ANSI ASTM F765-1993 Standard Specification for Wildcats Ship Anchor Chain《锚链轮规范.船锚链》.pdf

1、Designation: F765 93 (Reapproved 2017) An American National StandardStandard Specification forWildcats, Ship Anchor Chain1This standard is issued under the fixed designation F765; the number immediately following the designation indicates the year of originaladoption or, in the case of revision, the

2、 year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1. Scope1.1 This specification covers w

3、ildcats as used in windlassesto haul in and pay out anchor chain on board ships. Anassociated chain stopper is used to secure the chain while theship is anchored, or the anchor is housed.1.2 Wildcats are of the five whelp type for use with stud linkanchor chain conforming to the American Bureau of S

4、hippingGrades 1, 2, and 3. Wildcat dimensions are provided for chainsin integral18-in. (3-mm) steps, ranging in size from34 to 418in. (19 to 104 mm). Wildcat dimensions for chains in interme-diate116-in. (1.5-mm) steps are not provided, but wildcats inthese sizes are permitted within the scope of th

5、is specification.1.3 Wildcats are configured to pass detachable links ori-ented parallel or perpendicular to the wildcat shaft centerline.1.4 The values stated in inch-pound units are to be regardedas the standard. This specification is for use with anchor chainthat is measured in inch-pound units.1

6、.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to

7、Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2A27/A27M Specification for Steel Castings, Carbon, forGeneral ApplicationA36/A36M Specification for Carbon Structural SteelA148/A148M Specification for Steel Castings, HighStrength, for Structural PurposesE10 Test Method for Brinell Ha

8、rdness of Metallic Materials2.2 Other Documents:American Bureau of Shipping Rules for Building andClassing Steel Vessels, Section, 2.2.2 Anchor Chain3American Welding Society Structural Welding Code ChapterD1.143. Classification3.1 The size of the wildcat is identified by the chain size.3.2 Wildcats

9、 are furnished in four types as follows:3.2.1 Type IFabricated from structural steel plate forflanges, hubs, whelps, and chain pockets, joined by electricwelding. Surface hardness is approximately 150 HB.3.2.2 Type IIFabricated from structural steel plate forflanges, hubs, and chain pockets; and hig

10、h-strength steelcastings for whelps, joined by electric welding. Surface hard-ness is approximately 150 HB for flanges and hubs and 300 HBfor whelps.3.2.3 Type IIICast from medium-strength carbon steelcastings to provide a surface hardness of approximately 150HB.3.2.4 Type IVCast from high-strength

11、steel castings toprovide a surface hardness of approximately 300 HB.4. Descriptions of Terms4.1 chain groovecircumferential groove at the chain cen-terline to provide clearance for links passing normal to thewildcat shaft centerline.4.2 chain pocketsrecesses between the flanges and whelpsinto which

12、links with flat side orientated parallel to the wildcatshaft centerling lay.4.3 detachable linka “C” shaped link, closed by means ofa pair of closing pieces and a taper pin, and used to join anchorchain lengths and appendages into a continuous length aboardship.4.4 flangescircumferential rims on the

13、 outside of thewhelps, chain pockets, and chain groove.1This specification is under the jurisdiction of ASTM Committee F25 on Shipsand Marine Technology and is the direct responsibility of Subcommittee F25.03 onOutfitting and Deck Machinery.Current edition approved May 1, 2017. Published June 2017.

14、Originallyapproved in 1982. Last previous edition approved in 2012 as F765 93 (2012)1.DOI: 10.1520/F0765-93R17.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the s

15、tandards Document Summary page onthe ASTM website.3Available from American Bureau of Shipping (ABS), ABS Plaza, 16855Northchase Dr., Houston, TX 77060, http:/www.eagle.org.4Available from American Welding Society (AWS), 8669 NW 36 St., #130,Miami, FL 33166-6672, http:/www.aws.org.Copyright ASTM Inte

16、rnational, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,

17、 Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.14.5 link gripthe inside dimension of a chain link repre-senting the effective length of a chain link in an assembledchain. Generally four times the nominal size of a stud linkanchor chain,

