A flank correction face-milling method for bevel gears using a five-axis CNC machine

Shih, Yi-Pei; Sun, Zi-Heng; Lai, Kuei-Li

doi:10.1007/s00170-017-0032-8

Cited by 17 publications

(12 citation statements)

References 10 publications

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“…Manufacture of noncircular gear is very complicated, while that of noncircular bevel gear is more complicated [23,27]. In this paper, 5-axis CNC engraving and milling machine is applied to process this gear pair.…”

Section: Experimental Validation and Analysesmentioning

confidence: 99%

“…Based on the gear engagement theory, Lin et al solved the model of noncircular bevel gears by using enveloping theory, which is extended to the principle and experimental research of high-order elliptic and high-order deformed elliptical bevel gears [9,12,19]. Tsay et al have made in-depth studies on the mathematical and 3-d models, kinematics and dynamics characteristics, CAM and experiments of noncircular gears [20][21][22][23]. Giorgio et al [24] proposed a general formulation of the synthesis of the pitch cones of N-lobed elliptical bevel gears.…”

Section: Introductionmentioning

confidence: 99%

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Kinematic analysis and experimental verification of an oval noncircular bevel gears with rotational and axial translational motions

Hou

Lin

2019

J Braz. Soc. Mech. Sci. Eng.

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This paper proposes a new type of gear transmission based on the space engagement theory, which can achieve not only simple motion transmission between intersecting axes, but also the compound motion of the rotation and axial translation between them. An oval noncircular bevel gear engagement coordinate system was first established with parameter equations of the pitch cone described in spherical coordinates. Then, the spherical involute equations and formula for calculating displacement and axial translational velocity of the gears were derived. Experimental tests were carried out to validate the kinematic characteristics of oval noncircular bevel gear transmission calculated from theoretical models. The influences of eccentricity on the indicators, such as axial displacement, rotational angle, angular velocity and acceleration, periodicity of the line of contact and periodicity of each motion characteristic parameter, have been analyzed and discussed in last. Experimental verification and kinematic analysis indicate that the proposed gear design method is appropriate with great potential for industrial applications.

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Section: Experimental Validation and Analysesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Kinematic analysis and experimental verification of an oval noncircular bevel gears with rotational and axial translational motions

Hou

Lin

2019

J Braz. Soc. Mech. Sci. Eng.

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“…In order to solve the problem that the tooth surface points cannot cover the whole tooth surface, Wang et al [11] proposed a new adaptive geometric meshing theory with an advanced study of cutter geometry and meshing theory. Shih et al proposed a method to manufacture face-milled SBGs and the cutter head on a five-axis CNC machine [12] and then carried out real cutting experiments [13]. Álvarez et al [14] studied different machining strategies of five-axis CNC milling to improve the machining quality of SBGs.…”

Section: Introductionmentioning

confidence: 99%

An Efficient Approach to the Five-Axis Flank Milling of Non-Ferrous Spiral Bevel Gears

Xu¹,

Zhou

et al. 2021

Materials

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Five-axis flank milling has been applied in industry as a relatively new method to cut spiral bevel gears (SBGs) for its flexibility, especially for the applications of small batches and repairs. However, it still has critical inferior aspects compared to the traditional manufacturing ways of SBGs: the efficiency is low, and the machining accuracy may not ensure the qualified meshing performances. To improve the efficiency, especially for cutting non-ferrous metals, this work proposes an approach to simultaneously cut the tooth surface and tooth bottom by a filleted cutter with only one pass. Meanwhile, the machining accuracy of the contact area is considered beforehand for the tool path optimization to ensure the meshing performances, which is further confirmed by FEM (finite element method). For the convenience of the FEM, the tooth surface points are calculated with an even distribution, and the calculation process is efficiently implemented with a closed-form solution. Based on the proposed method, the number (or total length) of the tool path is reduced, and the contact area is qualified. Both the simulation and cutting experiment are implemented to validate the proposed method.

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“…With the face hobbing process, the curve in the lengthwise direction of the tooth is an extended epicycloid and is a function of the relative roll between the workpiece and the cutter [9][10][11]. Two common production methods of spiral bevel gears in gear industry are face-milling and facehobbing, both of them have similar cutting movements.…”

Section: Design Of Spiral Gears and Cutting Methodsmentioning

confidence: 99%

“…Face-hobbing is a continuously indexing tooth generation process, where all the teeth are cut a little at a time, until all the teeth are finished to the final desired depth. With the face hobbing process, the curve in the lengthwise direction of the tooth is an extended epicycloid and is a function of the relative roll between the workpiece and the cutter [9][10][11].…”

Section: Design Of Spiral Gears and Cutting Methodsmentioning

confidence: 99%

Design and manufacturing of spiral bevel gears using CNC milling machines

Tsiafis

Mamouri

Kompogiannis

2018

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract. Gears are some of the most important elements used in machinery. Their purpose is to transmit motion and torque from one shaft to another. When shafts intersect, bevel gears provide the most efficient mean of transmitting power. There are two main forms of bevel gears, straight bevel gears and spiral bevel gears. This paper is the first of a sequence of papers concerning design and manufacturing of spiral bevel gears using computer numerical control (CNC) milling machines. It is an introduction to their designing features, showing the standards that recommend the geometrical dimensions of gear tooth and a theoretical approach to the traditionally used cutting methods of spiral gears, Gleason, Oerlikon and Klingelnberg methods. Finally, it is presented five-axis machining tools that can be used for cutting of spiral bevel gears.

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A flank correction face-milling method for bevel gears using a five-axis CNC machine

Cited by 17 publications

References 10 publications

Kinematic analysis and experimental verification of an oval noncircular bevel gears with rotational and axial translational motions

Kinematic analysis and experimental verification of an oval noncircular bevel gears with rotational and axial translational motions

An Efficient Approach to the Five-Axis Flank Milling of Non-Ferrous Spiral Bevel Gears

Design and manufacturing of spiral bevel gears using CNC milling machines

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