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1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefr
2、om, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2002 Society of Automotive Engineers, Inc. All rights reserved. No part of
3、this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER:Tel: 877-606-7323 (inside USA and Canada) Tel: 724-776-4
4、970 (outside USA) Fax: 724-776-0790 Email: custsvcsae.org SAE WEB ADDRESS:http:/www.sae.org SURFACE VEHICLE STANDARD J2337-2 ISSUED OCT2002 Issued2002-10 Connections for Fluid Power and High Pressure Use Ports, Stud Ends, and Plugs with ISO 261 Threads and O-Ring SealingPart 2: Stud End Requirements
5、, Dimensions, Design, and Test Methods ForewordThis part defines requirements, dimensions, design and test methods for eight metric stud ends for the port connection system for hydraulic applications. In fluid power systems, power is transmitted and controlled through a fluid (liquid or gas) under p
6、ressure within an enclosed circuit. In general applications, a fluid may be conveyed under pressure. Components are connected through their threaded ports by stud ends on fluid connectors to tubes or to hose fittings and hoses. Test procedures for metric ports, stud ends (connectors) and plugs are i
7、n accordance with SAE J1644 and may be used at working pressures shown in Table 1. 1.Scope 1.1PurposeThis part of SAE J2337 specifies dimensions, design, and performance requirements for eight connectors using a conical seal to insure leak proof performance with a design factor of 4 to 1. 1.2Field o
8、f ApplicationThese connectors are intended for general and hydraulic systems on industrial equipment and commercial products, where elastomeric seals are acceptable to overcome leakage and variations in assembly procedures. These connectors are capable of providing leak proof full flow connections i
9、n hydraulic systems operating from 95 kPa vacuum to the working pressures shown in Table 1. Since many factors influence the pressure at which hydraulic systems will or will not perform satisfactorily, these values should not be construed as guaranteed minimums. For any application, it is recommende
10、d that sufficient testing be conducted and reviewed by both the user and manufacturer to ensure that the required performance levels are met. CAUTIONFor use of these connectors in conditions outside the pressure and temperature limits specified, contact the manufacturer. 2.References 2.1Applicable P
11、ublicationsThe following standards contain information, which through reference in this text, constitute provisions of this document. All standards are subject to revision, and parties to agreements based on this document shall apply the most recent of the standards. Members of IEC and ISO maintain
12、registers of currently valid International Standards. Unless otherwise indicated, the latest version of SAE publications shall apply. SAE J2337-2 Issued OCT2002 -2- 2.1.1SAE PUBLICATIONSAvailable from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. SAE J515Hydraulic O-Rings SAE J1644Metallic
13、 Tube Connections for Fluid Power and General UseTest Plan Methods for Threaded Fluid Power Connections SAE AS568AAerospace Size Standard for O-Rings 2.1.2ASTM PUBLICATIONSAvailable from ASTM, 100 Barr Harbor, West Conshohocken, PA 19428-2959. ASTM B 117Method of Salt Spray (Fog) Test 2.1.3ISO PUBLI
14、CATIONSAvailable from ANSI, 25 West 43rd Street, New York, NY 10036-8002. ISO 261ISO general-purpose metric screw threadsGeneral plan ISO 3601Fluid SystemsO-ringsPart 1 ISO 4759-1Tolerances for fasteners Part 1: Bolts, Screws, Nuts with threaded diameters between 1.6 (inclusive) and 150 mm (inclusiv
