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SAE J19 Latex-Dipped Goods and Coatings for Automotive Applications

作者:标准资料网 时间:2024-05-16 14:01:05  浏览:8919   来源:标准资料网
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Product Code:SAE J19
Title:Latex-Dipped Goods and Coatings for Automotive Applications
Issuing Committee:Committee On Automotive Rubber Specs
Scope:These specifications cover dipped goods and coatings made from compounded latex. Products manufactured from this material include boots, coated clips, coated sponge parts, and coated fabrics for automotive applications.The compounds listed in Tables 1 and 2 are grouped into classifications based primarily on physical properties which are prescribed in the tables. These values, together with any additional requirements, indicated by suffix letters in the grade designations as described in Section 3, define the properties of the compounds after vulcanization. These values apply to test specimens obtained from standard laboratory dipped films prepared in accordance with procedures described in the applicable ASTM test methods. Test results from finished products may not duplicate the values obtained from standard test films. When differences due to the difficulty in obtaining suitable test specimens from the finished part arise, the purchaser and the supplier may agree on acceptable deviations. This can be done by comparing results obtained on standard test films with those obtained on actual parts.
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【英文标准名称】:StandardTestMethodforMeasuringViscosityatHighShearRateandHighTemperaturebyTaperedBearingSimulator
【原文标准名称】:用锥形承载模拟器在高剪切率和高温下测量粘度的标准试验方法
【标准号】:ASTMD4683-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:粘度;粘度测量;试验方法;高温
【英文主题词】:dynamicviscosity;highshearviscosity;hightemperatureviscosity;rotationalviscometer
【摘要】:Viscosityattheshearrateandtemperatureofthistestmethodisthoughttoberepresentativeoftheconditionencounteredinthebearingsofautomotiveenginesinsevereservice.Theimportanceofviscosityattheseconditionstoenginelubricationhasbeenaddressedinmanypublications.41.1Thistestmethodcoversthelaboratorydeterminationoftheviscosityofengineoilsat150Cand1106s1shearrateusingataperedbearingsimulator-viscometer(TBSViscometer)equippedwitharefinedthermoregulatorsystem.OlderTBSunitsnotsoequippedmustuseTestMethodD4683-87.1.2TheNewtoniancalibrationoilsusedtoestablishthistestmethodcovertherangefromapproximately1.5to5.6cP(mPas)at150176;C.1.3Thenon-Newtonianreferenceoilusedtoestablishthistestmethodhasaviscosityofapproximately3.5cP(mPas)at150Candashearrateof1x106s1.1.4Applicabilitytopetroleumproductsotherthanengineoilshasnotbeendeterminedinpreparingthistestmethod.1.5Thistestmethodusesthecentipoise(cP)astheunitofviscosity.ForinformationontheequivalentSIunit,themillipascalsecond(mPas)isshowninparentheses.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】:


基本信息
标准名称:双圆弧齿轮滚刀技术条件
英文名称:The general technical specifications of hobs for double-circular-arc gear
中标分类: 机械 >> 工艺装备 >> 刀具
ICS分类: 机械制造 >> 切削工具 >> 铣刀
替代情况:被GB/T 14348-2007代替
发布部门:国家技术监督局
发布日期:1993-05-03
实施日期:1994-01-01
首发日期:1993-05-03
作废日期:2007-12-01
主管部门:中国机械工业联合会
归口单位: 全国刀具标准化技术委员会
起草单位:机电部郑州机械研究所
出版社:中国标准出版社
出版日期:1900-01-01
页数:平装16开, 页数:10, 字数:16千字
适用范围

本标准规定了双圆弧齿轮滚刀的技术要求、性能试验、标志和包装的基本要求。本标准适用于法向模数1.5~32mm双圆弧齿轮滚刀。按本标准制造的滚刀用于加工基本齿廓按GB 12759规定的圆弧圆柱齿轮。

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所属分类: 机械 工艺装备 刀具 机械制造 切削工具 铣刀

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