Title:
原木の芯出し方法、芯出し供給方法およびそれらの装置
Document Type and Number:
Japanese Patent JP3569304
Kind Code:
B2
Abstract:
Periphery detectors are arranged being juxtaposed closely, along the longitudinal direction of the log which is to be rotated one revolution around a virtual center, thereby a plurality of peripheries of cross sections along the longitudinal direction are detected for the log. The direction of the largest right circular cylinder is determined according to the largest inscribed circles for the peripheries of three cross sections (i.e., the ones adjacent to both the ends of the log and the one in the middle of the log) and the largest right circular cylinder itself is determined according to the peripheries of all cross sections detected. Thus the center line of said largest right circular cylinder is adopted as the turning center. The positions of a pair of inclined beams or swing arms are adjusted for canceling the deviation between the turning center and the virtual center. Furthermore, the largest radius of the long rotation around the turning center is determined from all said cross sections detected, and then the planer table is located in the stand in a position where the planar table never invades said largest radius of log rotation.
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Inventors:
Koichi Oko
Yoshifumi Itokawa
Soichi Hashimoto
Masanori Murakami
Rikuura Tetsutaro
Noriyuki Tsukashita
Yoshifumi Itokawa
Soichi Hashimoto
Masanori Murakami
Rikuura Tetsutaro
Noriyuki Tsukashita
Application Number:
JP34048693A
Publication Date:
September 22, 2004
Filing Date:
December 07, 1993
Export Citation:
Assignee:
Taihei Manufacturing Co., Ltd.
International Classes:
B23Q15/22; B27B31/06; B27L5/02; (IPC1-7): B27B31/06; B27L5/02
Domestic Patent References:
| JP5766909A | ||||
| JP5752808A | ||||
| JP58177303A | ||||
| JP527097A |
Attorney, Agent or Firm:
Masanori Sugawara