15、e) and product grades A, B, and C ISO 5598Fluid Power Systems and ComponentsVocabulary ISO 9927Corrosion tests in artificial atmospheresSalt spray 2.2Related PublicationsThe following publications are provided for information purposes only and are not a required part of this document. 2.2.1SAE PUBLI
16、CATIONSAvailable from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. SAE J343Test and Test Procedures for SAE 100R Series Hydraulic Hose and Hose Assemblies SAE J517Hydraulic Hose (Types 100R1 through 100R17) SAE J1065Pressure Ratings for Hydraulic Tubing and Fittings SAE J1176External Leak
17、age Classifications for Hydraulic Systems SAE J2337-1Connections for Fluid Power and High Pressure UsePorts, Stud Ends, and Plugs with ISO 261 Threads and O-Ring SealingPart 1: PortsRequirements, Dimensions, Design, and Test Methods SAE J2337-3Connections for Fluid Power and High Pressure UsePorts,
18、Stud Ends, and Plugs with ISO 261 Threads and O-Ring SealingPart 3: Port Plug Requirements, Dimensions, Design, and Test Methods SAE J2435Welded Flash Controlled, SAE 1021 Carbon Steel for Bending and Flaring SAE J2467Welded and Cold-Drawn, SAE 1021 Carbon Steel for Bending and Flaring 2.2.2ISO PUBL
19、ICATIONSAvailable from ANSI, 25 West 43rd Street, New York, NY 10036-8002. ISO 1302Technical drawingsMethod of indicating surface texture on drawings ISO 2944Fluid power systems and componentsNominal pressures ISO 3304Plain end seamless precision steel tubesTechnical conditions for delivery ISO 3305
20、Plain end welded precision steel tubesTechnical conditions for delivery ISO 3448Industrial liquid lubricantsISO viscosity classifications ISO 10763Hydraulic fluid powerPlain-end, seamless, and welded steel tubesDimensions and nominal working pressures 2.2.3ASME PUBLICATIONSAvailable from The America
21、n Society of Mechanical Engineers, 345 East 47th, New York, NY 10017. ASME B46.1Surface Texture (Surface Roughness, Waviness, and Lay) SAE J2337-2 Issued OCT2002 -3- 2.2.4ASTM PUBLICATIONSAvailable from ASTM, 100 Barr Harbor, West Conshohocken, PA 19428-2959. ASTM B 633Standard Specification for Ele
22、ctrodeposited Coatings of Zinc on Iron and Steel 3.DefinitionsFor the purpose of this document, the definitions given in ISO 5598 and the following shall apply: 3.1Fluid Power(From ISO 5598) Means by which energy is transmitted, controlled, and distributed using a pressurized fluid as the medium. 3.
23、2Connector(From ISO 5598) Leak proof device to connect pipelines (conductors) to one another, or to equipment. 4.Requirements 4.1Material 4.1.1STUD ENDSStud ends shall be manufactured from carbon steel that will exceed the minimum pressure/ temperature requirements specified in Table 1 and 4.1.2. CA
24、UTIONFor materials other than steel, contact the manufacturer. 4.1.2TEMPERATURECarbon steel connectors shall meet the working pressures when used at temperatures between 40 C and +125 C. For temperatures outside these ranges, the manufacturer shall be consulted. 4.2DesignSee Figures 1 and 2 and Tabl
25、e 2 for Dimensions. TABLE 1PERFORMANCE REQUIREMENT Nom Tube OD mm Inch Nom Tube Dash Size d Thread Size Working Pressure MPa Proof Pressure MPa Burst Pressure MPa Impulse Pressure MPa Qualification Test Torque Nm +10% 0% Over Torque Test Nm 64M14 X 1.580160320106 2435 106M18 X 1.580160320106 3451 12
26、8M22 X 1.58016032010670105 1610M27 X 280160320106120180 2012M30 X 263126252 84182273 2516M39 X 263126252 84275413 3020M45 X 250100200 67320480 3824M50 X 240 80160 53400 600 SAE J2337-2 Issued OCT2002 -4- FIGURE 1DESIGN FOR SMALL BODY M14 THROUGH M30 INCLUSIVE SAE J2337-2 Issued OCT2002 -5- FIGURE 2D
