1、NIL-A-62463B 999990b 1754869 869 I INCH-POUND J MIL-A- 62 4 63 B (AT) 30 November1992 SUPERSEDING MIL-A- 6 2 4 6 3A (AT) 30 March 1984 MILITARY SPECIFICATION ACTUATOR ASSEMBLY, ROTARY This specification is approved for use by the US Army Tank-Automotive Command, Department of the Army, and is availa
2、ble for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers two types of rotary actuator assemblies unique to the suspension of the Armored Combat Earthmover, - M9 ACE. 1.2 Classification. (see 6.2): Suspension units shall be of the type sp
3、ecified Type 1 - Rotary Actuator Assembly, Corner. Type II - Rotary ActuatorAssembly, Intermediate. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards, and handbooks. Unless otherwise specified, the following specifications, standards, and handbooks of the issue listed
4、 in that issue of the Defense Index of Specifications and Standards (DODISS) specified in the solicitation form a part of this specification to the extent specified herein. Beneficial comments (recommendations, additions, deletions) and any ,pertinent data which may be of use in improving this docum
5、ent should be addressed to: US Amy Tank-Automotive Command, ATTN: AMSTA-GDS, Warren, MI 48397-5000, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document, or by letter. AMSC N/A FSC 2530 . DISTRIBUTION STATEMENT A. Approved for
6、 public release: distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-62Yb3B 0b 1754870 580 MIL-A-62 4 63 B (AT) SPECIFICATIONS MILITARY MIL-P-514 -Plate, Identification, Instruction and MIL-L-2104 -Lubricating oil, intern
7、al - Combustion MIL-L-46167 -Lubricating oil, internal Combustion MIL-C-46168 -Coating, Aliphatic Polyurethane, MIL-C-53039 -Coating Aliphatic Polyurethane, Single Marking, Blank. Engine, Tactical Service. Engine, Arctic. Chemical Agent Resistant, Components, Chemical Agent Resistant. STANDARDS MILI
8、TARY MIL-STD-13 O -Identification Marking of U.S. Military MIL-STD-19 3 Property. Vehicles, Construction Equipment and Matrial Handling Equipment. Engineering Guidelines. -Painting Procedures and Marking for -Environmental Test Methods and MIL-STD-8 10 2.1.2 Other Government documents. drawinas. and
9、 Dublications. The following documents, drawings, and publications form a part of this specification to the extent specified herein. DRAWINGS ARMY 12325801 -Roadarm. 12 3 3 188 1 -Seal, Shaft. 12335056 -Retainer, Roadarm. 12335135 -Plug, Special Long. 12335151 -Flange, Index. 12335160 -Ring, Backup.
10、 1320432560 -Rotary Actuator Assembly, Corner. 1320432561 -Rotary Actuator Assembly Intermediate. (Copies of specifications, standards, handbooks, drawings, and publications required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity o
11、r as directed by the contracting officer.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-62463B = 9999906 1754871 417 MIL-A- 62 4 6 3 B (AT) 2.2 Other Dublications. The following document forms a part of this specification to the extent spe
12、cified herein. document which is indicated as DOD adopted shall be the issue listed in the current DODISS and the supplement thereto, if applicable. The issue of the SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) SAE 51165 -Reporting Cleanliness Levels of Hydraulic Fluids . (Applications for copies of CAE pu
13、blications should be addressed to the Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15096.) (Industry association specifications and standards are generally available for reference from libraries. among technical groups and using Federal agencies.) 2.3 Order of mecedence. I
14、n the event of a conflict between the text of this specification and the references cited herein, the text of this specification shall take precedence. They are also distributed 3. REQUIREMENTS 3.1 First article. Unless otherwise specified, the contractor shall furnish actuator assemblies which shal
15、l be subjected to first article inspection (see 4.4). First article inspection samples, properly marked with identifying information shall be representative of the assembly to be furnished to the Government. delivered to the Government shall conform to these samples in all of their pertinent physica
16、l and performance attributes. production methods after approval -shall require a first article resubmittal. 3.2 Materials. Materials shall be as specified herein and in referenced specifications, standards, and drawings. Material shall be free of defects which adversely affect performance or service
17、ability of the finished product. 3.2.1 Qualified products. The contractor shall be responsible for using parts and assemblies from Qualified Products Lists (QPLs) whenever avaible. Contractors inspection records shall specifically list all QPL items by number and date of QPL, name of supplier and pa
18、rt or drawing number(s). When parts and assemblies are approved as qualified products but not listed on the QPL, the contractor shall list the product by number and date of the approved document and name of supplier (s) . 3.2.2 Hvdraulic oil. Hydraulic oil used in the actuator assemblies shall confo
19、rm to grade 10 of MIL-L-2104 for ambient temperatures of All subsequent assemblies Any change in 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-A-bZ4b3B 99999Ob 1754872 353 MIL-A-62463B (AT) +40F (+4OC) and above, and to MIL-L-46167 for -15F
20、(-26*C) and below. Either of these oils can be used at ambient temperatures between +40*F (+4C) and -15F (-26.C). 3.2.3 pecvcled. virain and reclaimed materials. There are no requirements for the exclusive use of virgin materials. recycled or reclaimed (recovered) materials is acceptable provided th
21、at all other requirements of this specification are met (see 6.3.2). 3.3 Construction. Actuator assemblies shall conform to the appropriate drawing listed in 2.1.2, and type specified in 1.2. The use of 3.3.1 Interchanaeabilitv of parts. Component parts and assemblies of each actuator assembly shall
22、 be so constructed that any part(s), may be installed in a like assembly without modification. 3.4 Performance. 3.4.1 General Derformance - Tme I and TVD e II actuator assemblies. 3.4.1.1 Proof pressure. The actuator assembly shall withstand testing per 4.6.1 without external leakage or deformation
23、and shall subsequently meet all requirements of 3.4.1.2 through 3.4.4. 3.4.1.2 General external leakaae. When tested as specified in 4.6.2, there shall be no visible external leakage. 3.4.1.3 Shaft seal leakase. There shall be no visible external leakage past shaft seal 12331881 when tested per 4.6.
