ANSIASAE S343.3 APR1990 (R2009) Terminology for Combines and Grain Harvesting.docx
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ANSI/ASAES343.3APR1990(R2009)
TerminologyforCombinesandGrainHarvesting
AmericanSocietyof
AgriculturalandBiologicalEngineers
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ANSI/ASAES343.3APR1990(R2009)
RevisionapprovedJanuary1991;reaffirmedFebruary2009asanAmericanNationalStandard
TerminologyforCombinesandGrainHarvesting
DevelopedbytheASAEGrainHarvestingCommittee;approvedbythePowerandMachineryDivisionStandardsCommittee;adoptedbyASAEasaTentativeStandardFebruary1971;reclassifiedasafullStandardDecember1971;reconfirmedDecember1977;revisedApril1981;reconfirmedDecember1985;revisedMarch1988;approvedasanAmericanNationalStandardAugust1988;revisedApril1990;revisionapprovedbyANSIJanuary1991;revisededitoriallyMarch1991;reaffirmedbyASAEDecember1994;revisededitoriallyFebruary1995;reaffirmedbyASAEDecember1995,December1996;reaffirmedbyANSIMarch1998;reaffirmedbyASAEDecember2001,February2004;reaffirmedbyANSIMarch2004;reaffirmedbyASABEandANSIFebruary2009.
Keywords:
Combines,Grain,Harvesting,Terminology
1Purposeandscope
1.1ThepurposeofthisStandardistoestablishterminologypertinenttograincombinedesignandperformance.Itisintendedtoimprovecommunicationamongengineersandresearchersandtoprovideabasisforcomparativelistingofmachinespecifications.
2Combinecomponents
2.1Header:
Theportionofthecombinecomprisingthemechanismsforgatheringthecrop.
2.1.1Gatheringwidth:
Thedistancebetweenthecenterlinesoftheoutermostdividerpoints;expressedinmeterstothenearesthundredth.Whereadjustabledividersareusedthemaximumandminimumdimensionsshallbestated.
2.1.2Grainheaderwidth:
Thedistancebetweenthesidesheetsoftheheadermeasuredimmediatelyabovetheforwardtipsofthesicklesections;expressedinmeterstothenearesthundredth.
2.1.3Maize(earcorn)headerwidth:
Theaveragedistancebetweenthecenterlinesofadjacentpickingunitsmultipliedbythenumberofunits.Wheretheheaderwidthisadjustable,maximumandminimumdistancesbetweencenterlinesshallbestated,expressedincentimeterstothenearestwholecentimeter.Themaximumandminimumheaderwidthsshallthenbeexpressedinmeterstothenearesthundredth,andthenumberofpickingunitsshallbestated.
2.2Cuttingmechanism:
Thatdeviceontheheaderforseveringtheplantstalks.Mayincludereciprocating,rot