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MFD series

The motor with iron core is mounted on a row of magnetic rails. The motor with iron core is formed by wrapping copper windings around the iron core. The iron sheet on the back provides an efficient channel for magnetic flux, which can make it circulate between the motor and the magnetic track. In addition, there is a channel to ensure the efficient heat dissipation of the motor. This kind of core structure can produce great force and achieve high efficiency cooling function. In fact, the core structure makes each element have the greatest force. The iron core structure is an economical scheme because only a row of rare earth permanent magnets is needed.

The advantages of cored motors:

1. The force per unit size is very large, because the magnetic field is gathered by using iron cores.

2. Lower cost, using only one row of magnets

3. Good heat dissipation performance, because the use of iron core, the surface area is very large, so it is easy to heat dissipation.

Disadvantage of Cored Motor

1. The attraction between the stator and the stator is 5-13 times the thrust generated by the motor, which makes it difficult to install.

2. Alveolar effect, which limits the stationarity of motion and results in velocity fluctuation

3. The mover is heavier because of the iron core.

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Case

Performance
Winding Constant	Units	MFD-C-140-70-00	MFD-C-280-95-00
Back Emf Constant（P-P)	V/m/sec	105	105
Resistance(p-p)（P-P)@25℃	Ω	5.68	7.38
Inductance（P-P)	Mh	31.72	xx

Electric Parameters
Electric Parameters	Units	MFD-C-140-70-00	MFD-C-280-95-00
Peak Current	Arms	11	11
Peak Force	N	390	790
Force Constant	N/Arms	36	72
Motor Constant	N/√W	15.1	xx
Continuous Current	Arms	4	4
Continuous Force	N	140	280

Thermal Parameters
Thermal Parameters	Units	MFD-C-140-70-00	MFD-C-280-95-00
Thermal Resistance	℃/W	3.9	1.9
Max Winding Temp	℃	120	120

MechanicalPerformance
MechanicalPerformance	Units	MFD-C-140-70-00	MFD-C-280-95-00
Motor Weight	Kg	1.8	3.7
Electric Cycle Length	mm	45	45
* Priority is given to factory-based calibration

直线Motor技术参数
	Continuous Force(N)	Continuous Current (Arms)	Peak Force （N)	Peak Current （Arms）	Force Constant （N/Arms)	Back Emf Constant （V/M/sec）	Motor Weight（Kg）
MFD-C-305-90-00	305	2.7	763	6.8	113	65	3.8
MFD-C-450-110-00	450	2.7	1125	6.8	167	95	4.7
MFD-C-603-135-00	603	2.7	1520	6.8	225	129	6.7
MFD-C-480-90-00	480	4.2	1200	6.8	178	102	5
MFD-C-700-110-00	700	4.2	1750	10.5	167	95	7.3
MFD-C-940-135-00	940	4.2	2350	10.5	224	128	9.6
MFD-C-1490-185-00	1490	9	3725	22.5	166	95	14.8
MFD-C-700-90-00	700	4.2	1750	10.5	167	95	7.5
MFD-C-990-110-00	990	4.2	2475	10.5	236	135	12.5
MFD-C-1350-135-00	1350	9	3375	22.5	150	86	15.9
MFD-C-2090-185-00	2090	9	5225	22.5	232	133	24.2
MFD-C-3000-185-00	3000	13	7500	32.5	231	132	40