Gyroscopic/Directional Pins

Precision Pins: Balancing the Future

Directional precision pins (with tolerances down to .000003” [.000076mm] on OD’s/ID’s and .000010” [.000254mm] flatness) are manufactured by our experienced precision machinists with specialized and custom equipment. In most cases, precision grinding and lapping is required to maintain the finishes and tolerances required by our customers. Many of the directional precision pins manufactured by the machinists require special tooling or fixturing to hold, grind or inspect the part. Some of the surface finishes we are required to hold today could basically be scratched by grains of dust.   Materials most commonly used include carbides and hardened steels.  The highest level of care must go into manufacturing every step of the way.

Gyroscopes and Precision Pins

Gyroscopes are commonly used in aircraft instrumentation such as altimeters, compasses, and turn coordinators. These instruments contain a wheel or rotor which is rotating at a high RPM (revolutions per minute) which gives the system properties of rigidity and precession. The gyro (rotor) can be pressure or vacuum driven. A special pump on the engine drives the gyro (rotor). Many flight instruments today have a mechanical gyroscope encompassed within the system. The precision pins that Precision Solutions produces are used in directional/gyroscoping applications, providing directional support as a components in a much larger system.

Directional Aerospace Precision Pins

Directional Precision Pins for Instrumentation

Gyroscopic precision pin applications are used frequently in instrumentation for both the aerospace and the Energy segment.  Used mostly for navigation, directional pins can also stabilize and orient cameras, instrumentation and robots for drilling in the oil and gas industry.  Precision pins assembled within gyroscopes help enable accurate orientation of subsea drilling applications.


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From precision grinding to lapping and engineering services, we provide exceptional customer service and expedited delivery options to all of our customers.