1、MIL-G-810654( OS) 27 March 1967 Superseding MIL-G-o (ep ) 21 May 1964 MILITARY SPECIFICATION GYRO-PENDULUM ASSEMBLY (For Torpedo Mk 46 Mod O and Mk 46 Mod 1) This specification has been approved by the Naval Ordnance Systems Command, Department of the Navy 1. SCOPE 1.1 Scope. This specification cove
2、rs one type of Gyro-Pendulum Assembly, Dwg 2089913, for use in a torpedo. The gyro-pendulum assembly is of one type and class and is referred to herein as the gyro-pendulum. (See 6.1 for description. ) 2. APPLICABJX DOCUMENTS 2.1 The following documents of the issue in effect on date of invita- tion
3、 for bids or request for proposal form a part of this specification to the extent specified herein. SPECIFICATIONS Military MIL- P-116 MIL-E- 5272 1-8625 MIL-E-17555 Federal Preservation, Methods of Environmental Testing, Aeronautical and Associated Equipment; General Specification for Anodic Coatin
4、gs for Aluminum and Aluminum Alloys Electronic and Electrical Equipment and Associated Repair Parts; Prepara- tion for Delivery of PPP-B-585 Boxes, Wood, Wirebound Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G- 8106 5A( OS ) PPP-B- 591 PPP-B-
5、 601 PPP-B-621 PPP- B- 636 STANDARDS Military MIL-G-8L065A 13 7777706 0358422 1 Boxes, Fiberboard, Wood-Cleated Boxes, Wood, Cleated- Plywood Boxes, Wood, Nailed and Lock-Corner Boxes, Fiberboard MIL-STD- 129 MIL-STD -130 Identification Marking of U. S. Marking for Shipment and Storage Military Prop
6、erty MIL-STD-143 Specifications and Standards; Order of Precedence for the Selection of Soldering Techniques for Standard Type Solder Terminals MIL - STD- 440 m33586 Metals, Definitions of Dissimilar DRAW1 NGS Naval Ordnance Systems Command 2089913 Gyro -Pendulum As semb ly PUBLICATIONS Naval Ordnan
7、ce Systems Command WR-11 QAPO Design and Test of Packaging, Packing, Shipping, and Handling Equipment for Weapon Systems Components 14 Quality Assurance Provisions for Gyro - Pe ndulum As sembly (Copies of documents required by contractors in connection with specific procurement functions should be
8、obtained from the procuring activity or as directed by the contracting officer.) 2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal sh
9、all apply. 2 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-G-BLOb5A 13 m 7977706.0358423 3 II MIL-G-81065A( OS) NATIONAL BUREAU OF STANDARDS Handbook 28 Screw-Thread Standard for Federal Service (Application for copies should be addressed to
10、the Superintendent of Documents, Government Printing Office, Washington, D. C. 20360. ) 3. REQUIFBMENTS 3.1 Preproduction sample. Unless otherwise specified in the contract or order, a preproduction sample shall: (a) Be manufactured using the procedures proposed for the produc- tion lot. (b) Consist
11、 of three gyro-pendulum assemblies. (c) Be tested as specified in Section 4 herein for the purpose of determining, prior to starting production, that the suppliers production methods are capable of yielding items that comply with the technical requirements of the contract. 3.2 Basie requirements 3.2
12、.1 Materials and treatments of materials and parts. Unless other- wise specified in the contract or order, all materials and treatments of materials and parts used in the manufacture of the gyro-pendulum shall be in accordance with the requirements specified herein and with the applicable documents
13、listed in Dwg 2089913. 3.2.1.1 Selection of materials. Specifications and standards for all materials, parts, and Government certification and approval of processes and equipment, which are not specifically designated herein, and which are necessary for the execution of this specification, shall be
14、selected in accordance with MIL-STD-143, except as provided herein. AN, JAN, or MS Standard parts shall be identified on the drawing by their part numbers. Commercial utility parts such as screws, bolts, nuts, and cotter pins may be used, provided they possess suitable pro O O ho Ln O O pi -P ho0 ho
15、 4% ho Co O O O +I a, d O O0 -P-P Inho 2 O ri - 8 ho Cu O O 7 i ho M O O O ho M O O a* ho5 m E + 3 O +I Cu ri 2 mm En E 2 g2 O0 In on c- CUM +I +I $I 2 *ri *I .a d O *d -P 5 ri O m 2 m *rf m a, k a, -P m k? H 4 % Ei 8 k E 0 a, m n P, O O Cu O -P ri 0 a, m a o O M O -P O Cu O s. O -P a, m k 3 %Pi O0
16、O-P Mm U OCu m o O0 8 -P +I-k 3 +ow -Pa, Oh -P 0.w *a, ola m i? 3 3 O +I Cu 0 a, m k w :x 8 O 0 a, m k a, pi Cu ri O O m alri $SI g 2 P MO m-P *rl ri orl do +I cd rf P Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G-BL065A 13 7779706 0358427 4
17、. - MIL-G-81065A( OS) n a 2 .rl -P 4 O u H v 3 f3 H rn O * a, k 2 - U a, rn M a, a O rl0 +I 6 3 M In M L) a, rn k a, Pl O O co O U vi -P a? -P rl . - ”_ n U *rl -P a? -P rl bn Co O O +l rl O -P Ln O Y k om a, rna, aJk UM ka, bna a, 53 A- +I +I g orl _ _- U a, rn k a, pi O Cu +I O 3 O -P M 8 9 Provid
