1、II -. MIL-A-5802 LO = 7777906 03bb043 O W i(- 0H-q MIL-A-85802(AS) 10 October 1986 MILITARY SPECIFICATION ACTUATOR, ELECTROMECHANICAL, LINEAR This specification is approved for use within the Naval Air Systems Command, Department of the Navy, and is available for use by all Departments and Agencies
2、of the Department of Defense. 1. SCOPE 1.1 Scope. This specification establishes the requirements for the manufacture and inspection of one type of electromechanical linear actuator. The test limits in this specification define minimum acceptable capabilities. 2. APPLICABLE DOCUMENTS 2.1 Government
3、Documents. 2.1.1 Specifications and standards. The following specifications and standards form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specification
4、s and Standards (DODISS) and supplement thereto, cited in the sol ici tation. SPECIFICATIONS MILITARY MIL-T-7743 MIL-E-17555 Electronic and Electrical EauiPment. Accesories and Testing, Store Suspension and Release Equipment, General Specification for AMSC NIA Repair Parts, Packaging and Packing of
5、Beneficial comments, recommendations, additions, deletions) and any pertinen data which may be of use in improving this document should be addressed to the Naval Air Engineering Center, Systems i Engineering and Standardization Department (Code 931, Lakehurst, j NJ 08733-5100, by using the self-addr
6、essed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. FSC 1095 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. . THIS DOCUMENT CONTAINS / cocked and uncocked. At the completion of each resonance search
7、 test, the actuator shall be activated utilizing 28 VDC. 4.6.10.4 Resonance dwell. The actuator shall be subjected to a sinusoidal vibration resonance dwell test in each of three mutually perpendicular axes. The test level shall be 0.060 D.A. or 10 gs whichever is less. The total number of cycles in
8、 each axis shall be 540,000 cycles. The number of cycles shall be divided equally among the resonant points determined in 4.6.10.3 (see example). The actuator shall be vibrated at the four most severe resonant frequencies. If no resonant frequencies are noted, the actuator shall be vibrated at 50 Hz
9、 for 3 hours in each axis. each of the two actuator modes, cocked and uncocked. The total test time shall be 18 hours for the 50 Hz dwell test. The test shall be repeated for 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. MIL-A-85802 LO m 9Ob 03
10、bb052 L MIL-A-85802(AS) Exampl e : Given: Total number of cycles per axis required: 540,000 cycles Number of resonant frequences determined per axis: 2, 1.200 Hz 2.500 Hz Calculated: Number of cycles per resonant point: 540,000 = 270,000 cycles. 2 Test time at 200 Hz: 270,000 cycles = 22.5 minutes 2
11、00 Hz x 60 seclmin Test time at 500 Hz: 270,000 cycles = 9.0 minutes 500 Hz x 60 sec/min Total test time = 31.5 minutes 4.6.11 Service life. The actuator shall be subjected to 5,000 cycles of operation. The actuator shall be mounted as indicated by the applicable drawing, The firing circuit shall be
12、 energized once for each cycle to activate the actuator, The duty cycle for the actuator shall be 20% on and 80% off (see 3.3.10.1). After every 500 cycles, the actuator shall be subjected to the test of 4.6.2.3. The last 1,000 cycles shall be conducted with the actuator plunger striking the lever o
13、f a test fixture which offers a 20 pounds resistance. plunger shall contact the 20 pound load after it moves 1/16 inch. actuator shall be subjected to the test of 4.6.2.3 after the completion of 5,000 cycles. 4.6.12 Shock. 4.6.12.1 Shock pulses. The actuator shall be subjected to the shock pulses in
14、 each of the three mutually perpendicular axes, not in any specific order. The test parameter tolerances shall be as follows: pulse duration: 1 millisecond. The actuator shall be mounted to the shock table by means of a rigid fixture utilizing the mounting area as indicated by the applicable drawing
15、. The control accelerometer shall be mounted on the test fixture, adjacent to the mounting area of the actuator. activation of the actuator plunger, failure of the actuator to function, or structural damage to the actuator shall be cause for rejection. 4.6.12.2 Test. The actuator, in the cocked posi
16、tion, shall be subjected to two half-sine shock pulses in each axis. The acceleration level shall be 125 gs with a pulse duration of 11 milliseconds. The fixture shall be designed so that the actuator The acceleration: -c lo%, Inadvertent 4.6.13 Post test. 4.6.13.1 Salt fog, internal. All of the int
17、ernal surfaces and internal parts shall be subjected to salt fog tests, while assembled, in accordance with MIL-STD-810, Method 509.2, Procedure I. The exposure time shall be 24 hours. At the completion of the test exposure, all parts shall be inspected for corrosion. Any evidence of corrosion shall
