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Journal articles on the topic 'Cold spline rolling'

Author: Grafiati

Published: 4 June 2021

Last updated: 18 February 2022

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1

Li, Yong Tang, Jian Li Song, Da Wei Zhang, and Quan Gang Zheng. "Mechanics Analysis and Numerical Simulation on the Precise Forming Process of Spline Cold Rolling." Materials Science Forum 575-578 (April 2008): 416–21. http://dx.doi.org/10.4028/www.scientific.net/msf.575-578.416.

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The forming process of spline cold rolling was analyzed. The unit average pressure, contact area and rolling force in the cold rolling precision forming process were analyzed and solved. The mechanical and mathematical model has been set up on the basis of the analysis. The numerical simulation of spline cold rolling process was carried out. The results obtained by comparison of theoretical analysis, numerical simulation and experiment provide a theoretical basis for the study and application of spline cold rolling process.

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2

Zhang, Bao Guo. "Small Module Involute Spline Processing with Position Requirements." Advanced Materials Research 690-693 (May 2013): 2383–86. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.2383.

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Spline shaft is widely used as one of the important parts in machinery. Cold rolling process is currently the main processing method to small module splines.For the spline with position requirements, that is: one of the spline tooth is located at an angle of the spline shaft cross section, cold rolling processing can't guarantee the spline tooth position. The paper analyzes the defects existed in the rolling and processing of this kind of spline. Through transforming a hydraulic press and design special frock clamp to ensure the spline tooth position angle, the small modulus involute spline processing with position requirements is realized in the way of punch press processing.

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3

Zhang, Bao Guo. "Discussion on Processing Technology of Small Modulus Involute Spline." Advanced Materials Research 510 (April 2012): 59–63. http://dx.doi.org/10.4028/www.scientific.net/amr.510.59.

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Spline shaft is widely used as one of the important parts in machinery, It is complex in manufacturing process, its appearance quality and size precision and the comprehensive mechanical performance requirements of high. Small modulus involute spline rolling technology has many advantages, Can reduce the cost, improve quality and The use of reliable.Cold rolling process is currently the main processing mode for small module splines, but the special machine is too expensive.This article describes how to achieve a small modulus spline cold rubbing process by transforming an existing thread rolling machine while without buying the expensive special machine. The focus is on the problems encountered in the process of equipment transformation: design of cutters, control of the workpiece diameter and how to solve the fault spline gear in the course of processing.

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4

Ding, Z. H., F. K. Cui, Y. B. Liu, Y. Li, and K. G. Xie. "A Model of Surface Residual Stress Distribution of Cold Rolling Spline." Mathematical Problems in Engineering 2017 (2017): 1–21. http://dx.doi.org/10.1155/2017/2425645.

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Residual stress is an important parameter in the evaluation of the performance of a cold rolling spline surface. However, research on cold rolling spline is rare. To improve the surface property of a spline, an involute spline is selected as the object of this study. The contour method for determining cold roll-beating residual stress involves measuring the force spatial distribution, performing a statistical analysis of the experimental results, establishing the parameters for the tooth profile for different positions (dedendum, pitch, and addendum) of residual stress, and determining the effect of pressure on the relationship between stress and the depth of the cold roll-beating. A response surface method is used to establish the spline tooth profile of the dedendum, pitch, and addendum of the residual stress and different depths of the stress layer to obtain the parameters of a multiple regression model and perform a comparative analysis of the experimental and prediction results. Research indicates that the prediction results have high reliability. The establishment of this model has important guiding significance to control the residual stress in the cold roll-beating forming process, optimize the cold roll-beating processing parameters, and improve the surface properties of cold rolling spline.

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5

Wang, Zhi Kui, and Qing Hui Zhu. "Back-Stepping Design Research of Spline Die Based on Cold-Rolling Forming." Advanced Materials Research 291-294 (July 2011): 676–81. http://dx.doi.org/10.4028/www.scientific.net/amr.291-294.676.

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The author introduces the method and steps of determining key parameters of spline cold-rolling die using back-stepping design method. To verify the feasibility of the back-stepping design method in theory, the author made forming simulation and experiment with cold-rolling tooth-entwisted spline designed, analyzing the relationship between die design parameters and spline forming precision and giving correction way. Finally, the related factors influencing the forming precision of spline are introduced and the practical significance in machine-building industry of the back-stepping design method is emphasized.

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6

Liu, Zhi Qi, Jian Li Song, Yong Tang Li, Xu Dong Li, and Ming Fu Wang. "Process and Properties on the Precision Forming of Spline Cold Rolling." Advanced Materials Research 154-155 (October 2010): 191–96. http://dx.doi.org/10.4028/www.scientific.net/amr.154-155.191.

