[Ace Grinding - Schram Ent., Inc. Custom Centerless Grinding. 5017 W. Lake St. Melrose Park, Illinois 60160, precision bar stock, Titanium grinding, medart bar straightening, eddy current testing. We are Ace Grinding in Melrose Park Illinois, serving the entire Chicago land area and United States. Our objective at Ace Grinding is to provide the highest level of service available in the centerless grinding industry. Our goal is to exceed the expectations of our customers regarding quality and service. We specialize in Titanium Grinding and we are possibly the largest grinder of Titanium in the state. ]