Editorial Technical Reference

Servo Motors/Actuators

This page explains how Servo Motors/Actuators is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

Precision motion control components that convert electrical signals into precise mechanical movement for robotic positioning and force application.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Servo Motors/Actuators

Definition
Servo motors and actuators are critical electromechanical components within a Robotic Routing Arm that provide controlled rotational or linear motion. They enable precise positioning, speed control, and torque application for routing operations, ensuring accurate material removal and path following. These components receive control signals from the arm's controller and translate them into mechanical motion with high repeatability and responsiveness. The closed-loop control system continuously adjusts the motor's operation based on feedback from an encoder or resolver, minimizing error and ensuring consistent performance. Typical specifications include rated torque from 0.1 to 500 N·m, rated speed from 1000 to 5000 rpm, position accuracy of ±0.01 mm, and repeatability of ±0.005 mm. They operate on 24–48 V DC with rated current from 1 to 10 A, and are designed for an operating temperature range of -20 to 60 °C. The IP rating ranges from IP54 to IP65 per IEC 60529, and insulation class F per IEC 60085 allows a maximum winding temperature of 155 °C. Weight ranges from 0.5 to 50 kg, shaft diameter from 8 to 35 mm, and backlash is ≤0.1°. Materials include electrical steel laminations, copper windings, neodymium magnets, aluminum housing, and stainless steel shafts. These values are directory reference ranges and must be verified with the legal manufacturer or supplier for the specific model and application. Always confirm model-specific values and standards before procurement.
Working Principle
Servo motors operate using closed-loop control systems where a controller sends position/speed commands to the motor driver. The motor rotates to the commanded position, and an encoder or resolver provides real-time feedback to the controller, which continuously adjusts the motor's operation to minimize error. Actuators convert this rotational motion into linear movement through mechanisms like ball screws or gear reducers.
Common Materials
Electrical steel laminations, Copper windings, Neodymium magnets, Aluminum housing, Stainless steel shafts
Technical Parameters
ParameterTypical rangeNotes & selection driver
Rated Torque0.1–500 N·mSelect based on load and acceleration requirements.
Rated Speed1000–5000 rpmHigher speed reduces torque; match to application.
Position Accuracy±0.01 mmCritical for precision positioning tasks.
Repeatability±0.005 mmEnsures consistent performance over cycles.
Rated Voltage24–48 V DCCommon industrial DC supply; other voltages available.
Rated Current1–10 ACheck driver compatibility and thermal limits.
Operating Temperature-20–60 °COutside range may degrade performance or damage.
IP RatingIP54–IP65Higher rating for dusty or wet environments.IEC 60529
Insulation ClassFClass F allows 155°C max winding temperature.IEC 60085
Weight0.5–50 kgAffects mounting and dynamic response.
Shaft Diameter8–35 mmMatch to coupling or pulley bore.
Backlash≤0.1 °Low backlash for high-precision applications.

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 with permanent magnets that follows the stator's magnetic field
    Material: Neodymium magnets on steel core
  • Encoder
    Provides precise position and speed feedback to the controller
    Material: Optical glass/plastic disk with photoelectric sensors
  • Ball Screw
    Converts rotational motion to linear motion in linear actuators
    Material: Hardened steel with precision-ground threads
  • Brake
    Holds position when power is off to prevent unwanted movement
    Material: Friction materials with electromagnetic coil
  • Gear Reducer Optional
    Trades motor speed for torque and resolution where a ball screw alone is not enough.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Servo Motors/Actuators.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric (sealed units), IP65/IP67 rated for dust/water ingress protection
other spec: Vibration: 5-2000 Hz at 0.5-1.0G, Humidity: 20-80% RH non-condensing
temperature: -10°C to +40°C (operating), -20°C to +80°C (storage)
Media Compatibility
✓ Industrial automation environments ✓ Cleanroom manufacturing ✓ Precision assembly lines
Unsuitable: Submerged or high-pressure washdown applications without proper IP69K rating
Sizing Data Required
  • Required torque/force (Nm or N)
  • Maximum speed/RPM
  • Positioning accuracy/repeatability (arc-min or μm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Encoder failure
Cause: Contamination from dust, oil, or moisture entering the encoder housing, leading to signal loss or inaccuracies; or mechanical wear from vibration or misalignment.
Bearing failure
Cause: Inadequate lubrication, overloading, misalignment, or contamination causing excessive friction, heat, and eventual seizure or wear.
Maintenance Indicators
  • Unusual audible noise (grinding, clicking, or humming) during operation
  • Excessive vibration or erratic movement inconsistent with normal operation
Engineering Tips
  • Implement regular preventive maintenance: clean cooling vents, check and replace filters, ensure proper lubrication of bearings per manufacturer specifications, and verify alignment.
  • Monitor operating conditions: use vibration analysis and thermal imaging to detect early signs of wear or overheating, and maintain stable power supply to prevent electrical stress.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 13849-1:2015 - Safety of machinery IEC 61800-5-1:2007 - Adjustable speed electrical power drive systems CE Marking - EU compliance for electromagnetic compatibility (EMC) and low voltage directives

Quoted from the published standard.

Manufacturing Precision
  • Shaft runout: ≤0.02mm at 100mm from flange
  • Mounting flange flatness: ≤0.05mm across entire surface
Quality Inspection
  • Vibration analysis - testing for abnormal frequencies and resonance points
  • Thermal imaging - monitoring temperature distribution during continuous operation

Manufacturers of Servo Motors/Actuators

4 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

LEVA Packaging Equipment Co., Ltd. (Levapack)
Guangzhou, Guangdong, CN
ISO CE CSA RoHS
Listed on the company's own website · profile compiled by CNFX from public sources
Changzhou Jkongmotor Co., Ltd.
Changzhou, Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Hangzhou HZPT Machinery
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Shenzhen Lichuan Electric Co., Ltd.
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

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Frequently Asked Questions

What is the typical rated torque range for these servo motors?

The directory lists a rated torque range of 0.1 to 500 N·m. The actual value depends on the specific model and application requirements such as load and acceleration. Always verify with the manufacturer.

What position accuracy and repeatability can be expected?

Typical position accuracy is ±0.01 mm and repeatability is ±0.005 mm. These values are reference ranges; confirm the exact specifications for the chosen model.

What are the standard electrical specifications?

Rated voltage is 24–48 V DC, and rated current is 1–10 A. These are typical ranges; check the motor driver compatibility and thermal limits for your application.

What environmental and insulation ratings are listed?

The IP rating is IP54–IP65 per IEC 60529, and insulation class is F per IEC 60085, allowing a maximum winding temperature of 155 °C. Verify these ratings with the supplier for your operating environment.

Data Basis

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

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.
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