1991 DCM IG-280SD Rotary Surface Grinder

Serial No: 13579 | 24" Rotary Table | Integrated Mist Collection

Overview

The DCM IG-280SD (Standard Duty) is a rugged, American-made rotary surface grinder engineered for precision flat-grinding, tool sharpening, and die maintenance. This 1991 model hails from DCM’s era of "overbuilt" machinery—combining a massive 7,200 lb vibration-dampening frame with the specialized capability of a variable-speed 20HP spindle.

Equipped with a factory-integrated mist collection system, this machine is ready for high-volume wet grinding while keeping the shop environment clean and compliant. Whether you are grinding tool steel, carbide, or non-ferrous plates, the IG-280SD provides the "grind-to-height" repeatability that manual grinders simply cannot match.

Technical Specifications

• Year of Manufacture: 1991
• Magnetic Chuck: 24" Diameter Electromagnetic
• Maximum Swing: 27" (Inside Guards)
• Maximum Work Height: 12" (Standard)
• Spindle Motor: 20 HP High-Torque Variable Speed
• Spindle Speed: Infinitely Variable (600 – 2,700 RPM)
• Table Speed: Variable (5 – 70 RPM)
• Z-Axis Feed: Servo-Driven Precision Ball Screw
• Vertical Feed Resolution: 0.0001" increments
• Electrical: 230V / 460V, 3-Phase
• Machine Weight: Approx. 7,200 lbs

Key Features & Dealer Benefits

• Integrated Mist Collection: Includes a top-mounted filtration unit that pulls grinding aerosols and coolant mist away from the operator, improving air quality and reducing shop cleanup.
• Programmable Grinding Cycles: Feature-rich control allows for "Auto-Downfeed" with programmable roughing, finishing, and spark-out passes for "set-it-and-forget-it" operation.
• 20HP Variable Speed Spindle: Provides the torque necessary for aggressive stock removal while allowing for lower speeds to prevent burning on heat-sensitive tool steels.
• Full Splash Guarding: Fully enclosed work area keeps coolant and debris contained, allowing for a high-flow flood coolant setup.
• Easy Setup: Equipped with an electronic handwheel for precise manual positioning of the Z-axis during initial workpiece contact.

Condition & Investment Value

• Serviceability: DCM Tech (Winona, MN) provides world-class support for this vintage. All major components—including bearings, seals, and electronics—are fully supported.
• Rigidity: Unlike modern light-duty imports, the 1991 IG-280SD uses heavy cast-iron components that maintain accuracy under heavy loads for decades.

Dealer Note: Finding a DCM 280 with the 24" table and a working mist collector is a rarity in the used market. This machine is a direct competitor to Blanchard and Mattison, offering a much more modern footprint and easier operation.