1、NOTE: MIL-STD-2189-243-1 has been redesignated as a handbook, and is to be used for guidance only. This document is no longer to be cited as a requirement. For administrative expediency, the only physical change from MIL-STD-2189-243-1 is this cover page. If cited as a requirement, contractors may d
2、isregard the requirements of this document and interpret its contents only as guidance. I INCH-POUND I MIL-HDBK-2189(SH) SECTION 243 - 1 30 AUGUST 1994 DEPARTMENT OF DEFENSE MILITARY HANDBOOK DESIGN METHODS FOR NAVAL SHIPBOARD SYSTEMS SECTION 243-1 PART 1 PROPULSION SHAFTING AMSC N/A AREA GDRQ DISTR
3、IBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. MIL-STD-2189(SH) SECTION 243-1 FOREWORD 1. This military standard is approved for use by the Naval Sea Systems Command, Dep
4、artment of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. Beneficial comments (recommendations, additions, deletions) and any pertinent data that may be of use in improving this document should be addressed to Commander, Naval Sea Systems Command, SE
5、A 03R42, 2531 Jefferson Davis Hwy, Arlington, Va 22242-5160 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the 2. _ end of this document or by letter. 3. in a design data sheet (DDS) 243-1, but are now being published as part of a supporting sec
6、tion of MIL-STD-2189(SH) to promote its wider availability throughout the Department of Defense. The design methods presented in this document were formerly presented ii Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-2189(SH) SECTION 243-1 C
7、ONTENTS Page Paragraph 1. 1.1 1.2 2. 2.1 2.1.1 2.1.2 2.2 2.3 3. 3.1 3.2 3.3 4. 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10 4.11 4.12 4.13 4.14 4.15 4.16 4.17 4.18 4.19 4.20 4.21 4.22 4.23 4.24 1 1 SCOPE General . Scope . .1 2 2 2 2 3 4 5 5 5 9 GENERAL REQUIREMENTS . 10 Design, requirements 10 Material
8、selection . 10 Waterborne -vs- line shafting 10 Solid or hollow shafts . 10 Hollow (bored) shafting 10 Shafts with multiple bores . 10 Design nominal outside diameter of shafting .,. 10 Nominal outside diameter of waterborne shafting 10 Nominal outside diameter of line shafting and thrust shaft 12 I
9、n-air and waterborne conditions . 12 Bearing support points 12 Design torque 12 Steady and alternating stresses ,. 12 High localized stresses 12 Alternating (vibratory) torsional shear stresses. 13 Vibration 13 Gravity moments 14 Shaft bore components 14 Bending stresses and moments for waterborne s
10、hafting 14 Shaft bending stress limit . 14 Factors of safety 14 Treatment of clad weld inlays 14 Submarine shaft sleeve groove-resultant alternating stress limit 14 Propeller nut shaft threads undercut . 14 APPLICABLE DOCUMENTS . Government documents Specifications and standard . Other Government do
11、cuments, drawings, and publications . Non-Government publications . Order of precedence . DEFINITIONS . Usual meanings Abbreviations and symbols . System of units . iii Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-2189(SH) SECTION 243-1 CO
12、NTENTS Pane Paragraph 5 . DETAILED REQUIREMENTS 16 Design . loads . 16 5.2 Stresses 16 5.3 Clad weld inlay . .I. . 16 5.4.1 Steady stresses : 16 Torsional load 16 5.4.1.1.1.Additional torque for full power turns 5.4.1.2 Steady shear stress 16 5.4.1.3.1 Surface ships . 17 5.4.1.3.2 Submarines . 17 5.
13、4.1.4 Steady compressive stress 17. 5.4.1.5 Resultant steady stress 17 5.4.2 . Alternating stresses . 18 5.4.2.1 Bendhg moments 18 5.4.2.1.1 Gravity bending moments . : 5.4.2:1;2 Off-cenker moment - waterborne shafting. only . 5.4.2.2 Stress concentration factors . 19 5.4.2.2.1 Stress concentration
14、at keyway fillets . 5.4.2.2.2 Stress conc.entration at flange illets . 5.4.2.2.3 Oil holes in shafting 5.4.2.3 Bending stress . 19 5.4.2.5 Resultant alternating stress . 23. 5.4.3 Factor of .safety . 23 5.5- Shaft.s with cld weld inlay . i . 23- 5.5.1 Steady stresses 23 5.5.1.1 . Torsional load . 23
15、 5.5i1.2 Steady shear stress . 23 5.5.1.4 Steady compressive stress . 24 5.5.2 . Alternating stresses 24 5.5.2:l Bndng moments 1- . 24 5.5 2 2 Stress concentration factors: . 25 5.5.2.3: . Bending stres.s . 25 . 5.5.2.4. Alternating (vibratory) torsional shear stress 25 5.5.2.5 Resultant alternatng
16、. stress- . 26 Factor of safety . 26 5.5.3 5.6 Shafting components i. 26 5.6.1 . Submarine sleeve at main shaft . seal 26 5:6.1.1 Resultant alternating. stress 27 5.6.2. Key and keyway design . ; . 27 5.6.2:l Nomenclature . 27 . .5.6. 2.2 Design formulas 30 . 5.6.3. . .Shaft coupling bolts . : 31 5.
