FundamentalConceptsforGears

Fullloadappliedtothetipofasingletooth 2 radialco

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: k, but tends to push gears apart. tan f n The components are related by: W r = W t × tan f , W a = W t × tany , (Note: tan f = ) t t cosy Where f , f ,y are pressure angle in rotation direct ion, pressure angle in normal direct ion and t n helix angle. The total acting force between the mating gears is W = (W t ) 2 + (W r ) 2 + (W a ) 2 The transmitted power is similar to Spur gears’ given above. Bevel Gears (straight bevel gears): the commo n practice is to use the tangent ial or transmitted load that would occur if all the forces were concentrated at the midpo int of the tooth. While the actua l resultant occurs somewhere between the midpoint and the large end of the tooth, there is only a sma ll error in making this assumpt ion. 7 MECH323 – 2007 GEARS____________________________ (a). W t tangential co mponent W t × V power transmitted V pitch line velocit y at midpoint of teeth V = pd avg n / 60000 [m/s], where davg, pitch diameter at midpoint of teeth, in mm, n, rev/min o r V = pd avg n / 12 [ft/min], where davg pitch diameter at midpoint of teeth, in inch, n, in rev/min (b). r , W a are...
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern