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Coreless BIM series
BIM3 series
Coreless BIM series
BIM3 series

The coil adopts distributed winding, with a high slot fill factor and good heat dissipation effect. 

The moving coil has no iron core, so there is no attraction between the moving coil and the stator magnetic track. 

The coreless rotor has no cogging effect and runs smoothly.

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Product Parameters
Overall dimensions
Product Parameters
BIM3 Series Technical Data
Performance Parameters Symbol Unit BIM3-60 BIM3-120 BIM3-180 BIM3-240 BIM3-300
Peak Force Fp N 144 288 432 576 720
Continuous Force Fc N 28 56 84 112 140
Motor Constant Km N/SQRT (W) 5.9 8.4 10.3 11.9 13.3
Peak Current lp Arms 13 13 13 13 13
Continuous Current Ic Arms 2.3 2.3 2.3 2.3 2.3
Resistance@25℃ Rm Ohms L-L 2.8 5.6 8.4 11.2 14
Inductance L mH L-L 2 4 6 8 10
Back EMF Constant Ke Vpeak/m/s L-L 9.7 19.5 29.2 39 48.7
Force Constant Kf N/Arms 12.2 24.4 36.5 48.7 60.9
Electrical Time Constant Te ms 0.71 0.71 0.71 0.71 0.71
Electrical Cycle(N to N) 2T mm 60 60 60 60 60
Max Coil Temperature Tmax 130 130 130 130 130
Magnetic Attraction Fa kN 0 0 0 0 0
Coil Mass Mc kg 0.25 0.5 0.75 9 1 1.25
Track Mass Mw kg/m 9
*The above parameters are all obtained through tests in accordance with the LINKHOU experimental standards.。
Outline dimension drawing