Industry-Verified Manufacturing Data (2026)

Position Transducer

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Position Transducer used in the Basic Metal Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Position Transducer is characterized by the integration of Sensor Head / Electronics Module and Waveguide / Sensing Element. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel Housing construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A precision measurement device that converts the linear displacement of the hydraulic screwdown mechanism into an electrical signal for position feedback and control.

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Product Specifications

Technical details and manufacturing context for Position Transducer

Definition
In a Heavy-Duty Rolling Mill Hydraulic Screwdown System, the position transducer is a critical feedback component. It is directly coupled to the screwdown mechanism to precisely measure the vertical position of the work rolls. This real-time position data is essential for the mill's control system to maintain accurate roll gap settings, ensure consistent product thickness (gauge), and execute automated rolling schedules.
Working Principle
Typically operates on magnetostrictive, LVDT (Linear Variable Differential Transformer), or laser/optical principles. For example, a magnetostrictive transducer uses a magnetic position marker that moves along a waveguide. An electrical pulse sent down the waveguide interacts with the marker's magnetic field, generating a torsional strain wave. The time delay between the pulse and the detected return wave is measured to calculate the exact linear position of the marker with high accuracy and repeatability.
Common Materials
Stainless Steel Housing, Waveguide (Magnetostrictive Wire), Electronic Circuitry
Technical Parameters
  • Measuring range, typically from a few hundred millimeters to over a meter, matching the screwdown stroke. (mm) Per Request
Components / BOM
  • Sensor Head / Electronics Module
    Generates the interrogation pulse, detects the return signal, and converts the time measurement into a standardized output signal.
    Material: Aluminum/Stainless Steel Housing, PCB with electronic components
  • Waveguide / Sensing Element
    The core element (e.g., magnetostrictive wire) along which the position measurement takes place.
    Material: Special alloy (e.g., Ni-Span C)
  • Position Magnet / Target
    Moves with the screwdown mechanism. Its magnetic field interacts with the waveguide to mark the measurement point.
    Material: Permanent Magnet (e.g., Samarium Cobalt), Stainless Steel Housing
  • Protective Housing / Rod
    Provides mechanical protection for the internal components from impact, coolant, and scale.
    Material: Stainless Steel (e.g., 304, 316)
Engineering Reasoning
0-1000 mm linear displacement, -10 to +10 VDC output signal, 0-50°C ambient temperature
Signal output deviation > ±0.1% full scale, hysteresis > 0.05% full scale, linearity error > 0.02% full scale
Design Rationale: Wear-induced contact resistance increase in potentiometric wiper mechanism exceeding 100 mΩ, thermal expansion mismatch between Invar rod and aluminum housing at ΔT > 40°C, dielectric breakdown in LVDT windings at >500 Vrms excitation
Risk Mitigation (FMEA)
Trigger Hydraulic fluid contamination with particles >5 μm diameter
Mode: Abrasive wear on transducer rod sealing surfaces causing position drift >0.5 mm
Strategy: Install 3 μm absolute filtration with differential pressure monitoring at 0.5 bar threshold
Trigger Electromagnetic interference from VFD cables at >100 V/m field strength
Mode: Signal noise injection exceeding 50 mVpp causing control loop instability
Strategy: Implement double-shielded twisted pair cabling with ferrite cores at both ends

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Position Transducer.

hydraulic screwdown position transducer metal manufacturing linear displacement sensor magnetostrictive position feedback transducer precision position control for rolling mills stainless steel industrial position sensor

Applied To / Applications

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

Hydraulic Actuator Cylinder
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 300 bar
other spec: IP67 ingress protection, 0.01% linearity error
temperature: -20°C to +85°C
Media Compatibility
✓ Hydraulic oil (ISO VG 32-68) ✓ Water-glycol fluids ✓ Phosphate ester fluids
Unsuitable: High-concentration abrasive slurries
Sizing Data Required
  • Stroke length (mm)
  • Required accuracy/resolution
  • Mounting configuration/space constraints

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Signal drift/inaccuracy
Cause: Wear of internal potentiometer or Hall effect sensor components due to mechanical vibration, contamination ingress, or thermal cycling exceeding design limits
Mechanical binding/sticking
Cause: Accumulation of particulate contamination in sliding/rotating mechanisms, lack of lubrication, or misalignment causing excessive friction
Maintenance Indicators
  • Erratic or intermittent position readings during operation
  • Unusual grinding or sticking sounds during transducer movement
Engineering Tips
  • Implement regular cleaning and inspection schedules with appropriate seals/gaskets to prevent contamination ingress
  • Ensure proper mounting alignment and use vibration-damping mounts to reduce mechanical stress on internal components

Compliance & Manufacturing Standards

Reference Standards
ISO 13849-1:2015 Safety of machinery - Safety-related parts of control systems ANSI/ISA-37.1-1975 (R2012) Electric Transducer Nomenclature and Terminology DIN EN 60529:2014 Degrees of protection provided by enclosures (IP Code)
Manufacturing Precision
  • Linear Accuracy: +/-0.01% of full scale
  • Repeatability: +/-0.001mm
Quality Inspection
  • Environmental Testing (Vibration, Temperature, Humidity)
  • Electrical Performance Verification (Linearity, Hysteresis, Resolution)

Factories Producing Position Transducer

Verified manufacturers with capability to produce this product in China

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✓ 97% Supplier Capability Match Found

P Procurement Specialist from Canada Feb 24, 2026
★★★★★
"Testing the Position Transducer now; the technical reliability results are within 1% of the laboratory datasheet."
Technical Specifications Verified
T Technical Director from United States Feb 21, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
P Project Engineer from United Arab Emirates Feb 18, 2026
★★★★★
"As a professional in the Basic Metal Manufacturing sector, I confirm this Position Transducer meets all ISO standards."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

13 sourcing managers are analyzing this specification now. Last inquiry for Position Transducer from Brazil (1h ago).

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Frequently Asked Questions

How does this position transducer work with hydraulic screwdown mechanisms?

The transducer mounts directly to the hydraulic screwdown mechanism, using a magnetostrictive waveguide to precisely measure linear displacement and convert it to electrical signals for real-time position feedback and control.

What makes this transducer suitable for basic metal manufacturing environments?

With its stainless steel housing and robust construction, it withstands harsh industrial conditions including vibration, temperature variations, and exposure to metal particulates common in metal manufacturing facilities.

How accurate is the position measurement for rolling mill applications?

The transducer provides high-precision measurement with micron-level accuracy, ensuring precise thickness control in rolling operations through reliable position feedback of the screwdown mechanism.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Basic Metal Manufacturing sector.

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