Digital tooth contact analysis of face gear drives with an accurate measurement model of face gear tooth surface inspected by CMMs

Wang, Shenghui; Zhou, Yuansheng; Tang, Jinyuan; Tang, Kai; Li, Zhengminqing

doi:10.1016/j.mechmachtheory.2021.104498

Cited by 56 publications

(30 citation statements)

References 24 publications

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“…Therefore, some scholars have conducted tooth contact analysis for the real tooth surfaces, reconstructed with the measured data using CMMs or GMCs. Wang et al [ 15 ] used the compensated measured data to reconstruct the tooth surface of face gears and conducted the digital tooth contact analysis using the proposed robust algorithm. Lin et al [ 16 ] presented a least rotation angle method and the improved quad-tree search algorithm to compute the contact pattern and transmission error of a single flank fitted by the data measured on GMCs.…”

Section: Introductionmentioning

confidence: 99%

A Measurement Solution of Face Gears with 3D Optical Scanning

Zhao

et al. 2022

Materials

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Gears are usually measured by the contact metrology method in gear measuring centers or coordinate measuring machines. Recently, three-dimensional (3D) optical scanning, a non-contact metrology method, has been applied in the industry as an advanced measurement technology mainly due to its high efficiency. However, its applications to gears with complicated geometry, such as face gears, are still limited due to its relatively low accuracy and the void of related measurement solutions. In this work, an accurate measurement solution with 3D optical scanning is proposed for the tooth surface deviations of orthogonal face gears. First, point cloud collection is carried out by the 3D scanner. Furthermore, the measurement solution is implemented with a three-stage algorithm by aligning point clouds with the design model. Subsequently, 3D modeling is studied by numbering the points and reconstructing the real tooth surfaces. An example with a measurement experiment and loaded tooth contact analysis is given to show the validity of the proposed method.

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Section: Introductionmentioning

confidence: 99%

A Measurement Solution of Face Gears with 3D Optical Scanning

Zhao

et al. 2022

Materials

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“…How to generate the NC machining programme quickly and accurately is a key link to realise the gear cutting. With the rapid development of computer technology, great progress has been made in the fields of tooth surface precision modeling, simulation processing, error compensation, [16][17][18][19][20] etc. The development of five-axis NC machining technology [21][22][23] and its application in gear surface machining make it possible to NC machining this kind of split gear.…”

Section: Introductionmentioning

confidence: 99%

Solution of numerical control motion and experiment for machining split equal-base circle bevel gear

Wang

et al. 2022

Advances in Mechanical Engineering

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The purpose of this study is to realise numerical control (NC) gear cutting on the split wheel blank of equal-base bevel gears, based on the instantaneous cutter position information in tooth surface forming and NC machining theory, the coordinate system of split equal-base bevel gears is established. According to the movement of tool centre coordinate and its transformation, the linear motion of machine tool is solved. By the rotation and translation of the tool axis vector, the solution of the rotary motion of the machine tool is obtained. According to the different rotation direction and concave-convex property of tooth surface, the calculating model of the starting point of processing of each tooth surface is deduced. The complete machining trajectory is formed by analysis and extension of the tool starting point and terminal point of machining, and the automatic generation of the NC machining program is realised. Finally, the simulation of gear cutting on the split wheel blank is carried out using VERICUT software. The experimental and tooth surface measurement results show that the mathematical model of motion trajectory is correct and the machining method is feasible.

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“…Mu and Fang 18 proposed a transmission error control method by curvature modification. Wang et al 19 proposed a contact characteristics analysis method from the measured tooth surfaces. Tan et al [20][21][22] introducing purerolling contact condition and proposed the analytical model of spiral bevel gears of pure-rolling-contact.…”

Section: Introductionmentioning

confidence: 99%

An analytical framework of the kinematic geometry for general point-contact gears from contact path

Tan

Zhang

Guo

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part C:

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Based on the idea that the relative curvature relationships along total contact path will better reflect the contact characteristics of gears, this study attempts to develop an analytical framework for the kinematic geometry of point-contact gears from the contact paths. First, a general method for obtaining the contact path of a gear from a pinion is proposed. Second, a normal curvature and geodesic torsion calculation method in the contact path direction is developed. Then, based on the linearly dependent condition of the tangent vectors of the two contact paths, two relative normal curvature analysis methods are proposed by applying the fundamental form theory. Finally, a sample case is presented to show the application and complete the verification of the kinematic geometry methods. The sample case agrees with the analytical model.

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Digital tooth contact analysis of face gear drives with an accurate measurement model of face gear tooth surface inspected by CMMs

Cited by 56 publications

References 24 publications

A Measurement Solution of Face Gears with 3D Optical Scanning

A Measurement Solution of Face Gears with 3D Optical Scanning

Solution of numerical control motion and experiment for machining split equal-base circle bevel gear

An analytical framework of the kinematic geometry for general point-contact gears from contact path

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