1、I I l I I l l 1 I I 1 I t I I I l I I I I I t I I I I I I l I l I I I , I I 1 MIL-W-39708 14 W 9999306 0363347 s -s-aq MIL-W-83970B(USAE) 25 JAN 88 SUPERSEDING MIL-W-83970A (USAE) 16 JANUARY 1981 MILITARY SPMIIFICATION WING AND ROLLERON ASSEMBLY, AIM-9 This specification is approved for use within t
2、he Department of the Air Force and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the wing, fairing and rolleron assembly, referred to herein as the assembly. rolleron. the bearing. The rolleron assembly is referred to
3、 as the The bearing assembly is part of the rolleron and is referred to as 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards and handbooks. The following specifications, standards, and handbooks form a part-of this specification to the extent speci- fied herein. those
4、 listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation. Unless otherwise specified, the issues of these docments shall be SPECIFICATIONS Federal QQ-W-4 2 3. Wire, Steel, Corrosion-Resisting QQ-S-763 Steel Bar
5、 Wire, Shape and Forging - Corrosion Resisting QQ-S-766 Steel Plates, Sheets, and Strip, Corrosion Resisting Mi 1 itar y MIL-B-197 Bearings, Antifriction; Associated Parts and Subassemblies; Preparation and Delivery of Beneficial comnents (recormendation, additions, deletions) and any pertinent data
6、 which may be of use in improving this docunent should be addressed to: addressed Standardization Docment Improvement Proposal (DD Form 1426) appearing at the #end of this docment or by letter. WR-ALC/MMEDTB, Robins AFB, GA 31098-5906 by using the self AMSC N/A FSC 1420 DISTRIBUTION STATEMENT A. App
7、roved for public release; distribution is un1 imi ted. THIS DOCUMENT CONTAINS 1 PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-83770B 14 7777706 0363348 T M MIL-W-83970B MIL-1-6875 Heat Treatment of Steel, Process for MIL-A-8421 MIL-P-9
8、024 MIL-1-45208 Inspection System Requirements MIL-G81322 Air Transportability Requirements, General Specification for Packaging, Materials Handling and Transportability System, and System Segments, General Specification for Grease, Aircraft, General Purpose, Wide Temperature Range STANDARDS Militar
9、y MIL-STD-105 MIL-STD-129 MIL-STD-45662 Calibration System Requirements Samp1,rig Procedures and Tables for Inspection by Attributes Marking for Shipnent and Storage 2.1.2 Other Government documents,drawings, and publications. The following other Government docunents, drawings, and publications form
10、 a part of this specification to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on the date of the solicitation. DRAW1 NG S AIR FORCE 69 E33005 69C33157 Rolleron Assembly, Wing 7031263 Bearing, Rolleron Wing and Rolleron Assembly TECHNICAL PACKING ORDER
11、TPO 1420-410-0996AB Wing and Rolleron Assembly AIR FORCE TECHNICAL ORDER T .O. 00-25-203 Standard Functional Criteria for Design and Operation of Clean Rooms 2.2 Other Publications. cation to the extent specified herein. of the documents which are DOD adopted shall be those listed in the issue of th
12、e DODISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS shall be the issue of the non- government documents which is current on the date of the solicitation. The following docunents form a part of this specifi- Unless otherwise specified,
13、the issues AMERICAN SOCIETY FOR TESTING AND MATERIALS ASTM-D1457 (Applications for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103) Materials, PTFE Molding and Extrusion ANIT-FRICTION BEARING MANUFACTURERS ASSOCIATION AFBMA 10 Me
14、tal Bails ABEC-7 Standards of the Annular Bearing Engineers Cornittee (ABEC) of the AFBMA. -2- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-83770B I4 7777906 03631119 I U - MIL-W-83970B I I I I I l 1 I l 1 l I I I 1 l i I I I I I I I I I I 1
15、 I I I I i i I I I f 1 I (Applications for copies should be addressed to the Anti-Friction Bearing Manufacturers Association, Inc., 2341 Jefferson Davis Highway, Arlington VA 22202). NON-GOVERNMENT DRAWINGS FORD AEROSPACE AND COMMUNICATION CORPORATION (CAGE 09205) 143520 Rolleron Assembly 143526 Bea
16、ring, Rolleron (Applications for copies should be requested from the contracting activity or as directed by the contracting activity). 2.3 Order of precedence. specification and the references cited herein (except or associated detail specifications, specification sheets or MS standards), the text o
17、f this specifi- cation shall take precedence. supersede applicable laws and regulations unless a specific exemption has been obtained. In the event of a conflict between the text of this Nothing in this specification, however, shall 3. REQUIREMENTS 3.1 Design and construction. ing 69333005 and shall
