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Microfinishing Attachment for Lathes Achieves Improved Surface Finish on Any Material


IMPCO Machine Tools introduces a new microfinishing (superfinishing) attachment for lathes that will allow shops to achieve in minutes any specified, measurable finish repeatably and consistently for a fraction of the cost of a lathe or stand-alone machine. With the Microstar Series Microfinishers, manufacturers can achieve any finish: Ra, Rz, Rt, bearing area - even less than 1 Ra optical mirror finishes. One of the key advantages of the Microstar is its use of the patented IMPCO GBQ (Generating bearing Quality) microfinishing process.

The Microstar is said to be up to 75% more productive and more consistent than other methods for achieving desired surface finishes on nearly any material from small diameter parts to mill rolls up to 20 ft diameter, from steels to 25 durometer rubber to tungsten carbide to hard coatings, glass, plastic, or granite.

Independently controlled, the Microstar microfinisher (superfinisher) easily mounts to any lathe or grinder and is available in right or left-hand designs. Microstar is available with 115 or 230 VAC, and is CE and CSA approved.

Flexible processing, better surface finishes on any material

Microstar uses abrasive film, backed by an oscillating platen, in contact with the workpiece to achieve desired finishes without changing part geometry. A variety of quick-change platens permit flexible processing with a single microfinisher:

  • Roller platens for general finishing of diameters
  • Flat platens remove chatter and traverse surface defects typical of grinding on larger rolls
  • IMPCO GBQ shoe platens can be used to simultaneously improve surface finish and geometry on smaller parts
  • Slack platens are used for soft materials

Process control to obtain a range of finishes

Control of the abrasive is key to achieving consistent results. The abrasive film, available in a wide range of grades and standard 2", 4", and 8" widths, is automatically indexed from a 150 ft. roll and can move in either direction without clutch, gearing or electrical changes to achieve various finishes. Film speed from 0-8 IPM assures precise finish control. Variable oscillation frequency from 0-20 strokes a second and variable oscillation stroke allows Microstar to rapidly obtain the desired finish.

IMPCO said it will provide easy to follow start-up assistance and process information, and 24-7 customer support to help users produce better quality surfaces more consistently and more efficiently than ever before.

IMPCO Machine Tools, Lansing, Michigan, USA is a leading designer and builder of microfinishing machines and systems.

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IMPCO Machine Tools

3417 West St. Joseph Street, Lansing, Michigan USA 48917

Phone: (517)484-9411  Fax: (517)484-0502

Email: Sales @IMPCO.com