Automatic Focus Optical Sorting Machine for Precision Parts Inspection
product Description
The Automatic Focus Optical Sorting Machine is an advanced vision-based inspection solution developed for manufacturers who require high accuracy, flexibility, and stable detection when inspecting parts with varying heights, contours, or reflective surfaces.
Unlike conventional fixed-focus inspection systems, this machine integrates an automatic focus vision module that dynamically adjusts focal length during inspection. This ensures consistently sharp images across different product sizes and thicknesses, significantly improving detection reliability and reducing false rejects caused by defocusing.
The system is widely used for inspecting precision fasteners, electronic components, stamped metal parts, machined components, plastic parts, rubber products, and irregular-shaped items. It supports comprehensive inspection tasks including dimensional measurement, surface defect detection, edge integrity analysis, and appearance verification.
An automatic feeding system ensures stable and orderly product flow into the inspection area, minimizing manual intervention and maintaining high throughput. Combined with a high-speed industrial camera setup and optimized lighting design, the machine captures detailed visual data even at high inspection speeds.
Powered by an in-house developed vision inspection software, the system offers flexible parameter settings, adjustable detection thresholds, and intuitive user operation. Operators can quickly switch between different product models and inspection standards, making it ideal for multi-product production environments.
The Automatic Focus Optical Sorting Machine is controlled by an industrial PC, ensuring reliable performance in continuous industrial operation. It can be easily integrated into existing production lines with minimal layout changes, without affecting overall production capacity.
By adopting intelligent auto-focus technology, this machine not only improves inspection accuracy but also reduces setup time and operator dependency. It is an ideal solution for manufacturers seeking to enhance product quality, reduce labor costs, and achieve stable, repeatable inspection results in high-volume production.
Motor-Driven Physical Auto Focus
Utilizes a motor-driven physical focusing mechanism to automatically adjust the lens or workpiece height, ensuring sharp imaging for parts with different thicknesses without manual focus adjustment.
Micron-Level Inspection Accuracy
Combines precise motor positioning and high-resolution imaging to achieve inspection accuracy down to 0.001 mm, capable of detecting micro defects and fine dimensional deviations.
High-Speed Automatic Inspection
Inspection speed reaches 500–1200 pcs/min, depending on product complexity, meeting the demands of high-volume and continuous production lines.
Comprehensive Dimension & Appearance Detection
Supports automatic inspection of key dimensions (length, diameter, hole size, spacing, concentricity) and surface defects such as burrs, scratches, deformation, stains, and missing material.
Intelligent Judgment & Automatic Sorting
Built-in vision algorithms automatically determine OK/NG results and classify defect types, enabling stable, repeatable quality control with minimal human intervention.
Flexible Integration & Wide Compatibility
Easily integrates with vibrating feeders, conveyors, and rejection systems, and is suitable for screws, electronic components, precision metal parts, plastic parts, and irregular-shaped components.
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Item |
Specification |
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Machine Type |
Automatic Focus Optical Sorting Machine |
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Brand |
JuRen Intelligent |
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Inspection Software |
In-house developed vision inspection system |
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Applicable Products |
Fasteners, precision metal parts, electronic components, plastic parts, rubber parts, irregular-shaped components |
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Focus Accuracy |
±0.001 mm (motor lifting positioning accuracy) |
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Inspection Accuracy |
0.001–0.01 mm (calibrated according to inspection requirements) |
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Inspection Speed |
500–1200 pcs/min (depending on product complexity) |
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Focus Drive |
Mini stepper motor / servo motor (lifting stroke 50–200 mm) |
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Hardware Configuration |
Industrial camera (2–12 MP), industrial fixed-focus lens (8–50 mm), dedicated LED lighting |
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Control System |
Industrial PC |
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Operating System |
Windows-based industrial PC with dedicated vision inspection software |
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Power Supply |
AC 220V, 50/60 Hz |
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Air Pressure |
0.4–0.6 MPa |
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Working Environment |
5°C – 40°C, humidity ≤85% (non-condensing) |

Precision metal hardware parts (screws, nuts, bolts, rivets, pins, etc.)

Precision 3C electronics parts

Medical precision parts
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