Linear Systems

Dunkermotoren ST11 SERIES Linear Motor

The Dunkermotoren ST11 Series Linear Motor is a compact and precise solution, delivering exceptional linear motion performance for high-speed, high-accuracy applications. With peak forces reaching 91.9 N and continuous stall forces up to 19.28 N, the ST11 Series is ideal for automation, medical devices, and robotics.

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Dunkermotoren ST11 Series Linear Motor

Features

  • Peak Force: 46N ~ 91.9N
  • Peak Current: 12 Apk
  • Continuous Stall Force: 6.02N ~ 19.28N
  • Peak Acceleration: 359~422 m/s2
  • Maximum Speed: 4.7~5.6 m/s
Selection Table
Type   STA/STB 1104 STA/STB 1108 STA/STB 1112 STA/STB 1116
Peak force @ 25°C ambient for 1 sec N 46 53 68.9 91.9
Peak current @ 25°C ambient for 1 sec Apk 12
Continuous stall force @ 25°C ambient N 6.02 10.83 15.18 19.28
Continuous stall current @ 25°C ambient Arms 1.11 1.73 1.87 1.78
Force constant (sine commutation) N/Arms 5.42 6.26 8.12 10.83
Maximum working voltage VDC 75
Peak acceleration (STA)(1) m/s² 407 359 378 422
Maximum speed (STA)(2) m/s 5.3 5.6 5.4 4.7
Peak acceleration (STB)(3) m/s² 155 119 109 120
Maximum speed (STB)(4) m/s 7.5 7.7 6 5
Repeatability µm 6
Based on a moving thrust rod with 14 mm stroke and no playload.(1)
Based on a moving thrust rod with triangular move over maximum stroke, no playload.(2)
Based on a moving forcer and no playload.(3)
Based on a moving forcer with triangular move over maximum stroke, no playload.(4)
By means of appropriate cooling plate or fan, the continuous force is increased by up to 50%.*
Downloads
st_11_Linear_Motor_Datasheet.pdf
Type   STA/STB 1104 STA/STB 1108 STA/STB 1112 STA/STB 1116
Peak force @ 25°C ambient for 1 sec N 46 53 68.9 91.9
Peak current @ 25°C ambient for 1 sec Apk 12
Continuous stall force @ 25°C ambient N 6.02 10.83 15.18 19.28
Continuous stall current @ 25°C ambient Arms 1.11 1.73 1.87 1.78
Force constant (sine commutation) N/Arms 5.42 6.26 8.12 10.83
Maximum working voltage VDC 75
Peak acceleration (STA)(1) m/s² 407 359 378 422
Maximum speed (STA)(2) m/s 5.3 5.6 5.4 4.7
Peak acceleration (STB)(3) m/s² 155 119 109 120
Maximum speed (STB)(4) m/s 7.5 7.7 6 5
Repeatability µm 6
Based on a moving thrust rod with 14 mm stroke and no playload.(1)
Based on a moving thrust rod with triangular move over maximum stroke, no playload.(2)
Based on a moving forcer and no playload.(3)
Based on a moving forcer with triangular move over maximum stroke, no playload.(4)
By means of appropriate cooling plate or fan, the continuous force is increased by up to 50%.*
st_11_Linear_Motor_Datasheet.pdf

Find the Right Model

Model Number Constant Force (n) Max. Speed (m/s) Repeatability (µm)
product variant STA/ STB 1104 6.02n 5.3m/s 6
product variant STA/ STB 1108 10.83n 5.6m/s 6
product variant STA/ STB 1112 15.18n 5.4m/s 6
product variant STA/ STB 1116 19.28n 4.7m/s 6

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