What kind of feed drive system is used?
The feed rollers on the top and bottom of the machine are driven via sprockets and chains. These parts are all encased in a sealed gear box which runs in oil. The gear boxes are virtually wear-free because they are not exposed to dust. On many other frame saws, the sprockets and chains are not enclosed and are completely exposed to dust and other contaminants. With this type of this exposure, the chains and sprockets dry up and need to be changed frequently.