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Schenck Aerospace Equipment
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Satellites, rockets and missiles depend on Schenck equipment to accurately measure and correct mass properties. These units must comply with critical
performance specifications for proper guidance and operation.
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If the moment of inertia deviates, the spacecraft attitude control will be inaccurate. |
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If the total mass deviates, so will the trajectory. |
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If the product of inertia is not stable
it will cause a "coning" motion and affect
the attitude. |
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If the center of gravity deviates, a tumbling force
will be induced. |
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Schenck offers static and dynamic machines to determine the mass properties, material strength, and operational parameters of spacecraft. Our Moment Of Inertia (MOI) systems can accurately measure the "unit under test" at an average frequency of 0.5 cps. Products of inertia, or couple unbalance, can also be measured in these systems at speeds from 30 to 300 rpm.
Smaller rotors, such as gyroscopes used in navigational equipment, must be balanced to ultra-precision tolerances. Schenck small rotor balancing machines have a sensitivity of up to 0.02 micro-inches with the precision accuracy and repeatability needed to meet the demanding requirements for gyroscope applications. These soft-bearing machines feature a unique isotropic support design which provides soft suspension in 360º to minimize any damage to the bearings caused by a high initial unbalance.
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