Abstract:
A tool for a ring-rotor log debarker, including an elongate, curved body for being attached by one end to a ring rotor of a log debarker. At least one attachment hole extends through the curved body of the tool on a free end opposite the one end attached to the ring rotor, and communicates with the first and second upstream and downstream oriented surfaces. A tip is placed onto the free end of the tool body, and includes an attachment hole sized and positioned for alignment with the at least one attachment hole in the tool body and for receiving a bolt through the aligned attachment holes for securing the tip to the tool body.
Abstract:
A log handling and cutting system which cuts logs into lengths, and allows for maximum use of fiber. The system includes equipment for singulating the logs, optimally removing the bark from the logs, scanning the true log image, cutting the logs to length, and sorting the cut logs arranged in a sequence of coupled operations. The logs are singulated using a dual quadrant singulation system to provide maximum singulation reliability, thereby allowing a single operator to attend to this process. Once singulated, the logs are fed automatically into a debarker where the diameter and volume are scanned and debarker-operating parameters are set for optimum bark removal. The log is then scanned, tree length, using a unique scanning system, which determines the true image of the log. This enables the determination by computer of the optimum bucking solution of the log as well as a proper sorting of the optimum random lengths. The saws are adjusted in response to the computer solution and the log is positioned by a positioner according to a computer generated reference datum. This results in the log being positioned for cutting to the optimum random lengths. A command signal is sent from the computer to the log sorting system, which tracks the position of the random lengths and allows them to be sorted to the appropriate sort storage bin.
Abstract:
A ring debarker has counterbalanced swing arms on which rotary cutters are mounted. The counterbalancing of the swing arms is such that the centrifugal and gravitational forces on the swing arms as they rotate around a log being debarked are substantially neutralized so that debarking pressure exerted on the cutters can be accurately controlled by controlling air pressure used to bias the swing arms.
Abstract:
In various embodiments, a feeding device may comprise a support having feed cylinders arranged in a free end of a respective supporting arm and driven in rotation, wherein the supporting arms in a supported end are journalled in the support on shafts extending in parallel with each other and are pivotable about the shafts between a home position and a pivoted work position, and wherein the supporting arms are mutually connected to each other via a system of articulated links and by means of the links are forced to pivot jointly about their respective shafts, and a movement damping element, which is separate from the support, is integrated in the system of links and independently from the support configured to brake the return movement of the supporting arms from the pivoted position.
Abstract:
The present invention relates to a phase shifting debarker. The shifting debarker generally comprises a phase shifting mechanism being powered by a main motor and being connected to an operative assembly by the mean of timing belts. The main motor is being configured to control, by the mean of a belt, the movement of the phase shifting mechanism which is being adapted to control the movement of the operative assembly by the mean of the timing belts. The operative assembly generally comprises an actuator ring and a main ring. The activation of the shifting mechanism creates a shift phase between the actuator ring and the main ring while rotating at the same speed.
Abstract:
The present invention is a debarking ring apparatus to prevent operational downtime of logs debarking by having two debarking rings placed on the same vertical plan, perpendicular to the flow of incoming and outgoing logs, and parallel to each other. Only one ring may be operational at a time. As such, maintenance may be done on one of the rings while the other is in operation. Debarking rings may have varying sizes and shapes independent from each other. Each debarking ring may further have its own frame, actuator and control and motorization modules. A sliding system, supported by a frame, may further direct the lateral displacement of both rings. Also presented is a method of processing logs through the debarking ring apparatus.
Abstract:
A cutting device includes a frame and a counter construction fitted in the frame. The cutting device also includes a force member rotatably supported to the frame and extending in the radial direction up to the counter construction, overlapping in the axial direction relative to the axis of rotation of the force member. In addition, the cutting device includes equipment for rotating the force member and thereby for cutting material in cooperation with the counter construction. The force member includes a profile for taking the material to be cut against the counter construction for cutting the material.
Abstract:
A butt flare reducing apparatus for logs is provided. The apparatus includes a machine frame, a stator ring assembly fixedly coupled to the machine frame, and a flare reducing tool adjustment assembly movably coupled to the stator ring assembly. The apparatus further includes an actuator coupled on one end to the machine frame and on the other end to the flare reducing tool adjustment assembly to move the flare reducing tool adjustment assembly between the opposing end positions, and a rotor assembly rotatably coupled to the stator ring assembly. The rotor assembly includes a rotor frame and at least one flare reducing tool movably coupled to the rotor frame to translate linearly toward and away from a longitudinal axis of rotation in direct correlation to movement of the actuator and flare reducing tool adjustment assembly to adjust a log processing diameter. Related methods are also provided.
Abstract:
The present invention relates to a barking machine which comprises a frame (1), barking rotor (2), which is rotably mounted on the frame (1) and which barking rotor comprises a rotor frame (3), barking blades (4) mounted on the rotor frame (3), and a first power unit (5) mounted on the rotor frame (3) that is connected to the barking blades (T) for transferring the barking force into them. According to the invention, in the barking rotor there is arranged an adjustment device (6) movable with respect to the rotor frame, and a second power unit (7) which is mounted on the frame (3) for transmitting the barking force via the first power unit (5) to the barking blades (4). This solution enables one to adjust the barking depth of the barking blades without stopping the barking rotor.