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Journal articles on the topic 'Clutch calculation'

Author: Grafiati

Published: 4 June 2021

Last updated: 28 May 2022

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1

Groetsch, D., K. Voelkel, H. Pflaum, and K. Stahl. "Real-time temperature calculation and temperature prediction of wet multi-plate clutches." Forschung im Ingenieurwesen 85, no. 4 (2021): 923–32. http://dx.doi.org/10.1007/s10010-021-00529-z.

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AbstractMany applications of wet multi-plate clutches are within safety-critical areas since malfunction or failure of the clutch is often equivalent to “loss of drive”.The main criterion for the estimation of damage and endurance of wet multi-plate clutches is the temperature on the friction interface. Owing to the thin, rotating geometry of the plates, determination of relevant temperatures in operation mode is almost impossible. State of the art is that there is no general applicable model for real-time estimation of clutch temperatures during operation.This contribution presents a validate

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2

Yin, Zhihong, Kegang Zhao, Wenbin Shangguan, and Liming Song. "Analytical and experimental characterization of viscous fan clutch performances including thermal dynamics." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 231, no. 5 (2016): 876–91. http://dx.doi.org/10.1177/0954406215619448.

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This paper presents an investigation on the performance characterization of viscous fan clutch with double grooves including thermal behaviors. A detailed mathematical model of the fan clutch is established by taking into account the viscosity variation of the viscous fluid with shear radius and temperature, and an iterative algorithm is proposed to calculate the performances of the fan clutch. Laboratory experiments are then carried out on a performance measurement setup for viscous clutch, for validating the proposed mathematical model and calculation method. Based on the verified model and

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3

Shishkarev, M. P., and Tien Dung Vu. "Specified calculation of multi-disc adaptive friction clutches." Traktory i sel hozmashiny 81, no. 4 (2014): 18–21. http://dx.doi.org/10.17816/0321-4443-65591.

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Dependencies for specified calculation of nominal rotation moment and precision coefficient of a multi-disc adaptive friction clutch, taking into account friction in spline connections between friction discs and half-clutches, are obtained.

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4

Timofievskiy, A. A. "Problems of process control for shifting gears on tractors without torque interruption." Izvestiya MGTU MAMI 10, no. 3 (2016): 32–42. http://dx.doi.org/10.17816/2074-0530-66905.

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The article considers the problem of optimizing the process control for shifting gears on tractors without torque interruption. The opinion on the dynamics of process control for shifting gears is explained, it takes into account the occurrence of torque deficit in the shafts, when changing gear, and increasing of friction losses in spinning clutch. The formulas for calculating the dynamic parameters used in the mathematical model of the dynamics of the tractor when shifting gears without torque interruption are shown. With the help of the mathematical model developed in Scientific and Researc

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5

Liu, Zhen Jun, Lei Wang, and Chuan Bing Ren. "Accurate Calculation and Control of Dry Dual-Clutch Torque during Shifting Process." Advanced Materials Research 490-495 (March 2012): 1913–19. http://dx.doi.org/10.4028/www.scientific.net/amr.490-495.1913.

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Aiming at the work and structural characteristic of dual clutch transmission (DCT), the control of clutch torque is analyzed during shifting process; A system dynamic model has been established; Several key influence factors of clutch transmit torque are raised, and then the accurate formula for each factor is derived respectively; Model and simulation are made up by MATLAB /SIMULINK, and then the clutch torque is analyzed during shifting process for a DCT car. The results indicate that the jerk will be reduced effectively by coordinated control for the changing ratio of clutch torque during s

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6

Lin, Xiaohua, Junqiang Xi, and Shengqiang Hao. "The calculation model of the friction torque on a dry clutch." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 231, no. 13 (2017): 1796–805. http://dx.doi.org/10.1177/0954407016686010.

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The influencing factors of the friction torque on a dry clutch are analysed, the load characteristic of a diaphragm spring is modified and the clutch clamping force model is established by using the modified load characteristic. Also, the friction coefficient model is analysed and established on the basis of the sliding speed, the pressure and the surface temperature of clutch plates using a designed friction coefficient bench. Then, the temperature model of the friction plates is obtained by the finite element programming method, and the calculation model of the friction torque on a dry clutc

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7

Inalpolat, Murat, Enes Timur Ozdemir, Bahadir Sarikaya, and Hyun Ku Lee. "A multibody dynamic model for predicting operational load spectra of dual clutch transmissions." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 2 (2021): 4132–43. http://dx.doi.org/10.3397/in-2021-2609.