18、 contain the following items of major eguipnent. The assembly shall meet the requirements of Draw- a. Wing and fairing assembly b. Rolleron assembly c. Hinge d. Bearings The wing assembly consists of a fixed aerodynamic surface (the wing) to which is attached, by means of a canted damm hinge, a mova
19、ble aerodynamic surface (the rolleron). by the missile slipstream. The rolleron is actuated by a gyroscope wheel which is driven The action of the rolleron minimizes missile roll. The damper assembly provides a damping and stabilizing action on the rolleron and basically is a hydraulically damped hi
20、nge. The cager is a longitudinal slot in the base of the rolleron assembly which seats on the wing plate, Its function is to hold the rolleron in a neutral position until missile launch. During missile launch, inertia forces, re- sulting from missile acceleration, cause the rolleron to move up the d
21、amper shaft until the slot clears the wing plate releasing the rolleron and allowing the rolleron to pivot about the damper axis. The bearings shall be nonseparable ball bearing assemblies with an outer ring land-riding retainer, having straight through ball pockets (no ledge). Open side ball pocket
22、s for snap type assembly shall not be allowed. -3- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-83770B LY 777770b 0363350 H MIL-W-83970B 3.2 Preproduction sample. chase order, a preproduction sample of 12 assemblies shall be used for pre- pr
23、oduction testing. The preproduction sample shall be manufactured using the same procedures that will be used for production. approval of the preproduction sample shall be at the contractors risk. Upon completion of testing, all sample assemblies shall be delivered with a certified final report to th
24、e procuring activity. The rolleron bearings used in the preproduction sample shall be of the same quality as the bearings used in the production lots and shall be procured from the same manufacturer. Should it be deemed desirable to use bearings supplied by an alternate manufacturer, it shall be man
25、datory to test a separate preproduction sample which contains these alternate bearings. 3.3. Bearing characteristics. 3.3.1 Bearing physical characteristics. Unless otherwise specified in the contract or pur- Any production prior to t J 3.3.1.1 Dimensions. The bearing dimens,ons and tolerances shall
26、 be in accord- ance with ABEC 7 of the Annular Bearings Engineers Conmittee (ABE) of the Anti- Friction Bearing Manufacturers Association (AEBMA), except as specified herein arid except as shown on Drawing 143526 (-30 Assembly) or Drawing 7031263 (-10 Assembly). 3.3.1.1.1 Pitch circle diameter. Each
27、 bearing shall contain eight 0.1406 diameter balls on a 0.435 - -t 0.005 inch diameter pitch circle. 3.3.1.1.2 Radial clearance. side diameter (OD) and the shield shall be between 0.001 and 0.005 inch. 3.3.1.1.3 Internal radial play. 0.0011 inch. The radial clearance between the inner ring out- a In
28、ternal radial play shall be from 0.0008 to 3.4 Design and construction. in accordance with Drawing 143526 (-30 Assembly) or Drawing 7031263 (-10 Assembly) and as specified herein. The bearings shall be fabricated and assembled 3.4.1 Bearing materials, processes and parts. 3.4.1.1 Rings. 763, Class 4
29、40C, Condition A, and shall be heat treated to a Rockweii Hardness of 58C minimum in accordance with MIL-H-6875. Inner and outer rings shall be made from stainless steel, QQ-S- 3.4.1.2 Balls, bearing. resistant (stainless) steel, QQ-S-763, Class 440C, Condition A, and shall be heat treated to a Rock
30、well Hardness of 60C minimum in accordance with AFBMA Standards for Balls, (AFBMA 10), Grade 5. 3.4.1.3 Retainers. Retainers shall be made from polyimide (DuPont SP Vespell or equivalent). 3.4.1.4 Shields. Shields shall be made from stainless steel, QQ-S-766, Class 3402, Condition A, or QQ-S-763, Cl
31、ass 301. Balls shall be made from vacuum melted corrosion 3.4.1.5 Retaining rings. Retaining rings shall be made from spring-tempred stainless steel, QQ-W-423, Class 302, Condition B. -4- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-83970 B
32、3.4.1.6 Gaskets. Gaskets shall be made from polytetrafluroathylene resin in accordance with ASTM-D1457. 3.4.1.7 Salvaged material. Recycled and recovered raw materials shall be used to the maxima extent possible in lieu of virgin raw material as long as these materials do not jeopardize the intended
33、 use and fully comply with all contract requirements. 3.4.1.8 Lubrication. - 3.4.1.8.1 Retainers. After the bearings have been thoroughly cleaned and dried, the retainers shall be vacuum-impregnated with the base oil used in the grease specified in MIL-G81322. # 3.4.1.8.2 Bearings. The bearings shal
