Servo Motor and Drive System for Rotary Tables

Product Specifications

Technical details and manufacturing context for Servo Motor and Drive System

Definition

A servo motor and drive system is an electromechanical component of a rotary table that converts electrical signals into precise mechanical motion. It consists of a servo motor (typically AC or DC) and a drive controller that regulates position, velocity, and torque. Within a rotary table, this system enables controlled rotational movement with high accuracy, repeatability, and dynamic response for applications such as indexing, contouring, and positioning workpieces during machining or assembly processes. The system operates on closed-loop feedback control. The drive controller receives position/speed commands and compares them with feedback from an encoder or resolver on the motor shaft. It adjusts the electrical power (voltage and frequency) sent to the motor to minimize error, ensuring precise control of the rotary table's angular position and movement. Typical specifications include rated power from 0.75 to 15 kW, rated torque from 2.4 to 48 N·m, rated speed from 1500 to 3000 r/min, positioning accuracy of ±0.05°, and repeatability of ±0.01°. Input voltage is 380–480 V AC, frequency 50/60 Hz, protection class IP54–IP65, ambient temperature -10 to 40°C, insulation class F, weight 15–120 kg, and dimensions from 200×300×150 to 400×600×300 mm. These values are reference ranges; verify model-specific data with the manufacturer. The system is used in rotary tables for precise angular positioning in machining centers, assembly lines, and other automation equipment. Selection requires matching torque, speed, and accuracy to the application's load and cycle time. The drive interface typically includes command signals (analog or digital) and feedback from an encoder or resolver. Maintenance involves checking for abnormal noise, vibration, or overheating, and ensuring proper cooling and electrical connections. Failure modes include encoder faults, drive overcurrent, and motor winding insulation breakdown. Always consult the legal manufacturer for specific installation, commissioning, and maintenance procedures.

Working Principle

The system operates on closed-loop feedback control. The drive controller receives position/speed commands and compares them with feedback from an encoder or resolver on the motor shaft. It adjusts the electrical power (voltage and frequency) sent to the motor to minimize error, ensuring precise control of the rotary table's angular position and movement.

Common Materials

Electrical steel laminations, Copper windings, Permanent magnets (neodymium), Aluminum/steel housing

Technical Parameters

Parameter	Typical range	Notes & selection driver
Rated Power	0.75–15 kW	Select based on load torque and speed requirements.IEC 60034-1
Rated Torque	2.4–48 N·m	Must exceed load torque with safety factor.IEC 60034-1
Rated Speed	1500–3000 r/min	Higher speed reduces torque; match to application.IEC 60034-1
Positioning Accuracy	±0.05 °	Critical for indexing and machining precision.ISO 230-2
Repeatability	±0.01 °	Ensures consistent positioning over cycles.ISO 230-2
Input Voltage	380–480 V AC	Three-phase; other voltages on request.IEC 60038
Frequency	50/60 Hz	Auto-sensing or selectable.IEC 60038
Protection Class	IP54–IP65	Higher IP for dusty or wet environments.IEC 60529
Ambient Temperature	-10–40 °C	Derate above 40°C; below -10°C may require preheating.IEC 60034-1
Insulation Class	F	Class F allows 155°C max winding temperature.IEC 60085
Weight	15–120 kg	Includes motor and drive; affects mounting and handling.
Dimensions (W×H×D)	200×300×150–400×600×300 mm	Envelope for motor and drive; verify clearance.

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

Servo Motor
Converts electrical energy to mechanical rotation with precise control

Material: Electrical steel, copper, magnets
Drive Controller
Processes command signals and feedback to regulate motor power

Material: Electronic components, aluminum housing
Feedback Encoder
Provides real-time position/speed data to the controller

Material: Glass/plastic disk, photoelectric sensors
Servo Drive
Amplifies control signals and supplies regulated power to the servo motor while processing feedback

Material: Electronic components, aluminum housing
Power Cables Part
Transmit electrical power from the drive to the motor

Material: Copper conductors, insulation materials
Feedback Cable Part
Transmits encoder signals from the motor to the drive

Material: Shielded copper conductors

Applied To / Applications

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

Rotary Table

View system integration details

Manufacturers of Servo Motor and Drive System

Manufacturer profiles associated with Servo Motor and Drive System.

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Frequently Asked Questions

What is the typical positioning accuracy of this servo system?

The reference range is ±0.05° as per ISO 230-2. However, actual accuracy depends on the specific model, load, and installation. Always verify with the manufacturer.

What input voltage and frequency are required?

The standard input voltage is 380–480 V AC, three-phase, with a frequency of 50/60 Hz (auto-sensing or selectable). Other voltages may be available on request.

What is the ambient temperature range for operation?

The reference range is -10°C to 40°C. Above 40°C, derating may be required; below -10°C, preheating may be necessary. Confirm with the manufacturer.

What protection class is available?

The protection class ranges from IP54 to IP65, depending on the model. Higher IP ratings are suitable for dusty or wet environments. Verify the specific rating for your application.

Data Basis

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

Preliminary Technical Classification

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pressure:	Standard atmospheric (non-pressurized enclosure)
other spec:	IP65/IP67 protection, 0-100% relative humidity (non-condensing), ≤1000m altitude
temperature:	-10°C to +40°C (operating), -20°C to +70°C (storage)

Servo Motor and Drive System

Product Specifications

Applied To / Applications

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