ImageVerifierCode 换一换
格式:PDF , 页数:21 ,大小:551.64KB ,
资源ID:174403      下载积分:11 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。 如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【https://www.wnwk.com/docdown/174403.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: QQ登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(ASTM_D_6121_-_15a.pdf)为本站会员(益****师)主动上传,蜗牛文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知蜗牛文库(发送邮件至admin@wnwk.com或直接QQ联系客服),我们立即给予删除!

ASTM_D_6121_-_15a.pdf

1、Designation:D612115aStandard Test Method forEvaluation of Load-Carrying Capacity of Lubricants UnderConditions of Low Speed and High Torque Used for FinalHypoid Drive Axles1This standard is issued under the fixed designation D6121;the number immediately following the designation indicates the year o

2、foriginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.INTRODUCTIONThis test method is written for use by laboratories that use the

3、 portions of the test method that refertoASTM Test Monitoring Center(TMC)services(see AnnexA1).Laboratories that choose not to usethe TMC services may simply disregard these portions.The TMC provides reference oils,and engineering and statistical services to laboratories that desireto produce test r

4、esults that are statistically similar to those produced by laboratories previouslycalibrated by the TMC.In general,the Test Purchaser decides if a calibrated test stand is to be used.Organizations such astheAmerican Chemistry Council require that a laboratory utilize the TMC services as part of thei

5、r testregistration process.In addition,the American Petroleum Institute and the Gear Lubricant ReviewCommittee of the Lubricant Review Institute(SAE International)require that a laboratory use theTMC services in seeking qualification of oils against their specifications.NOTE1The advantage of using t

6、he TMC services to calibrate test stands is that the test laboratory(and hence theTest Purchaser)has an assurance that the test stand was operating at the proper level of test severity.It should also beborne in mind that results obtained in a non calibrated test stand may not be the same as those ob

7、tained in a test standparticipating in the ASTM TMC services process.1.Scope*1.1 This test method is commonly referred to as the L-37test.2This test method covers a test procedure for evaluatingthe load-carrying,wear,and extreme pressure properties of agear lubricant in a hypoid axle under condition

8、s of low-speed,high-torque operation.1.2 This test method also provides for the running of the lowaxle temperature(Canadian)L-37 test.The procedure for thelow axle temperature(Canadian)L-37 test is identical to thestandard L-37 test with the exceptions of the items specificallylisted in Annex A9.The

9、 procedure modifications listed inAnnex A9 refer to the corresponding section of the standardL-37 test method.1.3 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are

10、not considered standard.1.3.1 ExceptionsIn Table A12.1,the values stated in SIunits are to be regarded as standard.Also,no SI unit isprovided where there is not a direct SI equivalent.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresp

11、onsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.Specific warninginformation is given in Sections 4 and 7.1This test method is under the jurisdiction of ASTM Committee D02 onPetroleum

12、 Products,Liquid Fuels,and Lubricants and is the direct responsibility ofSubcommittee D02.B0.03 on Automotive Gear Lubricants&Fluids.Current edition approved Oct.1,2015.Published October 2015.Originallyapproved in 1997.Last previous edition approved in 2015 as D6121 15.DOI:10.1520/D6121-15A.2Until t

13、he next revision of this test method,the ASTM Test Monitoring Center(TMC)will update changes in this test method by means of Information Letters.This edition includes all Information Letters through No.151.Information Lettersmay be obtained from the ASTM Test Monitoring Center,6555 Penn Ave,Pittsbur

14、gh,PA 15206,Attn:Administrator.The TMC is also the source of referenceoils.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 2.Referenced Documents2.1 ASTM Standards:3D235 Spe

15、cification for Mineral Spirits(Petroleum Spirits)(Hydrocarbon Dry Cleaning Solvent)E29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications2.2 Military Specification:4MIL-PRF-2105E Lubricating Oil,Gear,Multipurpose2.3 AGMA National Standard:5Nomenclature of

16、Gear Tooth Failure Modes2.4 SAE Standard:6SAE J308 Information Report on Axle and Manual Trans-mission LubricantsSAE J2360 Lubricating Oil,Gear Multipurpose(Metric)Military Use3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 abrasive wear,non ring and pinion gears,removalof material from the operating surface of the gear caused bylapping of mating surfaces by fine particles suspended inlubricant,fuel,or air or imbedded in a surface.ASTM Distress Rating Manual No.2173.1.2 adh

copyright@ 2008-2023 wnwk.com网站版权所有

经营许可证编号:浙ICP备2024059924号-2