34、l be lubricated with 225 plus or minus I 3.5 Assembly performance. 25 milligrams of MIL-G-81322 grease. - 3.5.1 Operating speed. shall be capable of rotation at speeds up to 45,000 revolutions per minute (rpn) without shifting of parts or damage to the rolleron. 3.5.2 Life. The rolleron wheel shall
35、be capable of continuous operation for not less than 60 hours at a speed of 45,000 rpn at the environmental tempera- tures specified in 4.2.2. The rolleron, when assembled into the wing assembly, 3.5.3 High load. five (5) minutes without damage with the rolleron wheel rotating at 40,000 + 5,000 rpn
36、while the assembly is being oscillated at 7.5 - + 1 Hz at a temperature of 200F - + 10OF. The assembly shall be capable of operating for a minimum of 0 3.5.4 Vibration. vibrated with a sinusoidal force over the fKequency spectrun from 200 to 2,000 Hz in the direction of each of the three mutually pe
37、rpendicular axis, while the rolleron wheel is operating at a speed of 42,500 - + 2,5000 revolutions per minute. The assembly shall perform as specified herein while being The vibration forces shall be 10 gravity units (9s) per acceleration of freqgen- cies betweem 200 and 1,000 Hz and five (5) gs be
38、tween 1,000 and 2,000 Hz. There shall be no shifting of parts or damage to the rolleron as a result of this vibration. 3.5.5 Transportability. The assembly shall be fully transportable to permit employment, deployment and logistics support. figuration shall be capable of transportation by air and su
39、rface carriers in accordance with MIL-A-8421 and MIL-P-9024. The assembly in its package con- 3.6 Standards of manufacture. 3.6.1 Assembly conditions. conditions conforming to Air Force Technical Manual T.O. 00-25-203, Class I or better. 3.6.2 Workmanship. The bearings shall be manufactured using wo
40、rkmanship in which extreme care shall be exercised in handling of the bearings so that no The bearings shall be assembled under clean room -5- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-W-83770B 1Ll 7777906 0363152 1 MIL-W-83970B physical
41、damage occurs due to untrue press equipnent, dropping of bearings, improper press fits, improper installation, distortion of bearing rings due to excessive gaging pressures or damage to shields. There shall be no evidence of contamination resulting from dirty work areas, improper opening of bearing
42、pack- ages, poor washing techniques and methods or use of dirty lubricants. In addi- tion, there shall be no evidence of corrosion caused by contact of the bearings with bare fingers or through exposure of bearings to corrosive funes and mois- ture. 3.6.3 Overall. Workmanship shall be in accordance
43、with released engineering drawings and specifications. Workmanship includes the use of proper materials, processess and finishes. shall be constructed, assembld, lubricated, sealed and finished in a manner to assure compliance with all the requirements contained herein and the applicable drawings an
44、d specifications. The assembly, including all components subassemblies 4. QUALITY ASSURANCE PROVISIONS 4.1. Responsibilitiy for inspection. Unless otherwise specified in the Con- tract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified he
45、rein. Except as otherwise speci- fied in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government, reserves the right to perform any of the inspections, se
46、t forth in the specifi- cation where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements, contractor shall establish a quality assurance program complying with MIL-T- 45208. The Government Unless otherwise specified, the 4.1.1 Responsibility for c
47、ompliance. All items must meet all requirement of Sections 3 and 5. a part of the contractors overall inspection system or quality program. The absence of any inspection requirements in the specification shall not relieve the contractor of the responsibility of assuring that all products or supplies
48、 submitted to the Government for acceptance comply with all requirements of the contract. known defective material, either indicated or actual, nor does it comnit the Government to acceptance of defective mater ia1 . The inspection set forth in this specification shall beccme Sampling in quality con
49、formance does not authorize suhission of 4.1.2 for inspection and testing shall be in conformity with MIL-STD-45662. Instruments and test equipnent. All instruments are test equipnent used 4.1.3 Test procedures. specified herein shall be prepared by the contractor and approved by the procur- ing activity prior to suhission of the equipnent to these tests. ing activity reserves the right to require additional tests as deemed necessary to determine compliance to the requi
