What Are the Advantages of wenglor Products?
Diverse Usage Options
Broad portfolio for diverse applications
Precise Hole Detection
Detection of different hole sizes and deviations in hole diameter
Avoidance of Quality Problems
Early identification of deviations and errors
Optimization of Material Use
Reduction of material waste in production
Challenges in Hole Detection

Hole Detection
In the production of paper, films and even sheet metal strips, the quality of the endless materials must be continuously checked. Failure to detect holes or cracks in time can lead to serious consequences, such as impaired product quality, damage to the machine, but also safety risks.
Solution
Solution
- Retro-reflex sensors for transparent objects
- Ultrasonic distance sensors
- 2D/3D profile sensors

Quality Control of Objects in Holes
The quality control of objects in holes ensures that, for example, a thread is present inside a sleeve to ensure the quality standard in further process steps.
Solution
Solution
- Reflex sensors with background suppression
- Triangulation laser distance sensors

Detection of Objects with Holes
The detection of perforated objects, such as perforated sheets, grid boxes or printed circuit boards, poses a particular challenge for sensors. Sensors with an inadequately sized detection area could perceive the non-continuous surface of the object as interruptions or errors and thus generate erroneous signals.
Solution
Solution
- Retro-reflex sensors with light band
- Ultrasonic distance sensors

Measurement of Holes
When industrially manufacturing components or other objects, such as body parts, holes must be drilled. Before the parts can be joined together, it must be ensured that the holes have the exact dimensions so that the screws fit perfectly into the holes.
Solution
Solution
- Vision systems
- Smart cameras

Look Through a Hole
A major challenge in industrial production environments is the limited space for installing sensors. In conveyor lines, for example, the sensors look at the conveyor belt through holes in the side walls to detect passing objects.
Solution
Solution
- universal retro-reflex sensors
- Fiber-optic sensors
- Energetic reflex sensors
Application Areas of Hole Detection
Lösungen auf einen Blick
Locherkennung mit Sensoren
Locherkennung mit Machine Vision
Downloads der Produktflyer zur Locherkennung
Produktflyer P1XD
(902 KB)
Dieses Dokument gibt einen Überblick über die Lichtleiter-Verstärker der P1XD-Serie.
Produktflyer P3-Serie
(2 MB)
Dieses Dokument gibt einen Überblick über die Laser-Distanzsensoren der P3-Serie.
Broschüre der wintec.
(1 MB)
Dieses Dokument enthält die Broschüre zu den Laserdistanzsensoren ToF mit wintec (wenglor interference-free technology).
Produktflyer Spiegelreflexschranke mit Lichtband
(3 MB)
Dieses Dokument enthält den Produktflyer der Spiegelreflexschranke mit Lichtband.
Produktflyer PNG//smart
(961 KB)
Dieses Dokument enthält den Flyer der PNG//smart-Sensoren. Photoelectronic Next Generation steht für ein neues Zeitalter smarter, optoelektronischer Sensoren.
Produktflyer Ultraschallsensoren
(995 KB)
Dieses Dokument enthält den Produktflyer der Ultraschallsensoren.
Produktflyer Smart Camera B60
(968 KB)
Dieses Dokument enthält den Produktflyer zur Smart Camera B60.
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