Process Date: January 2002

Cutting urethane using a 240W Synrad laser.
The 2.5 inch thick urethane bushing shown above was cut in nine seconds while being rotated underneath a 240 watt CO₂ laser beam. Although a slight discoloration is present, no charring of the urethane material occurs. To cut the material, a 7.5 inch focal length lens having a 0.5" depth of focus and a 0.012" spot size was used. The bushing was rotated at 140 RPM during cutting, which took nine seconds (21 revolutions). Nitrogen assist gas at 20 PSI was used while cutting.