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In this paper, a generalized nonlinear time-varying multibody dynamic model of dual clutch transmissions (DCT) is presented. The model consists of clutches, shafts, gears and synchronizers, and can be used to model any DCT architecture. A nonlinear clutch model is used to determine the transmitted power to the transmission at any speed and clutch temperature. The clutch can be a single- or multi-plate clutch and can operate in a wet or dry-clutch configuration. A combined kinematic and powerflow simulation enables calculation of gear, shaft, bearing and clutch quasi-static loads as well as gea

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8

Xu, Enhua, and Xiaojing Lv. "Performance calculation of silicone oil fan clutch." IOP Conference Series: Earth and Environmental Science 330 (November 8, 2019): 032050. http://dx.doi.org/10.1088/1755-1315/330/3/032050.

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9

Trokhaniak, O. M. "Dynamic calculation of screw conveyor of safety clutch." Naukovij žurnal «Tehnìka ta energetika» 11, no. 3 (2020): 115–20. http://dx.doi.org/10.31548/machenergy2020.03.115.

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The article presents a scheme of screw conveyor of the safety clutch, the calculation carried out by a dynamic of its work. Graphically depending is present on the results of which can investigate the influence of various parameters of the system on the dynamic loads in the drive links of the conveyor. Also presented stand for the experimental test engine and a comparison of theoretical and experimental research work overload clutch of screw conveyor.

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10

Strokov, A. M. "Features of force interaction in cam-roller clutch with hydraulic activation." Izvestiya MGTU MAMI 9, no. 3-1 (2015): 124–29. http://dx.doi.org/10.17816/2074-0530-67244.

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The article describes principles of interaction between elements and the dependence of transfer moment on control action in cam-roller clutch with hydraulic activation. The features of cam-roller clutch with hydraulic activation comparing to cam-roller clutch with individual elements spring loading are considered. These dependences are necessary for design calculation and construction of such mechanism mathematical model.

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11

Zhao, Dong Mei, and Xue Peng Liu. "The Design of Magnetorheological Fluid in the Auto-Press Clutch." Advanced Materials Research 460 (February 2012): 222–25. http://dx.doi.org/10.4028/www.scientific.net/amr.460.222.

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Magnetorheological fluid basic working model and calculation model is firstly introduced. Then the auto-press clutch dynamics theory is analyzed. Clutch magnetic circuit is analyzed by ANSYS software, which proves the feasibility of this design

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12

Sharipov, V. M., M. I. Dmitriev, A. S. Zenin, S. M. Kruglov, and I. A. Malanin. "Estimation of parameters of clutch slipping for their various installation in tractor gearboxes when shifting without torque interruption." Izvestiya MGTU MAMI 7, no. 1-1 (2013): 242–48. http://dx.doi.org/10.17816/2074-0530-68376.

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The article describes the method of calculation of the work and time of clutch slipping during gear shifting without torque interruption for any variations in the relative position of friction-clutch coupling in a tractor gearbox.

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13

Suyitno, Suyitno. "Design of Hydraulic Operated Clutch on Typical Motorcycle." Automotive Experiences 2, no. 2 (2019): 41–46. http://dx.doi.org/10.31603/ae.v2i2.2631.

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The mechanical operating clutch (threaded wire) on the motorcycle has been complained of having many disadvantages, including operational failure due to broken wire and heavy operating force. Therefore, this article reports the design of the hydraulic operating clutch mechanism on the Yamaha RX-King to replace mechanical systems. Modification is done by adding a master cylinder, fluid hose, release cylinder, and push rod. The calculation results show that the hydraulic operating clutch has the potential to reduce the operational force by up to 6x of mechanical clutch.

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14

Miao, Li Ying, Xiu Sheng Cheng, Xue Song Li, and Li Chen Yang. "Calculation and Analysis on Drag Torque of the Wet Clutch." Applied Mechanics and Materials 741 (March 2015): 91–94. http://dx.doi.org/10.4028/www.scientific.net/amm.741.91.

