Fabalp

We Successfully Completed Our Movable Spot Welding Fixture Project

At FABALP Makine, we are proud to have successfully completed our movable spot welding fixture project. This system, whose design, analysis, production, and commissioning were all carried out entirely in-house, was specially developed to increase the efficiency of welding operations and reduce operator dependency on the production line.

🔧 Project Technical Summary

This special fixture was designed as a system that moves on linear rails instead of a fixed platform. The fixture body moves forward and backward on bottom rails using pneumatic pistons, automatically reaching the welding position. The system is optimized for high-precision positioning and repeatability.

🛠️Technical Specifications:

  • Fixture Type: Movable spot welding fixture
  • Rail System: Linear guides and carriages (compatible with HIWIN / THK)
  • Drive: Double-acting pneumatic piston system
  • Body Material: ST52 steel construction
  • Positioning Tolerance: ±0.1 mm
  • Operation Mode: Semi-automatic (manual part placement, automatic positioning)
  • Application Area: Sheet metal body welding line

📐 Design and Simulation Process

All movement scenarios of the fixture were modeled in 3D during the CAD-based design process, and collision analyses were conducted in different positions. Additionally, using Process Simulate, robot reach checks, spot alignment, and clamping sequences were tested in a digital environment.

🏭 Manufacturing and Commissioning

The manufacturing process included:

  • Welded body construction
  • Machining of mounting surfaces for rails
  • Installation of linear system and pneumatic pistons
  • Painting and masking of protected surfaces
  • In-house testing and stroke verification
  • On-site commissioning and operator training

After completing all checklists, the system was commissioned in the customer’s production line and actively put into use.

💡 Why Use a Movable Spot Welding Fixture?

Unlike standard fixed fixtures, movable welding fixtures offer the following benefits:
✅ Access to multiple welding points from a single station
✅ Improved operator comfort and space usage
✅ Enhanced cycle time
✅ Adaptability to flexible production setups
✅ Better alignment and improved welding quality

🌍 Application Areas

Such movable fixture systems are commonly used in the automotive and heavy industry production lines:

🚗 Automotive body welding lines

🚌 Vehicle chassis production

🏗️ Metal frame systems

🦾 Robotic welding cells

🎯 What Does FABALP Makine Offer?

At FABALP, we provide not only fixture production but also turnkey engineering, design, automation, and commissioning services.

You can contact us for custom solutions for your project:
📩 info@fabalp.com | 🌐www.fabalp.com