Overview

The Openex Clevis Pin Inspection Machine is a fully automated optical inspection system engineered to tackle one of the most persistent quality challenges in clevis pin production — flange deformation and bottom dents. These defects not only shorten product lifespan but also cause customer complaints and significant cost waste.

To address these issues, Openex developed a high-precision inspection solution capable of detecting the most subtle surface damages and dimensional deviations, all at speeds up to 380 pieces per minute.

Key Benefits

• Detects both microscopic and structural defects in real-time
• Eliminates human error in high-speed inspection
• Maintains product consistency and enhances customer satisfaction
• Fully customizable to match different clevis pin geometries

Specifications

• Inspection Speed: 380 pcs/minute
• Measurement Accuracy: High precision ensured through telecentric optics and custom lighting
• Defect Type: Flange bottom dents, flange top extrusion deformation
• Optional Configuration:
  • Upward View Station: Detects flange bottom dents and surface chipping
  • Side View Station: Measures each step’s height and width accurately
  • Top View Station 1: Detects extrusion deformation at flange top
  • Top View Station 2: Measures bottom flange diameter

Technical Highlights

Clevis pin damage, particularly flange dents and extrusion deformation, has long troubled manufacturers. These flaws directly affect mechanical performance, service life, and customer satisfaction. The Openex inspection solution provides a high-performance, stable, and intelligent alternative to manual or sampling inspection.

Optical Innovation

Our optical engineers successfully solved the challenge of detecting tiny and hard-to-see defects by utilizing specialized lighting modules combined with telecentric lenses. This ensures consistent image clarity and minimizes reflection interference, even on small reflective pin surfaces.

Mechanical Stability

Due to the clevis pin’s small contact base and tall structure, stable feeding is crucial. Openex’s mechanical engineers designed a custom vibration bowl and feeding system that prevents part wobbling and ensures each pin is precisely positioned on the glass inspection disk. Additional guiding structures at the conveyor output further stabilize movement, ensuring smooth feeding and accurate inspection.

Automation & Control

The inspection process is fully automated — from part alignment and imaging to sorting. The integrated pneumatic ejection system separates good and defective parts in real-time, enabling continuous, unattended operation and complete traceability.