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Cold rolling precision forming process of spline is one of the high-efficiency, precision and non-chip forming advanced manufacturing technologies. It has the characteristics such as high forming efficiency, energy-saving, low material consumption and better forming properties of components. The principle and the force of involute spline cold rolling precision forming process were analyzed. Forming experiments of involute spline cold rolling were carried out, and the microhardness map of the tooth outline was gained. The rule of the metal flow in the deforming area and the forming mechanics of the microstructure were analyzed. The influence of plastic deformation on the forming properties was also conducted. Experimental results showed that dramatic plastic deformation has taken place on the upper surface of the workpiece during the cold rolling process of spline, while the influence on the inner materials were very small. The grains were distributed as a flow line pattern along the tooth profile, and the grains in the plastic deformation zone presented a fine and long fibrous state. The hardness on the section of the tooth outline is regularly distributed. Compared with the spline components obtained from conventional cutting method, the hardness of the spline was greatly increased, therefore, comprehensive mechanical property such as wear resistance and impact resistance were largely improved. Precision measuring and hardness testing of the tooth outline section showed that the components obtained by the experiments were free of defects, and the application requirement can be satisfied.

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7

ZHANG, Dawei. "Rolling Force and Rolling Moment in Spline Cold Rolling Using Slip-line Field Method." Chinese Journal of Mechanical Engineering 22, no. 05 (2009): 688. http://dx.doi.org/10.3901/cjme.2009.05.688.

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8

Liu, Zhi Qi, Jian Li Song, Hui Ping Qi, Yong Tang Li, and Xu Dong Li. "Parameters and Experiments on the Precision Forming Process of Spline Cold Rolling." Applied Mechanics and Materials 34-35 (October 2010): 646–50. http://dx.doi.org/10.4028/www.scientific.net/amm.34-35.646.

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Cold rolling precision forming process of spline is one of the high-efficiency, precision and non-chip forming advanced manufacturing technologies. It has the characteristics such as high forming efficiency, energy-saving, low material consumption and better forming properties of components. The process and principle of involute spline cold rolling precision forming was analyzed. A measuring and testing system for the force and energy parameters in the forming process was set up, and the real-time variation curves of the torque moment of the spindle and the radial feeding force were obtained. Also, the influencing rules of process parameters on the maximum radial feeding force and spindle torque were investigated. Finally, Precision forming experiments of involute spline cold rolling were carried out with optimized parameters. Precision measuring and hardness testing of the tooth outline section shows that the components obtained by the experiments were free of defects. Compared with the spline components obtained from conventional cutting process, the hardness and wear ability was greatly improved, which is suitable for the requirement of application.

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9

Wang, Zhi-kui, and Qing Zhang. "Numerical simulation of involutes spline shaft in cold rolling forming." Journal of Central South University of Technology 15, S2 (2008): 278–83. http://dx.doi.org/10.1007/s11771-008-0471-3.

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10

ZHANG, Dawei. "Mechanics analysis on precise forming process of external spline cold rolling." Chinese Journal of Mechanical Engineering (English Edition) 20, no. 03 (2007): 54. http://dx.doi.org/10.3901/cjme.2007.03.054.

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11

Zhang, Feng Shou, Feng Kui Cui, Chun Mei Li, and Xiao Qiang Wang. "Research on Grinding Model of Roller for Manufacturing Involute Spline." Key Engineering Materials 416 (September 2009): 524–28. http://dx.doi.org/10.4028/www.scientific.net/kem.416.524.

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The paper studies the grinding process of cold roller. The shape of grinding wheel, the arc radius of grinding wheel, the motion trajectory of wheel center and the grinding force are analyzed. The mathematical model is established. The cold rolling experiment shows that the analyses and formula deduced in this paper are correct. It provides theoretical basis for designing and manufacturing roller and provides the mathematical guidance for making process parameter and designing grinding machine.

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12

Yu, Meng, Qing Dong Zhang, Bo Wang, Xiao Feng Zhang, and Jian Peng. "Research on Rolling Model Based on Non-Circular Contact Arc for Cold Strip Temper Rolling." Advanced Materials Research 145 (October 2010): 223–29. http://dx.doi.org/10.4028/www.scientific.net/amr.145.223.

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During temper rolling, the reduction is small, the length of contact arc is short, and the elastic deformation of work roll is large. Roll shape is not circular arc, the assumption of circular roll shape is no longer applicable. In this paper, quintic B-spline function is used in interpolation operations with normal pressure distribution so that roll shape can be solved by Gaussian integration. And a rolling model based on non- circular contact arc for cold strip temper rolling is established. The calculated results show good agreement with the actual value. The model can meet manufacturing requirement of the field and receives better control effect of elongation.

