Micro-Epsilon Launches New 3D Spot Weld Sensor
The surfaceCONTROL 3D 3500 provides high-resolution inspection for automotive body manufacturing.
Updated on Oct. 26, 2026 in Robotics
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Micro-Epsilon has introduced the surfaceCONTROL 3D 3500 sensor, a device designed for the inline inspection of spot welds. It utilizes optical triangulation to capture weld geometry in real time, helping manufacturers reduce scrap and rework.
Why it matters
Conventional 2D vision systems often struggle to accurately measure the geometric characteristics of complex weld spots. This sensor enables precise, real-time quality control that is critical for automotive body production.
The system processes up to 2.2 million 3D points per second with a Z-axis resolution starting at 1.0µm. It maintains a measurement repeatability of up to 0.25µm while supporting industry standards like GigE Vision and GenICam.
The players
Micro-Epsilon
Micro-Epsilon is a manufacturer of precision sensor technology used for measurement and inspection in industrial applications.
The details
Using fringe projection, a matrix projector casts patterns onto the weld surface, which two cameras then capture to create a high-resolution point cloud. This data allows for the automated measurement of weld height, diameter, shape, and position during the production cycle.
The Tech Race
The surfaceCONTROL 3D 3500 represents an evolution beyond the limitations of traditional 2D machine vision systems. By enabling precise volumetric analysis, it highlights a broader industry shift toward high-fidelity, real-time inspection in automated manufacturing.
For automotive manufacturers and assembly line engineers, this technology provides an automated solution to monitor production quality without manual intervention. The integration of 3D data enables faster decision-making on the factory floor, potentially leading to safer and more uniform vehicle construction.
The takeaway
Advancements in inline 3D inspection allow manufacturers to catch structural defects that are often invisible to standard optical systems. Implementing these high-speed sensors can significantly reduce material waste and long-term rework costs in high-volume production cycles.
Further reading
Learn more about the latest innovations in industrial automation in our Robotics section.
Source note: This article includes information reported by Machinery Market.
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Does the adoption of advanced automated inspection tools effectively increase overall manufacturing production reliability?
