Design of power-transmitting shafts by Stuart H. Loewenthal

Cover of: Design of power-transmitting shafts | Stuart H. Loewenthal

Published by National Aeronautics and Space Administration, Scientific and Technical Branch in [Washington, D.C.?] .

Written in English

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  • Shafting -- Design and construction.,
  • Power transmission.

Edition Notes

Book details

StatementStuart H. Loewenthal.
SeriesNASA reference publication -- 1123.
ContributionsUnited States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.
The Physical Object
Pagination1 v.
ID Numbers
Open LibraryOL18041170M

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Head shafts or stub shafts are shafts directly connected to the motor. Motion or power can be transmitted through an angle without gear trains, chains, or belts by using flexible shafting.

Such shafting is fabricated Design of power-transmitting shafts book building up on a single central wire one or more superimposed layers of coiled wire (ref. I).File Size: 1MB. Design of Power- Transmitting Shafts. Get this from a library. Design of power-transmitting shafts.

[Stuart H Loewenthal; United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.]. Specific attention is given to the arrangement of machine elements and features on a shaft, the connection of shafts, determining the deflection of shafts and critical speeds, as well as specifying shaft dimensions for strength and fluctuating load integrity.

An overall shaft Design of power-transmitting shafts book procedure is presented including consideration. all power transmitting mechanisms classified as universal joints - both the constant and nonconstant velocity types the most commonly used driveshaft arrangements applications requiring the transmission of power from the power.

Gear Design Seminar, University of Northern Iowa. High Tech Manufacturing--Challenges for the s (March/April ) This issue's editorial is a reprint of the keynote address given by Michael Goldstein at the Computer Aided Gear Design Seminar held at the University of Northern Iowa, Cedar Falls, IA on November 9, Preliminary Design Values for Kt • Considered here are the types of geometric discontinuities most often found in power-transmitting shafts: keyseats, shoulder fillets, and retaining ring grooves.

• In each case, a suggested design value is relatively high in order to produce a conservative result for the first approximation to the design. In the figure shown, shaft A, made of AISI hot-rolled steel, is welded to a fixed support and is subjected to loading by equal and opposite forces F via shaft B.

A theoretical stress-concentration factor K ts of is induced by the in fillet. The length of shaft A from the fixed support to the connection at shaft B is 2 ft. The load F cycles from to lbf. It is the standard design data book for designing any component like bearings,shafts,gears,etc.

Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Unconventional Design Approach for Shaft Design. Virendra V. Thombare, Santosh V. Bhaskar “Design of Power Transmitting Shafts”, NASA Reference PublicationJulypg.

[3] James G. Grounds, “An Empirical Design Procedure for Shafts with Fatigue Loadings”, DARCOM Intern Training Center,pg. [4]. Shaft keys are important machine components designed to transmit torque and rotative force.

There are several types of shaft keys, each with their own particular role and application. Here we look at the different types: Shaft Keys, Shaft Key Design, Rectangular keys, Square keys, Woodruff keys, GIB keys, Taper Keys.

NASA - Loewenthal - Design of Power Transmitting Shafts - Free download as PDF File .pdf), Text File .txt) or read online for free.

full set of preliminary stress concentration factors due to key seats for shaft design are presented [1, 2, 3]. The key is the simplest machinery component placed at the interface between a shaft and the hub of a power-transmitting element for the purpose of transmitting torque.

The most common type of keys is parallel keys. The subject Machine Design is the creation of new and better machines and improving the existing ones. A new or better machine is one which is more economical in the overall cost of production and operation. The process of design is a long and time consuming one.

From the study of existing ideas, a new idea has to be conceived. The idea is then studied keeping in. Full text of "Factors that affect the fatigue strength of power transmission shafting" See other formats N 29 NASA Technical Memorandum Factors That Affect the Fatigue Strength of Power Transmission Shafting and Their Impact on Design Stuart H.

Loewenthal Lewis Research Center Cleveland, Ohio Prepared for the Fourth International Power. There are multiple ways in which the problems may be assigned, as some deal with only torque levels and radial forces in the shaftdue to selected power-transmitting elements while others are comprehensive design problems for the shaft that carries several elements.

Two cases of failure in the power transmission system on vehicles: A universal joint yoke and a drive shaft Article (PDF Available) in Engineering Failure Analysis 14(4).

the critical speed and a maximum over the critical speed. As the consequence of the shape of the energy surface, the motion over critical speed is unstable and the speed of the shaft decreases to the critical value. Erik Swanson et al [5] gave a practical understanding of terminology and behavior based in.

12—4 Stress Concentrations in Shafts. 12—5 Design Stresses for Shafts. 12—6 Shafts in Bending and Torsion Only. 12—7 Shaft Design Examples–Bending and Torsion Only. 12—8 Shaft Design Example–Bending and Torsion with Axial Forces.

12—9 Spreadsheet Aid for Shaft Design. 12—10 Shaft Rigidity and Dynamic Considerations.

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