24、3. 3.4.1.4 Intentionallv left blank. 3.4.1.5 Total shaft rotation. When tested per 4.6.5, total shaft rotation shall be 72 degrees plus or minus 1 degree. 3.4.1.6 Breakout pressure. The pressure required to initiate shaft rotation shall not exceed 300 psi (2070 kPa) and operation shall be smooth ove
25、r total rotation range when tested per 4.6.6. 3.4.2 performance - TYP e I actuator assemblv. 3.4.2.1 Internal leakage shall not exceed the rates specified in table I (see 4.6.7, 4.6.9 thru 4.6.15, 4.6.17, and 4.6.18) . 3.4.2.2 Relief valve settina. Relief valve shall open at 4200 4.2 Pluaaed Dorts (
26、see fiaures 1 and 2). a. Type I actuator. The two ports No. 1, and all unnumbered ports are to be plugged for all tests. to be plugged for all tests except when otherwise specified. other numbered ports are to remain OPEN unless otherwise specified. b. Type II actuator. The two ports in face B are t
27、o be plugged The four ports in face A are All for all tests. c. Port 7B. Port 7B in both type I and type II actuators shall remain open for all tests except when pressure is applied to port 7B (DO NOT PLUG PORT 7B). 4.3.4.3 Check lons plua (tme I actuator onlvl. Inspect long plug 12335135 in port 2
28、of face A to be sure it is a special long plug with seal in groove near inner end of plug. 4.3.4.4 Toraue Dluas. Tighten plugs to the torques specified on drawings 1320432560 and 1320432561. 4.3.4.5 Check cam Vtl marks (tme I actuator only). Remove socket head screw that secures index flange 1233515
29、1 to cam shaft at end of main shaft. properly aligned (not 180. out of position). flange to be sure the W1l mark on flange is aligned over trV81 at bottom of one slot in cam shaft. Inspect to be sure that the Vtl mark on the index flange is Inspect by removing the 8 Provided by IHSNot for ResaleNo r
30、eproduction or networking permitted without license from IHS-,-,-NIL-A-62463B m 999990b 1754877 935 m MIL-A-62463B(AT) 4.3.4.6 Check cam setting (tme I actuator onlv). With index flange properly oriented per 4.3.4.5, the Vgt mark on flange should point to index mark 1R or 4L stamped on shaft. Reinst
31、all socket head screw. Reset cam position if required. 4.3.4.7 Install and retain shaft seal. Install shaft seal 12331881, ring 12335160, and packing MS28775-427 over end of shaft. Retain these items with roadarm 12325801 or suitable collar, and retain collar with retainer 12335056 or suitable equiv
32、alent. 4.3.4,8 Intentionallv left blank. 4.3.4.9 Fill drain chamber with oil. and stem removed, add oil into port 7B until oil flows out the “filltt valve port. Reinstall valve parts, and torque cap. b. Type II actuator. Add oil into port 7B to fill drain chamber to the level of port 7B. 4.3.4.10 Fi
33、ll vane chambers with oil. Alternately apply low pressure to ports 2 and 17 of type I actuator, or to ports 2 and 7 of type II actuator, and rotate shaft back and forth through several full cycles, a. Type I actuator. With the “Fill“ leveling valve cap, spring, 4.3.4.11 Intentionally left blank. 4.4
34、 First article insDection. Unless otherwise specified (see 6.2), the contractor shall furnish one type I and one type II actuator assembly, from the first ten units of each type produced under the production contract, for first article inspection. samples shall be examined as specified in table V an
35、d tested as specified in table VI. Government shall not relieve the contractor of his obligation to supply actuator assemblies that are fully representative of those inspected as first article samples. production units from the first article samples shall be subject to the approval of the contractin
36、g officer. 4.4.1 First article inspection failure. Failure of any first article sample to pass specified examinations or tests shall be cause for refusal to grant first article approval and to accept production units until corrective action by the contractor has been approved by the Government. Firs
