Debunking Common Misconceptions in Feeding Plastics

Over the years, we’ve encountered several misconceptions from potential customers about weighing and dosing systems. Many come to us with preconceived ideas about what will work best for their processes. However, after exploring our solutions, they often discover that their initial approach may not have been the most effective. In this post, we want to gently challenge some of these common misconceptions and share insights that can lead to more efficient and accurate production processes.

Misconception 1: Volumetric Feeder is Better than Gravimetric Feeder

A common belief we hear is that volumetric feeders are preferable because they are more cost-effective, easier to operate, and simpler to maintain. While volumetric feeders may seem like the cost-effective choice, this belief overlooks one key factor: precision.

Overdosing color may go unnoticed due to color saturation, but the cost impact becomes clear over time. Conversely, underdosing leads to defective products, increasing waste. Gravimetric feeders, on the other hand, ensure accurate and consistent dosing by weighing the material as it’s fed, preventing both overuse and defects. Though initially more expensive, systems like ColorSave 1000 ultimately reduce material waste, scrap rates, and production downtime—making them the smarter financial choice in the long run.

Misconception 2: Individual Blender Per Machine is Preferable to Centralized Blending Systems

Another widespread misconception is that individual blenders for each machine are better for flexibility and performance. Many believe that having one centralized blending system is more complicated or inefficient. However, we’ve found that a centralized system provides far greater control, consistency, and ease of management across the entire production line. It allows for seamless material changes on specific machines without stopping the entire line, ensures accurate tracking of raw material consumption, and supports a wider variety of materials for each machine—leading to improved quality and reduced costs. Our customers have seen significant improvements in both efficiency and product quality when switching to BlendSave or PelletSave, our centralized blending systems.

Misconception 3: Manufacturing PCR-Based Raw Materials Will Lead to Inconsistencies

Another common belief is that recycled material based on Post-Consumer Recycled (PCR) waste will inevitably lead to inconsistent product quality, making it harder for manufacturers to maintain uniform production standards. This concern is valid, but the key to overcoming it lies in how the PCR material is produced. At LIAD, we’ve developed the Spectro 4.0 systems, designed specifically for PCR producers to ensure color consistency during the recycling process. By implementing Spectro 4.0, PCR suppliers can achieve reliable, high-quality recycled materials with minimal variation. For manufacturers using PCR-based raw materials, working with suppliers who utilize Spectro 4.0 can help ensure stable and predictable results in their production processes.

Adopting Innovative Solutions for Efficient Manufacturing

We are dedicated to challenging outdated assumptions and helping our partners optimize their production processes. By adopting the right technologies and moving beyond these common misconceptions, you can significantly improve both efficiency and cost-effectiveness. For more information on how we can help improve your operations, we encourage you to explore our detailed articles:

By embracing the right technologies and debunking common misconceptions, we can take your production efficiency to the next level.

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