BS-5755-1986.pdf

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1、BRITISH STANDARD BS 5755:1986 Specification for Dimensions of basic features of fluid power cylinders UDC 621.81.032/.033:621.226 Licensed Copy: sheffieldun sheffieldun, na, Fri Dec 01 14:31:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5755:1986 This British Standard, having been prepared under

2、the direction of the Machinery and Components Standards Committee, was published under the authority of the Board of BSI and comes into effect on 28 February 1986 BSI 12-1999 First published January 1980 First revision February 1986 The following BSI references relate to the work on this standard: C

3、ommittee reference MCE/18 Drafts for comment 77/73300 DC, 77/73301 DC, 81/75106 DC, 81/76510 DC ISBN 0 580 15058 5 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Machinery and Components Standards Committee (MCE/-) to Technical Committe

4、e MCE/18, upon which the following bodies were represented: Association of British Mining Equipment Companies Association of Hydraulic Equipment Manufacturers British Compressed Air Society British Hydromechanics Research Association British Steel Corporation British Telecommunications plc Departmen

5、t of Trade and Industry (National Engineering Laboratory) Electricity Supply Industry in England and Wales Federation of Manufacturers of Construction Equipment and Cranes Health and Safety Executive Institution of Mechanical Engineers Machine Tool Industry Research Association Ministry of Defence N

6、ational Coal Board The following bodies were also represented in the drafting of the standard, through subcommittees and panels: British Industrial Truck Association British Steel Industry Institution of Chemical Engineers Welding Manufacturers Association (BEAMA Ltd.) Coopted member Amendments issu

7、ed since publication Amd. No.Date of issueComments Licensed Copy: sheffieldun sheffieldun, na, Fri Dec 01 14:31:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5755:1986 BSI 12-1999i Contents Page Committees responsibleInside front cover Forewordii 1Scope1 2Definitions1 3Cylinder bore1 4Piston rod

8、diameter1 5Piston stroke1 6Piston rod thread1 7Nominal pressure1 Appendix A Ratios of piston effective working areas4 Figure 1 Bore and rod dimensions1 Figure 2 Piston strokes2 Figure 3 Types of piston rod threads3 Table 1 Cylinder bore diameters1 Table 2 Piston rod diameters2 Table 3 Piston strokes

9、2 Table 4 Piston rod threads3 Table 5 Nominal pressures3 Table 6 Ratios of piston effective working areas4 Publications referred toInside back cover Licensed Copy: sheffieldun sheffieldun, na, Fri Dec 01 14:31:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5755:1986 ii BSI 12-1999 Foreword This re

10、vised British Standard has been prepared under the direction of the Machinery and Components Standards Committee and supersedes BS 5755:1980 which is withdrawn. This second edition brings together the requirements given in International Standards ISO 3320, ISO 3322, ISO 4393, ISO 4395 and ISO 7181 p

11、ublished by the International Organization for Standardization (ISO) and adopts the identification codes for mounting dimensions specified in ISO 6099. The ranges of dimensions specified in this British Standard are provided to assist designers of fluid power cylinders in the knowledge that the basi

12、c materials and components, such as seals (e.g. BS 5751) and cylinder barrels (e.g. BS 5242), would be readily available. It is expected that the dimensions of additional features, such as connection ports, may be added at the next revision. For the mounting dimensions of various standard ranges of

13、fluid power cylinders, which have been designed around the basic features specified in this standard, reference should be made to the various parts of BS 4862 (pneumatic cylinders) and BS 6331 (hydraulic cylinders). A British Standard does not purport to include all the necessary provisions of a con

14、tract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 4, an inside back c

15、over 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 cover. Licensed Copy: sheffieldun sheffieldun, na, Fri Dec 01 14:31:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS

16、5755:1986 BSI 12-19991 1 Scope This British Standard specifies ranges of dimensions for the following basic features of hydraulic and pneumatic fluid power cylinders: a) bore diameter; b) piston rod diameter; c) piston stroke; d) piston rod thread; e) nominal pressure. Ratios of the effective workin

17、g areas of either side of the cylinder pistons are given in Appendix A. NOTEThe titles of the publications referred to in this standard are listed on the inside back cover. 2 Definitions For the purposes of this British Standard the following definitions apply. 2.1 cylinder a device which converts f

18、luid power into linear mechanical force and motion 2.2 cylinder bore the internal diameter of a cylinder 2.3 piston rod the element transmitting mechanical force and motion from the piston 2.4 piston rod thread a thread by which the piston rod is to be attached to any component outside the cylinder

