Machine tool builder Bourn & Koch, Inc., located in Rockford, IL, will host an open house Friday and Saturday, September 12 and 13 from 10 a.m. until 4 p.m. during IMTS. The open house will include demonstrations of a Blanchard 11-20AD rotary surface grinder and a B&K 100H CNC horizontal hobbing machine, a tour of the new 25,700 ft² office and engineering center and the new 800 ft² demonstration center. Food and refreshments will be served.