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    The HIWIN permanent magnet synchronous linear motor LMFA has a built-in water cooling system, with a special electromagnetic and thermal design.This motor has a high thrust density, and a max peak force of 20,000 N. The three-phase motor is comprised of an iron core primary side (forcer) and a permanent magnet secondary side (stator).
    The stator can be infinitely extended, so the stroke will be unrestricted. The LMFA series is widely used in the machine tool industry, laser processing machines, glass cutting machines and active vibration suppression platforms.

  • Water-cooled design
  • Ultrahigh thrust density
  • UL and CE certification
  • Continuous force range from 74N to 7917N
  • Peak force range from 282N to 20,827N
Unit of Measure

Technical Attributes

Winding

 N/A Standard

Continuous Force [N]

 N/A 1979

Continuous Current [Arms]

 N/A 11.5

Continuous Force(WC) [N]

 N/A 3958

Continuous Current(WC) [Arms]

 N/A 23.1

Peak Force (1s) [N]

 N/A 10413

Peak Current (Within 1s.) [Arms]

 N/A 71.6

Force Constant[N/Arms]

 N/A 171.4

Attraction Force [N]

 N/A 20580

Maximum Winding Temperature [ºC]

 N/A 120

Electrical Time Constant [ms]

 N/A 12

Resistance (line to line at 25ºC) [Ω]

 N/A 1.5

Resistance (line to line at 120ºC) [Ω]

 N/A 2

Inductance (line to line) [mH]

 N/A 18

Pole Pair Pitch [mm]

 N/A 46

Back emf Constant (line to line) [Vrms/(m/s)]

 N/A 98.9

Motor Constant [N/√W]

 N/A 114.2

Thermal Resistance [ºC/W]

 N/A 0.24

Thermal Resistance(WC) [ºC/W]

 N/A 0.06

Thermal Time Constant [s]

 N/A 150

Minimum Flow Rate [L/Min]

 N/A 6.2

Temperature of Cooling Water [ºC]

 N/A 20

Pressure Drop [bar]

 N/A 1.8

Thermal Switch

 N/A 1 x KTY84-130+ 1 x (3 PTC SNM120 In Series)

Maximum Velocity at Maximum Force [ms]

 N/A 2.61

Maximum Electric Power Input [W]

 N/A 42393

Maximum Dissipated Heat Output [W]

 N/A 1583

Stall Force(WC) [N]

 N/A 2771

Stall Current(WC) [Arms]

 N/A 16.2

Max. DC Bus [VDC]

 N/A 750

Mass of Forcer [kg]

 N/A 29

Dimensional Drawing


LMFA3/LMFA4 Serie - Dimensional Drawing

Dimensions

Lf - Length of Forcer

 N/A 697 mm

Wf - Width of Forcer

 N/A 188 mm

Lf1

 N/A 563.5 mm

Wf1

 N/A 54 mm

Wf2

 N/A 80 mm

Wf3

 N/A 173.5 mm

Wf4

 N/A 89 mm

Wf5

 N/A 30 mm

N

 N/A 8

Stator Dimensional Drawing


Stator, LMFA3/LMFA4 Series - Dimensional Drawing

Stator Dimensions

Stator

 N/A LMF4S1
LMF4S1E
LMF4S2
LMF4S2E
LMF4S3
LMF4S3E

Ls

 N/A 184 mm276 mm460 mm

Ls1

 N/A 189.03 mm281.03 mm465.03 mm

Ls2

 N/A 48.9 mm

Ls3

 N/A 92 mm184 mm368 mm

Ws

 N/A 180 mm

Ws1

 N/A 161 mm

Hs

 N/A 18 mm18.5 mm

Hs1

 N/A 11.8 mm12.0 mm

ds

 N/A 9 mm

d1s

 N/A 15 mm

Hd1s

 N/A 6 mm

N

 N/A 2 3 5

Assembled Dimensions

Total Installation Height

 N/A 66.1 mm

Air Gap

 N/A 0.9 mm1.4 mm