1、MIL-D-64022 61 7999906 0530049 -T m- . a - .- MIL-D-64022 (AR) 11 September 1991 MILITARY SPECIFICATION DISTRIBUTION BOX ASSEMBLY: 8438325 This specification is approved for use by the US Army Armament, Munitions and Chemical Command, and is avail ble fl r use by all Department and agencies of the D
2、epartment of Defense. 1. SCOPE 1.1 Scope. This specification covers the general requirements and tests for a distribution box assembly, hereafter referred to as the D-box. The D-box, is a part of the Vulcan Weapon System M163A1 and M167A1. (see 6.1) 2. APPLICABLE DOCUMENTS 2.1 Government documents.
3、2.1.1 Specifications, standards and handbooks. The following specifications, standards and handbooks form a part of this specification to the extent specified herein. specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Stand
4、ards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). Unless otherwise 0 SPECIFICATIONS MILITARY MIL-F-13926 Fire Control Materiel, General Specification covering the Manufacture and Inspection of MIL-1-45607 Inspection Equipment, Acquisition, Maintenance and Disposition of MIL-
5、L-3661/5 Lampholder, Housing, Indicator Light, Style LH73 MIL-L-3661/12 Lampholder, Lens, indicator Light, Style LC.2 Bene6cial comments (recommendatim, additions, deletions) and any pertinent data which may be of use in improving this document should be ackhesed to: Commander, U.S. Amny ARDEZ, AITN
6、: SMCAR-BAGS, Picathy Arsenal, New Jmy 07806-5000 by using the self-addressed Standardization Document improvement Proposai (DD Form 1426) appeariog at the end of this document OT by letter. AMSC NIA mc 6110 1 Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo re
7、production or networking permitted without license from IHS-,-,-MIL-D-b4022 b1 99999Ob 0510050 b MIL-D-64022 (AR) STANDARDS MIL I TARY MIL-STD-109 MIL-STD-810 Environmental Test Methods and Engineering MIL-STD-2000 Standard Requirements for Soldering Quality Assurance Terms and Definitions Guideline
8、s Electrical and Electronic Assemblies (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available from the Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2 Other Government documents, drawi
9、nqs, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DRAWINGS (see 6.4) Us ARMY ARMAMENT RESEARCH, DEVELOPMENT AND ENGINEERI
10、NG CENTER ( ARDEC ) 8438308 Wiring, Installation of, Distribution Box 8438325 Distribution Box Assembly 8438346 Component Assembly, Slew 8438351 Schematic Diagram, Electrical Disk Box PACKAGING DATA SHEET PS8438325 Packaging of Distribution Box Assembly (Copies of drawings and packaging data sheets
11、required by the suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) 2.2 Order of precedence. In the event of a conflict between the text of this document and the references cited herein the text of thi
12、s document takes precedence. supersedes applicable laws and regulations unless a specific exemption has been obtained. Nothing in this document, however, 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-64022 61 M 9999906 0510051 8 M blIL-D-64
13、022 (AR) 3. REQUIREMENTS 3.1 Materials. Materials shall be in accordance with the applicable drawings and specifications. 3.2 Components and assemblies. The components and assemblies shall comply with all requirements specified on Drawing 8438325 all associated drawings, and with all. requirements s
14、pecified in applicable specifications and standards. Where applicable, the D-box shall meet the requirements of MIL-F-13926 as follows: i b C a. Dimensions and tolerances. b. Inorganic protective surface finishings. c. Part identification and marking. d. Workmanship. 3.3. Environmental service condi
15、tions. 3.3.1 Vibration. The D-box shall be mounted on the vibration table in normal service position. The D-box shall meet the requirements of 3.4 after being subjected to continuous vibration for 2 hours along each of three mutually perpendicular axes within the frequency range of 10 to 55 Hertz (H
16、z) and a half amplitude excursion of 1/64 inch. The rate of change of frequency shall not exceed 1 Hz per second. Vibration tests shall be conducted under ambient room conditions. 3.3.2 Shock. The D-box shall not suffer damage and shall meet 0 the requirements of 3.4 after being subjected to 18 impa
17、ct shocks, consisting of three shocks in opposite directions, along each of three mutually perpendicular axes. The shock pulse shall have an acceleration of 15 gravity units (G) and a pulse duration of 11 2 1 milliseconds (ms). The G value of each impulse shall be within + 10 percent when measured w
