Inspection & Quality
Industrial Rejection Systems
Main function
Industrial rejection systems are automated modules designed to remove non-conforming products from the production flow after detection by inspection equipment (metal detectors, X-ray systems, vision systems, checkweighers, or packaging compliance sensors).
Depending on the product type, production speed, and line configuration, different mechanisms can be used to eject, divert, drop, or stop the product without disrupting overall production flow.
These solutions ensure quality compliance by guaranteeing that only validated products continue through the production line.
Typical applications
| Application | Description | Operational objective |
|---|---|---|
| Pneumatic pusher | Horizontal mechanism actuated by a pneumatic cylinder pushing the product toward a reject zone | Reliably remove a wide range of packaged products, even at high speeds |
| Rotary sweep | Pivoting arm or blade performing a sweeping motion to divert products off the conveyor | Ensure continuous and smooth rejection of cylindrical containers |
| Air blast | Compressed air jet removing the product from the line without mechanical contact | Quickly reject lightweight products without contact or flow disruption |
| Retractable conveyor (drop reject) | A conveyor section temporarily retracts to allow the product to fall into a reject zone | Ensure precise and reliable rejection on high-speed lines or unstable products |
| Stop-on-detect | Automatic conveyor stop upon defect detection | Enable safe removal of heavy, sensitive, or non-standard products |
Key benefits
· Maintains line performance: Automated rejection mechanisms preserve line speed while ensuring product compliance.
· Adaptability to product and process: A wide range of technologies allows selection of the optimal solution depending on product format, weight, and line speed.
· Precision and synchronization: Activation based on inspection equipment signals ensures that only the targeted product is rejected.
· Sanitary design available: Stainless steel versions and washable components are available for food and sensitive environments.
· Process control and traceability: Options include rejection confirmation, presence sensors, and full reject-bin detection.
Technical specifications
- Frame Stainless steel or painted steel structure depending on environment, robust design for automated lines
- Belt Compatible with belt, roller, or modular chain conveyors depending on application
- Drive System Pneumatic, electric, or mechanical depending on rejection technology
- Components Pneumatic pusher / ram Rotary sweep Air blast Retractable conveyor (drop reject) Stop-on-detect
- Available Options Reject confirmation, presence sensors, bin full detection, multi-technology integration, custom design
Solutions tailored to your operations
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