Services
OFTTech provides a wide range of services for the design and prototype manufacture of high speed permanent magnet rotors using oil-free or conventional bearings. Applications include turbo compressors and expanders with alternators or motors. With over 30 years' experience and many successful applications, OFTTech provides unique capabilities

Consultancy
We provide consulting services and analyses for:
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Permanent magnet alternator/motors, drive choice
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Rotordynamics, critical speeds, forced response
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Hydrodynamic and hydrostatic bearings
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Air/gas/refrigerant/oil lubrication
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Ceramic hybrid ball bearing application
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Finite element structural, thermal and vibration
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Experimental verification, test rig set up, instrumentation, analysis, interperetation

Design CAD
Computer Aided Design for:
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Permanent magnet components
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Stators and windings
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Bearing parts
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Centrifugal compressor and turbine integration
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General assembly
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Assistance integrating our designs

Manufacture
Worldwide supplier database
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Prototype sourcing
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Prototype manufacturing
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Gas bearing finishing, lapping, air gauging
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Subcontract progress chasing
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Dynamic balancing
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Close collaboration with gas bearing manufacturer FFD Ltd

Software
We provide bespoke numerical analyses for:
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Permanent magnet alternator/motors
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Rotordynamics, critical speeds, forced response
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Hydrodynamic and hydrostatic bearings
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Air/gas/refrigerant lubrication
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Ceramic hybrid ball bearings