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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



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