1、a * - t a a 18 July 1988 MILITARY SPECIFICATION SHEET SCANNER, MECHANICAL MX-9872(V)7/UA This specification sheet is approved for use by USACECOM, Department of the Army, and is available for ilse by Cl Departments and Agencies of the Department of Defense. The complete requirements for procuring th
2、e MX- 9872(V)7/UA Scanner shall consist of this document and MIL-S-49166(ER). 1. SCOPE 1.1 Scope. This specification sheet covers the Mechanical Scanner, MX- The MX-g872(V)7/UA is used on the M-65 9872(V)7/U- augments MIL-S-49166. C-Nite Thermal Imaging System. 1.2 Purpose. The purpose of this speci
3、fication sheet is to modify or expand the contents of MIL-S-49166 to describe the MX-g872(V)7/UA Mechanical Scanner. All the MIL-S-49166 contents apply except as specifically modified herein. specification sheet. Paragraph numbers directly correlate between MIL-S-49166 and this 2. APPLICABLE DOCUMEN
4、TS 2.1 Issues of documents. The following documents of the issue in effect: or date of invitation for bids or request for proposal form a part of this specification to the extent specified herein. SPECIFICATIONS MILITARY DRAWINGS USA Electronics Command Drawings 80063 SM-D-807690 80063 SM-D-657598 8
5、0063 SM-D-773950 - Scanner, Mechanical, MX-9872(V)/UA, General Specifications for - Mechanical Scanner Assembly, MX-9872(V)/UA - Scan-Interlace PL-l403A/UA - Scan-Interlace PL-l403/UA 2.2 Order of precedence. this specification sheet and the references cited herein, the text of this specification sh
6、eet shall take precedence. In the event of a conflict between the text of Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: HQ, USA Communications-Electronics Command, ATTN: AMSEL-ED-TO, Fort Monm
7、outh, NJ 07703, by using the self-addressed Standardization Document Imrpovement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 5855 DISTRIBUTION STATET A. ADD roved for public release; distribution is unlimited. THIS DOCUMENT CONTAINS fg PAGES. -. , /- - .
8、Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-49Lbb/7 58 W 99999Ob OLb0343 L m- 3. REQUIREMENTS 3.1 Description. The MX-g872(V)T/UA Scanner, herein known as the MX- 9872(V
9、)7/UA, shall consist of the MIL-S-49166, MX-9872(V)/UA Scanner adjusted for a nominal 30.0 Hz and 8.0 degree scan angle operation. Scanner can be operated with either Scan-Interlace Assembly PL-1403NA (SM-D- 773950) on PL-l403A/UA (SM-D-657598). These two assemblies will be referred to as the Scan-I
10、nterlace Assembly throughout this specification sheet. The MX-l0717(V)7/U 3.2 Construction. The MX-9872(V)7/UA shall be constructed in accordance with drawing 80063 SM-D-807690-4. 3.2.1 Weight. Weight of the MX-9872(V)7/UA shall be 1.90 pounds maximum, 3.6 Performance characteristics. The Characteri
11、stics specified herein shall apply as constructed (3.2). 2:l rear interlace mode while using the Scan-Interlace Assembly. Operation shall be at a nominal 30.0 Hz, 3.6.1 Scan angle and frequency. 3.6.1.1 Variable scan frequency. Not applicable. 3.6.1.2 Specific scan frequency (30.0 HZ) . Scan frequen
12、cy of the MX- . 9872(V)7/UA shall be adjusted to 30.0 + 0.5 Hz. not be greater than + 1.5 Hz from the nominal frequency at +73 + 9 degrees F when exposed to high-and low temperature environmental conditions (see MIL-S- 49166). Scan frequency drift shall 3.6.1.3 Synchronous scan frequency. Not applic
13、able. 3.6.1.4 Scan angle. The scan angle shall be 4.0 + 0.1 degrees in each direction (8.0 + 0.2 degrees total) from a true 45 degree position with respect to the optical axis (DATUM -A- in figure 1 ) . 3.6.2 Interlace. The MX-9872(V)7/U shall operate in a 2:l rear interlace mode. The switching time
14、 shown in figure 1 of MIL-S-49166 shall no, be greater than 3.5 milliseconds (ms) and the average amplitude shall be 1 .O - + 0.2 vp-p. 3.6.2.1 Interlace angle. The interlace solenoid stops and Scan- Interlace Assembly potentiometers shall be used to determine an object space interlace angle of 155
15、- + 15 arc seconds when used with the Scan-Interlace Assembly. 3.6.2.2 Elevation boresight. The scan mirror shall not deviate by more than + 16 arc minutes in elevation from the scanner (DATUM -A- mounting surfaOe). See figure 2. 3.6.2.3 Interlace transducer D.C. offset The interlace position trans-
