AGMA 935-A05-2005 Recommendations Relative to the Evaluation of Radial Composite Gear Double Flank Testers《径向组合齿轮双啮检测装置评估的相关建议》.pdf
《AGMA 935-A05-2005 Recommendations Relative to the Evaluation of Radial Composite Gear Double Flank Testers《径向组合齿轮双啮检测装置评估的相关建议》.pdf》由会员分享,可在线阅读,更多相关《AGMA 935-A05-2005 Recommendations Relative to the Evaluation of Radial Composite Gear Double Flank Testers《径向组合齿轮双啮检测装置评估的相关建议》.pdf(18页珍藏版)》请在麦多课文档分享上搜索。
1、AGMA INFORMATION SHEET(This Information Sheet is NOT an AGMA Standard)AGMA935-A05AGMA 935-A05AMERICAN GEAR MANUFACTURERS ASSOCIATIONRecommendations Relative to theEvaluation of Radial Composite GearDouble Flank TestersiiRecommendations Relative to the Evaluation of Radial Composite GearDouble Flank
2、TestersAGMA 935-A05CAUTION NOTICE: AGMA technical publications are subject to constant improvement,revision, or withdrawal as dictated by experience. Any person who refers to any AGMAtechnical publication should be sure that the publication is the latest available from theAssociation on the subject
3、matter.Tables or other self-supporting sections may be referenced. Citations should read: SeeAGMA 935-A05, Recommendations Relative to the Evaluation of Radial Composite GearDouble Flank Testers, published by the American Gear Manufacturers Association, 500Montgomery Street, Suite 350, Alexandria, V
4、irginia 22314, http:/www.agma.org.Approved October 16, 2005ABSTRACTThe condition and alignment of gear measuring instruments can greatly influence the measurement of productgears. This information sheet provides guidelines for the alignment of double flank tester elements such ascenters, ways, probe
5、 systems, etc. It also covers the application of artifacts to determine instrument accuracy.Published byAmerican Gear Manufacturers Association500 Montgomery Street, Suite 350, Alexandria, Virginia 22314Copyright 2005 by American Gear Manufacturers AssociationAll rights reserved.No part of this publ
6、ication may be reproduced in any form, in an electronicretrieval system or otherwise, without prior written permission of the publisher.Printed in the United States of AmericaISBN: 1-55589-872-6AmericanNationalStandardAGMA 935-A05AMERICAN GEAR MANUFACTURERS ASSOCIATIONiii AGMA 2005 - All rights rese
7、rvedContentsForeword iv.1 Scope 1.2 References 13 Definition of terms 14 Instrument environment 25 Measurement system condition 3.6Artifacts 7.7 Statistical process control 10.8 Instrument fitness for use 10.9 Measurement process (instrument correlation) 10.Bibliography 11.Figures1 Cross-axis alignm
8、ent of test arbors 3.2 Parallel alignment of test arbors 4.3 Lost motion diagram 44 Apparent size changes as a function of load change 5.5 Relation between the zeroing setup and the part setup 5.6 Testing frequency response at two speeds 6.7 Eccentric discs 7.8 Concentric disc with flats 9.Tables1 S
9、ymbols 1.AGMA 935-A05 AMERICAN GEAR MANUFACTURERS ASSOCIATIONiv AGMA 2005 - All rights reservedForewordThe foreword, footnotes and annexes, if any, in this document are provided forinformational purposes only and are not to be construed as a part of AGMA 935-A05,Recommendations Relative to the Evalu
10、ation of Radial Composite Gear Double FlankTesters.Between 1994 and 1998, AGMA published three standards on calibration of gearmeasuring instruments: ANSI/AGMA 2010-A94, Measuring Instrument Calibration Part I,Involute Measurement, ANSI/AGMA 2113-A97, Measuring Instrument Calibration, GearTooth Alig
11、nment Measurement, and ANSI/AGMA 2114-A98, Measuring InstrumentCalibration, Gear Pitch and Runout Measurements. These standards covered elementalmeasurements specified in the accuracy requirements of ANSI/AGMA 2015-1-A01,Accuracy Classification System - Tangential Measurements for Cylindrical Gears.
12、TheCalibration Committee decided that supplemental information, on measurement systemconditions for calibration, accuracy requirements and uncertainty determination, wasdesirable to have in an Information Sheet, AGMA 931-A02, Calibration of Gear MeasuringInstruments and Their Application to the Insp
13、ection of Product Gears that was published in2002.The material in these AGMA documents were combined and submitted to ISO for thedevelopment of ISO 18653:2003, Gears - Evaluation of instruments for the measurementof gears, and ISO/TR 10064-5:2005, Cylindrical gears - Code of inspection practice - Pa
14、rt5: Recommendations relative to evaluation of gear measuring instruments.The Calibration Committee decided that the similar standardization and information wasneeded for the evaluation methods of double flank testers used for (radial) compositemeasurement of gears. After a study of existing practic
15、es, standards, and literature theinformation contained herein is a consolidation of the most common practices currently inexistence.The first draft of AGMA 935-A05 was made in August, 2003. It was approved by the AGMATechnical Division Executive Committee in October, 2005.Suggestions for improvement
16、 of this information sheet will be welcome. They should besent to the American Gear Manufacturers Association, 500 Montgomery Street, Suite 350,Alexandria, Virginia 22314.AGMA 935-A05AMERICAN GEAR MANUFACTURERS ASSOCIATIONv AGMA 2005 - All rights reservedPERSONNEL of the AGMA Calibration CommitteeCh
17、airman: Robert E. Smith R.E. Smith - flow rate, distribution and velocity of the cooling(heating) medium;- frequency and amplitude of temperature varia-tions of the cooling (heating) medium;- temperature gradients within the cooling (heat-ing) medium;- vibrations;- electrical power supply quality.4.
18、1.2 Practical guidelinesThe following are practical guidelines for gearmeasurement. However, compliance with theseguidelines does not guarantee measurements to aspecific accuracy.- Artifact temperature. Tooling and artifacts shouldbe left for an adequate period to stabilize to ambi-ent temperature.
19、Artifact temperature ideallyshould be the temperature at which it was cali-brated.- Temperature variation. The instrument manufac-turers temperature variation guidelines for thedesired accuracy should be consulted. If this in-formation is not available, a default mean tem-perature should not change
20、more than 1C perhour, with a maximum change of 3.5 degrees perday.- Temperature cycles. The temperature may cycle+or-2C , centered on the mean temperature,every 5 minutes or faster. The thermal inertia ofmost mechanical systems will allow for rapid cy-clic temperature undulations within these guide-
21、lines for the stated accuracy.If the temperature cycles approach 15 minutes,serious effects on the measuring system areusually noted.Many people use an air conditioner in an attemptto achieve thermal control. The temperaturesensors in these units may be very slow torespond to temperature changes. If
22、 the re-sponse is slower than 5 minutes, serious effectson measurement accuracy may be noted.- Temperature gradient. The temperature shouldbe within 0.5C over the entire area of the instru-ment surface. The best way to do this is with ahigh air flow. Air flow must be uniform throughoutthe room to pr
23、event dead spots and prevent gra-dients. To accomplish this, diffuse the air comingin to the room and if possible design multiple airreturns to further diffuse the air uniformly in theroom. The goal is to have all air moving uniformlyin the room and at the same temperature. Mov-ing air must remove h
24、eat from electronic controls,computers, motors, hydraulics, people, lights,etc., to prevent gradients.- Vibrations. Vibrations caused by instrumentmovements should not be allowed to interferewith measurements.Also, vibrations from the surrounding environ-ment should be observed or measured. If theya
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