► PGA can be applied on surface grinder and automatically find concentricity for cylindrical grinding.
► The rollers can be used to adjust the workpiece before grinding.
► Use screw pressure for firm holding as shown in the picture for heavy grinding.
► Rollers accuracy is within 0.005mm.
► Capable of grinding punches of outside dia. from 1.5 to 25mm, extended grinding length is within 5-35mm.
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