Indexing Motor

Product Specifications

Technical details and manufacturing context for Indexing Motor

Definition

An indexing motor is a critical component within indexing mechanisms that enables controlled, stepwise rotational movement. It provides the precise angular positioning required for operations such as part transfer, tool positioning, assembly station indexing, and material handling in automated systems. The motor delivers intermittent motion with accurate stopping positions, allowing machinery to perform sequential operations at predetermined intervals. This motor type is typically used in rotary indexing tables, cam-driven indexers, and other automated equipment where precise positioning is essential. The motor converts electrical energy into mechanical rotation via electromagnetic principles, receiving positioning commands from a controller to execute precise angular movements. Most modern indexing motors incorporate feedback systems such as encoders or resolvers to monitor position and ensure accuracy. They can operate in various modes including single-step indexing, continuous indexing with dwell periods, and programmable multi-position sequences. The motor's performance is characterized by parameters such as rated power, torque, indexing accuracy, repeatability, speed, supply voltage, current, protection class, operating temperature, insulation class, weight, and frame size. These parameters are provided as reference ranges and must be verified for the specific model and application. The motor is typically constructed with electrical steel laminations, copper windings, permanent magnets, and an aluminum or steel housing. It is designed to operate in industrial environments, with protection classes ranging from IP54 to IP65 depending on the model. The operating temperature range is -10 to 40°C, with derating required above 40°C. The insulation class is typically Class F (155°C) per IEC 60085. The frame size ranges from 56 to 132 mm shaft height per IEC 60072. Always confirm model-specific values and standards with the legal manufacturer or supplier before procurement.

Working Principle

The indexing motor operates by converting electrical energy into controlled mechanical rotation through electromagnetic principles. It receives positioning commands from a controller and executes precise angular movements to specific positions. Most modern indexing motors incorporate feedback systems (encoders or resolvers) to monitor position and ensure accuracy. They can operate in various modes including single-step indexing, continuous indexing with dwell periods, and programmable multi-position sequences.

Common Materials

Electrical steel laminations, Copper windings, Permanent magnets, Aluminum or steel housing

Technical Parameters

Parameter	Typical range	Notes & selection driver
Rated Power	0.05–1.5 kW	Depends on load torque and speed
Rated Torque	0.5–20 N·m	Select based on indexing load
Indexing Accuracy	±0.05 °	Higher accuracy requires feedback
Repeatability	±0.01 °	Critical for consistent positioning
Rated Speed	10–300 rpm	Max speed depends on inertia
Supply Voltage	24 ±10% V DC	Other voltages on request
Rated Current	1.5–8 A	At rated torque
Protection Class	IP54–IP65	IP65 for dusty/wet environmentsIEC 60529
Operating Temperature	-10–40 °C	Derate above 40°C
Insulation Class	F	Class F (155°C)IEC 60085
Weight	5–50 kg	Depends on frame size
Frame Size	56–132 mm	Shaft height per IEC 60072

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
Stationary part containing windings that create rotating magnetic field

Material: Electrical steel laminations with copper windings
Rotor Part
Rotating part that responds to magnetic field to produce torque

Material: Permanent magnets or laminated steel
Encoder/Resolver
Provides position feedback for closed-loop control

Material: Optical or magnetic sensing elements with electronics
Brake
Holds position during dwell periods to prevent drift

Material: Friction materials with electromagnetic actuation
Housing Part
Protects internal components and provides mounting interface

Material: Aluminum alloy or steel

Applied To / Applications

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

Indexing Mechanism

View system integration details

Manufacturers of Indexing Motor

Manufacturer profiles associated with Indexing Motor.

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Frequently Asked Questions

What is the typical indexing accuracy of an indexing motor?

The indexing accuracy is typically ±0.05 degrees, but this depends on the model and the feedback system. Always verify the specific value with the manufacturer.

What supply voltage is required?

The standard supply voltage is 24 V DC with a tolerance of ±10%. Other voltages may be available on request, but must be confirmed with the supplier.

What protection class is available?

The protection class ranges from IP54 to IP65 per IEC 60529, depending on the model. IP65 is suitable for dusty or wet environments. Confirm the exact rating for your application.

Can the motor operate in high-temperature environments?

The operating temperature range is -10 to 40°C. Above 40°C, derating is required. For higher temperatures, consult the manufacturer for suitable options.

Data Basis

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

Preliminary Technical Classification

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pressure:	Ambient to 2 bar (typical), up to 5 bar with special seals
other spec:	Indexing accuracy: ±0.05° to ±0.5°, Torque range: 0.5 Nm to 500 Nm, Duty cycle: 10-100% intermittent
temperature:	-20°C to +80°C (operating), -40°C to +100°C (storage)

Product Specifications

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