ANSI/CEMA 501.1-1988 焊接钢翼滑轮的规格

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【英文标准名称】:SpecificationsforWeldedSteelWingPulleys
【原文标准名称】:焊接钢翼滑轮的规格
【标准号】:ANSI/CEMA501.1-1988
【标准状态】:作废
【国别】:美国
【发布日期】:1988-01-27
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:带式输送机;材料装卸;规范;滑轮
【英文主题词】:beltconveyors;materialshandling;specification;pulleys
【摘要】:1.1ThisStandardappliestoaseriesofstraightfaceandcrownedfaceweldedsteelsingpulltyswhichhaveanumberofsteelwingplatesthatextendradiallyfromthelongitudinalaxisoftwocompressiontypehubassembliesandareequallyspacedaboutthepulleycircumference.Thepurposeofthecompressiontypehubsistoprovideaclampfitontheshaft.Thewingsaresupportedorjoinedbyweldedsteelplatessoarrangedastoformtheshapeoftwofrustumsofconesorregularpyramindsbeingjoinedattheirbases.Abarofsufficientradiusisattachedtotheouterlongitudinaledgeofeachwingtoprovidemorecontactareawiththebelt.Thisstandardisrestrictedtopulleyswhichdonottransmittorque.Thisstandardisnotapplicabletopulleyswithcontinuous(uninterrupted)rims,castpulleys,orpulleysutilizingnon-compressionhubs.Thisstandardestablishesloadratings,allowablevariationfromnominaldimensions,permissiblecrowndimensionsandsuchoveralldimensionsasarenormallynecessarytoestablishclearancesforlocationofadjacentparts.Thepulleydiameters,facewidthsandshaftsizesshownarethosethatarenominallyusedincurrentbeltconveyorandelevatorpractice.Theseonlyarecoveredbythisstandard:allothersizesandcapacitiesarenotcoveredbythisstandard.1.2Weldedsteelwingpulleyscoveredbythisstandardshouldnotbeusedwithsteelcableandotherhighmodulusbeltsbecausesuchbeltscreatestressconcentrationsanddemandmanufacturingtolerancesbeyondthecapacitiesofthesepulltys.
【中国标准分类号】:J81
【国际标准分类号】:
【页数】:8P;A4
【正文语种】:英语