A bottleneck around the label applicator often starts with product handling, not the labeller itself.
If products arrive too close together, face the wrong way, or faulty products cannot be rejected reliably, labelling accuracy and throughput can suffer.
This guide explains where those hidden delays happen and how automated spacing, orientation, inspection and rejection can help keep the line moving.
In this article:
- Product spacing, orientation, inspection and rejection are the four handling areas most likely to affect labelling accuracy.
- Pre-labelling handling controls how products arrive at the applicator; post-labelling handling checks and removes faulty products after the label is applied.
- Conveyor systems and product handling components can be specified around existing line constraints.
- Automated rejection helps remove non-conforming products without relying only on manual checks.
- Vision inspection supports label placement and readability checks before products move downstream.
Don’t Let Product Handling Create a Packaging Line Bottleneck
In food, beverage and pharmaceutical production, there’s huge pressure to ensure labels are accurate, compliant and applied at speed. But while most teams focus on the label applicator itself, the true bottlenecks often lie just before and after it.
A packaging line bottleneck can start with misaligned products, inconsistent spacing, or unreliable rejection – all of which can lead to mislabelled products or, worse, downtime.
If your labelling is underperforming, it might be time to look upstream and downstream.
What Is Pre and Post Labelling Product Handling?
Pre-labelling handling refers to everything that happens before a label is applied, including how the product arrives, how it’s spaced, and whether it’s oriented correctly.
Post-labelling handling covers vision systems for inspection, rejection of faulty products, and smooth transport down the line.
Common Bottlenecks in the Labelling Zone
1. Inconsistent Orientation
Without a spacing unit, products can bunch up or arrive unevenly, causing the applicator to miss or misplace a label.
The right conveyor systems keep products moving at the correct pace, while product handling components help steady, space and orient items before they reach the label applicator.
2. Incorrect Orientation
Round bottles or oddly shaped items need to be precisely rotated or aligned using orientation modules. Otherwise, labels end up skewed, folded, or unreadable.
3. No Automated Rejection System
If there’s no automated rejection system, errors pass through unchecked, or require manual inspection and removal, which slows everything down. Well-designed labelling systems reduce that risk by keeping the line consistent and controlled.
4. Missing Vision-Based Inspection
Vision systems are the smart way to ensure every product is correctly labelled. Without them, you’re relying on luck, or people, to catch issues.
Vision inspection systems can work with rejection arms to support quality assurance where labelling errors need to be caught at line speed.
What Does Automated Product Handling Actually Include?
Product handling automation can include conveyor systems, spacing units, orientation modules and rejection arms.
At ALS Identify, product handling systems are designed and built around product flow, label application, inspection needs and available space on the line.
The Business Case for Handling Automation
The return from automated product handling can come from fewer jams, less rework and better throughput around the labelling zone.
- Reduce Rework by automatically rejecting non-conforming products
- Ensure Compliance with consistent, verifiable label application
- Protect Uptime by eliminating jams and misfeeds
- Improve Quality Control with real-time inspection
- Speed Up Changeovers with flexible, programmable automated labelling systems
Frequently Asked Questions About Product Handling Automation in Labelling Lines
What happens to labelling accuracy when products aren’t spaced or aligned correctly?
Inconsistent spacing causes the applicator to miss or misplace labels, while incorrect orientation on round or irregularly shaped items can result in skewed, folded, or unreadable labels. Both problems can create non-conforming products that either pass through unchecked or require manual intervention to remove.
What does automated rejection actually involve in a labelling line?
An automated rejection system removes non-conforming products from the line without relying on manual removal, typically working alongside a vision system that inspects each item in real time. Without it, errors either go undetected or rely on manual checks, which slows throughput and increases the risk of mislabelled products reaching the next stage.
How do vision systems fit into post-labelling product handling?
Vision systems inspect each product after labelling to confirm the label is correctly placed and legible. Vision systems can provide a consistent quality check at line speed. They reduce reliance on manual inspection and support the kind of consistent checks that compliance-driven industries like food, beverage and pharmaceuticals often need.
Can pre and post-labelling handling equipment be integrated into an existing production line?
Yes, handling systems including spacing units, orientation equipment, conveyors, and vision inspection can be designed to work within an existing line rather than requiring a full rebuild. The goal is to address the specific bottlenecks upstream and downstream of the applicator without disrupting the rest of your operation.
Fix the Bottlenecks Around Your Labeller
A high-speed label applicator cannot compensate for poor product flow. If items arrive bunched together or facing the wrong way, mislabelled products become more likely.
Automating your pre-labelling and post-labelling handling gives you more consistent spacing, correct orientation, inspection and automatic rejection of faulty items, so the line can keep moving.
Download our product handling buyer’s checklist to evaluate your current setup, or speak to an automation expert to discuss the right setup for your facility.
