Editorial Technical Reference

Linear Actuator Module

This page explains how Linear Actuator Module 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

A precision electromechanical component that converts rotational motion into controlled linear displacement.

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

Product Specifications

Technical details and manufacturing context for Linear Actuator Module

Definition
The Linear Actuator Module is a modular component designed for use within an Automated Fixture System. Its primary function is to provide precise, programmable linear motion to position, clamp, or manipulate workpieces or tooling. As the main actuation element, it enables automated positioning and adjustment functions in machinery and equipment manufacturing applications.

The module typically consists of an electric motor, such as a stepper or servo motor, coupled to a lead screw or ball screw mechanism. The motor's rotational motion is converted into linear movement of a carriage or rod through the screw threads. Position and speed are controlled by an integrated or external drive system, allowing for accurate and repeatable positioning.

Key specifications include a stroke length ranging from 50 to 300 mm, maximum thrust from 100 to 2000 N, and maximum speed from 50 to 500 mm/s. Positioning repeatability is ±0.05 mm with encoder feedback. The lead screw diameter ranges from 8 to 20 mm, and the lead screw lead from 2 to 10 mm. The motor type can be stepper or servo, with a rated voltage of 24 V DC (±10%) and rated current from 1.5 to 4.0 A. The module has an IP rating of IP54 to IP65 per IEC 60529, operates in temperatures from -40 to 85 °C, and withstands relative humidity up to 85% (non-condensing). The housing is made of aluminum alloy 6061-T6 (ASTM B221), and the module weighs between 1.5 and 8.0 kg depending on stroke and motor size.

Materials used include aluminum alloy for the housing, steel for the lead screw or ball screw, and engineering plastics for bearings or bushings. These specifications are typical ranges; actual values must be confirmed with the manufacturer for specific models and applications. Standards listed are for reference only and do not imply certification or compliance of any particular product.
Working Principle
The Linear Actuator Module operates by converting rotational motion from an electric motor into linear displacement. A stepper or servo motor drives a lead screw or ball screw. As the motor rotates, the screw threads engage with a nut or carriage, translating rotation into linear movement. The speed and position are regulated by a drive system that controls motor rotation, often using encoder feedback for precise positioning. The lead screw's lead determines the linear distance per revolution, affecting speed and resolution. The module's thrust capacity depends on motor torque and screw efficiency. The housing and bearings support the load and maintain alignment.
Common Materials
Aluminum Alloy (housing), Steel (lead screw/ball screw), Engineering Plastics (bearings/bushings)
Technical Parameters
ParameterTypical rangeNotes & selection driver
Stroke Length50–300 mmStandard range; custom strokes available
Maximum Thrust100–2000 NAt rated speed and duty cycle
Maximum Speed50–500 mm/sLoad-dependent
Positioning Repeatability±0.05 mmWith encoder feedback
Lead Screw Diameter8–20 mmAffects load capacity and rigidity
Lead Screw Lead2–10 mmDetermines speed and resolution
Motor TypeStepper or servoStepper for cost, servo for dynamic performance
Rated Voltage24 ±10% V DCOther voltages on request
Rated Current1.5–4.0 ADepends on motor and load
IP RatingIP54–IP65Higher IP for dusty or wet environmentsIEC 60529
Operating Temperature-40–85 °CNon-condensing
Relative Humidity≤85 %Non-condensing
Housing MaterialAluminum alloy 6061-T6Anodized for corrosion resistanceASTM B221
Weight1.5–8.0 kgDepends on stroke and motor size

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
  • Motor
    Provides rotational torque to drive the screw mechanism.
    Material: Various (e.g., steel, copper, magnets)
  • Lead Screw / Ball Screw
    Converts rotational motion from the motor into linear motion.
    Material: Steel (often hardened)
  • Carriage / Nut Part
    The moving part that travels along the screw, to which the external load is attached.
    Material: Steel or Bronze
  • Limit Switches
    Sensors that detect the end of the stroke to prevent over-travel.
    Material: Plastic, Metal
  • Housing
    Encloses the screw and carriage and takes the reaction load.
  • Bearings
    Support the screw ends so it turns true under thrust.

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: 0 to 10 bar
other spec: Max load capacity: 5000 N, Stroke length: 50-1000 mm, Speed: 1-100 mm/s
temperature: -20°C to +80°C
Media Compatibility
✓ Clean air ✓ Hydraulic oil ✓ Water-based fluids
Unsuitable: Abrasive slurry environments
Sizing Data Required
  • Required force (N)
  • Stroke length (mm)
  • Operating speed (mm/s)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing wear and seizure
Cause: Inadequate lubrication, contamination ingress (dust, moisture), or misalignment leading to excessive friction and heat buildup.
Motor or drive system failure
Cause: Electrical overload, voltage spikes, thermal stress from continuous duty cycles, or mechanical binding causing excessive current draw.
Maintenance Indicators
  • Unusual grinding or screeching noises during operation indicating mechanical wear or binding
  • Erratic movement, stuttering, or failure to reach position limits suggesting electrical or control system issues
Engineering Tips
  • Implement a preventive lubrication schedule using manufacturer-recommended greases and ensure proper sealing to prevent contamination
  • Install condition monitoring sensors (vibration, temperature, current draw) to detect early degradation and enable predictive maintenance

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 15552: Pneumatic fluid power - Standard cylinders ANSI/B93.5M: Hydraulic fluid power - Cylinders DIN ISO 6432: Pneumatic fluid power - Single rod cylinders

Quoted from the published standard.

Manufacturing Precision
  • Bore diameter: +/-0.02mm
  • Parallelism of mounting surfaces: 0.1mm
Quality Inspection
  • Dye Penetrant Test for surface defects
  • Load testing for stroke accuracy and force output

Manufacturers of Linear Actuator Module

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Frequently Asked Questions

What is the typical stroke length range?

The standard stroke length range is 50 to 300 mm, but custom strokes may be available. Confirm the exact stroke required for your application with the manufacturer.

What motor types are available?

The module can be equipped with either a stepper motor or a servo motor. Stepper motors are typically chosen for cost-effectiveness, while servo motors offer better dynamic performance. The choice depends on the application's speed and precision requirements.

What is the positioning repeatability?

With encoder feedback, the positioning repeatability is ±0.05 mm. This value is load-dependent and should be verified under actual operating conditions.

What environmental conditions can the module withstand?

The module has an IP rating of IP54 to IP65, suitable for dusty or wet environments. It operates in temperatures from -40 to 85 °C and relative humidity up to 85% (non-condensing). Always check the specific model's ratings with the manufacturer.

Data Basis

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

Preliminary Technical Classification
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