19、3 Cylinder bore The cylinder bore shall be selected from the range of diameters AL shown in Figure 1 and listed in Table 1. 4 Piston rod diameter The piston rod diameter shall be selected from the range of diameters MM shown in Figure 1 and listed in Table 2. 5 Piston stroke The stroke of the piston

20、 rod shall be selected from the range of strokes S shown in Figure 2 and listed in Table 3. 6 Piston rod thread If provided, the thread at the end of the piston rod shall be selected from the types shown in Figure 3, and the sizes listed in Table 4. 7 Nominal pressure The nominal working pressures o

21、f cylinders shall be selected from the pressures listed in Table 5. Table 1 Cylinder bore diameters (in mm) Figure 1 Bore and rod dimensions AL810121620253240506380100125160200250320400500 NOTEAn extension upwards of the diameter ranges may, if required, be made using the R10 series of preferred num

22、bers given in BS 2045. Licensed Copy: sheffieldun sheffieldun, na, Fri Dec 01 14:31:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5755:1986 2 BSI 12-1999 Table 2 Piston rod diameters (in mm) Table 3 Piston strokes (in mm) 45681012141618202225 MM2832364045505663708090100 11012514016018020022025028

23、0320360 NOTEAn extension upwards of the diameter ranges may, if required, be made using the R20 series of preferred numbers given in BS 2045. Figure 2 Piston strokes S255080100125160200250320400500 NOTE 1If an extension of the series shown above is required, use the rounded-off R10 series of values

24、as given in BS 2045. NOTE 2Hydraulic cylinders complying with BS 6331 are frequently manufactured with stroke lengths to suit purchasers individual requirements. Licensed Copy: sheffieldun sheffieldun, na, Fri Dec 01 14:31:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5755:1986 BSI 12-19993 Table

25、 4 Piston rod threads Table 5 Nominal pressures (in bara) Thread sizesa KK and KF Thread length, Lb short type A long typec AM and AF M3 0.35 M4 0.5d M5 0.5 M6 0.75d M8 1d M10 1.25 M12 1.25 M14 1.5 M16 1.5 M18 1.5 M20 1.5 M22 1.5 M24 2 M27 2 M30 2 M33 2 M36 2 M42 2 M48 2 M56 2 M64 3 M72 3 M80 3 M90

26、3 M100 3 M110 3 M125 4 M140 4 M160 4 M180 4 M200 4 M220 4 M250 6 M280 6 mm 6 8 10 12 12 14 16 18 22 25 28 30 32 36 40 45 50 56 63 75 85 85 95 106 112 112 125 140 160 180 200 220 250 280 mm 9 12 15 16 20 22 24 28 32 36 40 44 48 54 60 66 72 84 96 112 128 128 140 140 a Constant pitch series in accordan

27、ce with BS 3643-1. b Female thread AF is a minimum length; male threads A and AM are maximum lengths. c When locknuts are required for adjustment, use the long type thread lengths. d For specific pneumatic purposes, use the corresponding coarse pitch thread sizes M4 0.7, M6 1 and M8 1.25 in accordan

28、ce with BS 3643. Figure 3 Types of piston rod threads 6.31016254063 100160250315400 a Gauge pressure: 1 bar = 105N/m2= 100 kPa. Licensed Copy: sheffieldun sheffieldun, na, Fri Dec 01 14:31:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5755:1986 4 BSI 12-1999 Appendix A Ratios of piston effective

29、working areas In any single rod fluid power cylinder the effective working areas of either side of the piston is different. For convenience in calculations these areas are expressed as a ratio. Table 6 lists piston areas A1 and A2 corresponding to the cylinder bore diameters AL and piston rod diamet

30、ers MM (listed in Table 1 and Table 2) respectively, and groups them in order of basic approximate ratios . Actual ratios for each piston and rod combination are also stated in Table 6. Table 6 Ratios of piston effective working areas Units AL253240506380100125160200250320400500mm . A14.918.0412.619

31、.631.250.378.51232013144918041 2571 963 cm2 1.06 MM A2 12 18.5 1.06 16 29.2 1.07 20 47.1 1.07 25 73.6 1.07 32 115 1.07 40 188 1.07 50 295 1.07 63 460 1.07 80 754 1.07 100 1 178 1.07 125 1 841 1.07 mm cm2 1.12 MM A2 12 11.4 1.10 16 17.6 1.11 20 28.0 1.11 25 45.4 1.11 32 70.5 1.11 40 110 1.11 50 181 1

32、.11 63 283 1.11 80 441 1.11 100 726 1.11 125 1 134 1.11 160 1 762 1.11 mm cm2 1.25 MM A2 12 3.78 1.30 14 6.50 1.24 18 10.0 1.25 22 15.8 1.24 28 25.0 1.25 36 40.1 1.25 45 62.6 1.25 56 98.1 1.25 70 163 1.24 90 251 1.25 110 396 1.24 140 650 1.24 180 1 002 1.24 220 1 583 1.24 mm cm2 1.4 MM A2 14 3.37 1.