18、ith a 0.2 to 250 Hz filter and the maximum G shall occur at approximately 5.5ms. 3.3.3 Altitude. 3.3.3.1 Operatinq. The D-box shall meet the requirements of 3.4 during and after exposure to barometric pressure encountered at 10,000 feet above sea level (20.6 inches Hg). 3.3.3.2 Nonoperating. The D-b
19、ox shall meet the requirements of 3.4 after exposure for not less than 10 minutes to barometric pressure encountered at 40,000 feet above sea level (5.5 inches Hg). 3.3.4 Temperature. 3.3.4.1 Operatinq. The D-box shall meet the requirements of 3.4 when stabilized thermally at any temperature from -4
20、0 deg.F to +155 deg.F. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-64022 bL H Ob 0510052 T MIL-D-64022 (AR) 3.3.4.2 Nonoperating (storaqe). The D-box shall not suffer permanent damage when subjected to temperature extreme of -65 deg.F for
21、 a period of 24 hours and +160 deg.F for a period of 48 hours (after temperature stabilization), and shall meet the requirements of 3.4 when returned to room ambient. 3.3.5 Humidity (nonoperating). The D-box shall meet the requirements of 3.4 after exposure to an atmosphere with a relative humidity
22、of 95 - +5 percent for a period of not less than 10 days. 3.4 Electrical. 3.4.1 Continuity. Each conductor shall be electrically continuous as specified by drawing 8438308 Wiring, Installation of, Distribution Box. 3.4.2 Functional. The symbols reference in subsequent 3.4.2.1 Meters. The D-box shall
23、 contain meters to indicate the paragraphs pertain to electrical schematic drawing 8438351. auxiliary power input voltage and current. 3.4.2.1.1 Volmeter (M2). The volmeter shall indicate zero to 50 Vdc. 3.4.2.1.2 Ammeter (Ml). The ammeter shall indicate zero to 100 Adc. The meter shall be a 50mV fu
24、ll scale type using an external shunt resistor. 3.4.2.2 Circuit breakers. 3.4.2.2.1 Siqht Gyro power circuit. The gyro power circuit shall contain a 115V, three phase, 400 Hz, 3A circuit breaker (CB4). It shall be possible to reset the circuit breaker from the front panel. 3.4.2.2.2 Siqht current qe
25、nerator power circuit. The sight current generator power circuit shall contain a 24 Vdc, 5A circuit breaker (CB1). It shall be possible to reset the circuit breaker from the front panel. 3.4.2.2.3 Inverter power circuit. The inverter power circuit shall contain a 24 Vdc, 15A circuit breaker (CB3). I
26、t shall be possible to reset the circuit breakers from the front panel. 3.4.2.2.4 System power circuit. The system power circuit shall contain a 24 Vdc, 15A circuit breaker (CB2). It shall be possible to reset the circuit breakers from the front panel. 4 Provided by IHSNot for ResaleNo reproduction
27、or networking permitted without license from IHS-,-,-MIL-D-bg022 b3 I 9999906 0530053 3 m I POSITION Normal Static Test MIL-D-64022 (AR) TURRET POWER RELAY (K4) Coil Circuit CLOSED Coil Circuit OPEN Coil Circuit CLOSED 3.4.2.2.5 Servo amplifier power circuits. The servo amplifier power circuits shal
28、l contain a 24 Vdc, 35A circuit breaker (CB6, CB7, and CB8) for each of the three servo amplifier power circuits. Overload in any of the three power circuits shall de-energize the turret power relay. The contacts of the circuit breakers shall automatically reset after removal of the overload. i 2 3.
29、4.2.3 NORMAL/STATIC/TEST switch (Sl). This switch shall be a three position toggle switch located on the front panel. shall be momentary in the TEST position. The switch shall control the TURRET POWER relay (K4) and the +24 Vdc circuit which feeds the three servo motor brakes in the gun system. Oper
30、ation shall be as specified in Table I. The switch TABLE I. Switch positions. 1 BRAKES Connected Disconnected Disconnected 3.4.2.4 Protective diodes. Diodes shall be provided in the power circuits to prevent the following: a. Discharge of the system battery into the auxiliary power source. (CR1) b.
31、Discharge of the gun battery into the auxiliary power source. (CR2 ) c. Damage to the 8.84 volt battery tap from application of voltages exceeding 8.84 Vdc. (CR3) d. Large voltage transients from the gun motor (CR4) e. Large voltage transients from the declutching solenoid. (CR5 f. Large voltage tra
32、nsients from the loading motor. (CR6) 3.4.2.5 Slew control circuits. The D-box shall contain slew control circuits made up of fixed resistors, variable resistors and diodes. The slew control circuits shall control the signals into the azimuth and elevation servo amplifiers in the gun system. The sle
33、w circuits shall contain four relays with 24 Vdc coils connected as sPecified in Table II. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- _ MIL-D-b4022 bL W 9999906 0510054 3 MIL-D-64022 (AR) TABLE II. Slew control circuits. I RELAY COIL I COIL R