18、ed by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-G-810b5A 13 7799706 0358430 O M MIL-G-81065A60S) Table II Vibration Schedule Double Unit Amplitude Condition Ene rg iz ed o* 75 - I Fr e quenc y Acceleration minimum i* 3 I 6-16 - 16-24 3.0 24-40 o. 1 - I
19、 o. 036 3.4.2 Shock . 3.4.2.1 The gyro-pendulum shall be capable of withstanding shock as specified in Table III. Table III Shock Schedule t. Unit Minimum Duration . Peak Magnitude . Condition (gs) - (ms Acceleration Dir e c t i on Nonoperating Ready, non- ope rating 60 8.0 Ready 45 8 5 300 20. o 0*
20、5 0.5 gyro -pendulum, 1 show no 3.4.2.2 Shock; transportation, storage, and handling. The after being subjected to the test specified in 4.5.2.2.2, sha damage and shall meet al1 the requirements of Section 3. 3.4.3 Acceleration. The gyro-pendulum shall be capable of the accelerations specified in Ta
21、ble IV. withstanding 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-G-1065A 13 = 7797906 0358431 2 - MIL-G-810658( OS) Table IV Acceleration Schedule Magnitude Acceleration Direction Condition (g) Nonoperating 25 Forward Ready, non- 35 Aft op
22、e rating Ready 3.4.4 Temperature. The gyro-pendulum shall be capable of conforming to -the requirements of this specification at any temperature within the limits of Table V, in the unit conditions specified in Table V. Table V Tamperature Schedule Condition Temperature Range Nonoperating -45 to ti4
23、0 degrees F Ready, nonoperaiiing Ready and operating O to +lb0 degrees F O to +i60 degrees F 3.4.5 Pressure. The gyro-pendulum shall be capable of withstanding a pressure of 2.7 psia. 3.4.6 Humidity. The gyro-pendulum shall withstand exposure to 95 percent relative humidity at 110 degrees F for eigh
24、t hours without degra- dation of the finish or functional capabilities. 3.4.7 Storage orientation sensitivity. The rms static nuli signai output of each of the five instruments (see 6.1.2) shall not exceed 100 millivolts (mv) after the gyro-pendulum has been stored in any 90 degree pitch or rol1 ori
25、entation for one year. by a 48 plus or minus 1 hour storage test made at any time during the one year storage period. Conformance shall be demonstrated Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G-8LOb5A 13 W 777770b 0358432 4 MIL-G - 8i065(
26、 OS ) 3.5 Workmanship. The workmanship and ,finish shall be of sufficiently high grade to ensure satisfactory operation consistent with the require- ments of this specification. -All parts used in the assembly shall be thoroughly clean and free of excess materials, chips, and loose or splat- tered f
27、oreign materials. The standards of workmanship exhibited in any approved preproduction sample, subjece to any qualifications stated in the Governments notice of approval, shall be determinative of the requirements of the contract relative to workmanship insofar as not specifically covered by applica
28、ble specifications. 3.6 Identification. The gyro-pendulum shall be permanently identified in accordance with MIL-STD-l3O and the applicable documents listed in kg 2089913. .- 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase ord
29、er, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified, the supplier may utilize his own facilities or any commercial laboratory acceptable to the .Government, right to perform any of the lnspections set forth in the spec
30、ification where such inspections are deemed necessary to ensure that supplies and service conform to prescribed requirements. The Government reserves the 4.2 Classifkation of inspections. Inspections of the gyro-pendulum shall be classified as follows: (a) Preproduction inspection . (1) Reproduction
31、 sample (see 4.3.1) (2) Preproduction tests (see 4.5) . , (b ) Periodic -produc tion inspec tion (1) Periodic production -sampling (2) Periodic production .tests (see 4.6) (c ) Acceptance inspection (1) Acceptance sampling (see 4.3.3) (2) Acceptance tests and examinations (see 4.7) 12 Provided by IH
32、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G- 81065A( OS) 4.3 Sampling 4.3.1 Preproduction sample. A preproduction sample of three gyro- pendulums manufactured in accordance with 3.1, shall be subjected to the preproduction tests detailed in 4.5 at an act
33、ivity designatea by the procuring activity. Acceptance of the preproduction sample shall be based on no defects in the sample. pendulum by the supplier, prior to approval of the preproduction sample, shall be at the suppliers risk. Further production of the gyro- 4.3.2 Periodic production samplinq.
