Machine Design HES3350 Lecture 2 – Gears Semester 1‚ 2013 1 Learning Objectives • • • • • Familiar with gear nomenclature Able to select a suitable gear type for different applications Able to determine gear train ratios Determine the AGMA bending and contact stress Able to select appropriate gears from supplier’s catalogue 2 Outline • • • • • • • Introduction Gear Nomenclature Gear Ratios Gear Forces Lewis’s Equation AGMA Bending Stress AGMA Contact Stress 3 Introduction
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Topic Outline 1. Introduction (Gear terminologies‚ definitions and identifying the parts) (Identifying the types of gears) (Gear applications or uses) 2. Body (History of gears) (Gear calculations or formula) (Materials for manufacturing gears) 3. Conclusion (Advantages of gears in the industry) (Advantages of gears compare to other drive mechanism) 4. References 5. Thesis Statement: Gears are important in the mechanical fields and industries
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Mayuram Module 2- GEARS Lecture – 11 HELICAL GEARS Contents 11.1 Helical gears – an introduction 11.2 Helical gears – Kinematics 11.3 Helical gears – geometry and nomenclature 11.4 Helical gears – force analysis 11.5 Helical gears – bending stress 11.6 Helical gears – contact stress 11.7 Crossed helical gears 11.7.1 Tips for crossed helical gear design 11.1 HELICAL GEARS – an introduction In spur gears Fig.11.1 dealt earlier‚ the teeth are parallel to the axis whereas in helical gears Fig.11.2 the teeth
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TUTORIAL – GEAR SYSTEMS This work covers elements of the syllabus for the Edexcel module 21722P HNC/D Mechanical Principles OUTCOME 3. On completion of this short tutorial you should be able to do the following. • Describe the different types of gear systems. • Describe a simple gear train. • Describe a compound gear rain. • Describe three types of epicyclic gear boxes • Solve gear box ratios. • Calculate the input and outputs speeds and torques of gear boxes.
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The Marine Corps has adopted a system of serializing gear in order to keep records of where it’s gear is issued. The units and individual Marines to whom this gear is issued are held accountable for maintaining them. Losing a piece of gear could have repercussions ranging from payment for lost property to legal action. In addition to these are other consequences. There is a quote by Benjamin Franklin that reads‚ ‘time is money.’ In the armed services‚ a loss of time could mean a loss of life
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Gears of War is a military science fiction third-person shooter video game developed by Epic Games and published by Microsoft Studios. It was initially released as an exclusive title for the Xbox 360 in November 2006 in North America‚ Australia‚ and most of Europe. A Microsoft Windows version of the game was developed in conjunction with People Can Fly and released a year later‚ featuring new content including additional campaign levels‚ a new multiplayer game mode‚ and Games for Windows - Live functionality
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Nine NOlES & REFERENCES Module 234-9 THE TURNING GEAR OBJECTIVES: After completing this module you will be able. to: 9.1 a) For each of the turbine operating states listed below‚ state the purpose(s) of the turning gear operation: i) ¢:>Page 2 ii) b) During turbine stanup (2); While shutting down the turbine (I). ¢:>Page 4 For each of the operating states listed in point (a)‚ describe turning gear operation‚ addressing the following points: i) 3 (startup)
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http://njit.experience.com/er/stu/profile/career_prefs.jsp Three Principle Gears mentioned in this paper: To solve the problems or the issues that the companies are facing the author has suggested these three principle gears that were designed to help the companies to overcome the communication gap with the help of business strategy and technology. Gear One- Long Term IT Plan: This gear focuses mainly on the IT technology‚ objectives and goals. Successful business planning requires concentrated
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The Spur Gear Prepared by: Henry L. Paz Objectives: • • • • To describe the spur gear; To identify the spur gear parts; To draw spur gear; To follow faithfully the steps in drawing a spur gear. Gear up and get ready to learn! Let me ask you. • What is a gear? Gear is… • Toothed wheel used to transmit power and rotating motion from one machine part to another. Gear is… • The simplest form of toothed wheel used in machinery with radial teeth parallel to the axis. Types
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Machine Dynamics 2 Lab Sheet: Epicyclic Gear System Name: ..…………………………………………………….……………….. Student ID: ……………………………………...…………………………. Group Number: ..……………………….…………………………………. Date performed experiment: …………...………………………………. Lab supervisor: …………………………………………………………… DESCRIPTION (Note: You should do your own reading before attending the laboratory class) This trainer is designed for the students to study the principles and operation of an epicyclic gear system. It can be used to determine the
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