Gleason Lappers
GLEASON MODEL 503 HYPOID LAPPER, 10.5” diameter gear, 6” diameter pinion, Hydraulic Clamping on both Spindles, Swing Pinion Cone (SPC) attachment, Hydraulic Brake, Automatic Backlash Control, 1965 (30025) 
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GLEASON MODEL 514 (503) HYPOID LAPPER 10.5” diameter gear, 6” diameter pinion, Hydraulic Clamping on both Spindles, Swing Pinion Cone (SPC) Attachment, Automatic Backlash Control, 1992 (30014) a,b,c
This is a Gleason remanufactured Model 503 that was updated as a Model 514 for faster lapping times, improved quality, more accurate control, and increased flexibility.. The Swing Pinion Cone (SPC) lapping action, combined with the conventional pinion horizontal and backlash motions, permits fast and accurate lapping of the tooth surface.
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