Grinding Department: Blanchard, Surface, External, and Universal Grinders, from Checker Machine in Minnesota
| Blanchard Grinders - Are used primarily for flat plate grinding. Checker Machine has the largest Blanchard grinding department in the Midwest. Checker Machine has (4) Blanchards ranging in size from the smallest one, a machine with a 42" diameter chuck, a 48" swing and a 18" vertical capability, to the largest, with a 120" chuck, a 144" swing and 48" vertical capacity to meet your grinding needs. |
| Surface Grinders - are used to grind surfaces to extremely tight tolerances and finishes. The surfaces can be either flat or formed. Grinding is often the next step after Blanchard grinding.Checker Machine has 7 surface grinders starting with a 10" x 20" travel, going all the way up to a Mattison automatic surface grinder with a 120" long travel x 30" vertical travel x 40" transverse travel. |
External Grinders - are sometimes referred to as cylindrical grinders and are used to grind shafts and roll to extremely close tolerances. Checker Machine has 3 of these grinders. The largest one handles shafts up to 25" in diameter and 174" long. The smallest one can handle shafts with up to a 6" diameter and 18" in length.
Universal Grinders - are many times referred to as OD/ID grinders. These machines can be vertical or horizontal in nature and are used to grind a precise finish on either the outside of a shaft or tube, or, the inside of a tube or ring. Checker Machine has 2 machines that are capable of handling up to 60" diameter parts.