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13

ZHANG, Dawei. "Tooth curves and entire contact area in process of spline cold rolling." Chinese Journal of Mechanical Engineering (English Edition) 21, no. 06 (2008): 94. http://dx.doi.org/10.3901/cjme.2008.06.094.

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14

LIU, Zhiqi. "Analysis and Experimental Study on the Precision Cold Rolling Process of Involute Spline." Journal of Mechanical Engineering 47, no. 14 (2011): 32. http://dx.doi.org/10.3901/jme.2011.14.032.

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15

Li, Guo Chang. "Research on Roll Bending Forming Dynamic Linked List Model and Intelligence Deformation Analysis." Applied Mechanics and Materials 215-216 (November 2012): 857–60. http://dx.doi.org/10.4028/www.scientific.net/amm.215-216.857.

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Aiming at the actual cold bending forming rolling process, in order to make more accurate analyses to stress and strain, the paper mentioned dynamic link model of rolling process, and based on the spline finite method , using the model to study the deformation analysis method of node and link in actual roll forming process, giving the holey stress and strain mathematics description type of link structure node, and on this basis intelligent node structure is given. Set up corresponding Agent for each node or link, establish knowledge rules for each Agent, realize a new method making use of link model to analysis cold bending forming. Provide the theoretical foundation of establishing a new complex profile groove design algorithm.

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16

Cui, Fengkui, Yongxiang Su, Shaoke Xu, Fei Liu, and Guolin Yao. "Optimization of the Physical and Mechanical Properties of a Spline Surface Fabricated by High-Speed Cold Roll Beating Based on Taguchi Theory." Mathematical Problems in Engineering 2018 (2018): 1–12. http://dx.doi.org/10.1155/2018/8068362.

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The aim of this work is to control the physical and mechanical properties of a spline surface and achieve a reasonable choice of high-speed cold roll-beating processing parameters. The surface residual stress and surface work hardening at the indexing circle serve as the main evaluation indices of the physical and mechanical properties of the spline surface. The influence degree of the processing parameters on each evaluation index is analyzed using Taguchi theory. An optimized model for improving the Taguchi process capability index that combines Taguchi theory with entropy theory is established, and the integral process capacity index is optimized via the generalized price reduction gradient method. The results of the optimization and the verification test are implemented in a high-speed cold roll forming test for comparison. The results show that the influence of processing parameters on the physical and mechanical properties of the splash surface of the cold roll can be ordered as follows: feed rate > roll round radius > cold roll-beating speed. In addition, the spline surface physical and mechanical properties of the optimal processing parameters were obtained for the combination of a cold rolling speed of 1581 r/mm, feed rate of 42 mm/min, and roll round radius of 2 mm.

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17

Cui, Feng Kui, Ya Fei Xie, Xiao Dan Dong, and Li Min Hou. "Simulation Analysis of Metal Flow in High-Speed Cold Roll-Beating." Applied Mechanics and Materials 556-562 (May 2014): 113–16. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.113.

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In order to achieve the metal flow law in high-speed cold roll-beating, the metal flow state was analyzed on the basis of the principle of high-speed cold roll-beating and the Law of Minimum Resistance. The finite element analysis model was established based on the processing of involute spline; high-speed cold rolling forming process was simulated. The equivalent strain and the flow track of a set of nodes on the contact surface on different time are analyzed, the flow law of each node is given, and simulation analysis result is compared with theoretical analysis result.

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18

Wang, X. Q., F. K. Cui, X. J. He, and H. Y. Xu. "Forming Principle and Error Analysis of Ballscrew Manufactured by Cold Rolling." Advanced Materials Research 670 (March 2013): 85–90. http://dx.doi.org/10.4028/www.scientific.net/amr.670.85.

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Cold rolling is an advanced splinterless processing method, which has been applied to process many parts, like spur gears, helical gears, spline shaft and ballscrew, etc. Ballscrew which determines the motion characteristics has been used as key transmission part of ballscrew pair. According to differential geometry and meshing theory, the mathematic model of ballscrew manufactured by cold rolling is built, and the normal section equation of ballscrew is derivated in this paper. The cold forming principle of ballscrew is investigated; the meshing model, the contact line and theoretical errors of the ballscrew are constructed. The objective moving laws between roller and workpiece are revealed by analyzing the meshing model and the contact line, the processing method of cold-rolling is considered as the generating method which can lay the foundation for roller design by analyzing forming principle. By analyzing the profile error and the error of the actual helix of the centrode of ball, the error generation causes are discovered, and the calculation methods of the profile error and the spiral error of ballscrew are proposed. By analyzing the error evolution and taking a certain type of ballscrew for example, the results indicate that the profile error is brought by roller designing, and the spiral error is caused by discontinuous contact.

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19

Li, Guo Chang. "Research on Intelligent Precise Pass Design Algorithms." Advanced Materials Research 602-604 (December 2012): 1938–41. http://dx.doi.org/10.4028/www.scientific.net/amr.602-604.1938.

