a Mobile Mechanical Structure for Agricultural Robots. by Musinguzi Bosco

“…This covers the analysis of the steering, suspension spring, singularity with its maximum and minimum angles, wheel arrangement, selection and design. The structural analysis using ANSYS is included to evaluate the strength of the mechanical structure used when in its worst working conditions and the results were presented and included in this report. …”
Get full text

Design of a Mobile Mechanical Structure for Agricultural Robots. by Musinguzi Bosco

“…This covers the analysis of the steering, suspension spring, singularity with its maximum and minimum angles, wheel arrangement, selection and design. The structural analysis using ANSYS is included to evaluate the strength of the mechanical structure used when in its worst working conditions and the results were presented and included in this report. …”
Get full text