The Task
In electronics manufacturing, printed circuit boards (PCBs) are often fastened automatically by robots—for example, in control units, battery packs, or other assemblies. To ensure precision and reliability, the robot needs accurate information about the PCB's position and the exact location of each screw hole. A vision sensor handles this task by confirming the PCB is correctly positioned and providing the robot with precise screw point coordinates.
The Challenge
One production line often needs to handle a mix of product variants, each with its own layout. Shiny surfaces can make visual detection tricky, and variations in part position or orientation must not interfere with accurate screw hole detection. At the same time, the system has to locate multiple fastening points quickly to keep up with high-speed production.
Our Solution
The VISOR® Robotic Vision Sensor first checks whether the PCB is correctly positioned. It reliably detects the board even when its orientation or position varies slightly. Then, the VISOR® sends precise screw hole position data directly to the robot in its own coordinate system.
With the user-friendly “Shape find” detector, screw points can be identified in the software with just a few clicks. Once configured, the system runs automatically and consistently—even when switching between different product types using predefined jobs.
Optional accessories like ring lights or polarizing filters enhance detection reliability on shiny surfaces. And with evaluation times measured in milliseconds, the system can process many screw locations quickly to support high-speed automated assembly.
Built-in hand-eye calibration allows the sensor to communicate directly in robot coordinates. Calibration can be performed anywhere, and with integrated robot-camera data exchange, the robot remains fully operational across its entire working area.
Your Advantages
- Quick and easy screw point setup using the “Shape find” detector with Auto Find
- Simultaneous detection of multiple screw locations
- Direct transmission of screw coordinates in the robot's coordinate system
- High-speed evaluation ensures rapid, precise fastening
- Fully automated hand-eye calibration delivers real X/Y and angle data—no manual conversion required
- High-performance, compact VISOR® hardware mounts easily on robot grippers
- Simplified wiring with AIDA-compliant, robot-compatible push-pull cables
- Easy integration with leading robot brands, including:
- Automated calibration to the robot coordinate system
- Automatic validation of position data
- Standardized coordinate transmission
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