1、BRITISH STANDARD BS6550:1985 ISO6720:1981 Recommendation for Working widths of equipment for sowing, planting, distributing fertilizers and spraying ISO title: Agricultural machinery Equipment for sowing, planting, distributing fertilizers and spraying Recommended working widths UDC 631.3:629.114.73
2、.071.1BS6550:1985 This BritishStandard, having been prepared under the directionof the Agricultural Machinery and Implements Standards Committee, was published under the authority ofthe Board of BSI and comes intoeffect on 28 February1985 BSI12-1999 The following BSI references relate to the work on
3、 this standard: Committee referenceAGE/27 Draft for comment80/73380DC ISBN 0 580 14214 0 Committees responsible for this British Standard The preparation of this BritishStandard was entrusted by the Agricultural Machinery and Implements Standards Committee (AGE/-) to Technical CommitteeAGE/27 upon w
4、hich the following bodies were represented: Agricultural Engineers Association British Agricultural and Garden Machinery Association Ltd. British Agrochemicals Association Health and Safety Executive Ministry of Agriculture, Fisheries and Food National Farmers Union National Institute of Agricultura
5、l Engineering UnitedKingdom Agricultural Supply Trade Association Ltd. Co-opted members Amendments issued since publication Amd. No. Date of issue CommentsBS6550:1985 BSI 12-1999 i Contents Page Committees responsible Inside front cover National foreword ii 1 Scope and field of application 1 2 Refer
6、ence 1 3 Working widths 1 Table 1 Recommended working widths 1 Publications referred to Inside back coverBS6550:1985 ii BSI 12-1999 National foreword This British Standard has been prepared under the direction of the Agricultural Machinery and Implements Standards Committee. It is identical with ISO
7、6720:1981 “Agricultural machinery Equipment for sowing, planting, distributing fertilizers and spraying Recommended working widths”, published by the International Organization for Standardization (ISO). Terminology and conventions. The text of the InternationalStandard has been approved as suitable
8、 for publication as a BritishStandard without deviation. Some terminology and certain conventions are not identical with those used in BritishStandards; attention is drawn especially to the following. The comma has been used as a decimal marker. In British Standards it is current practice to use a f
9、ull point on the baseline as the decimal marker. Where the words “InternationalStandard” appear, they should be read as “BritishStandard”. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct applicati
10、on. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-reference International Standard Corresponding British Standard ISO/TR4004 (now ISO4004:1984) BS6508:1984 Recommendations for track widths for agricultural tractors and machinery (Identical) Summa
11、ry of pages This document comprises a front cover, an inside front cover, pagesi andii, pages1 and2, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front
12、cover.BS6550:1985 BSI 12-1999 1 1 Scope and field of application This International Standard specifies the working widths for equipment for sowing, planting, fertilizing and spraying as a guideline for the manufacturers and users of these machines. It establishes a complementary relationship between
13、 the machines for sowing or planting and the machines used for subsequent operations. 2 Reference ISO/TR4004, Agricultural tractors and machinery Track widths. 3 Working widths The recommended working widths are shown in the table. NOTEEquipment for first operations which have a working width greate
14、r than those given in the table shall satisfy subsequent operations widths. Table 1 Recommended working widths Dimensions in metres Operation Group1 a Group1 b First operation Sowing or planting 1,5 1,8 2,7 3,0 3,6 (4,0) c 4,5 4,5 5,4 6,0 Subsequent operation Fertilizing or spraying 5,4 5,4 5,4 6,0
15、6,0 8,1 9,0 9,0 9,0 9,0 10,8 10,8 10,8 10,8 12,0 12,0 12,0 (16,0) c 18,0 18,0 18,0 18,0 18,0 18,0 24,0 24,0 24,0 27,0 27,0 27,0 27,0 a Group1 is generally compatible with a tractor wheel track width of1,5m in accordance with ISO/TR4004. b Group2 is compatible with a tractor wheel track width of1,8m
16、in accordance with ISO/TR4004. c These dimensions are included to cover existing equipment. They are not recommended for future designs.2 blankBS6550:1985 BSI 12-1999 Publications referred to See national foreword.BS6550:1985 ISO6720:1981 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsI
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