Tangential grinding machine particularly for railway rails
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United States of America Patent
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-
Mar 15, 1994
Grant Date -
N/A
app pub date -
Jan 6, 1993
filing date -
May 8, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tangential grinding machine for railway rails has a rotating member, a plurality of abrasive sectors mounted on supports radially movable on the rotating member, elements which radially move the supports in order to move the abrasive sectors outwards by an extend which compensates their wear, and a plurality of sensors which when a predetermined degree of wear of the abrasive sectors is attained are activated to act under the control of an electronic unit on the radially movable supports, in order to restore the original grinding surface of the abrasive sectors which have undergone wear. In between the rotating member and the machine structure slidable on the rail there is interposed an articulated frame provided with a mechanism to cause the rotating member to undergo transverse oscillations about a longitudinal axis substantially coinciding with the axis of curvature of the corresponding band of the rail to be ground.
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