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Introducing 3D Machine Vision Systems
Today, 3D Vision is the most commonly used method for the precise three-dimensional inspection and measurement of complex 3D free formed surfaces, and new fields of applications are constantly being explored.
3D machine vision systems typically comprise multiple cameras or one or more laser displacement sensors. Whether performing a single profile measurement or scanning an entire surface in 3D, we can recommend powerful 3D machine vision tools.
Multi-camera 3D vision in robotic guidance applications provides the robot with part orientation information. These systems involve multiple cameras mounted at different locations and “triangulation” on an objective position in 3D space. Combining with machine vision systems, 3D Imaging has allowed for higher accuracy, especially with Cognex’s 3D-A5000.
In contrast, 3D laser-displacement sensor applications typically include surface inspection and volume measurement, producing 3D results with as few as a single camera. A height map is generated from the displacement of the reflected lasers’ location on an object. The object or camera must be moved to scan the entire product similar to line scanning. With a calibrated offset laser, displacement sensors can measure parameters such as surface height and planarity with accuracy within 20 μm.
An interesting solution for basic 3D measurement tasks is provided by the intelligent 3D sensors of Canadian manufacturer LMI which also operate on the laser triangualation principle. The Gocator product range offers easy entry to 3D measurement as these products are easy to install and run via an intuitive web interface and do not require programming. The LMI Gocator 3000 series is also based on light stripe projection and allows 3D analyis directly within the smart camera.
COGNEX
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3D-A1000 Dimensioning System
- Compact and industrial 3D & 2D motion-capable smart camera
- Used for dimensioning both regular and irregular shaped items
- Patemted 3D technology combined with 2D inspection capabilities delivers precision at high speed
- Provides reliable and effective results without any complicated setup / maintenance
- Seamless integration with Cognex Bardcode Reading Solutions
- Enables accurate shipping estimates, sorting & tracking of goods throughout the supply chain, and efficient usage of storage location and transportation loading
- Installed by anyone in under 15 minutes
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3D-A5000 Area Scan 3D Camera Features
- Patent-pending 3D LightBurst technology enables rapid image acquisition
- More than 1.5 million 3D data points detect fine features on parts
- High Dynamic Range (HDR) mode captures scenes with high contrast
- Powerful 3D tools in VisionPro solve challenging 3D applications
- Factory-calibration delivers results in real-world units
- Rugged IP65-rated housing provides protection in harsh factory environments
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Cognex DS910B 3D Vision System
- 8mm Measurement Range
- Complete 2D and 3D Vision Solution
- Combines 3D sensors with 2D cameras with powerful vision tools including measurement, OCR, barcode reading and pattern matching tools
- Results in “real world units” and to micron-level accuracy
- Inspections including height, tilt, volume and cross-section
- Industrial IP65 Housing
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Cognex DS925B 3D Vision System
- 25mm Measurement Range
- Complete 2D and 3D Vision Solution
- Combines 3D sensors with 2D cameras with powerful vision tools including measurement, OCR, barcode reading and pattern matching tools
- Results in “real world units” and to micron-level accuracy
- Inspections including height, tilt, volume and cross-section
- Industrial IP65 Housing
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Cognex DS1050 3D Vision System
- 76mm Measurement Range
- Complete 2D and 3D Vision Solution
- Combines 3D sensors with 2D cameras with powerful vision tools including measurement, OCR, barcode reading and pattern matching tools
- Results in “real world units” and to micron-level accuracy
- Inspections including height, tilt, volume and cross-section
- Industrial IP65 Housing
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Cognex DS1101 3D Vision System
- 220mm Measurement Range
- Complete 2D and 3D Vision Solution
- Combines 3D sensors with 2D cameras with powerful vision tools including measurement, OCR, barcode reading and pattern matching tools
- Results in “real world units” and to micron-level accuracy
- Inspections including height, tilt, volume and cross-section
- Industrial IP65 Housing
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Cognex DS1300 3D Vision System
- 725mm Measurement Range
- Complete 2D and 3D Vision Solution
- Combines 3D sensors with 2D cameras with powerful vision tools including measurement, OCR, barcode reading and pattern matching tools
- Results in “real world units” and to micron-level accuracy
- Inspections including height, tilt, volume and cross-section
- Industrial IP65 Housing
LMI Gocator 3D Laser Profile Sensors
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Gocator 1300
- High-speed 3D Laser Point Profile Sensors
- High-speed dimensional measurements (e.g. surface roughness, object thickness) in closed-loop automation systems.
- Pre-calibrated and ready to measure
- Scalable to a synchronised multiple sensor network
- Small footprint
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Gocator 2100
- Entry-level 3D Laser Line Profile Sensors
- Used for cost-effective inline quality inspection applications where the highest resolution is not required.
- VGA imager. 640 points per profile resolution
- Field-of-view up to 1260mm
- Measurement range up to 1350mm
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Gocator 2300
- Workhorse 3D Laser Line Profile Sensors
- Gocator 2300 sensors deliver robust 3D inspections across a wide range of high-speed, high-volume applications.
- Megapixel imager. 1280 points per profile resolution
- Field-of-view up to 1260mm
- Measurement range up to 800mm
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Gocator 2400
- Ultra high-resolution 3D Laser Line Profile Sensors
- Designed for 100% inspection of challenging targets, such as micro-features on small electronic parts, and dark materials such as tire tread / sidewall and rubber sheets in high-speed inline applications.
- 2-Megapixel imager. Up to 1940 points per profile resolution
- Field-of-view (FOV) up to 194mm
- Measurement range up to 210mm
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Gocator 2500
- High-speed 3D Laser Line Profile Sensors
- Most compact and advanced Gocator design
- Achieve inspection speeds up to 10 kHz—including scan, built-in 3D surface measurement, and pass/fail control—to meet inline production speed.
- Blue laser + custom optics for optimal performance on dark and specular targets
- IIoT ready with built-in web server, configure with any web browser
- Built-in tools for 3D alignment, part segmentation, and 3D feature extraction
- Native support for multi-sensor networking
- New Gocator 2512 is a specialised 3D laser line profiler for high-precision scanning of glass and other specular targets.
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Gocator 2800
- Dual triangulation 3D Laser Line Profile Sensor
- Two cameras maximise scan coverage and minimise occlusions for applications such as primary log scanning
- Megapixel imager. 1280 points per profile resolution
- Field-of-view up to 1260mm
- Measurement range up to 800mm
LMI Gocator 3D Snapshot Sensors
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Gocator 3200
- Large Field of View 3D Snapshot Sensor
- Use Gocator 3210’s blue-LED structured light technology and wide field of view for full field inspection of large targets (e.g., automotive components and assemblies).
- Fast scan rate (6 Hz w/ acceleration)
- 2-megapixel stereo camera minimizes occlusions
- Large field of view (FOV) up to 100 x 154 mm
- Pick-and-place friendly for robotic/stationary inspection applications
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Gocator 3500
- High resolution 3D Snapshot Sensors
- Brings metrology-grade performance to the inline factory environment
- New Gocator 3504 provides industry-best 6.7 micron XY resolution and 0.2 micron Z repeatability
- Fast scan rate (6 Hz w/ acceleration)
- 5-megapixel stereo camera minimizes occlusions
- Pick-and-place friendly for robotic/stationary inspection applications
