| 摘要 |
a table forming four diagonal guide grooves(101-104); a pushing member for moving the work by pushers(111-114) facing to each other respectively on the table(100); a feeding member for moving the pushers(111-114) back and forth using ball screws(121,122) a crossing under the table(100); a motor driving part(150) for controlling the motor(141,142) of the feeding member; and a controlling part(160) for controlling the motor driving part(150) by the signal detected by the sensors(131-134) detecting the contact of the work with the pushers(111-114).
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