18、 see Fig. 1.4.6 whelpsprotrusions on the inside of the flanges of thewildcat that resemble gear teeth and of such shape anddimensions so as to follow the path of the chain, as it enters andleaves the wildcat. Faces of protrusions are separated by thechain groove to permit links with the flat side no

19、rmal to thewildcat shaft centerline to pass, but blocking links with the flatside oriented parallel to the wildcat shaft centerline.4.7 wildcata rotating member specially contoured to re-ceive assembled chain links and connecting links around thecircumference of the member and of suitable strength t

20、o impartmotion to the chain when rotated.5. Ordering Information5.1 Orders for wildcats under this specification shall includethe following:5.1.1 Quantity (number),5.1.2 Size (chain size),5.1.3 ASTM designation and date of issue,5.1.4 Type (I, II, III, or IV),5.1.5 Size, grade, and type of chain,5.1

21、.6 Availability of assembled chain and detachable link tobe furnished by the purchaser for test (see Section 9),5.1.7 As-cast or machined dimensions for wildcat bore, hubwidth, and outside boss diameter, and5.1.8 Marking (shipping).6. Materials and Manufacture6.1 Material for Type I wildcats shall c

22、onform to Specifi-cation A36/A36M for flanges, hubs, whelps, and chain pockets,joined by electric welding in accordance with AWS, structuralwelding code Chapter D1.1. Type I wildcats in sizes 2 in. andlarger shall be stress-relieved. Material for Type II wildcatsshall conform to Specification A36/A3

23、6M for flanges andhubs, and chain pockets, and Specification A148/A148M forwhelps, joined by electric welding in accordance with AWS,Structural Welding Code, Chapter D1.1, stress-relieved andheat-treated. Material for Type III wildcats shall conform toSpecification A27/A27M, Grade 7040, quenched and

24、 tem-pered. Material for Type IV wildcats shall conform to Speci-fication A148/A148M, Grade 150125, quenched and tem-pered.6.2 The manufacturers name or identification mark, chainsize, and pattern or drawing number shall be cast or stamped onthe wildcat, using minimum34-in. (19-mm) size characters.T

25、he marking shall not appear on a wearing surface and shall bevisible on an assembled windlass.7. Dimensions7.1 Wildcat must be fitted to the sample chain, and detach-able link (see Section 9). Principal dimensions of Types III andIV wildcats for chains in steps of18 in. (3 mm) are shown forinformati

26、on only in Table 1 and Table 2.7.2 Dimensions in Table 1 and Table 2 are developed inaccordance with the following (see also Fig. 2 and Fig. 3):7.2.1 Bottom of chain pockets are relieved to clear enlarge-ments occurring at centers of chain links as manufactured.7.2.2 Each face of the whelp is a part

27、ial frustrum of a conedeveloped so that each link whose plane is parallel to thewildcat shaft centerline will have end play as noted in Table 1and Table 2. This end play provides clearance betweennonbearing side of whelp and the end of the next followinglink, the centerline plane of which is paralle

28、l to the axis ofshaft.7.2.3 The inner surfaces of the chain pockets, that form theflanges of the wildcat, are flat surfaces together forming thefrustrums of pentagonal pyramids. The traces of the intersec-tions of these flat surfaces or sides of the frustrums coincidewith the centerline of the whelp

29、s.FIG. 1 Chain Wrap TestF765 93 (2017)27.2.4 The trace of the intersection of the plane at the bottomof the chain pocket and the side of whelp forms a hyperbolicsection of a cone and is therefore a curved line.TABLE 1 Dimensions in Inches of Types III and IV Wildcats for ChainsSize ofChainRR1R2R3XAB

30、OPS T UVR4R5End Playof Link34 4.12 4.09 3.00 4.87 238 138 33812 1516 11532 221321316316 21383478 4.80 4.77 3.50 5.68 21116 112 37858 11332 158 333278732 2516 112781 5.49 5.43 4.00 6.49 3 158 43834 11732 11316 312 114 258 134 1118 6.18 6.12 4.62 7.31 314 178 47834 12732 218 33132 118932 32116 1116114