18、 be cause for rejection. 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-.J e Lr *- o a - MIL-A-85802 10 a 77777Ob 03bb053 3 a MIL-A-85802(AS) 4.6.13.2 Disassembly. The actuator shall be disassembled and shall be inspected for corrosion, excessive
19、 wear, and condition of shail be no evidence of corrosion, particle contamination worn parts, or deterioration of lubricant. lubricant. There gal 1 ing, severely 5. PACKAGING 5.1 Preservation, packing, and marking. All major units equipment shall be preserved, packed, and marked for the specified in
20、 the contract or purchase order in accordance (see 6.2.1). and parts of the eve1 of shipment with MIL-E-17555 6. NOTES 6.1 Intended use. The actuator covered by this specification is intended for use as a release mechanism on A/A376-3 Practice Multiple Bomb Racks. 6.2 Ordering data. 6.2.1 Acquisitio
21、n requirements. Acquisition documents should specify the fol lowing: a. Title, number, and date of this specification. b. Applicable detail drawing. c. Applicable levels of preservation, packing, and marking (see 5.1). d. Samples subjected to sampling inspection shall not be considered or accepted a
22、s part of the contract (see 4.4.2). e. Sampling inspection selection (see 4.4.2). f. A statement which requires the contractor to notify the acquiring activity of any changes in design and construction after the actuator has passed first article inspection. In all cases, configuration control of the
23、 actuator shall be governed by the requirements of MIL-STD-480 and as directed by the acquiring activity. g. Number of samples and inspection sequence for production lots in excess of 300 units (see Table III). h. A requirement that prior to submission, the contractor shall inspect the first article
24、 samples to the degree necessary to ensure that they conform to the requirements of the contract and submit an inspection report with the samples, including statements of findings and certification of conformance of materials and test of paragraphs 4.6.1, 4.6.2.2, 4.6.2.4.1, 4.6.5, 4.6.2.3, 4.6.6, 4
25、.6.2.1, 4.6.2.4, and 4.6.10.2 as listed in Table I. i. Name and location of Government representative responsible for random selection of inspection samples (see 4.4.2). j. Items of data required (see 6.2.2) and where they are to be forwarded. k. Name and location of Government approved test laborat
26、ory. 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-85802 LO 7777706 0366054 5 6.2.2 Data requirements. and data are required to be delivered, the data requirements identified below shall be developed as specified by an approved Data Item D
27、escription (DD Form 1664) and delivered in accordance with the approved Contract Data Requirements List (CDRL), incorporated into the contract. When the provisions of DOD FAR Supplement, Part 27, Sub-Part 27.410-6 (DD Form 1423) are invoked and the DD Form 1423 is not used, the data specified below
28、shall be delivered by the contractor in accordance with the contract or purchase order requirements. Deliverable data required by this specification are cited in the following paragraphs. Paragraph no. Data requirement title Applicable DID nos Option When this specification is used in an acquisition
29、 4.3, 4.4 Inspection Test Reports DI-T-5329 - (Data item descriptions related to this specification, and identified in section 6 will be approved and listed as such in DOD 5000.19L, Vol, II, AMSDL. Copies of data item descriptions required by the contractors in connection with specific acquisition f
30、unctions should be obtained from the Naval Publications and Forms Center or as directed by the contracting officer.) 6.3 First article. When a first article inspection is required, the item should be a first article sample. The first article should consist of the first five actuators manufactured on
31、 contract. include specific instructions in acquisition documents regarding arrangements for examinations, approval of first article test results, and disposition of first articles, Invitations for bids should provide that the Government reserves the right to waive the requirement for samples for fi
32、rst article inspection to those bidders offering a product which has been previously acquired or tested by the Government, and that bidders offering such products, who wish to rely on such production or test, must furnish evidence with the bid that prior Government approval is presently appropriate
33、for the pending contract. The contracting officer should 614 Quality assurance definitions. Definitions for quality assurance terms are in accordance with MIL-STD-109. 6.5 Subject term (key word) list-ing. Actuator, electromechanical, 1 i near Actuator, plunger force Preparing activity: (Project 1095-NZ31) Navy - AS 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
