NdFeB
Alnico
SmCo
Magnets for Coreless Motors
Magnets for Coin Motors
Flexible Magnets
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Coreless and coin motors magnets




QM, the one of the largest manufacturer of coreless and coin motors magnets in China which percentage of market coverage is above 50%, offering speciality and experience in precise machining and anti-corrosion surface treatment. Our products widely used in the range of micro motors, vibration motors, electro-sound devices, automatic controllers, microwave communication, computers, medical apparatus etc.
The NdFeB Magnetic materials we can manufacture: N50M, N48M, N48H, N45SH, 40UH, 35EH, N30AH etc.
The usual specification:

OD4.5xID2xT9.5, OD4.4xID2.4xT8.3, OD4.3xID2xT8.3, OD4xID2xT5, OD4xID2xT6, OD3.9xID2xT5.5, OD3.9xID2xT6, OD3.85xID2xT5.2, OD2.7xID1.3xT3.5, OD2.7xID1.3xT4.1, OD2.7xID1.3xT5, OD2.6xID1.7xT2.8, OD2.7xID1.7xT3.5, OD2.7xID1.7xT4.1, OD2.7xID1.7xT5.5, OD2.65xID1.25xT4.1, OD2.56xID1.27xT3.5, OD13.42xID5xT1.03, OD10.48xID4.15xT1.28, OD10.18xID3.18xT1.08, OD9.98xID4.98xT1.98, OD9.88xID5.08xT1.32, OD9.23xID5.18xT0.98, OD8.98xID3.93xT1.28, OD8.52xID4.5xT0.93, OD8.5xID4.5xT0.8, OD8.38xID4.7xT0.97, OD7.73xID4.05xT0.92, OD7.45xID3.41xT1.38, OD6.5xID2xT1, OD6.5xID2.85xT0.6.


Technique Speciality
1. Ultra-thin-wall, deep-hole, high-precision
Dimension precision: <0.03mm
Concentricity: <0.02mm
2. The rotproof capability of the surface treatment

1) The salt-fog Experiment : >100 hours (inner hole)
2) The PCT(Pressure Cooker Test) Experiment: >100 hours
3) The moisture and heat Experiment : >500 hours
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Add: 1512 Room Gelankangdu First Building, Guihua Road, Changsha, P. R. China.P.C. 41000
Tel: +86 731 82039 474 Fax: +86 731 84455 474
Qingdao office:Add: 516 Room, 12A Donghai West Road, Qingdao, P. R. China.P.C. 266071
Tel: +86 532 8097 2318 Fax: +86 532 8093 8659
USA office:Add: 6775 Verde Ridge Road, Rancho Palos Verdes, CA 90275 USA
Tel: +1 310 375 8169 Fax: +1 310 872 5390
European Office:Add:ARVEE UG (haftungsbeschränkt), Landwehr 65, 44534 Lünen, Germany.
Tel: +49 (0) 2306 8564380 Fax: +49 (0) 2306 8564379 Mobile +49 (0) 160 96 87 59 65
E-mail:info@QM-magnets.com   www.QM-magnets.com
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