Direct answer
Variation usually begins with changing product or packaging conditions, unstable presentation, unsuitable settings or wear in the process. For bottle orientation, confirm the result with representative product and packaging before altering several variables at once.
Likely causes
- Product, pack or environmental conditions are changing during the run in the bottle orientation process.
- The presentation or detection point is not repeatable in the bottle orientation process.
- Settings are compensating for a worn or unsuitable component in the bottle orientation process.
- The acceptance method is visual when the result should be measured in the bottle orientation process.
What should be checked first?
- Measure a representative sample at the start, middle and end
- Record product temperature, density, viscosity or bulk condition
- Check pack dimensions and supplier-batch variation
- Inspect guides, sensors, valves, seals and contact parts
- Run one controlled setting change at a time
- Compare the easiest and hardest normal format
- Define a numerical pass limit
What should you compare before buying?
Compare the operating principle against the actual product, pack range, sustained good output, measurable quality limits, cleaning, changeover and site conditions. Use representative samples and agree what will be demonstrated during testing before delivery and after installation.
Machinery options for this problem
Start with the first option below. It most closely matches the product, pack and problem described on this page. The other options may suit a wider line or a different level of automation.
Related bottle orientation questions
Preparation and feedingHow can I increase bottle orientation production speed?
Increase sustained good output by identifying the actual constraint, separating machine cycle time from handling time and removing the first recurring cause of waiting.
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Preparation and feedingWhy does bottle orientation equipment keep jamming or stopping?
Find the first point where control is lost. A downstream alarm is often only the final symptom of poor feeding, transfer, detection or format control.
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Preparation and feedingHow can I reduce waste when handling bottle orientation?
Measure product loss, rejected packaging, rework and start-up waste separately, then remove the largest repeatable cause.
See the checks →