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How to build a stable pipe roller design algorithm system has become the difficulty of modern steel pipe roller design. Although the theory researching cold bending forming is more now, but the theory used to guide pass design is less. This paper studied and established the new rolling process model based on spline finite strip theory. It’s good to Shape the way time and build the chain storeing deformation way Agent structure in transition region. It helped to realize intelligent single channel cold bending forming a stress and strain description. And it is usefull to establish forming theory and the parameters contact of the pass design. In a word, it provided the theory basis for the precise pass design.

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20

Liu, Hong-Min, Jia-Chuang Lian, and Yan Peng. "Third-power spline function strip element method and its simulation of the three-dimensional stresses and deformations of cold strip rolling." Journal of Materials Processing Technology 116, no. 2-3 (2001): 235–43. http://dx.doi.org/10.1016/s0924-0136(01)00999-2.

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21

Kim, Bong Joon, Eun Soo Park, Won Yong Byeon, Dal Joon Cha, and Yong Nam Kwon. "Study on the Formability of the Seam Welded Tube for Manufacturing the Drive Shaft." Advanced Materials Research 631-632 (January 2013): 708–12. http://dx.doi.org/10.4028/www.scientific.net/amr.631-632.708.

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In this study, cold reduction process of the tubular metal is applied to manufacture the drive shaft for the rear wheel drive system. With this method during forming process, chip forming such as hobbing and broaching method is not involved. The manufacturing process is as follows; the tube which the sheet is formed and welded to by roll forming machine, is mounted on a suitable mandrel. This mandrel has an external toothing which corresponds to internal toothing of the final product. During axial moving and rotating of the workpiece, forming operation is carried out in lengthwise direction of the toothing. This forming rolls is positioned on the roll head and have a rolling axis vertical with the one of a mandrel. The total forming load needed in the cold reduction process is separated into numerous forming steps along the entire cylindrical length of the zone to be formed. In the process of cold forming on the profiled mandrel during the impact forming operation, material is pushed into depression of toothing of a mandrel mainly in a radial direction. Finally splines can be generated on the surface of components and overall elongated. If the process parameter such as the length of forming per 1rotation of 1roll is not optimized, the impact force from the rolls of the forming process causes geometrical defects. So the optimal parameters such as feeding and rotating speed of workpiece and the forming length should be properly determined. And the effects of the weld line positioning on the formability of the forming process is analyzed to minimize the generation of the defects such as crack on the surface of splined zone.

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22

Zheng, Yong Feng, Zheng Xing Guo, and Ming Xie. "Behaviour of Grout-Filled Splice under Monotonic and Cyclic Loads." Advanced Materials Research 1079-1080 (December 2014): 322–26. http://dx.doi.org/10.4028/www.scientific.net/amr.1079-1080.322.

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Grout-filled mechanical splice system is one of the most important technologies for precast construction. However, due to the high cost of grouted sleeve in Chinese construction market, the implementation of this technology is hindered. In this study, a new type of grouted sleeve was developed with standard seamless steel pipe by cold rolling depression. Utilizing this sleeve, eight coupler specimens were prepared and tested under incremental tensile load and cyclic load. The results indicate that all the specimens provided satisfactory behaviour of which the ultimate tensile strength exceeded the required loading capacity specified in ACI318 and JGJ107. The inner cavity configuration of the grouted sleeve has great influence on the confining mechanism of the splice and on the strain distribution in the sleeve. Because the compressive strength of grout is greatly higher than its tensile strength, the slope of the load-strain response curve of the sleeve under tensile load is lower than it under compressive load.

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23

Tabakov, V. P., V. A. Adakin, and A. V. Chikhranov. "Investigation of residual stresses in rolling rollers for cold plastic deformation of spline profile on shafts." Strengthening Technologies and Coatings, 2021, 113–16. http://dx.doi.org/10.36652/1813-1336-2021-17-3-113-116.

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The residual stresses that occur in rolling rollers for cold plastic deformation of the spline profile on the shafts, during their manufacture, as well as during their operating time to failure are studied. Investigated residual stresses in rolling the rollers when applied to the working surfaces of a single-layer of wear-resistant coatings.

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24

Adakin, V. A., and A. V. Chikhranov. "Stress states of a tool and a billet during multi pass cold rolling of rectangular splines on shafts." Vestnik Mashinostroeniya, July 2020, 78–81. http://dx.doi.org/10.36652/0042-4633-2020-7-78-81.

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It is proposed to use the contact stresses that arise when rolling splines on the shafts to predict the complex profile of the part, resources and moments of failure of the tool and the shaft. Keywords contact stresses, plastic deformation, rolling, knurling roller. AWA-adakin@yandex.ru

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