Abstract:
The invention relates to a debarking means for rotation ring type barking machines, and of the type comprising a plurality of swinging arms (1) yieldably engaging the circumference of an unbarked log and each formed at its free end with a seat (4) for a debarking means (2) detachably mounted by means of a bolt connection (3). The debarking means has a leading edge (7) serving as a cutting edge and a trailing support edge or surface (8) adapted to engage a shoulder (5) on the seat (4) to prevent turning of said debarking means relative to the arm. The support edge (8) extends obliquely in relation to the cutting edge (7), more particularly along the entire width of the debarking means and between two side edges of said means which are of different length.
Abstract:
The scraping edge of a debarking tool carried by an arm of a rotary ring barker is located lengthwise so that at least the major portion of the length of such scraping edge is located ahead of the longitudinally central portion of the leading face of the barker arm, and the leading edge of the debarking tool remote from the rotary ring is beveled by being inclined from the leading face of the debarking tool forward away from the barker ring.
Abstract:
Arrangement for a rotor barking machine comprising a hollow rotor rotatably mounted in a frame and provided with barking arms directed towards the center of the rotor and means for feeding a tree to be barked longitudinally through the hollow rotor. A non-rotating tubular portion is provided in the opening of the hollow motor to extend from the inside of said opening close to the plane of rotation of the barking members. The annular edge of the tubular member adjacent said barking members is provided with cutting teeth. The cutting teeth tear and cut in co-operation with said barking members bark strips sticking to said barking members.
Abstract:
A cutter head for a hole-rotor type barking machine. The cutter head comprises a plane ring disc provided with a number of mutually spaced cutter blades projecting from the disc. Each cutter blade is provided with a guiding element forming a support surface. The support surfaces of the guiding elements form a conical surface coaxial with the ring disc. Each guiding element is supported by the ring disc along the entire length of the element and is preferably cut from a ring shaped blank of solid material.