34、Periodic production tests detailed in 4.6 shall be performed at an activity designated by the procuring activity. the acceptance tests and examinations detailed in 4.7, selected as follows : Samples shall consist of units that have satisfactorily passed (a) Step 1. Upon initiation of production, ran
35、domly select 5 units from each group of 10 units. pliance of samples selected from 3 consecutive groups, proceed to Step 2. Upon satisfactory com- (b) Step 2. Randomly select 5 units from each group of 25 Upon satisfactory compliance of samples selected units. from 3 consecutive groups, proceed to S
36、tep 3. (e) Step 5. Randomly select 5 units from each group of 50 units. Continue with Step 3 for the balance of the contract or until a defective unit is found. 4.3.2.1 Defective units. When a defective unit is found in any group, the supplier shall: (a) Determine the cause of the defect. (b) Determ
37、ine if the defect is an isolated case. (e) Take necessary action to eliminate the defects from units on hand and, if so directed by the procuring activity, from those units previously shipped. (a) Submit to the procuring activity for approval, the proposed corrective action to prevent recurrence of
38、the defect. (e) Return to Step 1 (4.3.2(a) and proceed as indicated for inspection of units subsequently produced. 13 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license
39、 from IHS-,-,-mL-G-81065( OS) 4.5.1.6 Items of test equipment specified in packaged and packed. The gyro-pendulum, packaged and packed as specified in Section 5, shall be vibration tested as specified in Weapons Requirement WR-11. 4.5.2.2 Shock 4.5.2.2.1 Mount the gyro-penculum onto a shock test fix
40、ture so that a minimum of 90 percent of the table.input of the fixture will be applied to the gyro-pendulum under test. listed in Table VI11 (in the condition specified in Table III) as specified in the Shock Test (3.4.2). mounted on the input table of the fixture to indicate applied shock. equipmen
41、t is not restricted to that specified in MIL-E-5272. Subject the gyro-pendulum to the shocks Duration shall be measured by an accelerometer Test Table VI11 Shock Schedule Peak Magnitude Durat ion Number Impact Direction of Pulses (gs) (ms) 300 0.5 to 1.-o Longitudinally Af.t 3 85 0.5 to 1.0 Any dire
42、ction except 6 Longitudinally Aft 60 8.0 to 8.5 GY 9 45 20.0 to 21.0 Longitudinally Fw d 3 16 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G-BLObSA 13 m 7979906 0358q37 3 m _ MIL-G-81065A( OS 4.5.2.2.2 Shock; transportation, storage and handli
43、ng. The gyro- pendulum, packaged and packed as specified in Section 5, shall be sub- jected to the appropriate shock isolation tests specified in Weapons Requirements WR-11. 4.5.2.3 Acceleration. The gyro-pendulm shall be subjected to the acceleration magnitudes and directions required by Table IV f
44、or three minutes at room temperature for each condition specified. 4.5.2.4 Temperature 4.5.2.4.1 Temperature, storage. The gyro-pendulum, preserved and packaged in accordance with 5.2.1, shall be placed in a temperature con- trolled chamber and subjected to the following temperature cycles: (a) Heat
45、 to plus i40 plus 5 minus O degrees F in 2.5 plus or minus 0.5 hours. (b) mintain at plus i40 plus 5 minus O degrees F for 4 hours minimum. (e) Cool to minus 45 plus 5 minus 5 degrees F in 2.5 plus or minus O. 5 hours. (a) Maintain at minus 45 plus O minus 5 degrees F for 4 hours minimum. (e) Return
46、 to room temperature in 2.5 plus or minus 0-5 hours. Repeat this schedule for a minimum of three cycles. 4.5.2.4.2 Temperature, operating. The gyro-pendulum shall be stabi- lized at a temperature of zero degrees F and tested to conform to the requirements of 3.3.3.11. The gyro-pendulum shall then be
47、 stabilized at plus i60 degrees F and again tested to conform to the requirements of 3.3.3.11. 4.5.2.5 Fressure test. The gyro-pendulum shall be subjected to pres- sure of 2.7 pcia. 4.5.2.6 Humidity test. The gyro-pendulum shall be placed in a suitable test chamber and be subjected to 95 percent rel
48、ative humidity for a period of eight hours minimum at a temperature of 110 degrees F minimum. 4.5.2.7 Life test. The gyro-pendulum shall be operated for a total of 500 hours. off under such ambient conditions that the gyro-pendulm will cool to room temperature within the one hour off time. The maxim
49、um duty cycle shall be three hours on and one hour Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G-81Ob5A 13 = 7777706 0358438 5 W MIL-G-81065A( OS) 4.5.2.8 Storage orientation sensitivity test. Store the gyro-pendulum for 48 plus or minus I hours in
