Roller Burnishers Handle Complex Contours

Ecoroll's hydrostatic HG line of tools can roller burnish and deep roll complex contours and freeform surfaces of metal components.

New Product Announcements From: 8/4/2014 Modern Machine Shop, ,

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Ecoroll's hydrostatic HG line of tools can roller burnish and deep roll complex contours and freeform surfaces of metal components. Also designed for hard roller burnishing, the tools are compatible with CNC lathes, drills, milling machines and machining centers as well as manually controlled machines. The tool design consists of a burnishing ball constructed of hard material that is hydrostatically suspended by either pressurized water-soluble coolant or oil. The bearing maintains a supporting fluid film between the ball and the ball seat independent of the distance between tool and workpiece. The tool's following system enables the ball to follow the contour while also maintaining constant burnishing force.

When used with the company’s HGP pumps, the burnishing tools are said to offer consistent, controllable operating pressures as high as 400 bar, generating burnishing force as the ball rotates against the workpiece surface. According to Ecoroll, the tools can handle more complex shapes than standard roller burnishing tools because the hydrostatic ball can freely rotate in any direction even at high speeds due to low friction.

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