27、ESIGN FOR LARGE BODY M39 THROUGH M50 INCLUSIVE SAE J2337-2 Issued OCT2002 -6- TABLE 2BODY DIMENSIONS All dimensions in mm Nom Tube OD mm Inch Nom Tube Dash Size d Thread Class 6g (1) 1.In accordance with ISO 261. d5 +0 0.1 d6 +0 0.1 d7(2) +0 0.1 2.May be different with another method of nut attachme
28、nt. d8 Drill Nom d8 Drill TOL d9 0.05 d10 0.15 d11 0.05 d12 0.1 L5 MIN L6 0.3 L7 0.2 L8 0.15 L9(2) +0.1 0 Angle +0 0.5 64M14 X 1.5 9.8 9.65 7.85 4.30.1 5.9 8 8.5 30.5 3.5 25.7 4.52.121 106M18 X 1.513.112.9510.75 6.70.2 8.911 11.5 31.5 3.5 26.5 4.52.121 128M22 X 1.516.916.7514.1 9.60.212.915 15.534 3
29、.5 30.1 4.52.921 1610M27 X 221.120.9518.212.30.215.4 17.51841 3.537 7.52.921 2012M30 X 224.0523.920.3515.50.217.920 20.5444 38.584.125 2516M39 X 231.8531.727.520.6+0.222.4 24.52528.1444 38.5 8.24.125 3020M45 X 238.6538.4534.5526.8+0.328.4 30.53134.95485 41.3 10.24.125 3824M50 X 244.0543.8539.932.0+0
30、.335.4 37.53841.5548542 10.24.125 SAE J2337-2 Issued OCT2002 -7- 4.3Manufacturing 4.3.1GENERAL WORKMANSHIPWorkmanship shall conform to the best commercial practice to produce high quality stud ends. Stud ends shall be free from visual contaminants, all hanging burrs, loose scale, and slivers which m
31、ight be dislodged in use and any other defects that might affect the function of the stud ends. 4.3.2SURFACE FINISHUnless otherwise specified, surface finish on all machined surfaces shall be Ra 6.3 m or Ra 3.2 m in all seal grooves. 4.3.3PLATINGThe external surfaces and threads of all carbon steel
32、connectors shall be plated or coated with a suitable material that passes 72 h salt spray test in accordance with ASTM B 117 (ISO 9927). Any appearance of red rust during the 72 h salt spray test shall be considered failure. NOTE Cadmium plating is not allowed due to environmental reasons. 4.3.4EXCE
33、PTIONSThe following exceptions to the plating requirements apply: Corrosion protection requirements do not apply to the corners or edges such as hex points, serrations, and the crest of threads. 5.Test Methods and Quality Procedures 5.1Test ProceduresTest procedures shall be in accordance with SAE J
34、1644. 5.2Test FrequencyQualification testing shall be required when there is a change in design, material, or processing. 5.3Required Tests and Sample SizeThe required sample size is 2 vacuum, 3 proof, 3 burst, 6 impulse, and 3 over torque in accordance with Table 1 and reported on form from SAE J16
35、44. 6.Dimensions 6.1Stud EndsStud ends shall conform to the dimensions shown in Figures 1 and 2 and Table 2, except as noted. 6.2Screw ThreadsThe screw threads on the nuts shall be metric threads to ISO-261. 6.3Hex Tolerances Across FlatsHex Tolerances across flats shall be according to ISO 4759-1 p
36、roduct grade C. Minimum across corner dimensions are 1.092 times the nominal width across flats. The minimum side flat is 0.43 times the nominal width across flats. See Figure 3. 6.4Hex ChamfersUnless otherwise specified or shown, hex corners are chamfered 15 to 30 degrees to a diameter equal to the
37、 width across flats, with a tolerance +0.0 mm 0.4 mm. 6.5Hex TolerancesTolerances for across flats shall be +0 0.3 up to 19 mm, +0 0.4 24 mm to 32 mm, and +00.6 41 mm to 52 mm. 6.6NutThe nut shall conform to the dimensions shown in Figure 4 and Table 3, except as noted. One of the ring options is sh
