1、MIL-P-63234 (AR) AMENDNENT 3 12 JULY 1989 SUPERSEDING . AMENDMENT 2 8 June 1983 MI LI TARY SPEC IF I CATION PXOJECTILE, GUIDED, .155MM, XM712 ROLL RATE SENSOR FOR This amendment forms a part of Military Specification MIL-P-63234(AR), dated 31 August 1979, and is approved for use within the US Army A
2、rmament Munitions and Chemical Command and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 Title: Add “Bl712“ after the designation “XM712“. Make this addition wherever “XM712“ appears in the entire specif ica- tion. PAGE 3 3.2.1.4: Delete entire paragraph.
3、i PAGE 4 3.2.2.2: Delete entire paragraph and substitute the following: “3.2.2.2 Vibration.- The RRS shall be capable of with- standing a random vibration environment of 7.6 g rms, 0.04G2/Hz power spectral density, 20 to 2000 Hz. During , vihration the rate signal shall not exceed 4 SVDC and shall.
4、not exhibit a signal step change greater than 2 1 VDC. g RMS at 20 to 2000 Hz and shall meet the performance during vibration of 3.2.1.3 for required data input.“ The RRS shall operate-during random vibration of 2.4 3.2.2.3: Delete entire paragraph and substitute the following: “3.2.2.3 Relative hum
5、idity.- The RRS shall withstand relative humidity exposures of greater than 90 percent at + 68OF to + 149OF“ AMSC N/A 1 of 7 FSC 1320 _DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without licens
6、e from IHS-,-,-* 4.4.1 D t following: 1 MIL-P-b3234 MIL-P-63234 (AR) AMENDMENT 3 PAGE 6 last sentence in its entirety a i sub titue the size shall be no greater than one months production and RRS Assemblies in the lot shall be from one manufacturer and have the same interfix number. There may be up
7、to three consecutive subassembly configurations (denoted by the manufacturers RRS modification number on the identification plates) within each Lot of RRS Assemblies, provided that the LAT sample contains a minimum of three RRS Assemblies from each of the subassembly configurations.“ 4.4.2.2: Add th
8、e following words to end of paragraph: “Rejected lots shall be dispositioned in accordance with the applicable requirements of MIL-STD-105.“ PAGE 7 4.5.2.5: Delete entire paragraph. PAGE 8 4.5.3.3: Delete entire paragraph and substitute the following: “4.5.3.3 Vibration test.- The vibration test sha
9、ll he performed intwo phases, gross operating vibration and performance vibration. Total operating time shall be seven minutes, five minutes for gross operating and two minutes for performance. The input vibration amplitude shall be reduced to zero between the two portions. The RRS shall have all in
10、put power removed for a minimum of 10 minutes prior to initiation of the Performance Vibration Test. Acceptance criteria shall be as specified in paragraph 3.2.2.2. “4.5.3.3.1 Gross operating vibration.- The RRS shall be tested while operating during vibration per MIL-STD-810CI Method 5142, Procedur
11、e V, Part 2, Curve AF of Figure 514.2-5 at 7.6 g RMS. Power shall be applied per Figure 1 with the exception of the null store time which shall be 3.0 ? 2.0 sec instead of 1.6 f 0.2 sec. 2 I t Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-b32
12、3Y (3) L3 W 7977706 03116072 L W MIL-P- 63 23 4 (AR) AMENDMENT 3 .!4.5.3.3.2 Performance vibration.- The RRS shall be tested while operating with power application per Figure 1 during . vibration per MIL-STD-810CI Method 514.2, Procedure V, Part 2, Figure 514.2-5, Curve AF except at 2.4 g RMS.“ PAGE
13、 8 4.5.3.4: Delete entire paragraph a.nd substitute the following: “4.5.3.4 - Relative humidity test.- The RRS shall be tested in accordance with the humidity environment specified in MIL-STD-810, Method 507.1, Procedure V, one cycle only, and shall be tested at 72 2 18OF for zero rate input to the
14、requirement of 3.2.1.3 within 1 hour after humidity exposure.“ PAGE 12 Replace Figure 1 with new Figure 1 attached. PAGE 13 Replace Figure 2 with new Figure 2 attached. PAGE 15 Replace Figure 4 with new Figure 4 attached. PAGE 24 Table II, Major defect 105: Delete in its entirety. PAGE 25 Table III,
15、 Para Ref/Insp Method: Delete in its entirety and substitute with the following: “4.5.3.3, 4.5.2.1 thru 4.5.2.4.“ i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-63234 (3) 13 W 7779706 03Ltb093 3 MI Ly P-63234 (AR) AMENMNT3 :( . -. _. 11.5 VD
16、C POWER +15.0 VDc - POWER Nuu STORE 10.75 + 0.75 vM3 - I I 14.5 VDC MINIMUM I I II II I I I S I I I I & 1.6 :I I, I I 1 I I I I I I to I I 47 I I 1 I +o02 - 0.24e2.0 + 0.1*-* - TIME SECONDS Figure 1, Timing Sequence 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
17、se from IHS-,-,-“ MIL-P-b3234 (3) L3 7777906 034607LI 5 W MIEP-63234 (AR) AMENDMENT 3 . I. I I I I I I I RATE OUTPUT SIGNAL VOLTS WITH RESPECT TO OUTPUT AT ZERO ROLL RATE -1800 I 1 1 I 1800 2QOZ PROJECTILE ROLL RATE DEGPEC -2000 , ( FIGURE 2. Roll Rate Chatput Boundaries Provided by IHSNot for Resal
18、eNo reproduction or networking permitted without license from IHS-,-,-MIL-P-6323q (3) 13 9779906 0346075 7 6 MIL-P-63234 (AR) AMENDMENT 3 I. 1 I I 5 I I I I I I PROJECTILE LL RATE ATEND OF mq, STORE DEG/SEC I I ! I O. 6“/Sec 6 8 u1 3800 4350 4000 t I I ! I 1 I I E o 1000 I 2090 3000 3560 tn -O. 6O/S
19、ec -1.c, 2 -1.2. E! E -l.Oo/Sec It NOTE: 120 MV/SEC = 1 DEG/SEC (-1 a I -2.0. Figure 4. Comnd Signal Drift Rate Boundaries 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-63239 (3) 13 373390b 0346036 3 MIL-P-63234(AR) AMENDMENT 3 The margins
20、of this amendment are marked with an asterisk or vertical lines to indicate where changes (additions, modifications, corrections,deletions) from the previous amendment were made. This was done as a convenience only and the Government assumes no responsibility whatsoever for any inaccuracies in these
21、 notations. Bidders and contractors are cautioned to evaluate the requirements of this document based an the entire content irrespective of the marginal notations and relationship to the last previous amendment. Custodian: Army-AR Preparing activity: Army-AR (Project 1320-AB30) 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
