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Double Column Welding Positioner Manufacturer

1 set of double column welding positioner is composed of 2 positioners, it is usually equipped with rotation and lifting functions, thus the fixed workpiece gets desired posture. Usually rotation function is VFD and lifting function is constant speed.

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Wuxi WeldNice Heavy Industry Technology Co., Ltd.
Wuxi WeldNice Heavy Industry Technology Co., Ltd. produces and operates various welding roller frames, manipulators, shifters, CNC flame/fine plasma cutting machine series, automatic welding tooling series, special welding and cutting machines and overlay welding series, tanker, H-beam and wind power wind tower production lines,etc. As a professional China Double Column Welding Positioner Manufacturer and ODM Double Column Welding Positioner Company, It produces over 500 sets of various welding equipment annually. The products are mainly exported to several dozen countries including the United States, Germany, Japan, Spain, Italy, the United Kingdom, South Korea, Australia, and Canada. The cooperating clients include wind power, construction industry, machinery equipment, etc., including more than 10 world-famous enterprises. It has become an important supplier of welding equipment for them in China.
Certificate Of Honor
  • Zhezhen Business License
  • Zhezhen CE Certification (Roller Frame)
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Double Column Welding Positioner Industry knowledge
The Double Column Welding Positioner is a specialized welding auxiliary equipment composed of two coordinated positioners, integrated with rotation and lifting functions to adjust workpieces to optimal welding postures. Its core performance is characterized by variable frequency drive (VFD) for rotation—enabling precise speed regulation—and constant-speed lifting, ensuring stable and efficient workpiece positioning during welding operations. Designed to adapt to large, heavy, or irregularly shaped workpieces, the Double Column Welding Positioner is widely used in industrial manufacturing scenarios requiring high-precision welding. As a professional welding equipment manufacturer founded in 2004, Wuxi WeldNice Heavy Industry Technology Co., Ltd. integrates design, development, manufacturing, and sales, and has supplied high-quality Double Column Welding Positioner products to numerous domestic and foreign users, leveraging advanced production equipment and a complete quality assurance system to ensure product reliability.


Working Principle

The Double Column Welding Positioner operates based on the synergy of mechanical transmission and electrical control, with two core functional principles:
  1. Rotation Function: Driven by a VFD system, the rotation mechanism allows stepless speed regulation within a specified range (typically 0.1-5 rpm, depending on the model). This ensures precise control of workpiece rotation speed to match different welding processes (e.g., MIG, TIG, submerged arc welding). Wuxi WeldNice optimizes the transmission structure through rigorous design and testing, ensuring smooth rotation without jitter, even under full-load conditions.
  2. Lifting Function: Adopting a constant-speed hydraulic or mechanical lifting mechanism, the positioner achieves stable vertical movement of the workpiece. The lifting system is designed with overload protection and position limiting functions, which are verified through Wuxi WeldNice’s perfect testing equipment to ensure operational safety.
The overall coordination of the two positioners is controlled by a centralized electrical system, enabling synchronous or independent operation to meet diverse welding posture requirements.


Application Cases

The Double Column Welding Positioner is widely used in heavy industry fields due to its strong load-bearing capacity and high positioning accuracy. Typical application cases include:
Industry Application Scenario WeldNice Cooperation Highlights
Construction Machinery Welding of large excavator frames, crane booms Provided 50+ sets of Double Column Welding Positioner for a leading construction machinery enterprise, supporting the mass production of 20-ton class excavators.
Pressure Vessel Welding of tank bodies, end caps Customized positioners with 50-ton load capacity for a petrochemical equipment manufacturer, ensuring uniform welding of circumferential seams.
Steel Structure Welding of bridge components, building steel frames Supplied equipment for a bridge construction project in Southeast Asia, adapting to high-altitude and humid working environments with stable performance.
Wind Power Equipment Welding of wind turbine towers, flanges Developed positioners with 100-ton load capacity, matching the welding process of 80-meter class wind turbine towers, improving welding efficiency by 30%.


Product Comparison: Double Column vs. Single Column Welding Positioner

Comparison Dimension Double Column Welding Positioner Single Column Welding Positioner
Structure Composition Two coordinated positioners, dual support Single positioner, single support
Load Capacity 10-200 tons (suitable for heavy workpieces) 1-50 tons (suitable for medium-light workpieces)
Applicable Workpieces Large/heavy/irregular workpieces (e.g., tank bodies, steel frames) Small-medium regular workpieces (e.g., small containers, mechanical parts)
Rotation Control VFD stepless speed regulation, high precision VFD or fixed-speed, general precision
Lifting Mode Constant-speed hydraulic/mechanical lifting Hydraulic or electric lifting
Core Advantage Stable support, high positioning accuracy, suitable for mass production Compact structure, low space occupation, cost-effective
WeldNice Product Advantage Customizable load capacity and stroke, integrated with quality assurance system Mature product line, fast delivery cycle

FAQ

  1. What is the maximum load capacity of WeldNice’s Double Column Welding Positioner?
    Our product line covers load capacities from 10 tons to 200 tons. We can also provide customized solutions according to customer-specific workpiece weights and sizes, supported by our professional design and development team.

  2. Can the Double Column Welding Positioner be integrated with automated welding systems?
    Yes. All WeldNice Double Column Welding Positioners are designed with standard communication interfaces (e.g., PLC, Ethernet) to seamlessly connect with robotic welding arms and automated welding power sources, realizing intelligent production.

  3. What is the difference between VFD rotation and fixed-speed rotation in the positioner?
    VFD rotation allows stepless speed regulation (0.1-5 rpm), adapting to different welding speeds and process requirements, which is the standard configuration of WeldNice’s Double Column Welding Positioner. Fixed-speed rotation only supports 1-2 preset speeds, with limited applicability.

    How does WeldNice ensure product quality?
    Founded in 2004, we have a complete quality assurance management system. From raw material procurement to finished product delivery, each link undergoes strict testing (e.g., load-bearing test, speed accuracy test) using advanced testing equipment to ensure product performance meets international standards.
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