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How do they measure cup pressure
C.U.P is measured with a copper crusher. Basically it is a hole precisely drilled into the chamber of the test gun. The hole is there to accept a copper pellet that is measured before and after the cartridge is fired.
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Stress Analysis and Modification of the M-11 Copper Crusher …
Abstract : A stress analysis on the M-11 Copper Crusher Gage was performed to determine possible flaws in design which prevent repeatability of pressure measurements. As a result of the analysis, a modification was made to the design.
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Study of Pressures Recorded on Copper Crusher …
v Gun No. of Rds, No. of Ot.uges Med, Gal. ~it.,]or g.ol. 1211 1 2 1 ll·l" 17 9 1 105 mM A.A. 27 2 ·.a th one exception, gauges containing test coppers were dies.s'lembled anc:l the copoerA …
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[PDF] Improved M-11 Copper Crusher Gage | Semantic …
Abstract : Recent testing of the M-11 Copper Crusher gage indicates that it does not meet the NATO standards for precision at the high end of its operating range.
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[PDF] Improved M-11 Copper Crusher Gage | Semantic …
Abstract : Recent testing of the M-11 Copper Crusher gage indicates that it does not meet the NATO standards for precision at the high end of its operating range. The Ballistic Research Laboratory (BRL), of the Armament Research and Development Command (ARRADCOM), at the request of the Materiel Testing Directorate (MTD), of the Test and Evaluation Command …
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[PDF] Improved M-11 Copper Crusher Gage | Semantic Scholar
Abstract : Recent testing of the M-11 Copper Crusher gage indicates that it does not meet the NATO standards for precision at the high end of its operating range.
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Stress Analysis and Modification of the M-11 Copper …
The M-11 Copper Crusher Gage is a device which measures peak pressure developed in the chamber of large caliber weapons. This gage is one of two models used by the U.S. Army in testing gun systems and is used for high pressure measurements between 150 and 550 MPa. In the Third NATO Crusher Gage Comparison Trials held at Meppen,
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ASSIST-QuickSearch Document Details
Copper Crusher Spheres for Cannon and Mortar Pressure Gauges, General Specification for Scope: This specification covers copper crusher spheres for use in crusher gauges, primarily intended for use in measuring pressures in weapons.
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M855 clone issues
Maximum Average Pressure 55,000 CUP (M11 copper crusher), 58,114 psi on conformal transducer or 62,366 psi on channel transducer.
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STANAG 4113
This specification covers copper crusher spheres for use in crusher gauges, primarily intended for use in measuring pressures in weapons.
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ASSIST-QuickSearch Document Details
Copper Crusher Spheres for Cannon and Mortar Pressure Gauges, General Specification for Scope: This specification covers copper crusher spheres for use in crusher …
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Study of Pressures Recorded on Copper Crusher …
v Gun No. of Rds, No. of Ot.uges Med, Gal. ~it.,]or g.ol. 1211 1 2 1 ll·l" 17 9 1 105 mM A.A. 27 2 ·.a th one exception, gauges containing test coppers were dies.s'lembled anc:l the copoerA meastired each time they were subjected to a nressure. G~uge containine copper No, 19 v•as disassembled aftP.r bP.ing insertPd in seventeen rounds
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Copper Washers
Keadic 320Pcs 12 Sizes Copper Washers Kit, Copper Crush Sealing Washers Assortment Kit Metric Sealing Washers Flat Washers Flat Ring Oil Drain Plug Crush Washer Gasket for Automotive. 4.7 out of 5 stars. 728. 50+ bought in past month. $16.97 $ 16. 97. FREE delivery Wed, Dec 18 on $35.00 of items shipped by Amazon.
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MEMORANDUM REPORT ARBRL-MR-03129 STRESS …
1. Assembly Sketch of M-11 Copper Crusher 10 2. Pressure vs. Remaining Length for M-11 Copper Crusher . . 12 3. Crusher Pressure vs. Piezo Pressure 14 4. Finite Element Grid of Copper Crusher With Loading Scheme 17 5. Deformed Finite Element Grid; Result of 550 MPa at -40°C. 18 6. Result of 827 MPa Applied to Modified M-11 Crusher Gage . 21 7.
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Weapon Chamber Pressure Measurements
Calibration of the gage is accomplished by compressing copper spheres on a dynamic pressure generator at pressures ranging from 55,000 kPa (8,000 psi) through 386,000 kPa (56,000 psi).
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Stress Analysis and Modification of the M-11 Copper …
The M-11 Copper Crusher Gage is a device which measures peak pressure developed in the chamber of large caliber weapons. This gage is one of two models used by the U.S. Army in testing gun systems and is used for high pressure measurements between 150 and 550 MPa. …
WhatsApp: +86 18221755073
How do they measure cup pressure
C.U.P is measured with a copper crusher. Basically it is a hole precisely drilled into the chamber of the test gun. The hole is there to accept a copper pellet that is measured …
WhatsApp: +86 18221755073
NATO
This specification covers copper crusher spheres for use in crusher gauges, primarily intended for use in measuring pressures in weapons. This document is referenced by: STANAG 4423 - CANNON AMMUNITION (12.7 TO 40 MM) - SAFETY AND SUITABILITY FOR SERVICE EVALUAllON. ...
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THE Bureau Standards
4 TechnologicPapersoftheBureauofStandards IIpressiontests—Continued Page 4.Resultsofcompressiontests—Continued (e ...
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Dynamic Calibration Method for Copper Crusher Gauges …
From our point of view, this quasi-static calibration does not consider particularly the dynamic behavior of the copper crusher especially required for ballistic dynamic measurements. This might explain the difference of up to 20% in peak pressures between the crusher values and that measured by a piezoelectric pressure transducer, currently ...
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Defense Technical Information Center
Recent testing of the M-11 Copper Crusher gage indicates that it does not meet the NATO standards for precision at the high end of its operating range.
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ID 11mm COPPER CRUSH WASHERS / 6 PACK
ITEM DESCRIPTION - Internal Dia : 11 mm, MATERIAL - Copper, KIT INCLUDES - 6 x M11 copper washer, ITEM SITUATION - Brand New, SUPPLIER - kinugawa turbo
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M855 clone issues
Maximum Average Pressure 55,000 CUP (M11 copper crusher), 58,114 psi on conformal transducer or 62,366 psi on channel transducer. Tolerance: No individual cartridge in the test may exceed 61,000 CUP (64519 psi by conformal transducer and 69,170 psi by channel trandsucer), nor shall the average pressure + three standard deviations exceed those ...
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Improved M-11 Copper Crusher Gage,
Improved M-11 Copper Crusher Gage, [James M. Bender] on Amazon. *FREE* shipping on qualifying offers. Improved M-11 Copper Crusher Gage. Skip to main content.us. Delivering to Lebanon 66952 Update location Books. Select the department you want to search in. Search Amazon. EN ...
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