FundamentalConceptsforGears

Fundamentalconceptsforgears

Info iconThis 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: MECH323 – 2007 GEARS____________________________ Fundamental Concepts for Gears References: t Shigley’s Mechanical Engineering Design (8 h Ed. Budynas and Nisbett) [Chapters 13, 14 and 15] th Fundamentals o f Machine Co mponent Design (4 Ed. Juvinall and Marshek) [Chapters 16 and 16] Gear o Toot hed member t ransmit s rot ary mo t io n fro m o ne shaft to anot her o Mo st rugged and durable mechanical po wer t ransmissio n element o Co st increase w it h precisio n, usually mo re co st ly t han belt s and chains Spur Gear o S imp lest and mo st co mmo n t ype o f gear o Teet h are parallel t o axis o f rot at io n o Transmit t ing mo t io n/t o rque between t wo parallel shaft s o Hig h efficient Helical Gear o Teet h are inclined to t he rot at io n axis o Can t ransmit mo t io n/t orque between parallel and no n­parallel (cro ssed) shaft s o The same handed helical ang le fo r cro ssed arrangement , and o ppo sit e helical ang le fo r parallel arrangement o Gradual t eet h engagement reduces no ise a nd increases capabilit y o f lo ad carr ying o Inclined t eet h int ro duce t hrust lo ads and bend ing co uples o n t he shaft o Less efficient t han spur gear generally Bevel Gear o Teet h are fo rmed o n conical sur faces o Transmit s mo t io n/t o rque between int ersect ing shaft s o General t ypes: st raig ht , spiral, zero l, hypo id and sp iro id Worm and Worm Gear o S imilar t o cro ssed arranged helical gear set, but t he helical ang le ( lead ang le f...
View Full Document

This note was uploaded on 02/02/2010 for the course ME 3600 taught by Professor Kamman during the Fall '09 term at Western Michigan.

Ask a homework question - tutors are online