NAVY DOD-STD-2182-1985 ENGINEERING CHROMIUM PLATING (ELECTRODEPOSITED FOR REPAIR OF SHAFTING (METRIC)《电沉积修复制轴材料工程镀铬(公制)》.pdf
《NAVY DOD-STD-2182-1985 ENGINEERING CHROMIUM PLATING (ELECTRODEPOSITED FOR REPAIR OF SHAFTING (METRIC)《电沉积修复制轴材料工程镀铬(公制)》.pdf》由会员分享,可在线阅读,更多相关《NAVY DOD-STD-2182-1985 ENGINEERING CHROMIUM PLATING (ELECTRODEPOSITED FOR REPAIR OF SHAFTING (METRIC)《电沉积修复制轴材料工程镀铬(公制)》.pdf(14页珍藏版)》请在麦多课文档分享上搜索。
1、DOD-STD-2182 UF m 79777LL 0088289 O m 4 -13 -22 e 29 January 1985 SUPERSEDING NAVSEA 0919-LP-000-9010 January 1967 MILITARY STANDARD ENGINEERING CHROMIUM PLATING (ELECTRODEPOSITED) FOR REPAIR OF SHAFTING (METRIC) NO DELIVERABLE DATA REQUIRED BY THIS DOCUMENT AREA WFP THIS DOCUMENT CONTAINS -14 PAGES
2、 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. _ _. - DOD-STD-2182 MF 777771L 0088270 7 DOD-STD-2182(SH) 29 January 1985 DEPARTMENT OF THE NAVY NAVAL SEA SYSTENS COMFIAND Washington, DC 20362 Engineering.Chromium Plating (Electrodeposited) for Re
3、pair of Shafting (METRIC ) DOD-STD-2182(SH) 1. Command, Department of the Navy, and is available for use by all Depar.tments and Agencies of the Department of Defense. 2. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document
4、 should be addressed to: Commander, Kaval Sea Systems Command, SEA 5523, Department of the Navy, Washington, DC 20362 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. This Military Standard is approved for us
5、e by the Naval Sea Systems .- - ii Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DOD-STD-2182(SH) 29 January 1985 FOREWORD 1. ment of shafting. This Military Standard provides instruction for the repair and refurbish- 2. Industrial chromium or hard
6、 chromium is used for wear resistance, abrasion resistance and such incidental corrosion protection of parts as the specified thickness of the plating may afford. t iii Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_ - -_ - . - _ - _ DOD-STD-2382 M
7、F = 7999733 0088272 O Paragraph 1. 1.1 2. 2.1 2.2 3. 4. 5. 5.1 5.1.1 5.1.2 5.1.3 5.1.4 5.1.5 5.2 5.3 5.3.1 5.3.2 5.4 5.4.1 5.4.2 5.5 5.6 5.6.1 5.6.2 5.6.3 5.6.4 5.6.5 5.6.6 5.6.7 5.6.8 5.6.9 5.6.10 5.6.11 5.6.12 5.7 5.8 5.8.1 5.8.2 5.8.3 5.8.4 5.8.4.1 CONTENTS Page 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3
8、4 4 4 4 4 4 4 4 5 5 5 5 5 5 6 6 6 6 iv Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. DOD-STD-2182(SH) 29 January 1985 CONTENTS - Continued Page Paragraph 5.8.4.2 5.8.4.3 5.8.4.4 5.8.4.5 5.9 5.9.1 5.9.2 5.9.2.1 5.9.2.2 5.9.3 5.9.4 5.9.5 5.9.6 5.9.
9、7 APPENDIX v/vi Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DOD -STD - 2 182 (SH) 29 January 1985 1. SCOPE 1.1 Scope. This Military Standard establishes uniform standards for repair and refurbishment of shafting not subject to sea water service.
