Samil Plastic Injection Molding Factory

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Samil Plastic Injection Molding Factory

Samil Plastic Injection Molding Factory

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Spot cooling focused on worker paths in enclosed facilities with constant heat from injection molding machines
Challenges
  • High temperatures caused by injection molding machine heat
  • Cooling limitations of portable spot coolers
  • Cooling for complex work paths

The Challenge

In facilities with significant heat from injection molding machines, standard portable spot coolers were insufficient to reduce the heat felt by workers.

High temperatures caused by injection molding machine heat

The facility's internal temperature rose easily due to heat generated by the injection molding machines. While natural ventilation vents were present, they were inadequate for exhausting the accumulated heat.

Structural limitations of portable spot coolers

Portable spot coolers have a narrow cooling range and exhaust heat back into the room. Their design causes the overall temperature of the workspace to rise the longer they are operated.

Four air conditioners required for total space cooling

To cool the entire workspace without ducting, four 80-pyeong (approx. 2,800 sq. ft.) class air conditioners were required. However, this was inefficient as it cooled areas where no workers were present.

Our Solution

We connected a single 80-pyeong class air conditioner to a fabric duct system to deliver concentrated cooling directly to the areas where workers are stationed.

Spot cooling design focused on walkways

We accounted for the layout where workers move between three different machines. The cooling range was determined based on actual movement paths rather than just a single machine location.

Zone-specific discharge direction design

We adjusted the laser-cut hole directions for each section to ensure cold air reaches workers along the complex production line. The design directs airflow at a 6 o'clock position in some sections and a 4 o'clock position in others.

Cold air distribution via fabric ducts

By connecting a fabric duct to a single air conditioner, we provided targeted spot cooling only to the necessary work zones, replacing the need for four separate 80-pyeong units.

Results

We addressed the limitations of previous temporary cooling methods and implemented a spot cooling structure tailored to the workflow of the injection molding plant.

Reduced from 4 air conditioners to 1

We replaced 4 air conditioners with a single 80-pyeong capacity unit in a facility that previously required multiple units without fabric ducts.

Improved perceived temperature for workers

By focusing cold air directly onto the production line, we lowered the perceived temperature in the areas where workers are actually stationed.

Cooling tailored to complex layouts

We designed the discharge direction for each section to provide customized spot cooling, even across complex work paths.

Gallery

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