16、 ducer shall have a D.C. offset of 0.0 - + 0.2 Vdc. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-LI7Lhb/7 58 a 77777Oh OLb03LI4 3 m 3.6.3 Scan direction. The MX-9872(V)7/
17、UA shall be in accordance with the waveform shapes and phase relationships in figure 3 while operating in the 2:l rear interlace mode. 3.6.4 Power consumption. Power required to operate the MX-9872(V)7/UA connected to the Scan-Interlace Assembly shall not exceed 2,2 watts total. 3.6.5 Scan efficienc
18、y. The MX-g872(V)7/UA scan efficiency shall be a minimum of 75 percent. 3.6.6 Scan jitter in azimuth. Horizontal jitter shall not exceed 62.0 microseconds. 3.7 Environmental conditions. See MIL-S-49166 except as follows: 3.7.4 Shock. See MIL-S-49166 and 3.7.4.1. 3.7.4.1 Shock and scan frequency. Sca
19、n frequency (3.6.1.2) shall return to normal within 0.2 seconds after the MX-9872(V)7/UA is subjected to the operating shock environment. 3.7.5 Vibration. The MX-9872(V)7MA shall not be damaged by vibration over a frequency spectrum at the specified g levels and amplitudes shown in figure 5 for the
20、X axis and as shown in figure 3 of MIL-S-49166 for the Y and i axes. During specified vibration, the average interlace waveform amplitude shown in MIL-S-49166 figure 1 shall not deviate from the average amplitude without vibration by more than 2 50 percent. 4. QUALITY ASSURANCE PROVISION 4.3 First a
21、rticle inspection. See MIL-S-49166. 4.3.2 Test. In addition to the requirements of MIL-S-49166, Table II, the requirements of 3.6.2.1, 3.6.2.2 and 3.6.2.3 shall also be met. of any tests shall constitute failure of first article inspection. Failure 4.5 Quality conformance inspection. 4.5.2 Tests. 4.
22、5.2.1 Group A inspection. In addition to the requirements of MIL-S- 49166, Table III, the requirements of paragraphs 3.6.2.1, 3.6.2.2 and 3.6.2.3 and test paragraphs 4.6.2.1, 4.6.2.2 and 4.6.2.3 shall also be met. of any test shall be cause for rejection of the unit. Failure 4.6 Test methods. Tests
23、shall be performed utilizing the Scan-Interlace Assembly with the MX-9872(V)7/UA. 4.6.1 Scan frequency. 4.6.1.1 Variable scan frequency. Not applicable. 3 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted witho
24、ut license from IHS-,-,-VIL-S-47Lb6/7 58 H 7777706 CIL60345 5 UM- -.-_ . .- 4.6.1.2 Specific scan frequency (30Hz). The MX-9872(V)7/UA shall be connected to the Scan-Interlace Assembly and mounted to a suitable fixture. Power shall be applied and the output of the azimuth (scan) tachometer (Scan-Int
25、erlace Assembly) shall be monitored with a calibrated frequency counter. The output of the Scan-Interlace Assembly shall be adjusted to obtain the specified frequenny, shall constitute failure of this test. Failure to meet the requirements of 3.6.1.2 4.6.1.3 Synchronous scan fequency. Not applicable
26、. 4.6.1.4 Scan annle. 4.6.1.4.1 Test apparatus. The test apparatus shall consist of a holding fixture required for securing the MX-9872(V)7/UA, a projection system capable of projecting a spot or marker into the scanner along the optical axis (figure 11, and an appropriate scale graduated in degrees
27、 measured about the scan mirror axis. The zero position of this scale shall be the position where the spot or marker is projected onto the scale when the mirror is at a true 45 degrees with respect to the optical axis (DATUM -A- in figure 1). 4.6.1.4.2 Test conduction, The scanner shall be operated
28、and the angular excursions of the projected spot, in each direction, shall be recorded. 4.6.1.4.3 Failure criteria. Failure to meet the requirement of 3.6.1.4 shall constitute failure of this test. 4.6.2 Interlace. With the scanner mounted in a suitable fixture, the output of the interlace position
29、transducer shall be monitored with an oscilloscope. amplitude shall be measured to verify that the requirements of 3.6.2 are met. Failure to meet requirements of 3.6.2 shall constitute failure of this test. The waveform switching times (figure 1) of MIL-S-49166 and 4.6.2.1 Interlace angle. Using an
30、autocollimator and an auxiliary mirror to measure along the optical axis, the interlace solenoid stops and Scan-Interlace Assembly shall be adjusted to provide a dynamic object space interlace angle of 155 + 15 arc seconds. Interlace angle shall be measured with the interlace operating. shall consti
