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A blade surfacing machine for precisely honing a pair of intersecting surfaces on an extruder blade. The working surface of a rotating honing stone is maintained in spring-biased contact with a precisely leveled guide surface to achieve linear uniformity of the blade. A workholder table is pivotable

A blade surfacing machine for precisely honing a pair of intersecting surfaces on an extruder blade. The working surface of a rotating honing stone is maintained in spring-biased contact with a precisely leveled guide surface to achieve linear uniformity of the blade. A workholder table is pivotable about a horizontal axis and may be pin locked at selectable angles to produce blades having a selective angle of intersection between the two honed surfaces.

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A blade surfacing machine comprising: a frame; a work table; means movably securing said work table to said frame for rotation about an axis; means to clamp a blade to be surfaced on said work table; a guide plate having a planar guide surface lying in a plane; means securing said guide plate to sai

A blade surfacing machine comprising: a frame; a work table; means movably securing said work table to said frame for rotation about an axis; means to clamp a blade to be surfaced on said work table; a guide plate having a planar guide surface lying in a plane; means securing said guide plate to said frame for transverse movement relative to said axis; means for moving said guide plate relative to a blade on said work table in a direction perpendicular to said axis a honing member having a major portion of a planar honing surface in engagement with said planar guide surface on said guide plate; and means positioning said work table and said guide plate such that a blade clamped to said work table is engaged by the planar surface on the honing member upon movement of the honing member relative to the guide plate.