
Why Auxiliary Equipment Deserves More Attention in Plastics Processing
In the world of plastics processing, the spotlight often shines brightest on capital equipment—injection molding machines, extruders, and blow molding machines. These are the centerpiece of production lines and the backbone of manufacturing capability. As such, they command extensive engineering review, budget approvals, and rigorous specification processes.
But while all eyes are on the “main machine,” there’s a critical gap that too often gets overlooked: the proper specification and integration of auxiliary equipment.
The Missing Piece of the Puzzle
Auxiliary equipment—dryers, chillers, conveyors, mold temperature controllers, water manifolds, blenders, and material handling systems—might not carry the same price tag or visual impact as a 500-ton press, but they are essential to overall process performance, part quality, and uptime.
Despite this, auxiliary equipment is often:
- Specified late in the project cycle.
- Purchased on price rather than performance.
- Mismatched to the throughput, material, or application.
- Underutilized or misused due to a lack of training or integration planning.
The result? Process inefficiencies, inconsistent product quality, and higher operating costs.
Common Auxiliary Equipment Missteps
- Undersized or improperly configured mold temperature controllers that fail to provide consistent heating and cooling, impacting cycle time and part finish.
- Conveyors and automation systems not tailored to part handling needs can lead to jams, damage, or unnecessary labor.
- Dryers that are either oversized or lacking dew point monitoring, causing energy waste or inadequate drying that affect material properties.
- Material delivery systems that don’t account for resin variability, changeover frequency, or future growth.
Each of these issues can undermine the performance of even the most advanced capital equipment.
Elevating the Role of Auxiliary Equipment
A fully optimized plastics processing cell doesn’t start and end with the machine—it includes the entire ecosystem. Forward-thinking processors and integrators are now:
- Involving auxiliary equipment specialists early in the design phase.
- Treating auxiliary systems as part of the “total process design,” not an afterthought.
- Applying the same rigor in specifying auxiliaries as they do for presses or extruders.
- Using simulation tools and data analysis to size systems accurately.
- Prioritizing modularity and integration to streamline operations.
Final Thoughts
Capital equipment may be the engine of your operation, but auxiliary equipment is the transmission, fuel system, and suspension. Without the right support systems in place, even the best machines will struggle to deliver their full potential.
It’s time to give auxiliaries the respect they deserve—not just as add-ons, but as critical components of a high-performance plastics processing environment.