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VisionLine for marking

Modular sensor system for every step of the marking process

Reliable marking

– From precise positioning to verified marking

VisionLine is a modular sensor system that supports every step of the marking process: It detects the part position, corrects deviations in real time , and checks codes and text for legibility, contrast, and completeness. Depending on the size of the component, it uses high-resolution cameras for very small parts or multi-camera systems for large workpieces. This reduces rework and testing costs. All measured values are documented - fully traceable for audits and compliance. The modules are designed to work with TRUMPF lasers and optics and operate without an external interface.

VisionLine Detect

Recognition of characteristics for simple geometries  

VisionLine Model

Geometric recognition of entire, pre-programmed workpieces  

VisionLine OCR

Extraction and quality assessment of text and numbers

VisionLine Code

Extraction and quality assessment of 1D and 2D codes

Position recognition

VisionLine Detect

Recognition of characteristics for simple geometries  
  • Automatically detects workpiece positions based on defined features such as edges, circles, or drilled holes from a feature library

  • Automatically aligns the laser, even if parts are slightly misaligned or twisted 

  • Optional AI filter for reliable detection even under challenging component, lighting, or contrast conditions 

VisionLine Model

Geometric recognition of entire, pre-programmed workpieces  
  • Teach the system the entire workpiece once, and it will then automatically recognize where it is located and how it is oriented

  • Automatically compensates for variations in position and height by adjusting the focus position - even if the parts are positioned differently in the marking area each time 

  • Captures multiple components in a single shot and only marks those it can reliably recognize 

VisionLine model in use

Marking bone plates

Marking bone plates

Codes and lettering on bone plates must be precisely positioned and permanently legible - this is a prerequisite for meeting the traceability requirements of medical technology. Different component geometries make it difficult to reproduce the position of markings consistently.

The VisionLine model automatically detects the geometry and corrects the marking position in real time. Codes and lettering are reliably placed at the specified location - reproducible quality even at high throughput.

Quality

VisionLine OCR

Extraction and quality assessment of text and numbers
  • Automatically reads selected text and numbers, including both system and machine fonts

  • Evaluates the quality of the marking, such as the contrast and line sharpness

  • Compares the read data with the database and, if requested, documents it along with its content and quality assessment

  • Uses the read data directly in the marking process, for example, for sequential serial numbers

VisionLine OCR in use

Reliable recognition of cursive handwriting

Reliable recognition of cursive handwriting

Delicate cursive handwriting with intertwined letters and varying line thicknesses must be clearly legible. At the same time, different materials (metal, plastic, leather, ceramic) require specific marking parameters. Illegible or incorrect markings result in rejects and rework.

VisionLine OCR uses optical character recognition to verify each character after it has been marked. The markings are compared against your specifications - illegible, incomplete, or incorrect markings are detected reliably. This helps you to avoid rejects and rework.

VisionLine Code

Extraction and quality assessment of 1D and 2D codes
  • Automatically reads marked bar codes, Data Matrix, and QR codes

  • Checks each code for contrast, modulation, and uniformity in accordance with ISO 15416, ISO 15415, and ISO 29158, and assigns a quality rating

  • Documents each result, thus verifying that the marking complies with the specifications

VisionLine Code in use

Marking surgical instruments

Marking surgical instruments

Codes on delicate surgical instruments (tweezers, scalpels, grippers) must be reliably legible despite their small size. Different surface materials (stainless steel, titanium, special alloys) make precise marking even more difficult.

VisionLine Code reads every marking after the process - even intricate 1D and 2D codes. The system checks the content for readability and accuracy and immediately detects incorrect or insufficient markings. This is how you maintain a traceable record and avoid defective instruments.

Marking watch components

Marking watch components

Data Matrix and QR codes containing serial numbers and authentication data must be precisely marked on the smallest surfaces and remain permanently readable. Reliably inspecting these intricate codes is a particular challenge in the watch industry.

VisionLine Code checks the legibility and content of each code after laser marking. Incorrect or inadequate markings are immediately detected and documented. This enables you to implement reliable quality assurance that meets the high standards of the Swiss watch industry.

VisionLine Detect

VisionLine Model

VisionLine OCR

VisionLine Code

What sets VisionLine apart 

– Overview of key features
Always correctly positioned - even when the component position changes
Always correctly positioned - even when the component position changes

VisionLine captures the workpiece in real time using the same optics as the laser (coaxial camera alignment). As the camera and laser are aligned in the same direction, there is no misalignment between the camera image and marking point. If the workpiece deviates from the programmed position, the system detects the deviation and compensates for it before marking begins. This ensures that the marking is accurate even if there are tolerances in the fixture or if the workpiece has shifted slightly.

Faster setup - even without precise insertion
Faster setup - even without precise insertion

An additional side camera captures the entire working area and detects workpieces even before the marking process begins. You can therefore place the parts anywhere without having to position them precisely -VisionLine locates each one and marks it at the designated spot. This reduces the need for fixtures and setup time, especially when switching between series.

Automatically in focus - no manual readjustment required
Automatically in focus - no manual readjustment required

Two autofocus systems operate in parallel: The laser autofocus measures the distance to the part's surface and automatically adjusts the working distance, regardless of how high the part is at that point. At the same time, the camera's autofocus keeps the image in focus, allowing VisionLine to reliably recognize features and codes. Even stepped or curved components can be marked this way without requiring any readjustments.

Reliable detection - even in challenging lighting conditions
Reliable detection - even in challenging lighting conditions

Four light sources illuminate the workpiece evenly, independent of the ambient lighting. Distracting reflections and shadows do not appear in the camera image in the first place. This allows VisionLine to reliably detect edges, positions, and other features even on shiny or strongly textured surfaces.

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This product range and information may vary depending on the country. Subject to changes to technology, equipment, price, and range of accessories. Please get in touch with your local contact person to find out whether the product is available in your country.