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External rotor
FOI80 series
External rotor
FOI80 series

DDR motors are torque motors that directly drive the load without any transmission components. DDR motors have a compact structure and high rigidity. 

Strong. They generate high torque by using high-energy permanent magnets. At the same time, they are equipped with built-in optical encoders, which make the system have better positioning accuracy. 

Higher bit precision and a more dynamic response. The use of high-rigidity crossed roller bearings enhances the mechanical characteristics of the system.

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Product Parameters
Overall dimensions
Product Parameters
FO180 Series Technical Data
Speifiation FOI80-Z01-A00-N01
Rated voltage V 220V
Peak torque N.m 3.5
Continuous torque N.m 1
Maximum velocity rps 5
Continuous velocity rps 4
Rotation position Encoder resolution pulse/rev 2097152
Engraved line number Lines 8192
Absolute accuracy arc-sec ±25
Repeatabilityaccuracy arc-sec ±2.5
Zero point pulse/rev 1
Maximum power KVA 0.11
Rated power KVA 0.025
Torque constant Nm/Arms 0.6
Back EMF constant Vp/(krpm) 51.3
Terminal Resistance n 3.8
Terminal Inductance mH 2.5
Continuous current Arms 1.7
Peak current Arms 5.9
Pole pairs - 11
Load Rotor inertia kg.cm2 21
Axial load(forward) N 200
Axial load(inversion) N 100
radial load Nm 10
Mechanical accuracy μm 30
Weight kg 1.6 
*The above parameters are all obtained through tests in accordance with the LINKHOU experimental standards.。
Outline dimension drawing