As an experienced procurement professional in the pharmaceutical industry, I fully understand that selecting a cartoning machine is far from a simple task. A wrong decision can lead to frequent downtime, excessive packaging material waste, and in severe cases, reduced overall production line efficiency or even product rejection.
Over the years, I have been involved in multiple projects covering solid dosage forms, инъекции, and oral liquids. Based on practical experience, here are the key factors that must be carefully evaluated when selecting a cartoning machine.
1. Matching Feeding Systems with Different Product Types
Pharmaceutical products come in various formats, such as blister packs, бутылки (round or square), саше, and tubes. A well-designed cartoning machine must be equipped with appropriate feeding systems tailored to each product type.
Блистерные пакеты: Typically require servo-controlled vibration feeders that ensure gentle handling and precise placement to avoid damage.
Bottles: Usually handled via rotary tables combined with guide mechanisms to ensure stable positioning and smooth transfer from upright to horizontal orientation.
Sachets and Tubes: Best handled with vacuum suction feeders to prevent sticking or overlapping.
When evaluating a machine, it is critical to clarify whether switching between product types requires replacing the entire feeding system or simply changing modular feeding units. A modular design can significantly reduce future changeover costs.
2. Compatibility with Different Carton Sizes
Product portfolios often include multiple packaging formats—for example, blister packs with 10, 20, or 30 таблетки, as well as bottles of varying diameters. These differences result in a wide range of carton sizes.
An ideal cartoning machine should support a broad adjustment range, такой как:
Length: 60–180 mm
Width: 30–120 mm
Height: 15–80 mm
Equally important is the adjustment mechanism:
Entry-level machines require manual adjustments using tools, which is time-consuming and prone to error.
Intelligent machines feature handwheels with scale indicators or even servo-driven automatic adjustment systems, enabling format changeovers within minutes.
3. Ease of Changeover and Setup
Changeover involves more than just adjusting dimensions. It also includes fine-tuning operations such as carton folding, leaflet insertion, and optional hot-melt glue application.
Before purchasing, I strongly recommend requesting a live demonstration of a full changeover process, focusing on:
Carton forming tools: Are suction cups and guide rails quick to replace?
Pusher adjustment: Can the relative position between product, leaflet, and carton be fine-tuned easily?
Leaflet folding unit: Can it adapt quickly to different leaflet sizes (multi-fold A4 vs. smaller formats)?
Sensor repositioning: Do photoelectric sensors for detecting missing products or leaflets require manual reinstallation?
If a full changeover takes more than four hours and requires specialized tools, it should be considered a major operational drawback.
4. Material Quality: The Hidden Risk
Pharmaceutical manufacturers have strict requirements for machine materials. Key inspection points include:
Product-contact parts: Must be made of 316L stainless steel, with material certificates provided.
Transmission components: Gears, chains, and cams should undergo proper heat treatment to ensure sufficient surface hardness.
Electrical components: PLCs, HMIs, and inverters should come from reputable brands such as Siemens or Mitsubishi. Lower-quality alternatives often have high failure rates, especially in humid environments, and can severely impact production efficiency.
5. Continuous Operation and Reliability
Pharmaceutical production often runs in two or three shifts, requiring machines to operate continuously for 16–20 hours.
When selecting equipment, request data on MTBF (Mean Time Between Failures) and review real customer case studies. If possible, conduct on-site visits to observe machines in operation.
During operation, pay attention to:
Rejection rate stability (normally below 0.5%)
Carton quality issues such as improper flap closing or incomplete sealing
Leaflet folding accuracy and risk of jamming
Кроме того, lubrication systems are critical. Automatic centralized lubrication systems are far more reliable than manual lubrication and help prevent unexpected downtime.
6. Pre-Purchase Testing: A Critical Step
One of the most common mistakes in procurement is skipping pre-purchase testing.
Based on my experience, you should send at least three of your most challenging product types—along with corresponding cartons and leaflets—to the supplier and request a test run of at least 2,000 коробки.
Key aspects to evaluate during testing:
Empty carton rejection: Intentionally omit products or leaflets to verify 100% detection and rejection capability.
Handling of irregular products: Например, slightly bent blister packs should not cause jams during feeding.
Noise and vibration: Unusual noise may indicate design flaws in cams or bearings.
Energy consumption: Record actual power and compressed air usage for accurate cost estimation.
After successful testing, all validated parameters (pushing speed, air pressure, temperature settings) should be documented as acceptance criteria for the Factory Acceptance Test (FAT).
Заключение
Choosing a cartoning machine is not about selecting the most expensive or fastest option—it is about finding the best fit for your specific product range, ensuring easy changeovers, and maintaining long-term operational reliability.
From feeding system compatibility and carton size flexibility to ease of adjustment, material quality, continuous operation performance, and thorough pre-purchase testing—every step requires careful evaluation rather than assumption.
I hope the lessons learned from my experience can help you avoid common pitfalls and select a cartoning machine that truly delivers in real production environments.
