Teknomotor ATC Spindle 1.1kw ISO20


Teknomotor wanted to offer a best in class product for the most demanding customers and we believe at BG Precision Teknomotor is the highest quality CNC Spindle available on the market today.


  • Compressed Air Supply in accordance with ISO 8573-1, classes 2,4,3
  • Compatible VFD
  • ISO20 Toolholders
SKU: ATC1.1 Category: Tags: , , ,


Teknomotor designed a smaller and lighter version of their Automatic Tool Changer ATC71. This ATC41-ISO20 is the lightest and shortest Automatic Tool Changer available in the market. The high quality and the low weight (<6kg) make this motor perfectly suitable to be installed on automatic desktop CNC routers and small robot applications for machining wood, aluminium and plastics. Teknomotor wanted to offer a best in class product for the most demanding customers. This version is equipped with ISO20. We also offer all the required parts to run the ATC motor, like a VFD, toolholders, cabling, etc.

Product Features:

  • Automatic Tool Changer compatible with ISO20 Toolholders to ER11, ER16 and ER20
  • Designed for radial and axial loads
  • DB – Double ceramic Bearings in spindle nose
  • Pressurized spindle to keep dust/chips out
  • Stator: three-phase induction motor, insulation class F
  • Rotor: copper squirrel cage
  • Frame: closed frame is obtained from an extruded aluminium bar
  • Ventilation: electric fan cooling (24VDC)
  • Degree of Protection: IP54
  • Balancing: executed according to ISO 1940: balancing grade 2.5 @ 24000rpm

Model Number:

ATC41-A-DB-ISO20-SN S6(1.1kW) base18krpm max24krpm

WARNING: Do not run the motor without a toolholder attached, it will cause bearing damage!

Additional information

Weight10 kg
Dimensions60 × 20 × 20 cm




Air Requirement

Supply the electrospindle with compressed air in accordance with ISO 8573-1, classes 2,4,3:
• class 2 for solid particles: solid particles size < 1μm
• class 4 for the humidity: dew point < 3°C (37.4°F)
• class 3 for the total oil: concentration of oil < 1mg/m3
Failure to comply with these specifications may result in product malfunction. The guarantee is not valid if pollutants are found during repair operations.


BG Precision does not and cannot know how end users will install their electrospindles. The installer or customer must therefore perform risk assessment specific to each installation and application.

The installation should only be carried out by a technician qualified to do so


It is the purchaser responsibility to read, understand and comply to information presented in the usermanual

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