120 mm xm325 objective non-line-of-sight ......ardecardec providing america advanced armaments for...
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ARDECARDEC
Providing America Advanced Armaments for Peace and War
1
“Innovative Armament Solutions for Today and Tomorrow”
120 MM XM325 OBJECTIVE NON-LINE-OF-SIGHT MORTAR CANNON TECHNOLOGY (ON-MT) PROGRAM
BRIEFING FOR THE GUNS & MISSILES SYMPOSIUM -23 APRIL 2007
DAVID C. SMITH, P.E.
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ISO 9001 CertifiedFS15149
2ARDECARDEC“Innovative Armament Solutions for Today and Tomorrow”
ON-MT MORTAR CANNONOVERVIEW
• BACKGROUND: IN 2001, ARDEC TECHNOLOGY BASE DEVELOPED A PROGRAM TO DEMONSTRATE KEY 120 MM BREECH LOADED MORTAR TECHNOLOGIES, INCLUDING A CANNON, AUTOLOADER, FIRE CONTROL AND THE INTEGRATION OF THESE ITEMS. FOCUS HERE IS CANNON.
• SEPARATE BRIEFING ON INTEGRATION– SYSTEM INTEGRATION SESSION, THOMAS DEVOE
• GOALS & OBJECTIVES: DEVELOP A LIGHTWEIGHT 120MM MORTAR CANNON FOR USE ON A 20 TON VEHICLE
– WEIGHT: < 800 POUNDS– BREECH LOADED– RETAIN MORTAR ROUND AT ALL ELEVATIONS– HIGH RATE OF FIRE– NO ALTERATION TO EXISTING AMMUNITION– NO EXPENDABLE DEVICES (STUBCASE, CLIPS, ETC)– IGNITION TRAIN RELIABLE & SAFE
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ISO 9001 CertifiedFS15149
3ARDECARDEC“Innovative Armament Solutions for Today and Tomorrow”
ON-MT MORTAR CANNONFEATURES
• CANNON DESIGN FEATURES:– SCREW BLOCK BREECH – LIGHTWEIGHT + RELIABLE– MORTAR TUBE THICKER & LONGER THAN 120 MM M121
• HIGH RATE OF SUSTAINED FIRE (SIMILAR TO DROP FIRE)• LONGER TRAVEL FOR INCREASED RANGE• INCREASED STIFFNESS FOR DIRECT FIRE
– ROUND RETENTION FEATURES– CARTRIDGE FALL BACK FEATURES– UNIQUE IGNITION SUB-SYSTEM– COUNTER RECOIL BREECH OPENING VIA CAM PLATE
• CANNON RECEIVED TYPE DESIGNATION XM325 IN 2004
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ISO 9001 CertifiedFS15149
4ARDECARDEC“Innovative Armament Solutions for Today and Tomorrow”
ON-MT MORTAR CANNONFEATURES
DEBANGE OBTURATOR(SPINDLE NOT SHOWN)
CAM PLATE & ELECTRIC ACTUATOR
SCREW BLOCK BREECH
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ISO 9001 CertifiedFS15149
5ARDECARDEC“Innovative Armament Solutions for Today and Tomorrow”
ON-MT MORTAR CANNONMORTAR BOMB RETENTION SHOE
SPECIAL RETENTION SHOE & SOLENOID HOLDS THE BOMB IN POSITION
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ISO 9001 CertifiedFS15149
6ARDECARDEC“Innovative Armament Solutions for Today and Tomorrow”
ON-MT MORTAR CANNONVACUUM - BOMB POSITIONING DEVICES
CUSTOM DESIGNVACUUM VALVE
ASSEMBLY
MECHANICAL FALL BACK
LATCH
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ISO 9001 CertifiedFS15149
7ARDECARDEC“Innovative Armament Solutions for Today and Tomorrow”
ON-MT MORTAR CANNONIGNITION SYSTEM
FIRING PIN ROTATES TO
FIRE POSITION AFTER BREECH
CLOSURE
RELIABLE SPINDLE & DEGANGE
OBTURATOR
CAM PLATECOUNTER RECOIL BREECH OPENING
SOLENOID ACTUATES FIRING PIN
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ISO 9001 CertifiedFS15149
8ARDECARDEC“Innovative Armament Solutions for Today and Tomorrow”
ON-MT MORTAR CANNONCOMPONENT ANALYSIS - SEAL
