Structured Manufacturing Data (2026)

Fork Positioner

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Fork Positioner used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Fork Positioner is characterized by the integration of Carriage Beam and Hydraulic Cylinder. In industrial production environments, manufacturers listed on CNFX commonly emphasize High-strength steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A hydraulic or mechanical device that adjusts the horizontal spacing between forklift forks

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Product Specifications

Technical details and manufacturing context for Fork Positioner

Definition
A specialized component of forklift trucks that enables precise positioning of the forks horizontally to accommodate different pallet sizes and load configurations. It allows operators to adjust fork spacing without manually repositioning the entire forklift, improving efficiency and safety in material handling operations.
Working Principle
Typically uses hydraulic cylinders or mechanical linkages to move forks along a carriage beam. Hydraulic systems use pressurized fluid to extend or retract cylinders, while mechanical systems may use gears, chains, or screw mechanisms. The positioner is controlled from the operator's cabin via levers or electronic controls.
Common Materials
High-strength steel, Alloy steel
Technical Parameters
  • Adjustment range of fork spacing, typically from minimum to maximum distance between forks (mm) Standard Spec
Components / BOM
  • Carriage Beam
    Supports and guides fork movement along horizontal axis
    Material: High-strength steel
  • Hydraulic Cylinder
    Provides power for fork adjustment in hydraulic systems
    Material: Steel with chrome plating
  • Fork Mounting Brackets Part
    Secures forks to the positioning mechanism
    Material: Alloy steel
  • Control Valve
    Regulates hydraulic fluid flow for precise positioning
    Material: Brass or steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Fork Positioner.

Fork Adjuster Pallet Fork Positioner Fork Spreader hydraulic fork positioner for forklifts adjustable fork spacing equipment industrial forklift fork positioner high-strength steel fork positioner forklift carriage beam positioner

Applied To / Applications

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

Forklift Truck
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 250 bar (hydraulic systems)
other spec: Maximum fork spread: 1500 mm, Minimum fork spread: 300 mm, Load capacity: Up to 5000 kg
temperature: -20°C to +80°C
Media Compatibility
✓ Standard palletized goods ✓ Industrial machinery components ✓ Construction materials (bricks, blocks)
Unsuitable: Corrosive chemical environments (acidic/alkaline spills)
Sizing Data Required
  • Maximum load capacity (kg)
  • Required fork spread range (mm)
  • Forklift hydraulic system pressure (bar)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Hydraulic cylinder seal degradation
Cause: Contamination of hydraulic fluid with particulate matter leading to abrasive wear, or chemical incompatibility causing seal swelling/brittleness
Structural fatigue cracking at pivot points
Cause: Cyclic loading beyond design specifications, material stress concentrations at weld joints, or corrosion-induced weakening
Maintenance Indicators
  • Unusual grinding or knocking sounds during positioner movement indicating mechanical wear or misalignment
  • Visible hydraulic fluid leaks around cylinder seals or fittings, or erratic/hesitant movement during operation
Engineering Tips
  • Implement regular hydraulic fluid analysis and filtration maintenance to prevent contamination-related failures
  • Establish periodic non-destructive testing (ultrasonic or magnetic particle) at high-stress weld points and enforce load cycle monitoring

Compliance & Manufacturing Standards

Reference Standards
ISO 3691-4:2020 - Industrial trucks - Safety requirements and verification - Part 4: Driverless industrial trucks and their systems ANSI/ITSDF B56.5-2019 - Safety Standard for Driverless, Automatic Guided Industrial Vehicles and Automated Functions of Manned Industrial Vehicles CE Marking - Machinery Directive 2006/42/EC for safety of machinery
Manufacturing Precision
  • Positioning Accuracy: +/- 0.5 mm
  • Load Platform Flatness: 0.2 mm over entire surface
Quality Inspection
  • Load Capacity and Stability Test (per ANSI/ITSDF B56.5)
  • Functional Safety Test of Positioning System (per ISO 13849-1)

Factories Producing Fork Positioner

Manufacturer profiles with relevant production capability in China

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

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are used in fork positioners?

Fork positioners are constructed from high-strength steel and alloy steel to withstand heavy loads and industrial environments.

How does a hydraulic fork positioner work?

Hydraulic fork positioners use a hydraulic cylinder and control valve system to precisely adjust horizontal fork spacing on forklift carriages.

What are the main components of a fork positioner?

Key components include the carriage beam, hydraulic cylinder, control valve, and fork mounting brackets for secure attachment and operation.

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 basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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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