31、 6.87 6.81 5.12 8.12 312 253878 2332 2716 4716 114516 3516 212 118138 7.56 7.50 5.62 8.93 334 218 57878 2932 22332 478 1381132 358 258 118112 8.24 8.18 6.19 9.74 4116 214 638 121732 3116 538 11238 4318158 8.93 8.87 6.75 10.55 438 212 678 118 278 338 52732 1581332 4516 314 1316134 9.63 9.57 7.31 11.3

32、7 41116 234 738 118 3132 358 614 134716 458 3916 114178 10.31 10.25 7.87 12.18 5 278 778 114 314 32932 62332 1781532 41516 31316 15162 10.99 10.93 8.37 12.99 514 3838 114 3716 4532 718 212 514 378 138218 11.68 11.62 8.87 13.80 5916 318 878 138 31932 41532 758 2181732 558 414 1716214 12.37 12.31 9.50

33、 14.62 578 338 914 138 32932 434 73132 214916 51516 458 112238 13.05 12.99 10.00 15.42 6316 312 934 112 418 5116 8716 2381932 614 41116 11732212 13.74 13.68 10.62 16.24 612 358 1014 112 4716 538 81516 21258 658 514 1916258 14.43 14.37 11.25 17.05 61316 378 1034 158 41932 558 938 2582132 61516 538 15

34、8234 15.11 15.06 11.75 17.86 718 41114 134 42932 691516 2341116 714 534 11116278 15.80 15.74 12.25 18.67 7716 414 1134 134 5116 6316 10516 2782332 758 51516 1343 16.48 16.42 12.75 19.48 734 438 1214 178 514 612 102332 334 71316 6516 178318 17.17 17.11 13.25 20.30 8116 458 1234 178 51732 62532 11316

35、3182532 814 612 11516314 17.85 17.79 13.87 21.10 838 434 1314 178 52332 7132 1138 3141316 858 658 2338 18.55 18.49 14.37 21.92 81116 51334 26132 7516 12116 3382732 81516 7116 2116312 19.23 19.17 15.00 22.73 9 518 1414 26316 7916 12716 31278 914 7516 218358 19.92 19.86 15.50 23.54 9516 538 1434 218 6

36、1932 73132 13 3582932 9916 71116 2316334 20.60 20.54 16.00 24.35 958 558 1514 214 634 818 13716 3341516 978 8214378 21.30 21.24 16.62 25.17 91516 534 1534 214 63132 8716 1378 3783132 1014 8316 25164 21.98 21.92 17.00 25.98 1014 61614 238 7316 81316 14516 4110716 8916 238418 22.67 22.61 17.50 26.39 1

37、0916 614 1634 238 758 9116 141316 418 1132 1078 878 2716TABLE 2 Dimensions in Millimetres of Types III and IV Wildcats for ChainsSize ofChainRR1R2R3XABOPSTUVR4R5End Playof Link34 104.6 103.9 76.2 123.7 60.3 34.9 85.7 12.7 33.3 37.3 67.5 20.6 4.8 50.8 34.9 19.178 121.9 121.2 88.9 144.3 68.3 38.1 98.4

38、 15.9 35.7 41.3 78.6 22.2 5.6 58.7 38.1 22.21 138.4 137.9 101.6 164.8 76.2 41.3 111.1 19.1 38.9 46.0 88.9 25.4 6.4 66.7 44.5 25.4118 157.0 155.4 117.3 185.7 82.6 47.6 123.8 19.1 46.8 54.0 100.8 28.6 7.1 76.2 52.4 27.0114 174.5 173.0 130.0 206.2 88.9 50.8 136.5 22.2 53.2 61.9 112.7 31.8 7.9 84.1 63.5

39、 28.6138 192.0 190.5 142.7 226.8 95.3 54.0 149.2 22.2 57.9 69.1 123.8 34.9 8.7 92.1 66.7 28.6112 209.3 207.8 157.2 247.4 103.2 57.2 161.9 25.4 64.3 77.8 136.5 38.1 9.5 101.6 76.2 28.6158 226.8 225.3 171.5 268.0 111.1 63.5 174.6 28.6 73.0 85.7 148.4 41.3 10.3 109.5 82.6 30.2134 244.6 243.1 185.7 288.

