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Maglev Voice Coil Motor
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Magnetic levitation voice coil motor
Magnetic levitation voice coil motor
Magnetic levitation voice coil motor
Features

  • Compact design
  • Zero cable force, with high reliability, acceleration and long lifetime
  • Maglev gravity compensation in vertical. Zero stiffness or constant stiffness magnetic levitation gravity compensation is optional. Optional water - cooling module for higher continuous force and peak force
  • Excellent positioning accuracy up to nano level
  • Applicable for vacuum

 

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Applications
  • Healthcare
  • Semiconductor equipment
Description

This motor adopts combination design, integrating passive magnetic levitation device into the voice coil motor and features compact design with maglev gravity compensation. The maglev force can be customized based on customers' requirements, which can provide broad range amplitude of maglev force.

Technical Specifications
<<<Swipe left to see more parameters

 

MVCM10-2

MVCM50-3

MVCM85-3

MVCM500-4

Travel range

±1 mm

±1.5 mm

±1.5 mm

±2 mm

Clearance of side of coil

2 mm

2 mm

2 mm

2 mm

Maglev compensation force

10 N

50 N

85 N

500 N

Continuous force

1.8 N

5.72 N

10.26 N

20.94 N

Peak force

5 N

19.46 N

37.61 N

65.82 N

Force constant

2.15 N/A

7.2 N/A

8.08 N/A

12.6 N/A

Back EMF constant

2.15 V/(m/s)

7.2 V/(m/s)

8.08 V/(m/s)

12.6 V/(m/s)

Electrical resistance

3.66 ohms

6.06 ohms

4.82 ohms

7.46 ohms

Electrical inductance

0.94 mH

7.38 mH

6.02 mH

8.12 mH

Electrical time constant

0.26 ms

1.22 ms

1.25 ms

1.09 ms

Continuous current

0.84 A

0.79 A

1.42 A

1.66 A

Continuous power

3.34 W

4.98 W

12.63 W

26.82 W

Peak current

2.33 A

2.7 A

5.22 A

5.22 A

Peak power

25.77 W

57.6 W

169.83 W

264.94 W

Drive voltage

24 V

24 V

48 V

60 V

Motor constant

1.12 Sqrt(N²/W)

2.93 Sqrt(N²/W)

3.29 Sqrt(N²/W)

4.61 Sqrt(N²/W)

Weight of coil assembly

42 g

215 g

381 g

630 g

Weight of field assembly

86 g

238 g

327 g

598 g...

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