Fig. 1 Involute Helicon gearing More about this image found in Involute Helicon gearing

Fig. 2 Two principal directions ( α → 1 and α → 2 ) and two perpendicular directions to each other ( α → ξ and α → η ) More about this image found in Two principal directions ( α → 1 and α → 2 ...

Fig. 3 Involute helicoid diagram More about this image found in Involute helicoid diagram

Fig. 4 Relative kinematical coordinate frame More about this image found in Relative kinematical coordinate frame

Fig. 5 Two principal directions of the worm helicoid ( ( g → 1 ) o 1 and ( g → 2 ) o 1 ) and two principal directions of the worm gear tooth surface ( α → 1 and α → 2 ) More about this image found in Two principal directions of the worm helicoid ( ( g → 1 ...

Fig. 6 Worm axial-section coordinate frame More about this image found in Worm axial-section coordinate frame

Fig. 7 ( a ) Worm gear axial-section coordinate frame, ( b ) worm gear rough blank size More about this image found in ( a ) Worm gear axial-section coordinate frame, ( b ) worm gear rough blank...

Fig. 8 ( a ) Conjugate zone on the worm helicoid (e-flank), ( b ) conjugate zone on the worm gear tooth surface (concave surface). More about this image found in ( a ) Conjugate zone on the worm helicoid (e-flank), ( b ) conjugate zone o...

Fig. 9 ( a ) Conjugate zone on the worm helicoid (i-flank), ( b ) conjugate zone on the worm gear tooth surface (convex surface) More about this image found in ( a ) Conjugate zone on the worm helicoid (i-flank), ( b ) conjugate zone o...

Fig. 10 Curves of f D e ( e ) ( u , θ ) and g D e ( e ) ( u , θ ) on the e-flank More about this image found in Curves of f D e ( e ) ( u , θ ) and g D e...

Fig. 11 Curves of f 3 c ( e ) ( u , θ ) and g 3 c ( e ) ( u , θ ) More about this image found in Curves of f 3 c ( e ) ( u , θ ) and g 3 c ...

Fig. 12 Images of X ( θ ) for the e-flank (value ranges of θ on contacting curves are listed in Table 4 ) More about this image found in Images of X ( θ ) for the e-flank (value ranges of θ on cont...

Fig. 13 Images of X ( θ ) for the i-flank (value ranges of θ on contacting curves are listed in Table 4 ) More about this image found in Images of X ( θ ) for the i-flank (value ranges of θ on cont...

Fig. 14 ( a ) Lengths of transient contacting curves for the e-flank. ( b ) Lengths of transient contacting curves for the i-flank (dot indicates that the curve lengths are computed by numerical integration method in Eq. (64) , triangle indicates that the curve lengths are computed by approximate... More about this image found in ( a ) Lengths of transient contacting curves for the e-flank. ( b ) Lengths...

Fig. 15 Nephogram of radii of ( a ) first principal curvatures of worm gear tooth surface (concave surface), and ( b ) second principal curvatures of worm gear tooth surface (concave surface) More about this image found in Nephogram of radii of ( a ) first principal curvatures of worm gear tooth s...

Fig. 16 Nephogram of radii of ( a ) first principal curvatures of worm gear tooth surface (convex surface), and ( b ) second principal curvatures of worm gear tooth surface (convex surface) More about this image found in Nephogram of radii of ( a ) first principal curvatures of worm gear tooth s...