Structured Manufacturing Data (2026)

Frame Welding Station

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

Technical Definition & Core Assembly

A canonical Frame Welding Station is characterized by the integration of Welding Fixture / Jig and Welding Power Source & Torch. In industrial production environments, manufacturers listed on CNFX commonly emphasize Structural Steel (e.g., S235JR, S355JR) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A specialized workstation for welding structural frames used in medium voltage switchgear assembly.

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Product Specifications

Technical details and manufacturing context for Frame Welding Station

Definition
The Frame Welding Station is a critical component within the Medium Voltage Switchgear Assembly Line, dedicated to the precise joining of metal structural members to form the rigid frame or chassis of the switchgear unit. This station ensures the dimensional accuracy and structural integrity required to house and protect internal electrical components like circuit breakers, busbars, and insulation systems.
Working Principle
Operators or automated systems position pre-cut steel sections (beams, plates, angles) into a welding jig or fixture. The station typically employs MIG (Metal Inert Gas) or MAG (Metal Active Gas) welding processes. A welding power source generates an electric arc between a consumable wire electrode and the workpiece, melting the metals to form a permanent joint. The fixture ensures alignment and minimizes thermal distortion during the welding sequence.
Common Materials
Structural Steel (e.g., S235JR, S355JR), Welding Wire (e.g., ER70S-6)
Technical Parameters
  • Maximum frame dimensions (L x W x H) the station's fixture can accommodate. (mm) Per Request
Components / BOM
  • Welding Fixture / Jig
    Holds and precisely locates all frame components during the welding process to ensure dimensional accuracy and repeatability.
  • Welding Power Source & Torch
    Generates the welding arc and delivers the electrode wire and shielding gas to the joint.
  • Fume Extraction System
    Removes welding fumes and particulate matter from the operator's breathing zone and the general work area.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Frame Welding Station.

medium voltage switchgear frame welding station structural steel welding workstation for electrical equipment S355JR frame welding station with fume extraction welding fixture for switchgear assembly industrial welding station for electrical manu

Applied To / Applications

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

Medium Voltage Switchgear Assembly Line
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric (no pressure containment required)
other spec: Max frame dimensions: 2.5m x 1.5m x 1.2m, Power supply: 380-480V 3-phase, 60A, Duty cycle: 60% at 300A welding current
temperature: Ambient to 50°C (operating environment), welding zone up to 1500°C (localized)
Media Compatibility
✓ Carbon steel structural frames ✓ Stainless steel brackets and supports ✓ Aluminum fixtures and jigs
Unsuitable: Explosive atmospheres (ATEX zones) due to welding arc ignition risk
Sizing Data Required
  • Maximum frame dimensions (LxWxH)
  • Material thickness range (mm)
  • Required production rate (frames/hour)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Weld Cracking
Cause: Thermal stress from improper welding parameters (excessive heat input, rapid cooling) or material incompatibility leading to hydrogen-induced or fatigue cracks.
Frame Distortion
Cause: Residual stresses from uneven heating/cooling during welding, poor fixturing, or overloading beyond design limits causing permanent deformation.
Maintenance Indicators
  • Visible cracks or fissures in weld seams or heat-affected zones
  • Audible creaking or popping sounds during operation indicating structural stress or loose components
Engineering Tips
  • Implement pre/post-weld heat treatment protocols to control residual stresses and reduce cracking susceptibility
  • Use real-time weld monitoring (e.g., thermal cameras, strain gauges) to detect deviations and enable immediate parameter adjustments

Compliance & Manufacturing Standards

Reference Standards
ISO 3834-2: Quality requirements for fusion welding of metallic materials ANSI/AWS D1.1/D1.1M: Structural Welding Code - Steel EN 1090-2: Execution of steel structures and aluminium structures - Part 2: Technical requirements for steel structures
Manufacturing Precision
  • Weld bead alignment: +/- 1.5mm from theoretical position
  • Frame squareness: Diagonal length difference ≤ 3mm per meter of diagonal
Quality Inspection
  • Visual Inspection (VT) per ISO 17637 for surface defects and weld profile
  • Ultrasonic Testing (UT) per ISO 17640 for internal weld discontinuities

Factories Producing Frame Welding Station

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 types of structural steel are compatible with this Frame Welding Station?

This station is designed for common structural steels like S235JR and S355JR grades, using appropriate welding wires such as ER70S-6 for optimal weld quality in electrical equipment frames.

Why is a fume extraction system included in the BOM for this welding station?

Fume extraction is critical for operator safety and compliance with industrial health standards, removing harmful welding fumes generated during the fabrication of medium voltage switchgear frames.

How does the welding fixture/jig improve frame assembly for electrical equipment?

The precision welding fixture ensures accurate alignment and dimensional consistency of structural frames, which is essential for proper fit and function in medium voltage switchgear assembly.

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 Electrical 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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