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1、INTERNATIONAL STANDARD IS0 6720 Second edition 1969-09-01 Agricultural machinery - Equipment for sowing, planting, distributing fertilizers and spraying - Recommended working widths Mat b) group 2 is compatible with a track width of 1,8 m; c) group 3 is compatible with a track width of 2 m. Equipmen
2、t for first operations which have a working width greater than those given in the table shall satisfy subsequent operation widths. Y. 1 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/25
3、/2007 10:02:27 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 6720 : 1989 (E) Table 1 - Recommended working widths Operation First : sowing or planting ) Subsequent fertilizing or spraying Dimensions in metres Group 1 _. Group 2 Group 3 I I I 21,6 I 1 21,6 1 24 27 27 2
4、7 27 2a,a 2a,a 24 24 24 24 I 30 30 30 130” 1) If required, these dimensions may be greater, by a multiple of the track width. 2) This dimension may be lower for implements with high power consumption. 3) These dimensions can also be used with a group 1 tractor wheel track width. UDC 631.331/.334+631
5、.346.4!? Descriptors : agricultural machinery, seeders, planting machines, fertilizer distributors, agricultural sprayers, dimensions, width. Price based on 2 pages 2 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/25/2007 10:02:27 MDTNo reproduction or networking permitted without license from IHS -,-,-