Eco-Friendly Air Suspension Wheel Replaces Rubber Tires
Think of it as a wheel where the steel meets the road. The ASW is a patented airless mechanical design constructed primarily of steel with in-wheel suspension.
The ASW combines an inner steel hub with an outer steel drum which is connected by 8 to 12 nitrogen-filled air cylinders and 4 to 6 oil-filled dampers that provide suspension.
On the outer drum, individually bolt-on steel or polyurethane treads are fitted. These individual treads can be replaced without removing the wheel, a time-consuming process that takes up to 8 hours with OTR rubber tires.
“The ASW is so much more than just another wheel,” said Dr. Zoltan Kemeny, president and CEO of Global Air Cylinder Wheels. “As opposed to the traditional pneumatic tire providing suspension outside the rim, the ASW suspension is located inside the wheel. Essentially, our wheels become part of the vehicle’s overall suspension system. Our wheels are an effective and viable option to rubber tires. They are cost-efficient, safer, and are better for the environment, and for those industries that rely heavily on tires.”
GAWC’s wheel technology has been tested in real-world conditions, and the company has been developing the ASW for OTR mining vehicles since 2015.
Rubber tires are expensive and account for the mining industry’s largest expense after payroll. Rapid wear and tear caused by impacts, rock cuts, and extreme and uneven loading mean the lifespan of an expensive mining tire is short.
By contrast, the ASW is durable and designed to have the same lifespan as the vehicle itself, (approximately 10-15 years), meaning fewer replacement costs and less time spent swapping out damaged tires. Unlike rubber tires, the ASW can be leased, with a 15% residual value after 10 years of service.
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