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In order to study the drag torque characteristics of wet clutch, the drag torque with no groove friction plates and with radial groove friction plates were analysed separately, and the influence factors of the drag torque such as the lubricating oil temperature, the depth of the groove, the average gap between the friction plates were also discussed. Simulation was carried out in Matlab/Simulink,. Simulation results were compared with experiment results. This study may provide a reference for theoretical study and structural design of wet clutch.

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15

Rasyid, Kurniadi, and Tutur Angger Pambudi. "Single-plate Swipe Couplings On Four-wheeled Vehicles." Aptisi Transactions On Technopreneurship (ATT) 2, no. 1 (2020): 25–33. http://dx.doi.org/10.34306/att.v2i1.56.

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The clutch is an absolutely necessary part of the gasoline cars and the other types where the main drive is obtained from the fuel in the cylinder. The author starts planning this friction coupling with the theory and shifting system of style, then determines the type of clutch plate to be worn, determining the large diameter of the clutch shaft, specifies the thick of the friction plate, the spring reducer, the flywheel connecting Bolt with the flux, the flywheel connecting bolt with the engine shaft, the rivet connector of the friction plate with the spring disc, the rivet of the disc-connec

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16

Wang, Cheng, and Shan Zhen Xu. "Influence Analysis of the Magnetic Properties of the Materials on the Magnetic Powder Clutch Characteristics." Advanced Materials Research 590 (November 2012): 111–15. http://dx.doi.org/10.4028/www.scientific.net/amr.590.111.

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The torque transmission capacity within a range of the structure is the main factor that limit the application of the magnetic powder clutch in the vehicle transmission field. In order to increase the torque transmitting characteristics of the magnetic powder clutch, the analysis model of the magnetic powder clutch was established with finite element numerical calculation method based on the depth analysis its operating principle, which focused on the study of the influence of the magnetic property of the magnetic powder and magnetic circuit material on the magnetic powder clutch performance.

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17

Krasil’nikov, A. Ya, and A. A. Krasil’nikov. "Calculation of the torque of a cylindrical magnetic clutch." Chemical and Petroleum Engineering 45, no. 3-4 (2009): 120–25. http://dx.doi.org/10.1007/s10556-009-9158-3.

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18

Cai, Shao Qiu, Xu Hong Pan, Feng Nian Li, and Li Li Peng. "Comparison of Three Hydraulic Unloading Schemes for a Screw Press." Advanced Materials Research 418-420 (December 2011): 1717–20. http://dx.doi.org/10.4028/www.scientific.net/amr.418-420.1717.

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The transient time of the clutch disengagement is of key importance, as far as controlling performance of clutch screw presses is concerned. Therefore the hydraulic unloading of the clutch for a screw press has been analyzed, by which three schemes of poppets were compared based on calculation and simulation. Thereafter we found it is the widely used mode of ‘pilot-main poppet valve’ that had much advantage. At the same time the paper can provide an analysis method and be as the instantiation references for the design of such systems.

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19

Zhou, Guo Qing, Ru Wang Yuan, and Xiu Ming Jiang. "Study on Design of Ratchet-Pawl Clutch in Winder." Applied Mechanics and Materials 215-216 (November 2012): 263–69. http://dx.doi.org/10.4028/www.scientific.net/amm.215-216.263.

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Basing on an analysis on the motion cycle switching of yarn splicing device and tube changing device of an automatic twisting winder using ratchet-pawl clutch, this paper studies the self-locking conditions of the ratchet-pawl clutch, the rotation angle and revolution angle for separation of the pawl, the pawl escapement and the pawl disk locating device, gets the calculation method and design formulas for functional parameters of the ratchet-pawl clutch, and finds out the conditions for whole circle rotation and precise locating of the pawl disk.

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20

Nhan, TRAN Huu, NGUYEN Ngoc Thanh, VO Ba Khanh Trinh, and NGUYEN Van Nguyen. "Dynamic analysis of small gasoline car model powertrain using MATLAB / SIMDRIVELINE." Science & Technology Development Journal - Engineering and Technology 3, SI2 (2021): first. http://dx.doi.org/10.32508/stdjet.v3isi2.575.

