#Direct-drive motors (4)

Prima 1 robotic hand: 22 DOF with vision and touch

@spaceandtech_ · 170 views · 2026-09-02

Tecnotion QTR 160 Frameless Torque Motors (4.1-103.9 Nm continuous)

Tecnotion (Netherlands) QTR 160 is the largest frame of the QTR frameless direct-drive torque motor family: 160 mm stator OD, 108-111 mm hollow rotor ID, six models with 17-140 mm stacks (QTR-A-160-17/25/34/60/114 and QTR-X-160-140); continuous torque 4.1-103.9 Nm, peak 6.2-155.3 Nm, ultimate 9.3-244.8 Nm, up to 4000 rpm and torque constants 0.31-9.24 Nm/Arms - a high torque-density fit for humanoid hip/knee joints and heavy direct-drive rotary tables.

COMPONENT

Frameless torque motorsTecnotionQTRDirect-drive motorsTorque motors

Tecnotion QTR 105 Frameless Torque Motors (1.4-12 Nm continuous)

Tecnotion (Netherlands) QTR 105 frameless direct-drive torque motors: 105 mm OD with flat stacks from just 17 mm and a large inner diameter for easy integration in medical and precision rotary tables; continuous torque 1.4-12.0 Nm, peak 1.9-18.1 Nm, ultimate 3.0-28.4 Nm, optional winding variants and digital hall sensors; the QTR family spans frame sizes 65/78/105/133/160 for semiconductor, printing and rotary direct-drive applications.

COMPONENT

Frameless torque motorsTecnotionQTRDirect-drive motorsTorque motors

NSK Megatorque Motor PS/PN Series Hollow Direct-Drive Motors (5-45 N·m rated, EtherCAT)

NSK Megatorque Motor PS/PN series are hollow-shaft direct-drive motors (OD φ150/φ280 mm) with 5/45 N·m rated and 15/135 N·m peak torque, φ56/φ50 mm hollow bore, built-in absolute position sensor at 4,194,304 counts/rev, absolute positioning accuracy 60 arc-sec (±30) and ±2 arc-sec repeatability; paired with EGC (EtherCAT) / ECC drivers for high-speed multi-axis synchronous control in semiconductor, inspection and precision indexing applications.

COMPONENT

Direct-drive motorsDD MotorTorque motorsNSKMegatorque