FINITE ELEMENT ANALYSIS OF DEBANGE SEALCONDUCTED TO ASSESS:• ROBUST OPERATION WITH CLOSURE PRE-LOAD• MIN & MAX MATERIAL CONDITIONS• EFFECTS OF THERMAL EXPANSION (RATE-OF-FIRE)• ADEQUATE SEAL ACROSS ALL ZONES
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ISO 9001 CertifiedFS15149
9ARDECARDEC“Innovative Armament Solutions for Today and Tomorrow”
ON-MT MORTAR CANNONCOMPONENT ANALYSIS - MECHANISM
• EXTENSIVE TESTING OF BREECH MECHANISM WAS CONDUCTED TO ASSESS RELIABILITY & FUNCTION:
– ALL ELEVATIONS– WORN SPRINGS– POOR LUBRICATION– TEMPERATURE
EXTREMES
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ISO 9001 CertifiedFS15149
10ARDECARDEC“Innovative Armament Solutions for Today and Tomorrow”
ON-MT MORTAR CANNONDEVELOPMENT SCHEDULE
• Design – Benét Labs October 2003 May 2004• Fabrication – Watervliet Arsenal & Benét Labs – May – August 2004• Developmental Testing (Benét Firing Facility – Malta, NY):
– Firing Test: 08 September - 18 November 2004 – Total Shots Fired: 192
• Disassembly – Rework - Ship: November 2004 – December 2004
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ISO 9001 CertifiedFS15149
11ARDECARDEC“Innovative Armament Solutions for Today and Tomorrow”
ON-MT MORTAR CANNONDEVELOPMENT TESTING
XM325 CANNON S/N 1 IN PROOF FIRINGWRIGHT MALTA TEST STATIONSEPTEMBER 2004
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ISO 9001 CertifiedFS15149
12ARDECARDEC“Innovative Armament Solutions for Today and Tomorrow”
ON-MT MORTAR CANNONDEVELOPMENT SCHEDULE (cont’d)
• Systems Integration & Autoloader Tests (Picatinny Arsenal Firing Range)– Cannon shipped 02 March 05 – Integration Complete 15 May 05– Firing Test 16 May – 14 June 2005 – Total Shots Fired: 15 (including Proof Rounds)
• Elevation and High Rate-Of-Fire Testing – Aberdeen Test Center– Firing Test: July – August 2005– Total Shots Fired: 174 rounds– Demonstrated 12 round per minute
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ISO 9001 CertifiedFS15149
13ARDECARDEC“Innovative Armament Solutions for Today and Tomorrow”
ON-MT MORTAR CANNONSYSTEM INTEGRATION & TESTING
SEPARATE BRIEFING COVERING THE OTHER SUBSYSTEMS AND SYSTEM INTEGRATION – SYSTEM INTEGRATION SESSION
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ISO 9001 CertifiedFS15149
14ARDECARDEC“Innovative Armament Solutions for Today and Tomorrow”
ON-MT MORTAR CANNONSUMMARY
• XM325 CANNON:– ALLOWS LOADING OF ALL CURRENT 120 MM MORTAR AMMO WITHOUT
MODIFICATION– PROVIDES ROUND POSITIONING AND FALLBACK PREVENTION– HAS A SAFE, RELIABLE ROBUST IGNITION SYSTEM– FEATURES A CAM PLATE FOR COUNTER RECOIL OPENING– HAS BEEN TESTED WITH ELECTRICAL ACTUATOR– HAS BEEN DESIGNED AND TESTED FOR HIGH RATES OF FIRE
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ISO 9001 CertifiedFS15149
15ARDECARDEC“Innovative Armament Solutions for Today and Tomorrow”
XM325 MORTAR CANNON AND THE ON-MT SYSTEM HAVE BEEN DEMONSTRATED TO MEET ALL FUTURE COMBAT SYSTEM REQUIREMENTS FOR A NON-LINE-OF-SIGHT MORTAR!!
THE XM325 CANNON HAS BEEN SELECTED BY BAE AND FCS LEAD SYSTEM INTEGRATOR TO BE THE PRIMARY WEAPON OF THE NLOS-M
MORTAR VEHICLE!!