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Magnetic Axis Linear Motor

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A permanent magnet linear motor is a device that converts electrical energy directly into mechanical energy for linear motion. It requires transmission mechanisms such as gears and lead screws required by traditional rotary motors. Its core feature is that it uses permanent magnets (such as rare earth iron boron) to generate a magnetic field and drives the mover (moving part) along a linear motion track through electromagnetic induction.
 
  • LM0820LI

  • Tiger

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Magnetic axis linear motor is a device that directly converts electrical energy into linear motion, and its core feature is the use of magnetic axis structure in the secondary part. The following is a system analysis of the motor:

Parameter

Symbol

Unit

LM0820S

LM0820D

LM0820T

LM0820Q

LM0820L

Electrical Performance Parameters

Continuous Thrust

Fc

N

1.11

1.67

2.5

3.33

4.17

Peak Thrust

Fp

N

4.44

6.67

10

13.33

16.67

Continuous Current

Ic

Arms

0.6

0.6

0.6

0.6

0.6

Peak Current

Ip

Arms

2.4

2.4

2.4

2.4

2.4

Thrust Constant

Kf

N/Arms

1.85

2.78

4.72

5.56

7.868

Back EMF Constant (Line-to-Line)

Ke

Vpeak/(m/s)

2.04

2.79

4.18

5.57

7

Line Resistance (25℃)

R25

Ω

6.72

9.87

14.8

19.73

25.94

dq Axis Line Inductance

Ld/Lq

mH

0.972

2.1

3.1

4

4.772

Pole Pair Distance

mm

20

30

Coil Heat Resistance

Tmax

120

Mechanical Performance Parameters and Installation Dimensions

Mover Mass

Mf

g

33

43

65

86

122

Stator Unit Mass

Ms

Kg/m

0.33

Mover Length

Lf

mm

30

40

55

70

85

Mover Dimension

A×B

mm

20×20

Mover Hole Diameter

D1

mm

9

Stator-to-Mover Air Gap

G

mm

0.5

Installation Spacing

P1

mm

24

34

49

64

79

Installation Spacing

P2

mm

10

Standard Stroke

S

mm

<200

Support Length

L1

mm

10

Stator Total Length

Ls

mm

Ls=S+Lf+2×L1

Tiger Motion's Magnetic Axis Linear Motor represents the cutting edge of direct-drive linear motion technology, offering unparalleled precision, efficiency, and reliability. Designed for industrial automation, semiconductor manufacturing, medical devices, and robotics, this motor eliminates mechanical transmission components, delivering smoother motion, higher accuracy, and longer service life. Below is a detailed breakdown of its technical specifications, performance advantages, and industry applications.


Technical Specifications & Performance Data

Tiger Motion's Magnetic Axis Linear Motor represents the cutting edge of direct-drive linear motion technology, offering unparalleled precision, efficiency, and reliability. Designed for industrial automation, semiconductor manufacturing, medical devices, and robotics, this motor eliminates mechanical transmission components, delivering smoother motion, higher accuracy, and longer service life.Our Magnetic Axis Linear Motor series (LM0820S/D/T/Q/L) is engineered for diverse thrust requirements, ensuring optimal performance across different industrial applications. Key electrical and mechanical parameters include:

  • Continuous Thrust (Fc): Ranging from 1.11N to 4.17N, catering to varying load demands.

  • Peak Thrust (Fp): Delivers 4.44N to 16.67N for high-acceleration movements.

  • Efficient Power Utilization: With a thrust constant (Kf) of 1.85–7.868 N/Arms, the motor ensures high force output with minimal energy loss.

  • Low Heat Generation: Coil heat resistance (Tmax) of 120°C guarantees stable operation under prolonged use.

  • Precision Engineering: Stator-to-mover air gap (G) of 0.5mm ensures minimal friction and high positional accuracy.

The modular design allows flexible configuration, with standard strokes under 200mm and customizable lengths to fit specific automation needs.


Advanced Magnetic Axis Technology for Superior Motion Control

Unlike conventional linear motors, our magnetic axis structure in the secondary part enhances magnetic flux distribution, reducing cogging effects and improving dynamic response. This innovation ensures:

  • Smoother Motion Profile: Reduced ripple forces enable ultra-precise positioning, critical for CNC machining and optical alignment systems.

  • Higher Efficiency: Back EMF constant (Ke) of 2.04–7 Vpeak/(m/s) minimizes energy waste, lowering operational costs.

  • Compact & Lightweight: Mover mass (Mf) as low as 33g reduces inertia, enabling rapid acceleration/deceleration (ideal for pick-and-place robots).


Mechanical Robustness & Easy Integration

The motor's mechanical design prioritizes durability and ease of installation:

  • Standardized Dimensions: Mover size (A×B) of 20×20mm and hole diameter (D1) of 9mm simplify mounting.

  • Flexible Configuration: Installation spacings (P1/P2) adapt to multi-axis setups, while support length (L1) of 10mm ensures structural stability.

  • Long Service Life: Stainless steel components and high-temperature-resistant coils withstand harsh industrial environments.


Industry Applications & Future-Ready Solutions

Our Magnetic Axis Linear Motor is pivotal in industries demanding high-speed, high-precision motion:

  • Semiconductor Manufacturing: Enables sub-micron accuracy in wafer handling and lithography stages.

  • Medical Automation: Powers surgical robots and lab automation with silent, vibration-free operation.

  • Electric Vehicles (Battery Assembly): Facilitates fast, precise electrode stacking.

  • 3D Printing & CNC Machinery: Delivers repeatable accuracy for additive manufacturing and cutting tools.

Aligned with Industry 4.0 trends, the motor integrates seamlessly with IoT-enabled controllers for predictive maintenance and real-time performance monitoring.


Why Choose Tiger Motion's Magnetic Axis Linear Motor?

Direct Drive Efficiency: Eliminates backlash and mechanical wear from ball screws/belts.

Customizable Solutions: Adjustable stroke lengths and thrust options (LM0820 series) for tailored applications.

Cost-Effective Ownership: Low maintenance and energy-saving design reduce TCO (Total Cost of Ownership).


Contact Tiger Motion for Your Linear Motion Needs

Upgrade your automation systems with Tiger Motion's high-performance Magnetic Axis Linear Motor. Our engineering team is ready to assist with technical consultations, custom configurations, and after-sales support.

Request a quote today or contact us at [Your Email/Phone] to discuss how our motors can optimize your production line's speed, precision, and reliability.


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