Measurement and navigation equipment

GMN has been involved in the manufacture of special bearings for navigation systems, starting our company’s long tradition in measurement equipment.

Precision guaranteed

GMN bearings and bearing units for measurement equipment provide the highest precision and stable quality with low installation space and weight. Products include:

Rotary encoder
Navigation systems (e.g. gyrocompass)
Probes of coordinate measuring systems

The challenges for measurement technology:

System accuracies up to <1 μm
Low, non-repeatable beat (NRR)
High system rigidity
High tuning accuracy
Low starting and running friction torque
Compact dimensions (thin-section bearing)
Low system weight (materials, construction)
Absolute cleanliness during assembly

Optimized Engineering

Development and manufacturing products and solutions for measurement equipment places significant requirements on design, manufacturing, measurement systems and component handling. 100% inspection of individual parts and total systems are a significant condition for constant quality and the highest precision.

Significant performance criteria are:

Very compact designs using GMN’s manufacturing technologies for thin-walled bearings
Innovative, weight-saving compound techniques
Assembly in laminar flow hoods

Request for special bearings

Optimized Engineering

GMN bearings and bearing units for measurement equipment provide the highest precision and stable quality with low installation space and weight. Products include: Navigation systems (such as gyro compasses), rotary pulse generators, probes for coordinate measurement systems.

Flange bearings for positioning systems

Special design (thin-walled, double-row)
Special cage (toroid)
Very low, specified starting torque
Constant, specified friction torque
Very high running accuracy
Highest tuning accuracy
Material: stainless steel (AISI 440 C)

Bearings for rotary sensors

As a single bearing with a special design (dimensions, cage, sealing) …

Thin-ring bearings (compact design space)
Very high running accuracy
Bearings paired and matched
Lifetime lubrication

… fully assembled unit (bushing and bearing)

Very high running accuracy
Bushing material: Steel

Bearings for feeler heads in coordinate measurement machines

Fully assembled unit (bushing and bearing)
Thin-ring bearings (compact design space)
Bearings paired and matched
Very high running accuracy
High stiffness
Lifetime lubrication
Bushing material: Aluminum