17、6.4, Propeller nut shaft threads undercut tensile stress 31 5.7 Design examples . 32 5.1 . 5.4 Shafting design equations . 16 5.4 1.1 16 5.4.1.3 Thrust load .:.i.:. 16 18 18 19 19 19 5.4.2.4 . Alternating (vibratory) torsional shear s.tress. . 19 5.5.1.3 . Thrust load 24 .5.5. 1.5 24 .Resultant stea
18、dy stress . .: : . i. . iv Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-2189(SH) SECTION 243-1 CONTENTS J Paragraph 6. 6.1 6.2 6.3 Figure 1. 2. 3. 4. 5. 6. 7. 8. 9. Table I. II. III. IV. V. VI VII. VIII. IX . X. XI. XII. APPENDIX A. B. NOT
19、ES 33 Intended use 33 Issue of DODISS . 33 Conventions of arithmetic in numerical examples. 33 FIGURES Stress Concentration Factors at Keyway Fillets, in Torsion . 20 Stress Concentration Factor, K, for Bending at Flange Fillet . 21 Stress Concentration Factor, K, for Torsion at Flange Fillet . 22 P
20、ropeller Key 28 Inboard Coupling Key . 29 Submarine Shafting System 35 Submarine Shafting System: aftermost bearing support point . 55 Controllable Pitch Propeller Shafting System *. 67 Controllable Pitch Propeller Shafting System: 79 Aftermost Bearing Support Point . TABLES Mechanical properties of
21、 shafting and sleeve materials . Bending moments for surface ships and submarines. Factors of safety for propulsion shafting Allowable shearing stress for key materials Allowable compressive stress for key materials . Submarine shafting system maximum gravity bending moments . Tabulation of overhung
22、 bending moment, Mp, at station 637.00 Shaft stresses and factors of safety . Surface ship controllable pitch propeller system gravity bending moments . Tabulation of overhung bending moment, Mp, at station.1201.00 . Tabulation of overhung bending moment, Mp, at station 1228.08 . Shaft stresses and
23、factors of safety APPENDICES 11 15 15 30 31 37 58 65 69 80 90 94 SAMPLE CALCULATIONS, SUBMARINE SHAFTING SYSTEM 34 SAMPLE CALCULATIONS, SURFACE SHIP CONTROLLABLE PITCH PROPELLER SHAFTING SYST EM 66 V Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI
24、L-STD-2189(SH) SECTION 243-1 1. SCOPE 1.1 General. The procedures established by MIL-STD-2189(SH) are applicable. This section and the basic standard are to be considered as an integral single document. 1.2 Scope. This document applies to the propulsion shafting design of all naval ships, surface an
25、d submarine, single- or rnultiple-shaft. 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-2189(SH) SECTION 243-1 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and standards
26、 form a part of this document to the extent specified-herein. otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense-Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). Unless SPECIFICATION
27、S FEDERAL QQ - N - 2 8 1 - Nickel-Copper Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, and Structural and Special Shaped Sections QQ- N - 28 6 MILITARY MIL-C-24615 MIL-E-21562 MIL-E-22200 MIL-E-22200/3 - MIL-S-23284 - MIL-S-24093 - STANDARD MILITARY MIL-STD-167-2 - Nickel-Copper-Aluminum Allo
28、y, Wrought (UNS N05500) Castings, Nickel-Chromium-Molybdenum- Columbium Alloy Electrodes and Rods - Welding, Bare, Nickel Alloy Electrodes, Welding, Covered: General Specification for Electrodes, Welding, Covered: Nickel Base Alloy; and Cobalt Base Alloy. Steel Forgings, Carbon and Alloy, for Shafts
29、, Sleeves, Propeller Nuts, Couplings, and Stocks (Rudders and Diving Planes). Steel Forgings, Carbon and Alloy Heat Treated Mechanical Vibrations of Shipboard Equipment (Reciprocating Machinery and Propulsion System and Shafting) Types III, IV, and V. (Unless otherwise indicated, copies of federal a
30、nd military specifications, standards, and handbooks are available from the Standardization Documents Order Desk, BLDG. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2 Other Government documents. drawings. and uublications. The following other Government documents, drawings, and publicat
31、ions form a part 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-2189(SH) SECTION 243-1 of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DRAWING Naval Sea Systems C
32、ommand (NAVSEA) NAVSHIPS 803-2145807 - Propulsion Shafting and Components. (Application for copies should be addressed to: Commander, Portsmouth Naval Shipyard, Code 202.2, Portsmouth, NH 03801.) PUBLICATIONS Naval Sea Systems Command NAVSEA 0900-LP-090-3020 - Guide 1 ine s to MIL-STD-167-2(SHIPS) M
33、echanical Vibrations of Shipboard Equipment. (Applications for copies should be addressed to the Standardization Documents Order Desk, BLDG. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.2 Non-Government publications. The following document(s) form a part of this document to the extent spe
