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 • Defined as toothed members transmitting rotary motion from one shaft to another. • Most rugged and
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7: Deflection of beams (Effect of beam length and width) 1. OBJECTIVE The objective of this laboratory experiment is to find the relationship between the deflection (y) at the centre of a simply supported beam and the span‚ width. 2. MATERIALS - APPARATUS Steel Beams‚ Deflection measuring device‚ 500g weight 3. INTRODUCTORY INFORMATION The deflection of a beam‚ y‚ will depend on many factors such as: - The applied load F (F=m•g). The span L. The width of the beam b‚ and its thickness
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Procedure 4 3.0 Results and Calculations 5 3.1 Tables 5 3.2 Graphs 7-9 3.3 Discussion 9 4.0 Conclusion and Recommendations 10 Abstract This experiment is conducted to measure the transverse bending deflection of the tie bar and at the same time comparing it to the theoretical values. The two theoretical formulae to get the central deflection in this experiment are simple theory method and exact formula. By comparing these formulas to the experimental
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radial direction away from the body central axis. The protruding flange is cantilevered in the radial direction. That is‚ it hangs out in the radial direction. Also‚ along with being cantilevered in the radial direction‚ the flange protrudes or cantilevers in the circumferential direction. That is‚ the flange is not continuously connected to the body in a direction along the circumference of the body. This double direction cantilevering‚ in both the radial and the circumferential
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1. INTRODUCTION Nanotechnology is a field whose theme is the control of matter on an atomic and molecular scale‚ nanotechnology deals with structures of the size 100 nanometers or smaller. Nanotechnology is extremely diverse ranging from novel extensions of conventional device physics. Nanogenerator is a prototype nanometer-scale generator that produces continuous direct-current electricity by harvesting mechanical energy from such environmental sources as ultrasonic waves‚ mechanical
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A–25 A–26 Standard SI Prefixes 961 Conversion Factors 962 Appendix A Optional SI Units for Bending‚ Torsion‚ Axial‚ and Direct Shear Stresses 963 Optional SI Units for Bending and Torsional Deflections 963 Physical Constants of Materials 963 Properties of Structural-Steel Angles 964 Properties of Structural-Steel Channels 966 Properties of Round Tubing 968 Shear‚ Moment‚ and Deflection of Beams 969 Cumulative Distribution Function of Normal (Gaussian) Distribution 977 A Selection of International
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SAFE DESIGN OF SLABS‚ BEAMS AND FOUNDATIONIS REINFORCED AND POST-TENSIONED CONCRETE Reinforced Concrete Design Manual ISO SAF120108M4-Rev2 Berkeley‚ California‚ USA Version 12 December 2010 Copyright Copyright Computers & Structures‚ Inc.‚ 1978-2010 All rights reserved. The CSI Logo® is a registered trademark of Computers & Structures‚ Inc. SAFE and TM Watch & Learn are trademarks of Computers & Structures‚ Inc. Adobe and Acrobat are registered trademarks of Adobe Systems
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approximate method based on the continuum approach and transfer matrix method for static and dynamic analyses of symmetric wall-frame buildings is presented. The whole structure is idealized as a sandwich beam in this method. Initially the differential equation of this equivalent sandwich beam is written; shape functions for each storey can then be obtained by the solution of differential equations. By using boundary conditions and storey transfer matrices obtained from these shape functions‚ system
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zero. If the deformed material is taken and external load is applied to it increasing from zero magnitude‚ the same effect happens. Bending There is also the concept of bending which is inevitable in the portal frame‚ (due to a downward load acting against upward reactions.) For any section in the structure‚ there will be compression at the ’head’ of the bending moment arrow and tension at the tail of the arrow. The top horizontal part of the portal frame will be sagging due to the downward
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HAZARDS………………………………………………………………………………………..9 DRAWING.......................................................................................................................................10 INTRODUCTION This is a completed project on scaffolding it entails safety precautions‚ how to assemble and disassemble scaffolds‚ it also has advantages of using scaffolds over other types of equipment and has a drawn scaffold. SAFETY INSTRUCTIONS • Ensure that there is no building refuse falling or collecting on the Scaffold
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