| 摘要 |
PROBLEM TO BE SOLVED: To obtain a finish machine to automatically grind/finish a welded part, etc., when finishing a steel segment used for a tunnel, etc. SOLUTION: A segment is carried in by carrying in devices 21, 23, 25, is advanced by a base reciprocating mechanism 89 and is positioned by positioning mechanisms arranged on the unit 89 on each base 35. A column on the unit is reciprocated by a column reciprocating mechanism 61, at the same time, a cutter device 67 on the column is roughly vertically moved by a cutter elevating mechanism 67, grinding is performed. At this time, the tip of a stylus rod integrally arranged with the cutter device is guided to a guide member abutted on the segment, the groove formed along the welded part between a main beam of segment and a joint plate and outside the main beam is automatically ground to be finished. Further, a segment having different plane shape is coped with so that an upper table is turned for a lower table of an unit table by a turning mechanism.
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