Drive Motor / Actuator for Tool Exchange Arms - Specifications & Verification

Product Specifications

Technical details and manufacturing context for Drive Motor / Actuator

Definition

The drive motor/actuator is the power source within the tool exchange arm system, responsible for generating precise linear or rotational motion to position, engage, and disengage tools from the spindle or storage magazine. It ensures accurate and repeatable tool changes in automated manufacturing environments. This component converts electrical energy into mechanical motion. Typically, a servo motor receives control signals from the machine's CNC or PLC system. These signals dictate the required position, speed, and torque. The motor's rotation is then translated, often via a ball screw, gearbox, or direct drive mechanism, into the precise linear or rotary movement needed to actuate the tool gripper or the entire arm assembly. The drive motor/actuator is selected based on the arm's inertia and cycle time, with rated power ranging from 0.75 to 5.5 kW, rated torque from 5 to 35 N·m, and rated speed from 1500 to 3000 r/min. It operates on a three-phase supply of 380 V AC ±10% at 50/60 Hz, conforming to IEC 60038. Protection class ranges from IP54 to IP65 per IEC 60529, and insulation class is F (Class H available for high-temperature environments) per IEC 60085. The ambient temperature range is -20 to 60°C, with derating above 40°C, and relative humidity up to 95% non-condensing. Positioning accuracy is ±0.05 mm and repeatability is ±0.02 mm at the tool center point, per ISO 9283. The weight ranges from 15 to 60 kg, affecting arm dynamics. Materials include electrical steel for laminations, copper windings, permanent magnets (e.g., neodymium), and aluminum or steel housing. These specifications are directory reference ranges; verify model-specific values and standards with the legal manufacturer or supplier.

Working Principle

The drive motor/actuator converts electrical energy into mechanical motion. A servo motor receives control signals from the CNC or PLC, dictating position, speed, and torque. The motor's rotation is translated via a ball screw, gearbox, or direct drive into precise linear or rotary movement to actuate the tool gripper or arm assembly. This enables accurate tool changes.

Common Materials

Electrical Steel (for motor laminations), Copper Windings, Permanent Magnets (e.g., Neodymium), Aluminum or Steel Housing

Technical Parameters

Parameter	Typical range	Notes & selection driver
Rated Power	0.75–5.5 kW	Select based on arm inertia and cycle time
Rated Torque	5–35 N·m	Must exceed required torque by 1.5x
Rated Speed	1500–3000 r/min	Higher speed reduces cycle time
Supply Voltage	380 ±10% V AC	Three-phase; other voltages on requestIEC 60038
Frequency	50/60 Hz	Auto-sensing or selectableIEC 60038
Protection Class	IP54–IP65	IP65 for washdown environmentsIEC 60529
Insulation Class	F	Class H available for high tempIEC 60085
Ambient Temperature	-20–60 °C	Derate above 40°C
Relative Humidity	≤95 %	Non-condensing
Positioning Accuracy	±0.05 mm	At tool center pointISO 9283
Repeatability	±0.02 mm	Critical for tool changeISO 9283
Weight	15–60 kg	Affects arm dynamics

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Stator
The stationary part containing the windings that create the rotating magnetic field.

Material: Electrical Steel Laminations, Copper
Rotor
The rotating part, often containing permanent magnets, that turns within the stator's magnetic field.

Material: Permanent Magnets, Steel
Encoder/Resolver
Provides precise feedback on rotor position and speed to the drive controller for closed-loop operation.

Material: Glass/Plastic Disk, Photoelectric/ Magnetic Sensors
Output Shaft Part
Transmits the mechanical torque from the rotor to the connected drive mechanism (e.g., ball screw, gear).

Material: Alloy Steel

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Tool Exchange Arm

View system integration details

Manufacturers of Drive Motor / Actuator

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Frequently Asked Questions

What is the typical power range for this drive motor/actuator?

The rated power ranges from 0.75 to 5.5 kW, selected based on arm inertia and cycle time. Confirm the exact value for your specific model with the manufacturer.

What supply voltage and frequency are required?

The motor requires a three-phase supply of 380 V AC ±10% at 50/60 Hz, per IEC 60038. Other voltages may be available on request; verify with the supplier.

What is the positioning accuracy and repeatability?

At the tool center point, positioning accuracy is ±0.05 mm and repeatability is ±0.02 mm, per ISO 9283. These are reference values; confirm for your application.

What environmental conditions can it operate in?

It operates in ambient temperatures from -20 to 60°C (derate above 40°C) and relative humidity up to 95% non-condensing. Protection class ranges from IP54 to IP65 per IEC 60529.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	0 to 10 bar
other spec:	Max Torque: 50 Nm, Speed Range: 0-3000 RPM, IP Rating: IP65
temperature:	-20°C to 80°C

Drive Motor / Actuator

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards