To learn an ice resurfacing machine

As the manufacturer of ice resurfacing blade, we should also need to know the ice resurfacing machine. Then what's made of? And what's the founction?

An ice resurfacing machine shaves the ice, removes the shavings, washes and squeegees the ice, and has enough carrying capacity to clear the ice surface in one run, making it completely smooth. Ice resurfacing machines are widely known by the brand name Zamboni, Olympia and so on.

The main component of an ice resurfacing machine is the sled (also known as the conditioner). The sled houses the blade, which shaves the ice, and the towel, which acts as a squeegee. It also distributes the wash water and the fresh water onto the ice. When the sled unit is lowered to the ice the machine is in operative condition. As the machine is driven forward, the blade takes a light shaving cut off of the ice to clean the surface. The shaved ice is moved toward the center of the sled unit by the worm screw conveyor, picked up by the chain conveyor, and dumped into the snow box. The spreader receives water from the tank. Surplus water is picked up from the ends of the spreader and discharged into the snow box. These ice machines can only get up to a speed of 9 mph (14.5 km/h).

(From: http://www.madehow.com/Volume-7/Ice-Resurfacing-Machine.html)