Quality Assurance in Automated Bottling
Inspection equipment ensures every container leaving the line meets quality specifications. While often overlooked in used equipment purchases, inspection systems prevent costly product recalls and protect product quality.
Common Inspection Points in a Bottling Line
| Inspection | Location | Technology | Purpose |
|---|---|---|---|
| Empty bottle inspection | After rinser | Camera vision | Detect contamination, damage |
| Fill level check | After filler | X-ray, gamma, HF | Verify correct fill volume |
| Cap presence/torque | After capper | Camera + torque sensor | Ensure proper sealing |
| Label presence | After labeller | Camera/sensor | Verify label position |
| Date code verification | After coder | Camera OCR | Confirm legibility |
| Leak detection | After capper | Squeeze or pressure | Detect seal failures |
Camera Vision System Assessment
Vision systems are the most technology-sensitive inspection equipment. Evaluate camera resolution, lighting condition, software version, and processing speed. Older systems may struggle with high-speed lines or require expensive software upgrades.
Integration Requirements
- Communication with line PLC for reject signal timing
- Reject mechanism condition (air blast, pusher, diverter)
- Statistics and data logging capability
- Calibration procedures and reference samples
- Network connectivity for production reporting
When to Upgrade vs Buy Used
Inspection technology evolves rapidly. Used camera systems older than 7–10 years may lack the processing power and software support needed for reliable operation. Fill level detectors and mechanical inspection equipment have longer useful lives and can be good used purchases.
Frequently asked questions
Is used inspection equipment reliable?
Mechanical inspection equipment (fill level, cap torque) can be excellent used purchases. Camera vision systems should be evaluated carefully as older systems may lack software support.
What inspection is legally required?
Requirements vary by country and product. Most jurisdictions require fill level compliance (weights and measures) and date coding. Food safety regulations may require additional checks.
Can I add inspection to an existing line?
Yes, most inspection systems can be retrofitted between existing machines. Space, power, and pneumatic connections are the main requirements.