10、2. REFERENCED DOCUMENTS 2.1 Issues of documents. The following documents, of the issue in effect on date of invitation for bids or request for proposal, form a part of this standard to the extent specified herein. SPECIFICATIONS MILITARY MIL-S-851 - Steel Grit, Shot and Cut Wire Shot; and Iron Grit
11、and Shot - Blast Cleaning and Peening. MIL-S-5002 - Surface Treatments and Inorganic Coatings for Metal Surfaces of Weapons Systems. MIL-G-9954 - Glass Beads: For Cleaning and Peening. MIL-R-81841 - Rotary Flap Peening of Metal Parts. MIL-P-81985 - Peening of Metals. STANDARDS MILITARY MIL-STD-271 -
12、 Nondestructive Testing Requirements for Metals. (Copies of specifications and standards required by contractors in connec- tion with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 2.2 Other publications. The following docu
13、ments form a part of this standard to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply * ASTM B 487 - Measurement of Metal and Oxide Coating Thickness by Microscopical Examination of a Cross Section. (DoD
14、adopted) Method: (DoD adopted) B 499 - Measurement of Coating Thickness by the Magnetic Nonmagnetic Coating on Magnetic Basis Metals. B 571 - Adhesion of Metallic Coatings. B 578 - Microhardness of Electroplated Coatings. B 630 - Preparation of Chromium for Electroplating with E 8 - Tension Testing
15、of Metallic Materials. (DoD adopted) Chromium. 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DOD-STD-2182 MF M 7777711 0088275 b I- DOD- STD- 2 18 2 (SH) 29 January 1985 (Application for copies should be addressed to ASTM, 1916 Race Street, PhiIa
16、delphia, PA 19103.) (Technical society and technical association specifications and standards axe generally available for reference from libraries. huted among technical groups and using Federal agencies.) They are also distri- 3. DEFINITIONS Not applicable. 4. GENERAL REQUIREMENTS E Not app 1 icab
17、le. 5 DETAILED REQUIREWENTS 5.1 Mechanical pretreatment. Shafts for repair or refurbishment shall be prepared as specified in 5.1.1 through 5.1.5. 5.1.1 Blemish removal and reduction of shaft diameter. Slivers, burrs, grooves, pits, nicks and other surface blemishes in the area to be plated shall be
18、 completely removed, would result in excess reduction of the shaft dimension, may be repaired by brush-on application of nickel undercoat. reduction shall be uniform in diameter for its entire length except at fillets, and shall be concentric with the shaft axis. The final surface shall be free of g
19、rinding or heat checks. made in a manner to assure compliance with the plating thickness limitation specified in 5.6.3. The removal of randomly located pits or grooves, which Final removal of metal for diameter a Removal of metal in preparation for plating shall be 5.1.2 Length of reduced diameter s
20、ection. The length of reduced diameter section shall extend at least 3 millimeters (mm) (1/8 inch) beyond both ends of the bearing surface and where applicable, beyond the limits of carbon ring, labyrinth ring or packing gland in which the shaft will operate. at abrupt changes in shaft diameter or c
21、rank throws shall not be reduced or otherwise altered. Radius of curvature at ends of reduced diameter section, except at shaft shoulders shall be 0.5 mm (0.020 inch) minimum. The fillets 5.1.3 Crankshaft fillet. The diameter of any crankshaft bearing surface shall not be reduced within 1.5 mm (1/16
22、 inch) of fillet, (tangent point). Ends of reduced diameter sections of crankshafts shall be chamfered to approxi- mately 45 degrees. Grinding wheels used for reducing diameter shall be dressed to corner radius of not less than 0.8 mm (1/32 inch). 5.1.4 Keyways and shaft shoulders. If a part which h
23、as to be built up contains a keyway which is worn oversize, the keyway shall be reconditioned prim to surface preparation for the plating build-up. Sharp edges of keyways and shaft shoulders shall be removed by beveling with a hand stone or portable grinder. The fillet radius at the shoulder and red
24、uced diameter section shall be not less than 0.8 mm (1/32 inch). The boundaries of areas to be plated and adjoining areas shall be blended by buffing or polishing. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DOD-STD-2182(SH) 29 January 1985 5.1
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