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Author : Harold Frint
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.F/5 ( download)
Download or read book Automated Inspection and Precision Grinding of Spiral Bevel Gears written by Harold Frint and published by . This book was released on 1987 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Harold Frint
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.:/5 (317 download)
Download or read book Automated Inspection and Precision Grinding of Spiral Bevel Gears written by Harold Frint and published by . This book was released on 1987 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722374976
Total Pages : 58 pages
Book Rating : 4.3/5 (749 download)
Download or read book Enhanced Automated Spiral Bevel Gear Inspection written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-06 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented here are the results of a manufacturing and technology program to define, develop, and evaluate an enhanced inspection system for spiral bevel gears. The method uses a multi-axis coordinate measuring machine which maps the working surface of the tooth and compares it with nominal reference values stored in the machine's computer. The enhanced technique features a means for automatically calculating corrective grinding machine settings, involving both first and second order changes, to control the tooth profile to within specified tolerance limits. This enhanced method eliminates the subjective decision making involved in the tooth patterning method, still in use today, which compares contract patterns obtained when the gear is set to run under light load in a rolling test machine. It produces a higher quality gear with significant inspection time and cost savings. Frint, Harold K. and Glasow, Warren Unspecified Center...
Download or read book Robert André written by and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (227 download)
Download or read book Recent Manufacturing Advances for Spiral Bevel Gears written by and published by . This book was released on 1991 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document reports on recently sponsored projects to advance the manufacturing process for spiral bevel gears. This type of gear is critical component in rotary-wing propulsion systems. Two successfully completed contracted projects are described. The first project addresses the automated inspection of spiral bevel gears through the use of coordinate measuring machines. The second project entails the computer-numerical-control (CNC) conversion of a spiral bevel gear grinding machine that is used for all aerospace spiral bevel gears. The results of these projects are described with regard to the savings effected in manufacturing time.
Author :
Publisher :
ISBN 13 :
Total Pages : 312 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (317 download)
Download or read book Testing of Face-Milled Spiral Bevel Gears at High-Speed and Load written by and published by . This book was released on 2001 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spiral bevel gears are an important drive system components of rotorcraft (helicopters) currently in use. In this application the spiral bevel gears are required to transmit very high torque at high rotational speed. Available experimental data on the operational characteristics for thermal and structural behavior is relatively small in comparison to that found for parallel axis gears. An ongoing test program has been in place at NASA Glenn Research Center over the last ten years to investigate their operational behavior at operating conditions found in aerospace applications. This paper will summarize the results of the tests conducted on face-milled spiral bevel gears. The data from the pinion member (temperature and stress) were taken at conditions from slow-roll to 14400 rpm and up to 537 kW (720 hp). The results have shown that operating temperature is affected by the location of the lubricating jet with respect to the point it is injected and the operating conditions that are imposed. Also the stress measured from slow-roll to very high rotational speed, at various torque levels, indicated little dynamic affect over the rotational speeds tested.
Author :
Publisher :
ISBN 13 :
Total Pages : 1282 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA Tech Briefs written by and published by . This book was released on 1989 with total page 1282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Paper written by and published by . This book was released on 1991 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (317 download)
Download or read book Experimental Comparison of Face-Milled and Face-Hobbed Spiral Bevel Gears written by and published by . This book was released on 2001 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental comparison of face-milled and face-hobbed spiral bevel gears was accomplished. The two differently manufactured spiral bevel gear types were tested in a closed-loop facility at NASA Glenn Research Center. Strain, vibration, and noise testing were completed at various levels of rotational speed and load. Tests were conducted from static (slow-roll) to 12600 rpm and up to 269 N.m (2380 in.lb) pinion speed and load conditions. The tests indicated that the maximum stress recorded at the root locations had nearly the same values, however the stress distribution was different from the toe to the heel. Also. the alternating stress measured was higher for the face-milled pinion than that attained for the face-bobbed pinion (larger minimum stress). The noise and vibration results indicated that the levels measured for the face-bobbed components were less than those attained for the face-milled gears tested.
Author : United States. National Aeronautics and Space Administration
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.3/5 (91 download)
Download or read book NASA Technical Paper written by United States. National Aeronautics and Space Administration and published by . This book was released on 1991 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1200 pages
Book Rating : 4.:/5 (891 download)
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on with total page 1200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert F. Handschuh
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (317 download)
Download or read book A Method for Determining Spiral-bevel Gear Tooth Geometry for Finite Element Analysis written by Robert F. Handschuh and published by . This book was released on 1991 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1690 pages
Book Rating : 4.:/5 (31 download)
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1991 with total page 1690 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 544 pages
Book Rating : 4.E/5 ( download)
Download or read book Technical Reports Awareness Circular : TRAC. written by and published by . This book was released on 1987-10 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : https://www.chinesestandard.net
Publisher : https://www.chinesestandard.net
ISBN 13 :
Total Pages : 677 pages
Book Rating : 4./5 ( download)
Download or read book JB; JB/T; JBT - Product Catalog. Translated English of Chinese Standard. (JB; JB/T; JBT) written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-01-01 with total page 677 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document provides the comprehensive list of Chinese Industry Standards - Category: JB; JB/T; JBT.
Author : Raymond J. Drago
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (227 download)
Download or read book Engineering Services to Conduct Qualification Testing of Precision Forged Spiral Bevel Gears written by Raymond J. Drago and published by . This book was released on 1977 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the results of a program to evaluate the relative surface-load capacity of CH-47C transmission spiral bevel gears manufactured by the integrally forged method (forged and ground) as compared to conventional current production gears (cut and ground). A three-phase test program was conducted. Phase I included the deflection test of one set of conventional baseline gears and rotating-load tests of two sets each of the integrally forged and conventional baseline gears. All gears were run at torque levels equivalent to 50,100, and 150 percent of the CH-47C single-engine rating. Phase II included rotating-load tests of two additional conventional basedline and five additional integrally forged gear sets in the Boeing Vertol test stand at loads of 100 to 130 percent of single-engine rating for 340 hours. Phase III involved extended surface-fatigue testing of four precision integrally forged gear sets in the test stand at 100 percent of single-engine rating for 800 hours. The results of this testing indicate that the surface-load capacity of the integrally forged gear sets is at least equivalent to that of the conventional baseline gears. (Author).
