SAE J1901 Lip Force Measurement--Radial Lip Seals (Cancelled Oct 2002)

作者:标准资料网 时间:2024-05-03 10:37:06   浏览:9410   来源:标准资料网
下载地址: 点击此处下载
Product Code:SAE J1901
Title:Lip Force Measurement--Radial Lip Seals (Cancelled Oct 2002)
Issuing Committee:Sae Ic Powertrain Steering Committee
Scope:This SAE Recommended Practice defines radial lip force for shaft seals. The principle of lip force measurement is described and the types of radial force measuring devices are discussed. A type of radial force measuring device and procedure for use is recommended.
下载地址: 点击此处下载
基本信息
标准名称:电动上肢假肢
英文名称:Electric arm
中标分类: 医药、卫生、劳动保护 >> 医疗器械 >> 矫形外科、骨科器械
发布日期:1993-01-01
实施日期:1993-05-01
首发日期:
作废日期:
出版日期:
页数:8页
适用范围

没有内容

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 医药 卫生 劳动保护 医疗器械 矫形外科 骨科器械
【英文标准名称】:StandardTestMethodforMeasurementofWeb/RollerFrictionCharacteristics
【原文标准名称】:测量卷材/滚子摩擦特性的标准试验方法
【标准号】:ASTMG143-2003(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:G02.50
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:coefficientoffriction;elastomers;frictionplasticsheet;frictiontesting;papers;rollers;rubber;web/rollercouple;Coefficientoffriction(COF);Elastomericmaterials/applications;Friction/frictionalproperties--metallicmaterials;Rollers;Rub
【摘要】:Thistestmethodisintendedtosimulatetheslipofaflexiblewebonarollerinamachineortribosystemthatconveyswebmaterials.Flexiblewebssuchasplasticsheeting,paper,elastomers,metalfoils,andclothareoftentransportedinmanufacturingprocessesbycombinationsofdrivingandidlerrollers.Thefrictioncharacteristicsoftheweb/rollerinterfaceoftenaffectsthewebtransportprocess.Iftheweb/rollerfrictionistoolow,thewebcanslipontherollersandbedamagedordamagetheroller.Highfrictionontheotherhand,canleadtosteeringproblemsandoverloadingofdrivingmotors.Thistestmethodcanbeusedtorankrollersfortheirabilitytoresistslipversusaparticularwebmaterial(highfriction).Converselythistestmethodcanassesswebmaterialsorwebsurfacecoatingssuchaswaxesandlubricants.Inthislattercase,thegoalmaybealow-frictionproductmadefromaweb(film,magneticmedia,paper,andsoforth).Ifatribosysteminvolvestransportofaflexiblewebonaroller,thisisanappropriatetesttousetomeasurethefrictioncharacteristicsoftheroller/webcouple.1.1Thistestmethodcoversthesimulationofaroller/webtransporttribosystemandthemeasurementofthestaticandkineticcoefficientoffrictionoftheweb/rollercouplewhenslidingoccursbetweenthetwo.Theobjectiveofthistestmethodistoprovideuserswithweb/rollerfrictioninformationthatcanbeusedforprocesscontrol,designcalculations,andforanyotherfunctionwhereweb/rollerfrictionneedstobeknown.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J81
【国际标准分类号】:53_040_20
【页数】:8P.;A4
【正文语种】:英语