Patent ID: 11858164
Assignee: MEINAN MACHINERY WORKS, INC.
Field: Machine tools (Mechanical engineering)
Classification: CPC B  G  Y | IPC B

Claim 2:
3. The log feeding apparatus according to claim 2,
wherein the log feeding unit includes a placing section on which the log is placed, said placing section having a reference portion that serves as a reference for calculating the temporary rotation axis center line of the log, and
the controller calculates a virtual radius of the log along a direction from the first receiving position to the first delivery position, using a sixth distance from the reference portion to the log detection sensor when the log feeding unit is at the first receiving position, a displacement of the reference portion when the log feeding unit moves from the first receiving position to the position where the log is detected by the log detection sensor, and a geometric shape of the placing section, and
the controller further calculates an eighth distance from a sum of the virtual radius and a seventh distance to the rotation axis center line of the first and second centering spindles when the centering unit is at the second receiving position, so as to cause the log feeding unit to move by the eighth distance after the log detection sensor has detected the log.