38、own in Figure 5 and Table 4. Manufactures may use their own ring and groove design, but must meet the performance requirements of Table 1. 6.7Marking of NutsNuts shall be permanently marked with manufacturers name or trademark. A Code identifier, as agreed upon between purchaser and manufacturer, ma
39、y be used instead of the manufacturers name or trademark. SAE J2337-2 Issued OCT2002 -8- FIGURE 3HEX DETAILS FIGURE 4NUT SAE J2337-2 Issued OCT2002 -9- TABLE 3NUT DIMENSIONS All dimensions in mm Nom Tube OD mm Inch Nom Tube Dash Size d Thread Class 6g (1) 1.In accordance with ISO 261. S Hex d13 0.1
40、d14 0.05 d15 +0.05 0 d16 0.05 d17(2) +0.1 0 2.May be different with another method of nut attachment. d18 +0 0.1 d27 0.15 L11 0.2 L12 0.2 L13 0.1 L14 0.1 L15 0.2 L16(2) 0.1 64M14 X 1.5151412.27 9.82 9.911.5 11.711.91 2.3 3.7 8.3 19.11.4 106M18 X 1.5191815.613.1213.214.4 15.715.61 2.3 3.7 9.2201.4 12
41、8M22 X 1.5242219.3516.921719.4 19.719.81 2.3 3.711.1220.8 1610M27 X 228 27.523.5721.12 21.2523.55242413413.2260.8 2012M30 X 232 30.526.5424.0724.226.42727 1.53412 26.71.3 2516M39 X 241 39.534.331.873234.553636 1.53412.1 26.81.3 3020M45 X 246 45.541.0538.6738.8541.254242 2.53413.8 28.51.3 3824M50 X 2
42、52 50.546.4344.0744.2546.754747 2.53414.3 29.31.6 SAE J2337-2 Issued OCT2002 -10- FIGURE 5RETAINING RINGS TABLE 4RETAINING RING DIMENSIONS All dimensions in mm Nom Tube OD mm Nom Tube Dash Size d Thread Ref d24 +0.1 0 d25 +0 -0.13 L19 0.07 L20 0.03 L21 0.05 64M14 X 1.5 811.45 9.74.852 106M18 X 1.510
43、.914.3512.66.32 128M22 X 1.514.2519.3516.88.42.8 1610M27 X 218.3523.520.910.452.8 2012M30 X 220.5 26.3523.411.74 2516M39 X 227.6534.531.115.554 3020M45 X 234.741.237.918.954 3824M50 X 240.0546.743.421.74 SAE J2337-2 Issued OCT2002 -11- 6.8See Figure 6 for typical assembly drawing. (See note 1). FIGU
44、RE 6ASSEMBLY DRAWING 7.RingIf retaining rings are utilized for nut attachment, the manufacturer may use the ring designs defined in Figure 5 and Table 4, or a ring and groove in accordance with manufacturers own design. When assembled with body and nut, the ring (or rings) must be capable of meeting
45、 the performance requirements of Table 1. 8.O-RingsO-Rings used with stud ends and nut barrier seals shall conform to the dimensions given in ISO3601-1, AS 568A, or SAE J515 as shown in Table 5. 8.1Material specifications for Stud End O-Rings are in accordance with SAE J515. Stud End O-Rings shall b
46、e Nitrile Elastomer, 90 durometer hardness and are good for temperature range of 35 to +125 C for petroleum based fluids. Material specifications for Barrier Seals may include general purpose 70 durometer Nitrile compounds. SAE J2337-2 Issued OCT2002 -12- PREPARED BY THE SAE FLUID CONDUCTORS AND CON
47、NECTORS TECHNICAL COMMITTEE SC1 AUTOMOTIVE AND HYDRAULIC TUBE AND FITTING TABLE 5O-RINGS (ISO 3601, AS 568, AND SAE J515) SIZE CODES AND CROSS SECTION Nom Tube OD mm Inch Nom Tube Dash Size d Thread Size Ref Stud End O-Ring 90 durometer min code cross section Barrier Seals Nut ID 70 durometer min co
48、de cross section Barrier Seals Nut OD 70 durometer min code cross section 64M14 X 1.5A0056G(5.6 X 1.8) AS-009(5.28 X 1.78) A0095G(9.5 X 1.8) AS-012(9.25 X 1.78) 178X0092H(9.25X1.78) A0112G(11.2 X 1.8) AS-013(10.82 X 1.78) 106M18 X 1.5A0090G(9.0 X 1.8) AS-012(9.25 X 1.78) 178X0092H(9.25X1.78) A0125G(
49、12.5 X 1.8) AS-014(12.42 X 1.78) 178X0124H(12.42X1.78) A0150G(15.0 X 1.8) AS-016(15.60 X 1.78) 178X0192Y(15.72X1.78)(1) 1.These seals are OD toleranced O-Rings in SAE J515. Dimensions have been converted to ID size in this table. 128M22 X 1.5A0125G(12.5 X 1.8) AS-014(12.42 X 1.78) 178X0124H(12.42X1.78) A0170G (17.0 X 1.8) AS-017 (17.17 X 1.78) A0190A (19.0 X 1.8) AS-018(18.77 X 1.78) 1