Editorial Technical Reference

Translation Actuators

This page explains how Translation 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

Mechanical components that provide controlled linear motion within segment erection systems.

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

Product Specifications

Technical details and manufacturing context for Translation Actuators

Definition
Translation actuators are precision mechanical devices integrated into segment erector systems to provide controlled linear displacement for positioning and aligning concrete or steel tunnel segments during construction. They convert rotational input into precise linear output to achieve accurate segment placement. These actuators typically operate using screw mechanisms (ball screws or lead screws) or hydraulic/pneumatic cylinders that convert rotational motion from motors or hydraulic pressure into controlled linear movement. Position feedback systems ensure precise displacement control. The actuators are available in configurations with operating pressures ranging from 1.0 to 1.6 MPa, stroke lengths from 100 to 600 mm, and thrust capacities from 5 to 50 kN at 1.6 MPa. Positioning accuracy is ±0.5 mm with linear encoder feedback. Operating temperature ranges from -20°C to 80°C for standard seals, with a high-temperature option up to 150°C. Protection ratings are IP65 to IP67 per IEC 60529, suitable for washdown environments. Supply voltage is 24 V DC ±10%, with an optional 230 V AC integrated transformer. Power consumption ranges from 120 to 480 W at rated thrust and speed. Speed is adjustable via PWM or analog signal from 5 to 50 mm/s. Cylinder bore diameters range from 40 to 100 mm per ISO 6020-2, determining thrust at given pressure. Materials include anodized aluminum body (6061-T6 per ASTM B221) and stainless steel piston rod. Weight ranges from 15 to 60 kg depending on stroke and bore size. These actuators are designed for precise segment alignment in tunnel construction, offering reliable performance in demanding environments. For procurement, verify model-specific values and standards with the legal manufacturer or supplier.
Working Principle
Translation actuators convert rotational motion from an electric motor or hydraulic pressure into controlled linear movement using screw mechanisms (ball screws or lead screws) or hydraulic/pneumatic cylinders. Position feedback systems, such as linear encoders, monitor displacement and adjust the input to achieve precise positioning. The actuator's thrust and speed are determined by the bore diameter, operating pressure, and motor or hydraulic supply. Selection requires specifying stroke length, thrust capacity, speed range, and environmental conditions. Verification questions include checking the operating pressure range, stroke length, thrust at required pressure, positioning accuracy, and protection rating. Maintenance signals include unusual noise, reduced speed, or position drift, indicating wear or seal failure. Failure boundaries include exceeding maximum thrust or stroke limits, operating outside temperature or pressure ranges, or using incompatible fluids.
Common Materials
Alloy Steel, Stainless Steel
Technical Parameters
ParameterTypical rangeNotes & selection driver
Stroke Length100–600 mmCustom strokes available on request
Thrust Capacity5–50 kNPeak thrust at 1.6 MPa
Positioning Accuracy±0.5 mmWith linear encoder feedback
Operating Temperature-20–80 °CFor standard seals; high-temp option up to 150°C
Protection RatingIP65–IP67IP67 for washdown environmentsIEC 60529
Supply Voltage24 ±10% V DCOptional 230 V AC with integrated transformer
Power Consumption120–480 WAt rated thrust and speed
Speed Range5–50 mm/sAdjustable via PWM or analog signal
Cylinder Bore Diameter40–100 mmDetermines thrust at given pressureISO 6020-2
Material6061-T6Anodized aluminum body; stainless steel piston rodASTM B221
Weight15–60 kgDepends on stroke and bore 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
  • Lead Screw
    Converts rotational motion to linear displacement
    Material: Alloy Steel
  • Motor Housing Part
    Protects and contains the drive motor
    Material: Cast Iron
  • Position Sensor
    Provides feedback for precise position control
    Material: Electronic Components
  • Electric Motor
    Drives the assembly; the BOM already lists the housing built to contain it.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Translation 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: Up to 10 bar
temperature: -20°C to +80°C
load capacity: Up to 50 kN
stroke length: 50-2000 mm
operating speed: 0.01-0.5 m/s
Media Compatibility
✓ Hydraulic oil (ISO VG 32-68) ✓ Water-glycol fluids ✓ Dry inert gases
Unsuitable: Abrasive slurry environments with >5% solids concentration
Sizing Data Required
  • Required force/thrust (kN)
  • Stroke length (mm)
  • Operating cycle frequency (cycles/hour)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Seal degradation and leakage
Cause: Exposure to incompatible fluids, extreme temperatures, or particulate contamination leading to seal hardening, cracking, or extrusion.
Mechanical binding or jamming
Cause: Misalignment during installation, excessive side-loading, internal component wear (e.g., bearings, bushings), or accumulation of debris in the actuator mechanism.
Maintenance Indicators
  • Audible grinding, scraping, or knocking noises during operation indicating internal mechanical interference or wear.
  • Visible fluid leaks (hydraulic oil or pneumatic air) around seals or fittings, or erratic/unstable movement during positioning.
Engineering Tips
  • Implement strict alignment procedures during installation and use alignment verification tools to prevent side-loading and premature wear on internal components.
  • Establish a proactive contamination control program, including regular fluid analysis (for hydraulic types), proper filtration, and seal compatibility checks with operating fluids.

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 linear actuators with detachable mountings ANSI/B93.5: Hydraulic fluid power - Linear actuators DIN EN 1570-1: Safety requirements for lifting tables

Quoted from the published standard.

Manufacturing Precision
  • Stroke length: +/-0.5mm
  • Parallelism of mounting surfaces: 0.05mm
Quality Inspection
  • Leakage test (pneumatic/hydraulic)
  • Load capacity and endurance cycling test

Manufacturers of Translation Actuators

6 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.

DGR Electric Cylinder Technology Co., Ltd.
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Hearken Flow
Tianjin, CN
Also makes: Butterfly Valve, Ball Valve, Pneumatic Actuator and 9 more
Listed on the company's own website · profile compiled by CNFX from public sources
JimiTech
Huizhou, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Ningbo Alpha Automation Co., Ltd.
Zhejiang, CN
Also makes: Linear Motor
Listed on the company's own website · profile compiled by CNFX from public sources
NUODUN Linear
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Suzhou JiuJun Intelligent Equipment Co., Ltd.
Shanghai, 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 are the typical operating pressure and stroke length ranges for translation actuators?

According to the directory data, operating pressure ranges from 1.0 to 1.6 MPa, and stroke length ranges from 100 to 600 mm. Custom strokes are available on request. Always verify these values for the specific model with the manufacturer.

How is positioning accuracy achieved in these actuators?

Positioning accuracy is ±0.5 mm when using linear encoder feedback. The encoder provides real-time position data to the control system, which adjusts the motor or hydraulic input to achieve precise displacement. Confirm the feedback system and accuracy for your application.

What are the environmental and protection ratings?

The standard operating temperature range is -20°C to 80°C for standard seals, with a high-temperature option up to 150°C. Protection ratings are IP65 to IP67 per IEC 60529, suitable for washdown environments. Verify these ratings for your specific installation.

What materials are used in construction?

The body is anodized aluminum (6061-T6 per ASTM B221), and the piston rod is stainless steel. These materials provide corrosion resistance and durability. Confirm material specifications with the manufacturer for your application.

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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