1. Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Gear Flank Modification Using a Variable Lead Grinding Worm Method on a Computer Numerical Control Gear Grinding Machine J. Mech. Des. 2016;138(8):083302-083302-10. doi:10.1115/1.4033919 Definition of axes on a gear grinding machine [20] Figure Legend:

2. Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Gear Flank Modification Using a Variable Lead Grinding Worm Method on a Computer Numerical Control Gear Grinding Machine J. Mech. Des. 2016;138(8):083302-083302-10. doi:10.1115/1.4033919 Coordinate system of the schematic generation mechanism for grinding worm dressing Figure Legend:

3. Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Gear Flank Modification Using a Variable Lead Grinding Worm Method on a Computer Numerical Control Gear Grinding Machine J. Mech. Des. 2016;138(8):083302-083302-10. doi:10.1115/1.4033919 EGB of a CNC gear grinding machine [8] Figure Legend:

4. Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Gear Flank Modification Using a Variable Lead Grinding Worm Method on a Computer Numerical Control Gear Grinding Machine J. Mech. Des. 2016;138(8):083302-083302-10. doi:10.1115/1.4033919 Coordinate system of the schematic generation mechanism for gear grinding Figure Legend:

5. Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Gear Flank Modification Using a Variable Lead Grinding Worm Method on a Computer Numerical Control Gear Grinding Machine J. Mech. Des. 2016;138(8):083302-083302-10. doi:10.1115/1.4033919 Normal deviation topography for the tooth surface of work gear: (a) digitized as a grid mesh on work gear tooth surface and (b) normal deviation topography for work gear Figure Legend:

6. Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Gear Flank Modification Using a Variable Lead Grinding Worm Method on a Computer Numerical Control Gear Grinding Machine J. Mech. Des. 2016;138(8):083302-083302-10. doi:10.1115/1.4033919 Tooth flank sensitivity topographies for small changes in the design variables, δ=−0.01 Figure Legend:

7. Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Gear Flank Modification Using a Variable Lead Grinding Worm Method on a Computer Numerical Control Gear Grinding Machine J. Mech. Des. 2016;138(8):083302-083302-10. doi:10.1115/1.4033919 Tooth surface deviation topography modified by second-order radial feed, example 1 Figure Legend:

8. Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Gear Flank Modification Using a Variable Lead Grinding Worm Method on a Computer Numerical Control Gear Grinding Machine J. Mech. Des. 2016;138(8):083302-083302-10. doi:10.1115/1.4033919 Tooth surface deviation topography modified by second-order radial feed, example 1 Figure Legend:

9. Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Gear Flank Modification Using a Variable Lead Grinding Worm Method on a Computer Numerical Control Gear Grinding Machine J. Mech. Des. 2016;138(8):083302-083302-10. doi:10.1115/1.4033919 Tooth contact analysis for example 1; gear 1 is modified by the radial feed method, and gear 2 is a standard involute gear Figure Legend:

10. Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Gear Flank Modification Using a Variable Lead Grinding Worm Method on a Computer Numerical Control Gear Grinding Machine J. Mech. Des. 2016;138(8):083302-083302-10. doi:10.1115/1.4033919 Tooth surface deviation topography modified by VLGW, example 2 Figure Legend:

11. Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Gear Flank Modification Using a Variable Lead Grinding Worm Method on a Computer Numerical Control Gear Grinding Machine J. Mech. Des. 2016;138(8):083302-083302-10. doi:10.1115/1.4033919 Tooth contact analysis for example 2; gear 1 is modified by the VLGW method, and gear 2 is a standard involute gear Figure Legend:

12. Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Gear Flank Modification Using a Variable Lead Grinding Worm Method on a Computer Numerical Control Gear Grinding Machine J. Mech. Des. 2016;138(8):083302-083302-10. doi:10.1115/1.4033919 Target tooth surface modification topology, example 3 Figure Legend:

13. Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Gear Flank Modification Using a Variable Lead Grinding Worm Method on a Computer Numerical Control Gear Grinding Machine J. Mech. Des. 2016;138(8):083302-083302-10. doi:10.1115/1.4033919 Tooth surface deviation topography by VLGW, example3 Figure Legend:

14. Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Gear Flank Modification Using a Variable Lead Grinding Worm Method on a Computer Numerical Control Gear Grinding Machine J. Mech. Des. 2016;138(8):083302-083302-10. doi:10.1115/1.4033919 Tooth contact analysis for example 3; gear 1 is modified by the VLGW method with combined crowning, and gear 2 is a standard involute gear Figure Legend: