12. Tool skid – Transverse skid
There are scale rings fitted to enable you to read of the distances
Trapezoidal-threaded spindles
■ One interval on the scale ring (4) of the transverse skid represents a 0.05 mm distance, which
corresponds to the same chip removal on the work piece, thus in reality the skid is only adjusted
by 0.025 mm but the work piece diameter changes by 0.05 mm.
■ One turn of the ball crank (1) on the transverse skid corresponds to 2 mm of travel, but a change
of 4 mm to the diameter of the work piece.
■ One scale mark on the scale ring (16) of the tool skid represents a distance of 1 mm. One turn of
the hand wheel (15) corresponds to a distance of 30 mm.
Ball screw spindles
■ One interval on the scale ring (4) of the transverse skid represents a 0.05 mm distance, which
corresponds to the same chip removal on the work piece, thus in reality the skid is only adjusted
by 0.025 mm but the work piece diameter changes by 0.05 mm.
■ One turn of the ball crank (1) corresponds to 5 mm of travel, but a change of 10 mm to the
diameter of the work piece.
■ One scale mark on the scale ring (16) of the tool skid represents a distance of 0.05 mm. One turn
of the hand wheel (15) corresponds to a distance of 5 mm.
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