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The powertrain model of a vehicle using a small gasoline engine is designed based on the analysis results of the Matlab/Simdriveline simulation model. In which, the vehicle's powertrain model parts include: engine, clutch, gearbox, differential and wheels, and overall vehicle modeled by Matlab/ Simdriveline. Mathematical basis of the corresponding models for systems or components are used to build simulated models for the entire vehicle's powertrain system. The input parameters for the simulation problem include parameters of the size, mass, structural and technical parameters of each system s

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21

Sharipov, V. M., and V. A. Kruchkov. "Slipping of equalizing element of a synchronizer in preselective gearbox." Izvestiya MGTU MAMI 6, no. 2-1 (2012): 380–87. http://dx.doi.org/10.17816/2074-0530-68558.

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There is considered the process of gear shifting with help of synchronizer in automobile and tractor gearbox taking into account working driving moment from disconnected friction clutch coupling. There is suggested the method of calculation of work of slipping and the time of synchronizing for conditions of synchronizer loading taking into account working driving moment from disconnected friction clutch coupling.

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22

Duan, Jian Rui, Jin Yao, and Hua Li. "The Calculation Method of Lock-Up Clutch Friction Work." Applied Mechanics and Materials 475-476 (December 2013): 1375–81. http://dx.doi.org/10.4028/www.scientific.net/amm.475-476.1375.

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In order to calculate the friction work of lock-up clutch, which come from the lock-up process of hydraulic torque converter, this article established a simplified dynamic model of the engine and hydraulic torque converter , according to the route of power transmission and the rule of moment balance. And then the mathematical model of the lock-up process was deduced. This article reached a calculation method of lock-up clutch friction work by the mathematical model , and did some further simplified. Meanwhile, the lock-up process was simulated by Matlab/Simulink. By analyzing the simulatin res

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23

Wang, Xingming, Ping Chen, Wanzhi Huang, and Jiayan Zou. "Development of torque clutch drilling tool and evaluation of drag reduction performance." Advances in Mechanical Engineering 10, no. 10 (2018): 168781401880665. http://dx.doi.org/10.1177/1687814018806655.

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Horizontal well is one of the important methods of unconventional oil and gas resource development. As increasing length of horizontal section, there is a serious problem that axial force cannot transfer to bit. The drilling field needs a low-friction and low-cost drag reduction tool. This article summarized existing technologies of drag reduction in the horizontal and inclined well and proposes an integrated design of torque clutch. Detailed design of tool sub-systems is introduced. The tool includes three sub-systems: clutch, hydraulic system, and monitoring system. The clutch is consisted o

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24

Abdullah, Oday Ibraheem, and Josef Schlattmann. "The Effect of Disc Radius on Heat Flux and Temperature Distribution in Friction Clutches." Advanced Materials Research 505 (April 2012): 154–64. http://dx.doi.org/10.4028/www.scientific.net/amr.505.154.

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Friction clutch is an important machine element, which transmits the torque from the engine to the gearbox. Hence, an accurate estimation of the heat flux and temperatures on the friction surfaces is essential for proper design of the clutch to avoid failure due to thermal stresses. The dimensionless radius ratio (R=inner disc radius/outer disc radius) is the main key quantifying the quantities of heat flux and temperature on friction materials of clutch. Furthermore, the effect of (R) on the axial force, inner and outer radius, peripheral velocity and torque is investigated as well. The MATLA

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25

Rogkas, Nikolaos, Despoina Almpani, Georgios Vasileiou, et al. "A comparative study on the effect of disks geometrical features on the drag torque of a wet friction clutch." MATEC Web of Conferences 317 (2020): 04001. http://dx.doi.org/10.1051/matecconf/202031704001.

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In recent years, the need for highly efficient automatic and semiautomatic powertrains has led to the wide use of wet friction clutches as power transmission systems. While wet friction clutches surpass their counterparts dry-friction clutches in the engagement process as they provide higher efficient torque and smoother torque and speed transmission, yet they fall behind in their disengaged state where the clutch acts as a power loss to the system due to the drag torque developed on the disks from fluid’s viscous shear stresses. Shear stresses are developed due to the relative speed differenc

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26

Abdullah, Oday I., and Josef Schlattmann. "Contact Analysis of a Dry Friction Clutch System." ISRN Mechanical Engineering 2013 (August 25, 2013): 1–9. http://dx.doi.org/10.1155/2013/495918.