33、46 18 5.50 1.46 22 8.77 1.43 28 13.5 1.46 36 21 1.48 45 34.4 1.46 56 53.9 1.46 70 84.2 1.46 90 137 1.46 110 219 1.43 140 337 1.46 180 550 1.46 220 877 1.43 280 1 348 1.46 mm cm2 1.6 MM A2 16 2.90 1.69 20 4.90 1.64 25 7.66 1.64 32 11.6 1.69 40 18.6 1.68 50 30.6 1.64 63 47.4 1.66 80 72.5 1.69 100 123

34、1.64 125 191 1.64 160 290 1.69 200 490 1.64 250 766 1.64 320 1 159 1.69 mm cm2 2 MM A2 18 2.36 2.08 22 4.24 1.90 28 6.41 1.96 36 9.46 2.08 45 15.3 2.04 56 25.6 1.96 70 40.1 1.96 90 59.1 2.08 110 106 1.90 140 160 1.96 180 236 2.08 220 424 1.90 280 641 1.96 360 946 2.08 mm cm2 2.5 MM A2 20 1.77 2.78 2

35、5 3.13 2.57 32 4.52 2.78 40 7.07 2.78 50 11.5 2.70 63 19.1 2.63 80 28.3 2.78 100 44.2 2.78 125 78.3 2.57 160 113 2.78 200 177 2.78 250 313 2.57 320 452 2.78 mm cm2 5 MM A2 45 3.73 5.26 56 6.54 4.76 70 11.8 4.27 90 14.9 5.26 110 27.7 4.43 140 47.1 4.27 180 60 5.26 220 111 4.43 280 188 4.27 360 239 5.

36、26 mm cm2 Full working area of the piston: Nett working area of the piston: Ratio of working areas: A1 4 - AL2= A2 4 - AL2MM2()= A1 A2 - AL2 AL2MM2 - -= Licensed Copy: sheffieldun sheffieldun, na, Fri Dec 01 14:31:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5755:1986 BSI 12-1999 Publications re

37、ferred to BS 2045, Preferred numbers. BS 3643, ISO metric screw threads. BS 3643-1, Principles and basic data. BS 4862, Mounting dimensions of single rod double acting 10 bar pneumatic cylinders1). BS 4862-1, Specification for cylinders up to 25 mm bore. BS 4862-2, Specification for cylinders, 32 mm

38、 bore and over, with detachable mountings. BS 5242, Tubes for fluid power cylinder barrels1). BS 5242-1, Specification for steel tubes with specially finished bores. BS 5242-2, Specification for non-ferrous metallic tubes with specially finished bores. BS 5242-3, Specification for steel tubes with s

39、pecially finished surfaces for telescopic applications for use in the mining industry. BS 5242-4, Specification for steel tubes with specially finished surfaces for general telescopic applications. BS 5751, Specification for dimensions of housings for hydraulic seals for reciprocating applications1)

40、. BS 6331, Mounting dimensions of single rod double acting hydraulic cylinders1). BS 6331-1, Specification for 160 bar medium series. BS 6331-2, Specification for 160 bar compact series. BS 6331-3, Specification for 250 bar series. BS 6331-4, Specification for 63 bar series, including associated com

41、ponents. ISO 3320, Fluid power systems and components Cylinder bore and piston rod diameters Metric series1). ISO 3322, Fluid power systems and components Cylinders Nominal pressures1). ISO 4393, Fluid power systems and components Cylinders Basic series of piston strokes1). ISO 4395, Fluid power sys

42、tems and components Cylinders Piston rod thread dimensions and types1). ISO 6099, Fluid power systems and components Cylinders Identification codes for mounting dimensions and mounting types1). ISO 7181, Hydraulic fluid power Cylinders Bore and rod area ratios1). 1) Referred to in the foreword only.

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