40、8 119.1 69.9 187.3 28.6 77.0 92.1 158.8 44.5 11.1 117.5 90.5 31.8178 261.9 260.4 199.9 309.4 127.0 73.0 200.0 31.8 82.6 99.2 170.7 47.6 11.9 125.4 96.8 33.32 279.1 277.6 212.6 329.9 133.4 76.2 212.7 31.8 87.3 105.6 181.0 50.8 12.7 133.4 98.4 34.9218 296.7 295.1 225.3 350.5 141.3 79.4 225.4 34.9 91.3

41、 113.5 193.7 54.0 13.5 142.9 108.0 36.5214 314.2 312.7 241.3 371.3 149.2 85.7 235.0 34.9 99.2 120.7 202.4 57.2 14.3 150.8 117.5 38.1238 331.5 329.9 254.0 391.7 157.2 88.9 247.7 38.1 104.8 128.6 214.3 60.3 15.1 158.8 119.1 38.9212 349.0 347.5 269.8 412.5 165.1 92.1 260.4 38.1 112.7 136.5 227.0 63.5 1

42、5.9 168.3 133.4 39.7258 366.5 365.0 285.8 433.1 173.0 98.4 273.1 41.3 116.7 142.9 238.1 66.7 16.7 176.2 136.5 41.3234 383.8 382.5 298.5 453.6 181.0 101.6 285.8 44.5 124.6 152.4 252.4 69.9 17.5 184.2 146.1 42.9278 401.3 399.8 311.2 474.2 188.9 108.0 298.5 44.5 128.6 157.2 261.9 73.0 18.3 193.7 150.8

43、44.53 418.6 417.1 323.9 494.8 196.9 111.1 311.2 47.6 133.4 165.1 272.3 76.2 19.1 198.4 160.3 47.6318 436.1 434.6 336.6 515.6 204.8 117.5 323.9 47.6 140.5 172.2 284.2 79.4 19.8 209.6 165.1 49.2314 453.4 451.9 352.3 535.9 212.7 120.7 336.6 47.6 145.3 178.6 288.9 82.6 20.6 219.1 168.3 50.8338 471.2 469

44、.6 365.0 556.8 220.7 127.0 349.3 50.8 153.2 185.7 306.4 85.7 21.4 227.0 179.4 52.4312 488.4 486.9 381.0 577.3 228.6 130.2 362.0 50.8 157.2 192.1 315.9 88.9 22.2 235.0 185.7 54.0358 506.0 504.4 393.7 597.9 236.5 136.5 374.7 54.0 167.5 202.4 330.2 92.1 23.0 242.9 195.3 55.6334 523.2 521.7 406.4 618.5

45、238.1 142.9 387.4 57.2 171.5 206.4 341.3 95.3 23.8 250.8 203.2 57.2378 541.0 539.5 422.1 639.3 252.4 146.1 400.1 57.2 177.0 214.3 352.4 98.4 24.6 260.4 208.0 58.74 558.3 556.8 431.8 659.9 260.4 152.4 412.8 60.3 182.6 223.9 363.5 101.6 25.4 268.3 214.3 60.3418 575.8 574.3 444.5 680.5 268.3 158.8 425.

46、5 60.3 193.7 230.2 376.2 104.8 26.2 276.2 225.4 61.9F765 93 (2017)3FIG. 2 Wildcat DevelopmentF765 93 (2017)47.2.5 Wildcat radii are as follows with all dimensionshaving the same units:R3= mean effective radius, measured to the outsidecenter of a link laying in the displaced position ina pocket,d = b

47、ar diameter (chain size),L = overall length of link,g = link grip,Sin 18 = 0.309 02,Cos 18 = 0.951 06,R3=Sg0.30902D21Sd0.95106D22, andR4= L 3.36d.8. Workmanship, Finish, and Appearance8.1 Castings shall be smooth, of fine grain, and free ofcracks, hot tears, and blow holes, detrimental to end use.8.

48、2 Castings shall have all flash material, vents, and gatesremoved and ground flush to match the surrounding surface.8.3 Welds shall be extended around the ends of membersand be free of pockets and irregularities that would tend to trapwater or mud.8.4 Castings and weldments shall be sand- or shot-blasted toremove all loose scale and slag.8.5 The outside faces of the wildcat flanges shall be ma-chined to the extent necessary to rotate in true planes.9. Test Method9.1 To test the fit of the samp