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The numerical simulation of the friction clutch system (pressure plate, clutch disc, and flywheel) during the full engagement period (assuming no slipping between contact surfaces) is carried out using finite element method. Two types of load condition considered affect on the clutch elements during the full engagement period are the contact pressure of diaphragm spring and the centrifugal force. The study of the pressure distribution between the contact surfaces and the factors affecting it is one of the fundamentals in the process of designing the friction clutch to obtain accurate estimatio

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27

Trotea, Mario, Augustin Constantinescu, and Loreta Simniceanu. "Analytical Calculation, Numerical Structural Analysis and Design Optimization of the Diaphragm Spring of a Mechanical Clutch." Applied Mechanics and Materials 896 (February 2020): 151–62. http://dx.doi.org/10.4028/www.scientific.net/amm.896.151.

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This paper considers the diaphragm spring of a mechanical clutch being composed by a conical disk spring and trapezoidal lamellar springs attached to the disk spring. After analytical calculation of the disk spring a numerical structural analysis was performed in order to validate the 3D model of the disk spring. A design optimization with 4 design variables was done for the disk spring and, based on the optimized design, the 3D model of the diaphragm spring was built. A 6 design variables model of the diaphragm spring was proposed for design optimization analysis having as design objective th

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28

Niknafs, Hamed, Morteza Faridkhah, and Camelia Kazemi. "Analytical Approach to Product Reliability Estimation Based on Life Test Data for an Automotive Clutch System." Mechanics and Mechanical Engineering 22, no. 4 (2020): 845–64. http://dx.doi.org/10.2478/mme-2018-0065.

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AbstractThe study of reliability is an important part of engineering design process which forms the basis of analysis and judgment on future performance of the product. Since the future couldn’t be predicted with an absolute certainty, the nature of reliability would lead us to probability theory and uncertainty modeling. The quantitative calculation of this parameter for mechanical systems within different steps of production requires an analytical and systematic approach which has been focused in this paper. The proposed approach has been applied for calculating reliability of a clutch syste

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29

Taratorkin, A. I., A. V. Zhuk, A. I. Rudnev, et al. "Ensuring the required law implementation accuracy of the transmission clutches control by regulating the working fluid volume in the hydraulic cylinder compensation chamber." Trudy NAMI, no. 3 (October 6, 2021): 67–80. http://dx.doi.org/10.51187/0135-3152-2021-3-67-80.

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Introduction (problem statement and relevance). Testing the vehicle automatic transmission and shifting gears without interrupting the power flow undesirable dynamic phenomena were revealed. The occurrence of “parasitic” centrifugal pressure in the clutch boosters was observed which resulted in self-activation of the control element, clamping the discs friction linings, which made the hydraulic cylinder emptying and piston removing from the package disks complicated. As a consequence of it there occurred a comfort decrease in the vehicle, and in some cases, the destruction of friction clutches

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30

Chen, Guo Liang, and Xiao Yang Chen. "Study on Web-Based Collaborative Design for the Vehicle Clutch Release Bearings." Applied Mechanics and Materials 80-81 (July 2011): 1070–74. http://dx.doi.org/10.4028/www.scientific.net/amm.80-81.1070.

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Clutch release bearings are an important vehicle powertrain components. Web-based collaborative design automotive clutch release bearings, making the regional formation of enterprises dynamic virtual design team, through a combination of scattered in various technological advantage, the talent to play all engineers, technicians can not subject to geographical restrictions, by computer supported collaborative design (CSCD), is a collaborative model of human and computer technology convergence of new technologies. By numerical calculation and the C# language on the separation of the axial load b

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31

Sharipov, V. M., and V. A. Kryuchkov. "Slipping work of speed synchronizer taking into account the influence of drive torque from declutched frictional clutches in a gear box." Traktory i sel hozmashiny 81, no. 2 (2014): 25–29. http://dx.doi.org/10.17816/0321-4443-65632.

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Gear shift process by using a speed synchronizer in car and tractor gear boxes has been considered. The calculation method of slipping work and synchronization time for loading conditions of speed synchronizer, taking into account active drive torque from declutched frictional clutch, are proposed.

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Yoon, Jong-yun, and Hyeongill Lee. "Dynamic vibratory motion analysis of a multi-degree-of-freedom torsional system with strongly stiff nonlinearities." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 229, no. 8 (2014): 1399–414. http://dx.doi.org/10.1177/0954406214543674.

