I recently purchased the Rigid 2720 belt sander. Since my experience is limited on belt sanders I have come across a head scratcher. I'm refinishing old stair treads and I'm using 36,50,80grt belts(Norten-Home Depot). I'm running on the highest speed (F). The belts are hardly worn by the time they bust at the seem. They are bidirectional because they do not have an arrow. I do notice the platen gets really hot,could this be the cause? Has anyone replaced the stock platen w/a graphite one (How,why,results)? Does Rigid make a graphite platen? Are the belts I'm using worthless? I do not force the sander nor exert additional pressure because there is no need to, plenty of power and weight to spare. I don't think I should be running at a lower speed due to the belt issue. Any suggestions would be greatly appreciated.
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Belts gone wild