34、cified herein. Unless otherwise specified, the issues of the documents which are DOD adopted are those listed in the issue of the DODISS cited in the solicitation. the issues of documents-not listed in the DODISS are the issues of the documents cited in the solicitation (see 6.2). Unless otherwise s
35、pecified, American Society For Testing and Materials (ASTM) B 138 - Standard Specification for Manganese Bronze Rod, Bar, and Shapes. (DOD adopted) B 150 - Standard Specification for Aluminum Bronze Rod, Bar, and B 369 - Standard Specification for Copper-Nickel Alloy Castings. (Application for copie
36、s should be addressed to the American Society for Shapes. (DOD adopted) Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) Peterson, R. E., Stress Concentration Factors, John Wiley and Sons, New York; 1974. (Application for copies should be addressed to the publisher. A copy may be co
37、nsulted in the technical library of the Naval Sea Systems Command.) (Non-Government standards and other publications are normally available from the organizations that prepare or distribute the documents. These documents also may be available in or through libraries or other informational services.)
38、 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-2189(SH) SECTION 243-1 2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein (except for related associated detail specificatio
39、ns, specifications, specification sheets or MS standards), the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted w
40、ithout license from IHS-,-,-MIL-STD-2189(SH) SECTION 243-1 3. DEFINITIONS 3.1 Usual meanings. Unless otherwise defined herein, the terms used 3.2 ,Abbreviations and symbols. Abbreviations and symbols used in this have their usual dictionary meanings appropriate to the context. document are listed he
41、re for convenient reference. On occasion, the same symbol is used with a different intended meaning from that listed. event the symbol is specially annotated to make its meaning clear in the particular application. In that MeaninR Cross-sectional area of shaft Cross-sectional area of shaft base mate
42、rial Bolt cross-sectional area at parting surface Cross-sectional area of clad weld inlay Aluminum Largest area affected by hydrostatic pressure aft of the main shaft seal Largest area affected by hydrostatic pressure forward of the main shaft seal Cross-sectional area of shaft at propeller nut shaf
43、t threads undercut Effective length of key Contact depth of keyway Columbium (also known as niobium, Nb) Key Chamfer Chromium Center of gravity Copper Diameter of bolt Bolt circle diameter Outside diameter of flange Sleeve groove outside diameter at Diameter at midpoint of contact depth Diameter of
44、shaft taper at midlength Outside diameter of propeller shaft Outside diameter at small end of shaft Diameter of thrust collar Diameter of undercut at propeller nut Propeller shaft reduced bore diameter Outside diameter of propeller nut Outside diameter of shaft threads Shaft modulus of elasticity Sh
45、aft base material modulus of elasticity Clad weld inlay material modulus of elasticity Sleeve modulus of elasticity bottom of groove (b,) at midlength of Be of Be aft flange propeller taper shaft threads Units inch2 inch2 inch2 inch2 inch2 inch2 inch2 inch inch inch inch inch inch inch inch inch inc
46、h inch inch inch inch inch inch inch lb/in2 lb/in2 lb/in2 lb/in2 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-2189(SH) SECTION 243-1 Meaning Effective horsepower Maximum push up force developed by Fatigue limit Fatigue limit of shaft bas
47、e material Fatigue limir: of clad weld inlay Factor of safety Factor of safety at weld-to-shaft base material interface Factor of safety at outer diameter of clad weld inlay Factor of safety at propeller nut shaft threads undercut Shaft shear modulus Shaft base material shear modulus Clad weld inlay
48、 material shear modulus Sleeve shear modulus Depth of keyway at midlength of Be Area moment of inertia of shaft Area moment of inertia of shaft base Shaft inside diameter Area moment of inertia of sleeve propeller nut (straight side plus corner radius) mat er i al groove Area moment of inertia of cl
49、ad weld inlay material Polar moment of inertia of shaft Polar moment of inertia of shaft base mat er i al Polar moment of inertia of sleeve groove Polar moment of inertia of clad weld Stress concentration factor in bending Stress concentration factor in torsion Distance between bearings Distance from start of shaft taper to Length of propeller nut Distance from a
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