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Physical driveline systems have inherent nonlinearities such as multiple piecewise linear springs, gear backlashes, and drag torques. The multi-staged clutch dampers, in particular, cause severe problems in simulating the nonlinear dynamic behaviors of multi-degree-of-freedom systems. In order to analyze the nonlinear dynamic behaviors of the system, the harmonic balance method has been employed. This study suggests a method to overcome the convergence problems with strong nonlinearities by employing two distinct smoothening factors for stiffness and hysteresis. First, the dynamic behaviors of

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33

Malachschenko, Vladimir, Olexsandr Orel, and Vоlodimir Fedik. "Loading capacity of ball bending clutch with straight slots." Bulletin of Kharkov National Automobile and Highway University, no. 95 (December 16, 2021): 124. http://dx.doi.org/10.30977/bul.2219-5548.2021.95.0.124.

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Based on previous research results, a more advanced design of ball coupling of freewheel (BCFH) of axial action for starters of internal combustion engines is developed, force interaction and maximum torque for the case when the grooves of one half-clutch are straight, which simplifies manufacturing technology. Calculation schemes for different positions of the main elements are offered, loading of all working surfaces of the new coupling taking into account friction of balls with lateral surfaces of grooves is established.

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Zhang, Xian Quan, He Yan Li, Chang Song Zheng, Jia Xin Zhao, Biao Ma, and Kai Li Yang. "The Pressure Design of Wet Shift Clutch Based on Thermoelastic Instability Analysis." Applied Mechanics and Materials 288 (February 2013): 287–95. http://dx.doi.org/10.4028/www.scientific.net/amm.288.287.

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This paper investigated the dynamic pressure distribution on the plates within a wet shift clutch in hydrodynamic machineries for one engagement. The perturbation pressure model, heat conduction model and pressure calculation model excited by thermoealstic instability was developed. And wrote calculation programs with Maple 15 to analyze the influence of two kinds of typical friction materials, different thermal conductivity, different initial engagement speed on perturbation pressure amplitude and its impact on the pressure design margin and design radius. The results show that the margin can

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35

Yu, Ying, Yao Run Peng, Shi Xin Lan, and Ping Zhou. "Finite Element Analysis for Wave Spring of Multi-Disc Wet Clutch Based on ANSYS." Applied Mechanics and Materials 419 (October 2013): 203–8. http://dx.doi.org/10.4028/www.scientific.net/amm.419.203.

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Wave spring is a key component of multi-disc wet clutch and the response speed and running quality of multi-disc wet clutch is affected by its characteristics. This paper analyses the theoretical calculation of load-deformation relationship of wave spring. The load-deformation relationship of wave spring is obtained by ANSYS10.0 software according to its structural characteristics and actual boundary condition and compared with the calculated results based on different methods and the measured value, and then study the effect of the wave number on the load-deformation relationship of wave spri

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36

Wang, Shuangyi, Richard James Housden, Yohan Noh, et al. "Analysis of a Customized Clutch Joint Designed for the Safety Management of an Ultrasound Robot." Applied Sciences 9, no. 9 (2019): 1900. http://dx.doi.org/10.3390/app9091900.

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Robotic systems have great potential to assist ultrasound (US) examination. Currently, the safety management method to limit the force that a US robot can apply mostly relies on force sensing and software-based algorithms. This causes the concern that the potential failure of sensors, electrical systems, or software could lead to patient injuries. In this paper, we investigated a customized spring-loaded ball clutch joint designed for a newly developed US robot to passively limit the force applied. The working mechanism of the clutch was modelled and the kinematic-based analysis was performed

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37

Bao, Heyun, Xiang Li, and Wei Huang. "Calculation method of radial displacement in the engaging process of wet friction clutch." Journal of Mechanical Science and Technology 35, no. 9 (2021): 3909–18. http://dx.doi.org/10.1007/s12206-021-0804-9.

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38

Wang, Yanzhong, Kai Yang, and Xiangyu Wu. "Structural Design and Friction Performance Test of a New Conical Groove Friction Disks in Wet Clutch." Applied Sciences 11, no. 16 (2021): 7231. http://dx.doi.org/10.3390/app11167231.

