USED BALDOR DG1152DA

Sterling by McDonough Model DG Drill GrinderModel: DG | Motor: 1/2 HP | Capacity: 1/8" to 2-1/2" DrillsOverviewThe Sterling McDonough DG is a professional-grade drill sharpener designed for high-accuracy grinding of 2, 3, and 4-flute twist drills. Featuring a 1/2 HP, 3,450 RPM motor, this unit is optimized for precision toolroom use, providing enough torque to maintain consistent spindle speeds during the sharpening process. Its standout feature is the V-block holding system, which eliminates the need for expensive collet sets and allows an operator to switch from a 1/8" bit to a 2-1/2" bit in seconds.Technical SpecificationsDrill Capacity: 1/8" to 2-1/2" Diameter.Flute Range: Sharpens 2, 3, and 4-flute drills.Included Angles: Variable adjustment from 90° to 140°.Motor: 1/2 HP Industrial Motor (typically 115V Single-Phase or 230/460V 3-Phase).Grinding Wheel: 6" Straight Cup Wheel (Standard 70-Grit Aluminum Oxide).Infeed Control: Micrometer head for ultra-precise material removal.Construction: Heavy cast-iron swing arm and base for maximum rigidity.Key Performance FeaturesSimplicity & Speed: The V-block and tailstock design is "self-centering," meaning there are no chucks or collets to swap. This significantly reduces downtime in shops that sharpen a wide variety of drill sizes.Versatile Point Geometry: Easily adjust for different materials by changing the included angle, from 90° for soft plastics to 140° for hardened stainless steel.Integrated Dressing: Includes a built-in diamond wheel dresser to ensure the cup wheel face remains perfectly flat, which is critical for achieving a perfectly centered drill point.Compact Footprint: Often pedestal-mounted, the DG model provides industrial-scale capacity without taking up the floor space of larger cylindrical grinders.