Editorial Technical Reference

Welding Positioner

This page explains how Welding Positioner is classified within Fabricated Metal Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A mechanical device that rotates and/or tilts a workpiece to position it optimally for welding operations.

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

Product Specifications

Technical details and manufacturing context for Welding Positioner

Definition
A welding positioner is a specialized industrial machine designed to hold, rotate, and tilt workpieces during welding processes. It enables welders to maintain the most ergonomic and technically optimal welding positions (such as flat or horizontal) by moving the workpiece instead of the welder or the welding torch. This improves weld quality, consistency, and operator safety while increasing production efficiency. The positioner typically consists of a motor-driven rotating head (chuck or faceplate) mounted on a tilting mechanism. The workpiece is securely clamped to the head. An electric motor, often with variable speed control via a gearbox or inverter, provides the rotational force. A separate motor or hydraulic/pneumatic actuator controls the tilt angle. The control system allows for precise, programmable positioning and rotation speed to achieve the desired weld path and deposition rate. Typical specifications include load capacity from 100 to 5000 kg, rotation speed from 0.1 to 2.0 rpm, tilt range from 0 to 135 degrees, table diameter from 400 to 3000 mm, and positioning accuracy of ±0.05 degrees. The machine is commonly made of carbon steel or alloy steel. It requires a power supply of 380V ±10% (V/Hz) and a control voltage of 24V DC ±10%. The degree of protection ranges from IP54 to IP65 per IEC 60529, and the operating temperature range is -10 to 50°C. Net weight varies from 200 to 5000 kg depending on load capacity and table size. Always verify model-specific values and standards with the legal manufacturer or supplier before procurement or use.
Working Principle
The positioner holds the workpiece on a rotating faceplate or chuck. An electric motor with variable speed control drives the rotation, while a separate actuator (electric, hydraulic, or pneumatic) adjusts the tilt angle. The control system enables precise, programmable positioning and rotation speed, allowing the welder to maintain optimal weld positions without moving the torch or workpiece manually. This improves weld quality and operator ergonomics.
Common Materials
Carbon Steel, Alloy Steel
Technical Parameters
ParameterTypical rangeNotes & selection driver
Load CapacityRequired100–5000 kgMaximum weight of the workpiece the positioner can safely handle.
Rotation SpeedRequired0.1–2.0 rpmRotational speed range of the turning head, typically adjustable.
Tilt RangeRequired0–135 degreesMaximum angular tilt from the horizontal plane (e.g., 0-135°).
Table DiameterRequired400–3000 mmDiameter of the rotating faceplate or chuck.
Power SupplyRequired380 ±10% V/HzRequired electrical input (e.g., 380V/50Hz, 460V/60Hz).
Tilt Speed0.5–2.5 rpmSpeed at which the table tilts
Positioning Accuracy±0.05 °Angular accuracy for repeatable positioning
Max Torque50–5000 N·mTorque available at table rotation
Control Voltage24 ±10% V DCFor remote control and safety circuits
Degree of ProtectionIP54–IP65Protection against dust and water jetsIEC 60529
Operating Temperature-10–50 °CAmbient temperature range for operation
Net Weight200–5000 kgDepends on load capacity and table 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
  • Rotating Head / Faceplate Part
    Secures the workpiece and provides rotational movement.
    Material: Machined steel with hardened surface
  • Tilting Column or Frame
    Provides the tilting axis to change the workpiece angle.
    Material: Structural steel weldment
  • Drive Motor
    Provides torque for rotation, often with variable speed control.
    Material: Electric motor with copper windings, steel housing
  • Gearbox / Speed Reducer
    Reduces motor speed and increases torque for smooth, controlled rotation.
    Material: Cast iron housing, hardened steel gears
  • Control Panel
    Houses controls for rotation speed, direction, tilt, and emergency stop.
    Material: Steel enclosure, electronic components
  • Foot Pedal / Remote Control
    Allows hands-free operation for starting/stopping rotation.
    Material: Plastic housing, electrical switches
  • Actuator
    Separate electric, hydraulic or pneumatic unit that adjusts the tilt angle.
  • Chuck Optional
    Alternative workholding to the faceplate for gripping the workpiece.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Welding Positioner.

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: N/A (mechanical positioning device)
tilt range: 0° to 135° (continuous or indexed)
temperature: -20°C to +150°C (operational ambient), workpiece dependent up to welding temperatures
load capacity: 50 kg to 5000 kg (typical range)
rotation speed: 0.1 to 2.0 RPM (variable)
Media Compatibility
✓ Carbon steel workpieces ✓ Stainless steel assemblies ✓ Aluminum fabrications
Unsuitable: Explosive atmospheres (ATEX zones) without proper certification
Sizing Data Required
  • Maximum workpiece weight (kg)
  • Workpiece dimensions and center of gravity
  • Required positioning precision (± degrees)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing fatigue and seizure
Cause: Inadequate lubrication, contamination from welding spatter or debris, or excessive loading beyond design limits leading to overheating and premature wear.
Gearbox or drive mechanism failure
Cause: Misalignment, improper torque settings, backlash accumulation, or electrical/mechanical overload causing gear tooth wear, breakage, or motor burnout.
Maintenance Indicators
  • Unusual grinding, clicking, or whining noises during rotation, indicating bearing or gear issues
  • Excessive vibration, wobble, or erratic movement of the welding table or arm, suggesting mechanical looseness or imbalance
Engineering Tips
  • Implement a strict lubrication schedule using manufacturer-recommended greases/oils, and regularly clean spatter shields and seals to prevent contamination.
  • Conduct periodic alignment checks and torque verification on fasteners, gears, and drive components, and avoid overloading beyond the positioner's rated capacity.

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 9606-1:2017 - Qualification testing of welders - Fusion welding ANSI/AWS D14.1/D14.1M:2018 - Specification for Welding of Industrial and Mill Cranes and Other Material Handling Equipment DIN EN 1090-2:2018 - Execution of steel structures and aluminium structures - Technical requirements for steel structures

Quoted from the published standard.

Manufacturing Precision
  • Table rotation runout: +/-0.05mm at maximum load
  • Tilt axis positioning accuracy: +/-0.1 degrees
Quality Inspection
  • Load capacity verification test with calibrated weights
  • Non-destructive testing (NDT) of critical welds using magnetic particle inspection

Manufacturers of Welding Positioner

2 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.

Changzhou Anchuang Intelligent Equipment Co., Ltd.
Jiangsu, CN
100+ staff
ISO9001 CE
Listed on the company's own website · profile compiled by CNFX from public sources
SENLISWELD
Jiangsu, CN
Also makes: Pressure Vessel
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
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Inspection readiness
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Frequently Asked Questions

What is the primary function of a welding positioner?

It holds, rotates, and tilts a workpiece to bring the weld joint into an optimal position, such as flat or horizontal, improving weld quality and operator ergonomics.

What are typical load capacities?

Typical load capacities range from 100 to 5000 kg, but the exact capacity depends on the specific model. Always verify with the manufacturer.

How is the rotation speed controlled?

Rotation speed is typically adjustable via a variable speed drive, such as a gearbox or inverter, allowing speeds from 0.1 to 2.0 rpm.

What safety standards apply?

The degree of protection is typically IP54 to IP65 per IEC 60529, but compliance must be verified with the supplier for the specific model.

Data Basis

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

Preliminary Technical Classification
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