Missiles
Dexter provides magnetic solutions for some of the most effective and advanced missiles currently in use by the United States and its allies.
At Dexter, we provide high-performance magnets and critical magnetic assemblies for end application in:
• Mirror Assemblies
• Rader Guidance
• Gyroscopic Assemblies
• Fin actuation
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Inertial Navigation Systems
Inertial navigation systems (INS) use a combination of accelerometers and angular rate sensors (gyroscopes) to detect altitude, location, and motion. They may also be capable of detecting attitude, position, velocity, temperature, or magnetic fields.
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Accelerometers
An accelerometer is a device that measures the vibration, or acceleration of motion of a structure, using an electromechanical sensor that is designed to measure either static or dynamic acceleration.
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Gyroscopes
The gyroscope is basically a massive rotor that is fixed in light supporting rings called gimbals. The gimbals have frictionless bearings that isolate the central rotor from outside torques.
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Missile Fin Actuation
• At least one set of aerodynamic surfaces of canards: wings or tail fins
• At least one set of aerodynamic surfaces is designed to rotate and allow the missile
to maneuver
• Control and actuation usually require limited stroke motion achieved with servo
motors; actuators or stepper motors
• Require fin lock to maintain position - torque force requirements
• Motion transfer mechanism
• Control - feedback loop; control electronics
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Infrared Guided Technology
• Military technology utilizing infrared tracking and measurement to control and guide missiles to target.
• Passive weapon guidance system with no target awareness - good for sneak attack
• System consists of an infrared seeker, computer and actuator
• Physical specifications are generally very tight and hard to meet. Tolerance, finish and workmanship are essential.