Compact Design High Precision Direct Drive Torque Motor

●  Introduction

The TDB-040-038-NH-AY direct drive (DD) torque motor features a compact structure, high precision, and fast response, making it suitable for high-precision positioning and direct drive applications. Combining compact size with strong performance, it is well suited for semiconductor equipment, precision stages, and automation systems.
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Specification

PerformanceUnitPerformanceUnit
Continuous Torque0.13 N ·mPeak Torque0.39 N ·m
Continuing Current0.63 ArmsPeak Current1.9 Arms
rated power7 WTorque constant0.21 N ·m/Arms
Resistance@25℃7.5 Ohms L-LInductance1.5 mH
Back-EMF constant@25℃0.123 Vrms/rad/sMoment of Inertia5x10^-6 Kg ·m^2
Accuracy±40 Arc secRepeatability±2.5 Arc sec
Max.Axial Load20 NMax.Moment Load0.4 N ·m
Axial Runout5 umRadial Runout5 um
Max.Speed500 rpmMass of Motor0.075 Kg
Pole Number22Resolution819200 Counts/Rev
Diameter40 mmHeight38.5 mm
Based on digital encoders; standard end-of-travel limits.
Relevant parameters and specifications are subject to change without prior notice.
For optional contact bounce levels, measurements are based on constant load and constant temperature.