34、ETURN ACQUISITION TIME DELAY (K14) Ji-c +24 Vdc RETURN RIGHT LIMIT (K15) J8-C 1-24 Vdc RETURN +24 Vdc RETURN +24 Vdc RETURN LEFT LIMIT (K16) LOWER LIMIT (K13) J8-J 1 J8-D I 3.4.2.6 Power control. Two power control relays shall be provided. in Table III. These relays shall have 24 Vdc coils connected
35、 as specified TABLE III. Power control. RELAY SYSTEM POWER (K2) RADAR POWER (K17) COIL COIL RETURN I J1-AC J1-BE I +24 Vdc RETURN I I +24 Vdc RETURN 3.4.2.6.1 SYSTEM POWER relay (K2). This relay shall be operated through the control panel connector J1 and shall apply +24 Vdc system battery power to
36、the control panel. 3.4.2.6.2 RADAR POWER relay (K17). This relay shall be operated through the control panel connector Ji and shall supply +24 Vdc system battery power to the radar connector J9. 3.4.2.7 Fire voltage. A fire voltage of +313.5 to +346.5 vdc shall be provided by a CONVERTER (A3) operat
37、ing from the 24 vdc power. The fire voltage shall be delivered to the FIRING VOLTS relay (K6) through a 24.9 ohm, 20 watt resistor. A shunt resistance of one megohm nominal shall be provided across the output of the converter. 3.4.2.8 Hi rate firinq. with the connections of Figure 1, the RATE switch
38、 in the HI position and the GUN CLEAR switch in the AUTO position, the D-box shall perform as follows: a. The SYSTEM POWER switch shall energize the SYSTEM POWER relay (K2) and apply power to the GUN POWER switch. a Q 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without lic
39、ense from IHS-,-,-MIL-D-b4022 bL M 9999906 0530055 5 = MIL-D-64022 (AR) b. The ACTION switch shall energize the ACTION relay (K3). The GUN POWER switch shall apply power to the fire voltage CONVERTER (A3) and through the contacts of the ACTION relay (K3) to the TRIGGER switch. c. The TRIGGER switch
40、shall energize the TRIGGER relay (K5). The TRIGGER relay (K5) shall energize the FIRING VOLTS (K6) and HI GUN MOTOR (K8) relays. After 0.87 to 2.1 seconds BURST LIMIT relay (K7) shall energize causing TRIGGER (K5) and HI GUN MOTOR (Ka) relays to de-energize. After an additional 0.7 to 1.95 seconds F
41、IRING VOLTS relay (K6) shall de-energize. d. CLEARING relay (K11) shall energize for 1.0 to 2.23 seconds after TRIGGER relay (K5) de-energizes. e. Releasing the TRIGGER switch shall de-energize BURST LIMIT relay (K7). 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without lic
42、ense from IHS-,-,-MIL-D-64022 61 W 9999906 0510056 7 MIL-D-64022 (AR) rl AW AC SYSTEM POWER - ACTION AD GUN POWER AK 250K 5% AH I I L W - GUN CLEAR AE o Y OPERATOR I IO + z - -x 4 4+7AJ - AF TRIGGER J10 +24 V -LB 24 V RETURN J6 FIGURE 1. Functional connections. SHEET 1 of 2 8 Provided by IHSNot for
43、ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-bLI022 bL = 99999Ob 0530057 9 HATCH CLOSED O OPEN G P8 I RIGHT LIMIT CLEAR IN-LIMIT I IO O IN-LIMIT 0 BELOW LVL ABOVE 18O m I J O BELOW BELOW 0 G FIGURE 1. Functional connections. SHEET 2 of 2 9 Provided by IHSNot for R
44、esaleNo reproduction or networking permitted without license from IHS-,-,-_ _ MIL-D-64022 b11 7779706 05110058 O E MIL-D-64022 (AR) 3.4.2.9 Lo rate firinq. With the connections of Figure 1, the RATE switch in the LO position and the GUN CLEAR switch in the AUTO position, the D-box shall perform as f
45、ollows: a. The SYSTEM POWER switch shall energize the SYSTEM POWER relay (K2) and apply power to the GUN POWER switch. b. The ACTION switch shall energize the ACTION relay (K3). The GUN POWER switch shall apply power to the fire voltage CONVERTER (A3) and through the contacts of the ACTION relay (K3
46、) to the TRIGGER switch. c. The TRIGGER switch shall energize the TRIGGER relay (K5). The TRIGGER relay (K5) shall energize the FIRING VOLTS (K6), HI GUN MOTOR (K8), and LO TIME DELAY (K9) relays. The LO TIME DELAY relay (K9) shall energize the LO GUN MOTOR relay (Klo). After 26 to 75 milliseconds t
47、he BURST LIMIT relay (K7) shall energize causing the HI GUN MOTOR relay (K8) to de-energize. BURST LIMIT (K7) relays shall de-energize immediately. The de- energized TRIGGER relay (K5) causes the CLEARING relay (K11) to energize. The LO TIME DELAY (K9) and LO GUN MOTOR (Klo) relays shall de-energize
48、 0.46 to 1.5 seconds after the TRIGGER relay (K5) has de- energized. CLEARING relay (K11) shall de-energize 1.0 to 2.23 seconds after the LO TIME DELAY relay (K9) de-energizes. FIRING VOLTS relay (K6) shall de-energize 0.7 to 1.95 seconds after the LO TIME DELAY relay (K9) de-energizes. d. When the
49、TRIGGER switch is released the TRIGGER (K5) and 3.4.2.10 Operator clearing. With the connections of Figure 1 and the SYSTEM POWER switch in the ON position and the GUN CLEAR switch in the OPERATOR position, the D-box shall perform as follows: GUN MOTOR relay (K8), and CLEARING relay (K11). a. The ACTION switch shall energize the ACTION relay (K3), HI b. Setting the ACTION switch to OF
