Method for operating a sawline and a sawline
AssigneeVeisto Oy
InventorMarkku Rautio
Life of this patent
Estimating the term…
Abstract
In a method for operating a sawline for logs, the sawline including a conveyor for conveying a log in the sawline, and a processing apparatus for processing the log, the log is fed into the sawline, the log is conveyed onwards in the longitudinal direction in the sawline, the overall length of the log is determined, and the log is guided into the processing apparatus, with which the log is processed at the same time, when the log is conveyed onwards in the sawline. The length of the part of the log that is outside the processing apparatus is determined with a camera apparatus, and the location of the end of the log in the processing apparatus is determined on the basis of the overall length of the log and on the basis of the length of the part of the log that is outside the processing apparatus.
Claims12
A method for operating a sawline for logs, the sawline comprising a conveyor for conveying a log in the sawline, and a processing apparatus for processing the log, said method comprising the steps of:
- feeding the log into the sawline;
- conveying the log onwards in the longitudinal direction in the sawline;
- determining the overall length of the log;
- guiding the log into the processing apparatus with which the log is processed at the same time, when the log is conveyed onwards in the sawline;
- determining the length of the part of the log that is outside the processing apparatus with a camera apparatus in the conveying direction of the log before the processing apparatus and after the processing apparatus;
- determining the location of a front end and a rear end of the log in the processing apparatus on the basis of the overall length of the log and on the basis of the length of the part of the log that is outside the processing apparatus;
- and
- controlling the processing apparatus on the basis of the location of the front end and the rear end of the log.
A sawline for logs, comprising:
- a conveyor for conveying a log in the longitudinal direction in the sawline;
- a processing apparatus for processing the log at the same time, when the log is being conveyed onwards in the sawline;
- a measuring device which determines the overall length of the log;
- a camera apparatus which determines the length of the part of the log that is outside the processing apparatus in the conveying direction of the log before the processing apparatus and after the processing apparatus;
- and
- a control system which receives the measuring data of the overall length of the log and the measuring data of the camera apparatus, and determines the location of a front end and a rear end of the log in the processing apparatus on the basis of the measuring data of the overall length of the log and the measuring data of the camera apparatus;
- and
- wherein the control system controls the processing apparatus on the basis of the location of the end of the log.
Dependencies are inferred from the claim text.