" We challenge You to challenge us "
NORDMAG was established to deliver extensive combined knowledge over permanent magnets and electrical machines for use of our clients.
We have a long experience with in permanent magnet business. Our knowledge includes magnetic measurement, permanent magnet motor design, sensor magnet geometry design and magnet trading. Our experience is a combination of practical know how and deep understanding of the magnetism.
Services
Consultation
Nordmag offers consultation services from magnetic measurements to magnet recycling. We also offer tailor made training about magnetics and physics.
Consultation and training
Magnetic measurements
Permanent magnets
Magnet recycling
Electrical machines
Physics
Engineering
During the past years Nordmag has designed multiple integrated electrical machines for special traction, marine and industrial applications. We also do thermal calculations in special cases.
Permanent magnet motor design
Magnetic coupling design
Magnetic circuit design
Thermal engineering
Aerospace
Automotive
Electrification
Marine
Nuclear power
Products
Permanent magnets
Nordmag supplies magnets according to customer specifications. All materials and shapes are possible, including laminated magnets, magnets for Halbach machines. Also, the highest GBD grade neomagnets are available.
NdFeB
SmCo
AlNiCo
Ferrite
Magnet assemblies
Nordmag supplies magnet assemblies either according to the customer specifications or assemblies that are designed in co-operation between Nordmag and the customer.
Rotors
Couplings
Bearings
Litz cabels
Nordmag operates as an agent for Specialcorde.
Litz cables by specialcorde
Why Choose Us?
Expertise You Can Trust
Experience of twenty years
Sami Ruoho has worked with permanent magnets since 2002. Since 2015 he has been running his own company Nordmag!
Wide range Experience
The experience of Sami Ruoho ranges from magnet manufacturing through permanent magnet circuit design through trading to magnet recycling.
Many Industries served
Nordmag has served multiple industries during its existence ranging from marine to special traction applications.
The Magnet Man
Man behind the company
DR. SAMI RUOHO
Sami Ruoho has experience of permanent magnets since 2002. He started Nordmag in 2015 to meet the demand of services in permanent magnet motor design. Now, in 2025 Nordmag is having its 10th anniversary.
CV
1997 MSc Applied Physics
1997 – 2002 Experience in electronics (industry and education)
2002 Experience in permanent magnet business since 2002
2011 DSc
2012 – 2015 Experience in nuclear industry
2013 – 2015 starting of motor design and magnet trading
2015 NORDMAG was founded
2024 eMBA Tampere University
DOCTORAL DISSERTATION
Modeling Demagnetization of Sintered NdFeB Magnet Material in Time-Discretized Finite Element Analysis (Link)
CONTACT
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