Parallel Simulation of Bevel Gear Cutting Processes with OpenMP Tasks

2009 ◽  
pp. 1-14 ◽  
Author(s):  
Paul Kapinos ◽  
Dieter an Mey
Keyword(s):  
Parallel Simulation ◽  
Bevel Gear ◽  
Gear Cutting ◽  
Cutting Processes

Tool Load during Multi-Flank Chip Formation

2011 ◽  
Vol 223 ◽  
pp. 525-534 ◽  
Author(s):  
Fritz Klocke ◽  
Christof Gorgels ◽  
Stefan Herzhoff
Keyword(s):  
Chip Formation ◽  
Mechanical Load ◽  
Bevel Gear ◽  
Cutting Edge ◽  
Machining Simulation ◽  
Gear Cutting ◽  
Gear Hobbing ◽  
Simulation Results ◽  
Cutting Processes ◽  
Mechanical Tool

Tools used in cutting processes with multi-flank chip formation like gear hobbing or bevel gear cutting, often reach their tool life due to excessive wear at the tool corner radius. Tool wear depends on the strength of the cutting edge and on the thermal and mechanical load. The objective of this work is to analyze the thermal and mechanical tool load during multi-flank chip formation. As the tool load cannot be measured in the necessary high local resolution, a finite element based machining simulation is used to model the process of chip formation. The simulation is able to calculate the temperature and stress distribution along the cutting edge. For the examinations presented in this report the bevel gear cutting process for ring gears is simulated. The simulation results show a significant thermal and mechanical load maximum at the tool corner, where the maximal wear occurs in cutting.

Manufacture of face-hobbed straight bevel gears using a six-axis CNC bevel gear cutting machine

2013 ◽  
Vol 68 (9-12) ◽  
pp. 2499-2515 ◽  
Author(s):  
Yi-Pei Shih ◽  
Ya-Chuan Huang ◽  
Yi-Hui Lee ◽  
Jhih-Ming Wu
Keyword(s):  
Bevel Gear ◽  
Bevel Gears ◽  
Gear Cutting ◽  
Cutting Machine

scholarly journals Influence of Gear Design on Tool Load in Bevel Gear Cutting

Procedia CIRP ◽  
2012 ◽  
Vol 1 ◽  
pp. 66-71 ◽  
Author(s):  
Fritz Klocke ◽  
Markus Brumm ◽  
Stefan Herzhoff
Keyword(s):  
Bevel Gear ◽  
Gear Design ◽  
Gear Cutting

Simulation based model for tool life prediction in bevel gear cutting

2012 ◽  
Vol 7 (2-3) ◽  
pp. 223-231 ◽  
Author(s):  
Christian Brecher ◽  
Fritz Klocke ◽  
Markus Brumm ◽  
Ario Hardjosuwito
Keyword(s):  
Tool Life ◽  
Life Prediction ◽  
Bevel Gear ◽  
Gear Cutting ◽  
Simulation Based

Research on Spiral Bevel Gear NC Machining Control Method

2014 ◽  
Vol 621 ◽  
pp. 549-557
Author(s):  
Kai Liu ◽  
Bo Liang Xu ◽  
Fang Li ◽  
Yang Wei Wang
Keyword(s):  
Control Method ◽  
Gear Tooth ◽  
Nc Machining ◽  
Bevel Gear ◽  
Spiral Bevel Gear ◽  
Tooth Contact Analysis ◽  
Parametric Curve ◽  
Gear Cutting ◽  
Tooth Surfaces ◽  
Spiral Bevel

Based on spiral bevel gear NC manufacture principle and generating motion of the generating gear and the work gear, the NC generation of spiral bevel gear cutting is realized by means of the vector transformation. As sophisticated calculation of the transformation is hard to implement in each interpolation cycle of NC machining, the coordinated motion of NC coordinate axes is expressed as quintic parametric spline functions, which use the rotation angle of the work gear as the parameter. The constrained optimization method of three design variables is established to obtain contacting points of gear tooth surfaces, which are acquired by solving nonlinear equations sets traditionally. The condition of normal coincidence is simplified and the object function of the equal position vectors of mating gears is established. The contacting points of gear tooth surfaces can be used for tooth contact analysis. The parametric curve interpolator is combined with spiral bevel gear NC machining, and is applied to the self-developed spiral bevel gear NC milling machine to control the gear cutting. Experimental results show that the proposed method is feasible and effective in the control of NC machining for the spiral bevel gear.

