BAUMULLER GDM120N‑5280750

Product Name: Ironless‑Rotor DC Disc Servo Motor

Product Description: Permanent‑magnet excited disc‑type DC servo motor with ironless rotor and drum commutator, featuring ultra‑low rotor inertia for ultra‑high‑dynamic motion applications.

Technical Specifications:

Rated Power: 750 W

Category:
Description

Rated Voltage: 200‑240 VAC Protection Class: IP65 Mounting Form: IM B14 flange mounting Axial Installation Thickness: 36.5 mm minimum Speed Range: 0‑4000 rpm Control Mode: Vector control

Functional Features:

Ironless rotor eliminates cogging torque, achieves smooth rotation even below 1 rpm. Ultra‑low rotor inertia supports extremely fast acceleration and deceleration. Flat disc‑type compact structure saves axial installation space. Drum‑type commutator guarantees stable commutation performance across full‑speed range. Flange‑mount design supports horizontal and vertical installation orientations.

Application Scenarios:

Screen printing equipment, medical analysis instruments, centrifuges, precision measuring equipment, textile machinery, high‑speed positioning automation stations, rehabilitation‑equipment drive systems.

Working Principle:

Permanent‑magnet stator generates magnetic field. Ironless disc‑shaped rotor coil generates electromagnetic torque after energization. Drum‑shaped commutator implements current commutation to maintain continuous‑direction rotor rotation. Rotor outputs high‑dynamic torque without iron‑core hysteresis‑loss interference.

Material Composition:

Aluminum alloy housing, high‑energy permanent‑magnet stator magnets, copper‑winding ironless disc rotor, carbon‑brush commutator assembly, metal flange mounting base.

Structural Characteristics:

Ultra‑thin flat disc overall structure, flange‑mount installation interface, rear‑end brush‑maintenance access cover, shaft‑end threaded hole for coupling installation.

Installation Requirements:

Mount on flat un‑deformed flange surface. Avoid hammer‑impact force on shaft end during coupling installation. Lightly grease shaft‑end before installing pulley or coupling. Respect specified mounting position for horizontal or vertical installation. Secure wiring terminals reliably.

Usage Notes:

Regularly inspect carbon‑brush wear status. Do not run motor exceeding rated speed and torque. For vertical‑shaft installation, implement anti‑drop protection for shaft‑connected loads. Disconnect power supply before performing any mechanical maintenance work.

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