WORKING TOOL FOR DISK HARROW

FIELD: agricultural engineering. SUBSTANCE: working tool has spherical cut-out disk for soil tillage. Disk has teeth whose cutting edges are extending in logarithmic spiral set by formula rho = rhoo.q /2pi, (where rhoo = 106; q = 4). Initial radius rhoo and logarithmic spiral growth coefficient q ar...

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Bibliographische Detailangaben
Hauptverfasser:	LJUBIN V.N, RYZHKOV A.V, BULAVIN S.A
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY FISHING FORESTRY HUMAN NECESSITIES HUNTING PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL SOIL WORKING IN AGRICULTURE OR FORESTRY TRAPPING
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Beschreibung
Zusammenfassung:	FIELD: agricultural engineering. SUBSTANCE: working tool has spherical cut-out disk for soil tillage. Disk has teeth whose cutting edges are extending in logarithmic spiral set by formula rho = rhoo.q /2pi, (where rhoo = 106; q = 4). Initial radius rhoo and logarithmic spiral growth coefficient q are equal for internal and external teeth edges. Disk is made continuous to improve service life. EFFECT: reduced soil and plant remains shear resistance and decreased cost of soil tillage. 2 cl, 2 dwg