37、t article Approval of the first article samples by the Any changes or deviation of the 4.5 pualitv conformance inspection. 4 . 5.1 Samplina 4.5.1.1 Lot formation. An inspection lot shall consist of all actuator assemblies of one type and part number, from an identifiable 9 Provided by IHSNot for Res
38、aleNo reproduction or networking permitted without license from IHS-,-,-flIL-A-62463B 9999906 1754878 871 m 2 to 13 I Entire Lot production period, from one manufacturer, submitted at one time for acceptance. 3 4.5.1.2 Samplins for examination. Samples for quality conformance examination shall be se
39、lected in accordance with table IV. Accept on zero defects, and reject on one or more defects. TABLE IV. SamDlina of for examination. 4.5 Lot size For Major I For Minor I * 14 to 25 26 to 50 51 to 90 91 to 150 151 to 280 281 to 500 501 to 1200 1201 to 3200 3201 to 10,000 13 13 13 13 20 29 34 42 50 N
40、OTE: Accept lot on zero defects. 2 pualitv conformance examinations. Reject lot on one or more defects. 4.5.2.1 AcceDtable aualitv level. Each sample selected in accordance with 4.5.1.2 shall be examined for the defects listed in table V. 3 5 6 7 10 11 15 18 22 Accept on zero defects. Reject on one
41、or more defects. TABLE V. Classification of defects. Category Major 101 102 103 Minor 201 202 203 204 I Defect Construction: Not to drawing (see 3.3). Dimensions affecting interchangeability: Not within tolerance (see 3.3.1). Workmanship: Not as specified (see 3.8). Dimensions not affecting intercha
42、nge- ability: Not to tolerance (see 3.3.1). Identification and marking: Not as specified (see 3 . 5) Nameplates: Not as specified (see 3.6). Painting: Not as specified, poor coverage (see 3.7) I/ SIE= Standard Inspection Equipment Method of examination Visual Visual and SIE 1/ Visual Visual and Visu
43、al SIE IJ Visual Visual 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-62463B 9999906 1754879 ?O L. 6.19-2; 4.6.7.: 4.6.7.; 4.6.8 4.6.23 First irticle X X X X X X X X X X x. X X X X X X X . (100%) X X X X X X X X X X X X X X X X X VI - . _
44、ormance Control 4.6 Methods of insmection. The following test procedures, or equivalent procedures acceptable to the Government, shall be applied to determine conformance to requirements of 3.4. Prior to performing the following tests, preparation for testing in accordance with 4.3.4 shall have been
45、 accomplished to provide a proper setup. 4.6.1 Proof txessure. To determine conformance to 3.4.1.1: a. Positipn shaft at midtravel position (36O obtain by plugging ports 7A and 14, and applying pressure to port 2). c. Apply low pressure to port 17 and rotate shaft to full CCW position. d. Open port
46、7A, and plug ports 2, 8, and 14. Apply low pressure to port 9 and SLOWLY rotate shaft clockwise until the leveling lfillt valve closes (rotation ceases). Measure this rotation angle. e. Open port 9 and apply low pressure to port 14 at a very low flow rate to resume SLOW clockwise rotation until the
47、leveling draint valve opens (rotation again ceases, and the oil fed into Ort 14 comes out port 7A). Measure this rotation angle. 18 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-62463B E 9999906 1754887 884 E MIL-A-62 4 63 B (AT) 4.6.20 Level
48、ina llfillll valve closina and levelina l1drainv1 valve openina. 4L Dosition. To determine conformance to 3.4.2.3.1 and 3.4.2.3.2 for 4L position, apply the procedures of 4.6.19 with the following exceptions: part b. - If continuing from 4.6.19, it is not necessary to repeat - In part c, set cam at
49、4L position instead of 1R position. 4.6 21 Levelins llfillll valve closina and levelina lldrainll valve oDenins. 1L position. To determine conformance to 3.4.2.3.1 and 3.4.2.3.2 for 1L position: a. Remove the plugs from the four ports in face A (ports 2, 3, 11, and 17), and install them into the four ports of face B. b. Maintain O pressure at port 11 of face A. c. If not continuing from 4.6.20, apply the procedures of 4.3