31、tute failure of this test. Failure to meet the requirements of 3.6.2.1 4.6.2.2 Elevation boresight. The scan mirror shall not deviate by more . than + 16 arc minutes in elevation from the optical axis (see figure 2). Elevation boresight shall be measured at the approximate center of the azimuth scan
32、 travel with interlace not operating. Failure to meet the requirements of 3.6.2.2 shall constitute failure of this test. 4.6.2.3 Interlace transducer D.C. offset. The D.C. offset of the interlace position transducer shall be measured at 53 of the Scan-Interlace Assembly with the interlace gimbal in
33、the mechanical zero position. offset shall meet the requirements of 3.6.2.3. of 3.6.2.3 shall constitute a failure of this test. The D.C. Failure to meet the requirements 4 - -, _ , - ,- - Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduc
34、tion or networking permitted without license from IHS-,-,-MIL-S-49166/7 58 m 9999706 0360346 7 4.6.3 Scan direction. With the MX-9872(V)7/UA operating in the 2:l rear interlace mode, the outputs of the scan tachometer (52) and interlace position transducer (53) (Scan-Interlace Assembly) shall be obs
35、erved with an oscilloscope. The output waveforms shall show the shape and phase relationship shown in figure 3. Failure to meet the reqciirsments of 3.6.3 shall constitute failure of this test. 4.6.4 Power consumption. See MIL-S-49166. 4.6.5 Scan efficiency. The MX-9872(V)7/UA shall be operated with
36、 the Scan-Interlace Assembly and measurements taken as follows: scan tachometer is measured by an oscilloscope. consecutive scans shall be determined by measuring the time between the 10 percent and the 90 percent points of the scan tachometer waveform (52). efficiency shall be calculated by dividin
37、g the sum of the two consecutive scans by the scan tachometer period and multiplying by 100 percent. requirements .of 3.6.5 shall constitute failure of this test. The period of the The active time between two Scan Failure to meet the 4.6.6 Scan jitter in azimuth. The MX-g872(V)7/UA shall be tested a
38、s specified in MIL-S-49166 with additional circuitry used as shown in figure 4. Failure to meet the requirements of 3.6.6 shall constitute failure of this test. -. 4.7 Envronmental tests. 4.7.4 Shock. See MIL-S-49166 and 4.7.4.1 . 4.7.4.1 Shock and scan frequency. Failure to meet the requirements of
39、 3.7.4.1 during the operating test shall constitute failure of this test. 4.6.5 Vibration. See MIL-S-49166 and figure 5. 6. NOTES 6.1 Intended use. The MX-9872(V)7/UA is intended for use with the Telescopic Sight Unit of the M-65 C-NITE Thermal Imaging System. 6.2 Other data. See MIL-S-49166. 6.3 Su
40、bject Term (Keyword) Listing. Flir Sensor Scanner CUSTODIAN Army - CR PREPARING ACTIVITY Army - CR Project 5855-A293 5 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SCANNER SHOW
41、N IN PHANTOM FOR CLARITY DATUM THE OPTICAL AXIS, IS DEFINED TO BE PARALLEL TO THE MOUNTING SURFACE OF THE SCANNER. THE AZIMUTH SCAN ANGLE IS DYNAMICALLY SET FOR THE TOTAL SCAN ANGLE OF 8.020.2. THE SCAN ANGLE IS TO BE +4.Ook0.1 o AND 4.0f0.10 FROM THE MIRROR POSITION ORIENTED AT 45 FROM THE SCANNER
42、DATUM FIGURE 1 SCANA NGLE Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-a MIL-S-49166/7 (CK! +16 Arc Min. t -1 6 Arc Min. OPTICAL 1 AXIS 1.875 I Inch- I SCANNER MOUNTING I -BI 1
43、 SURFACE NOTE: THE OPTICAL AXIS (DATUM -A-) IS PARALLEL TO THE MOUNTING SURFACE, DATUM -B b FIGRE 2 MAT ION BORESIGHT 7 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-491b6
44、/7 58 9 9999906 0160349 2 W MIL-S-4916617 (CR) INTERLACE AT J3 A 2:l REAR PL- 1403 /UA P2: CONNECT PIN 10 TO 20 PIN 8 TO 18 P1.N 17 TO 7 (See Note) POSITlON Oscf Iloscope: TACHOMETER AT J2 NOTE - CONNECT OSCILLOSCOPE AS FOLLOWS: CHANNEL 1 - (TACHOMETER) HIGH INPUT TO J2 (OR J1- 13) AND LOW SCOPE TO
45、GROUND. CHANNEL 2 - (INTERLACE) HIGH INPUT TO J3 (OR J1- 1) AND LOW SCOPE TO GROUND, a Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-O 9 d Copyright Communications - Electronics
46、 Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,- n t ;i I a W J m 3 O n v) W I o 5 I- 3 5 W o- a 4 n 3 I 1 .o 3.6 x10 -2 2.5 XI0 -3 1 .o xi0 -3 1.6 XI0 -4 MIL-S-73bb/7 58 777770b 0360353 OW MIL-S-49166/7 (CR) ACCELERA
47、TION LEVEL: Ig (PEAK) - I I“ I I /-4g Y I I I I I I I I I I I l I I i 1 9 46.6 52 200 500 5 FREQUENCY (Hz) FIGURE 5 VIBRATION TEST PROFILE X AXIS1 1 y. 10 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
