Artillery Cannon Breech Assembly Coordinate Measuring Machine

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Summary from the notice

The proposed Coordinate Measuring Machine shall meet or exceed the following minimum requirements: 2.1 Machine Structure and Measuring Volume a. Fixed bridge or equivalent high-precision bridge-style Coordinate Measuring Machine. b. Measuring volume shall be no less than: X-Axis: 900 mm Y-Axis: 1,500 mm Z-Axis: 800 mm c. Machine shall utilize a tri-cision, thermally stable bridge construction or an equivalent structural design that provides equal or superior stiffness, geometric stability, and measurement performance. d. Machine shall include vibration damping technology or an equivalent vibration isolation solution suitable for a production inspection environment. 2.2 Performance Requirements. The CMM shall provide performance equal to or better than the following: a. Maximum volumetric measurement speed of not less than 510 mm per second. b. Maximum acceleration capability of not less than 1,700 mm per second?. c. Length measurement error (MPEE) of 1.5 plus per 333 microns or lower in accordance with ISO 10360-2. d. Maximum permissible probing error (MPL) of 1.5 microns or less. e. Maximum permissible scanning performance (MPE THP) of 2.9 microns or less within a 45-second test cycle. Based on ISO1360 specifications. Equivalent performance metrics validated through recognized industry standards will be considered.2.3 Probe and Sensor Configuration a. Machine shall include a motorized articulating probe head capable of automatic indexing. b. Probe head shall provide indexing…

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