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Wet clutch transmits its power by the friction torque between friction and separate disks. Conical groove friction disk is a new attempt in Wet clutch. Its configurations allow significant enhancement of torque delivery performances, compared with the traditional plane friction disk. In order to study the frictional performances of the conical groove friction configuration, the friction coefficient calculation model of conical groove friction disk was established, and experimental investigation was used to measure the friction coefficient under sliding velocity conditions. The influence of con

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Xia, Guang, Xinghai Yu, Xiwen Tang, Linfeng Zhao, and Baoqun Sun. "Power Shift Control of High-Power Tractor Based on Pattern Search." Applied Engineering in Agriculture 36, no. 4 (2020): 565–78. http://dx.doi.org/10.13031/aea.13876.

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Highlights This article presents a multiobjective optimization function of power shift quality that uses the calculation formulas of sliding wear work, impact degree, and output torque derived from the analysis of split-phase dynamics. The calculation formulas of impact degree, sliding wear work, and output torque of each phase are derived, and a three-factor evaluation system of power shift quality is constructed. A pattern-search-based optimization method of power shift quality is proposed on the basis of the three-factor evaluation system of power shift quality. The power shift control base

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40

Liu, Yang, Zhi Long Xing, and Dong Chen. "The New Design and Research of Face Gear in the Clutch." Applied Mechanics and Materials 143-144 (December 2011): 458–62. http://dx.doi.org/10.4028/www.scientific.net/amm.143-144.458.

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Based on the characteristics of low efficiency and short life cycle of the previous face gear in the clutch, the article puts forward a new type of the face gear. The new face gear can joggle interlaced gear, transfer large torque and extend service life. The article describes the history and recent research of the gear fear, compares the structural characteristics of the previous face gear and the new face gear and analyzes the theory of the strength calculation for the transmission intensity of the new face gear. What's more, simulations based on finite element analysis draw the face gear tr

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Bao, Heyun, Chao Zhang, Xiaonan Hou, and Fengxia Lu. "Wear Characteristics of Different Groove-Shaped Friction Pairs of a Friction Clutch." Applied Sciences 11, no. 1 (2020): 284. http://dx.doi.org/10.3390/app11010284.

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To investigate the influence of the groove shape of friction disks on the wear of a friction clutch friction pair, a wear calculation model that considers the actual sliding distance between the friction clutch friction pair is presented based on the Archard adhesive wear model. The wear of three different groove-shaped friction pairs was calculated and analyzed. The wear test was carried out on the SAE#2 testing rig to obtain the actual wear amount and verify the accuracy and validity of the mathematical model. The results show that, among the three types of grooves, the friction disks with w

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Chen, Hao, Rui-ping Zhou, Jun-song Lei, Hong-yan Jiang, and Jun Ye. "Theoretical and Experimental Study of the Torque Impact and Shaft Response during the Rapid Engaging Process of a Gas Turbine." Shock and Vibration 2022 (May 17, 2022): 1–12. http://dx.doi.org/10.1155/2022/7555053.

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Gas turbines produce torque impacts during the rapid engaging process, which could obviously affect the safety of the propulsion shafting. To analyze the impact load and the corresponding response of a shaft, a calculation method is proposed for the torque impact load, based on a propulsion shafting model and the motion characteristics of a synchro-self-shifting (SSS) clutch. In addition, the time-domain integration method was used to analyze the shaft response under an impact load. Finally, the engaging process was reproduced in an experimental plant, and the proposed method was verified with

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Sunaryo, Sunaryo, Legisnal Hakim, Ari Andriyas Puji, and Denur Denur. "PENERAPAN METODE RELIABILITY CENTERED MAINTENANCE ( RCM ) PADA MESIN CAKE BREAKER CONVEYOR DI PABRIK KELAPA SAWIT ( PKS )." Jurnal Teknik Industri Terintegrasi 4, no. 2 (2021): 21–28. http://dx.doi.org/10.31004/jutin.v4i2.3220.

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Oil palm plantations and their processing units are expected to grow rapidly, advances in science and technology are very fast along with sophisticated equipment created to simplify and speed up a production process in a palm oil factory, one of which is the Cake Breaker Conveyor (CBC) which functions to break/separate oil palm kernels. core of the shell in oil palm kernel processing. Problems that often occur in the process of separating pulp with palm kernel are in the transfer Cake Breaker Conveyor (CBC). This study tries to propose a machine maintenance system using the application of the

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Timofievskiy, A. A. "Control of dynamics of tractor with electronic gearshift control." Izvestiya MGTU MAMI 11, no. 1 (2017): 78–88. http://dx.doi.org/10.17816/2074-0530-66938.