A Study on the Tooth Geometry and Cutting Machine Mechanisms of Spiral Bevel Gears

1991 ◽  
Vol 113 (3) ◽  
pp. 346-351 ◽  
Author(s):  
Z. H. Fong ◽  
Bill Chung-Biau Tsay
Keyword(s):  
Mathematical Model ◽  
Bevel Gear ◽  
Spiral Bevel Gear ◽  
Helical Motion ◽  
Spiral Bevel Gears ◽  
Bevel Gears ◽  
Gear Cutting ◽  
Cutting Machine ◽  
The Matrix ◽  
Spiral Bevel

The tooth geometry and cutting machine mechanisms of spiral bevel gears are investigated. Based on the kinematics of titled head cutter, machine cradle, sliding base and work head, the matrix presentation of spiral bevel gear’s tooth geometry are developed. The relations between the parameters of the proposed mathematical model and the machine settings of existing spiral bevel gear cutting machines are also investigated. The tilt of head cutter axis, motion of generation, helical motion of sliding base, and nongenerating cutting of spiral bevel gears are taken into consideration. An example is given to illustrate the application of the proposed mathematical model.

scholarly journals A simple method of bevel gear cutting (2nd report, Crowning method)

1986 ◽  
Vol 52 (480) ◽  
pp. 2156-2159
Author(s):  
Shigeyuki SHIMACHI ◽  
Takao SAKAI ◽  
Ryo NAGASE
Keyword(s):  
Bevel Gear ◽  
Simple Method ◽  
Gear Cutting

Study and Design of Lawn Brush Cutter

2014 ◽  
Vol 971-973 ◽  
pp. 736-739
Author(s):  
Qiu Lei Du ◽  
Xiao Wei Jiang ◽  
Li Ai Pan
Keyword(s):  
Safety Factor ◽  
Environmentally Friendly ◽  
Low Noise ◽  
Bevel Gear ◽  
Spiral Bevel Gear ◽  
Gear Cutting ◽  
Cutting Machine ◽  
Reliable Performance ◽  
Machine Parts ◽  
Design Mechanism

Based on the survey of existing brush cutter and the analysis of the known conditions, this paper mainly studied design mechanism and principle of brush cutter, and carried on calculation and calibration of spiral bevel gear cutting machine parts, so as to ensure that the design of brush cutter is safe, efficient, simple, comfortable and environmentally friendly. Product after research is of reliable performance, convenient operation, low noise and zero smoke and higher safety factor, making it get more extensive application in the industry.

Virtual Machining of Spiral Bevel Gear Based on VERICUT

2011 ◽  
Vol 199-200 ◽  
pp. 1885-1889
Author(s):  
Yong Wang ◽  
Lin Zhao ◽  
Jin Bao Kou
Keyword(s):  
Transformation Method ◽  
Bevel Gear ◽  
Spiral Bevel Gear ◽  
Machine Model ◽  
Gear Cutting ◽  
Machining System ◽  
Spiral Bevel ◽  
Set Up ◽  
Spatial Kinematics ◽  
Five Axis

Spiral bevel gear milling machine is one typical representative of complex manufacturing equipments. In order to simulate spiral bevel gear cutting, a five-axis virtual CNC gear cutting machine under VERICUT software is established in this paper. Based on a spiral bevel gear generating theory, the surface forming of the spiral bevel gear is studied by using coordinate transformation method in spatial kinematics, and the G-code required by actual gear cutting is generated. Then, according to the properties of the general five-axis CNC system, the machine model and the relevant configuration parameters under VERICUT is created, so the spiral bevel gear virtual NC machining system is set up. Finally, the cutting simulation and crash examination are accomplished under VERICUT. By using this method, the accuracy of the bevel gear cutting system based on a general five-axis CNC can be well verified.

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