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The article deals with control of process of tractor unit acceleration from the standpoint of meeting the requirements imposed on the dynamics of the tractor: the maximum value of the tractor acceleration and the maximum acceleration growth rate. As in the electro-hydraulic shift control the pressure in the switchable friction clutches is controlled by a feedback effected by proportional hydraulic valves, the pressure change process is considered to be exponential. The time constant of this process is defined. It is established that the simultaneous acceptance of the permissible values of the

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Wu, Peng-hui, Jin Xu, and Xiao-Jun Zhou. "Numerical and experimental research on engagement process of wet multi-plate friction clutches with groove consideration." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 233, no. 10 (2019): 1464–82. http://dx.doi.org/10.1177/1350650119866045.

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A numerical model is established to investigate the effects of the influencing factors such as design parameters and operating conditions on the performance and behavior of the engagement process of the wet clutch based on the Navier–Stokes equations, contact mechanics, and heat transfer theory. A finite element contact model called KE contact model is used to analyze the rough contact during engagement process and thermal effect on the viscosity is considered based on heat transfer theory. The integration of the grooving into the simulation and the method of coupled finite element by domain d

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Salamandra, K. B., and L. I. Tyves. "Applying the law of conservation of angular momentum in the analysis of switching in automatic transmissions." Izvestiya MGTU MAMI 10, no. 3 (2016): 80–88. http://dx.doi.org/10.17816/2074-0530-66940.

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The solution of problems of the dynamics of mechanisms is based either on a differential principles of theoretical mechanics, or integrated principles. The first involves the drawing up of the Lagrange equations of the dynamics that characterize the state of the mechanism at any given time, and the analysis of their solutions. The second are related to the conservation laws (the law of conservation of energy, momentum conservation law) and allow making an integrated assessment of the results of movements for any interval. The differential principle is used for the analysis of dynamic processes

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Yang, Fan, and Chenglin Gu. "Magnetic Field Calculation of a Novel Electromagnetic Clutch Based on an Interpolating Element-Free Galerkin Method." IEEE Access 8 (2020): 204763–69. http://dx.doi.org/10.1109/access.2020.3036613.

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Liang, Xiutian, Liqing Chen, Yuming Wang, and Ling Wan. "A proposed torque calculation model for multi-plate clutch considering boundary lubrication conditions and heat transfer." International Journal of Heat and Mass Transfer 157 (August 2020): 119732. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2020.119732.

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Kolyadin, P., and Vladimir Pryadkin. "MODELING THE TRANSMISSION OF A MOBILE MEANS ON TIRES OF EXTRA LOW PRESSURE TAKING INTO ACCOUNT THE INFLUENCE OF ROAD UNEQUALITIES." Actual directions of scientific researches of the XXI century: theory and practice 8, no. 1 (2020): 272–77. http://dx.doi.org/10.34220/2308-8877-2020-8-1-272-277.

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The work is devoted to the problem of negative dynamic effects on the transmission and the engine of a mobile vehicle on ultra-low pressure tires. When using this propulsion device on technological means, the load on wheel reducers (final drives), half shafts, differential, final drive, on the shaft and cardan drive hinges, spline connection, transfer case, elastic transmission clutch, transmission drive and driven shafts sharply increases with gears, clutch driving and driven parts, engine crankshaft. When the load on these elements is excessive, their service life is reduced, and excessive l

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Kurniawan, Yudi, Junaidi Junaidi, and Nofriadi Nofriadi. "Pembuatan Dan Pengujian Mesin Penumbuk Daging Rendang Suir Kapasitas 1kg/Jam." Jurnal Teknik Mesin 11, no. 1 (2019): 1–10. http://dx.doi.org/10.30630/jtm.11.1.172.

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Rendang is a typical food from Minangkabau that must be present in every custom event in Minangkabau, to improve the quality of the rendang meat, processed rendang meat is processed into processed rendang suir meat to improve the quality of its resistance. At this time the process of making rendang meat still uses a manual process which certainly does not fulfill all the desires of consumers, so the meat rending machine is made with a capacity of 1 kg / minute. This machine functions to pound rendang meat so that fiber from meat looks easier to stir. This machine aims to help the process of pu

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