Cutter assembly with cutter device and method of assembling
AssigneeSandvik Intellectual Property AB
InventorsBernhard Ebner, Christoph Haberer
Life of this patent
Estimating the term…
Abstract
A cutter assembly for an undercutting machine for cutting a rock workface and a method of assembling a cutter assembly is provided. The cutter assembly includes a shaft mountable on the machine with one end extending from the machine, and a cutter device arranged in connection to the extended end of the shaft. The cutter device is connected releasably and rotationally rigid to the shaft with a locking arrangement. The locking arrangement includes a first locking device arranged to transfer substantially axial loads, and a second locking device arranged to transfer substantially radial loads.
Claims15
A cutter assembly for an undercutting machine for cutting a rock workface, the cutter assembly comprising:
- a shaft mountable on the machine with one end extending from the machine;
- and
- a cutter device arranged in connection to the extended end of the shaft, wherein the cutter device is connected releasably and rotationally rigid to the shaft with a locking arrangement, wherein the locking arrangement includes a first locking device arranged to transfer substantially axial loads, and a second locking device arranged to transfer substantially radial loads.
A method of assembling a cutter assembly for an undercutting machine for cutting a rock workface, the method comprising:
- providing a cutter assembly, the cutter assembly including a shaft mountable on the machine with one end extending from the machine and a cutter device arranged in connection to the extended end of the shaft;
- and
- connecting the cutter device releasably and rotationally rigid to the shaft with a locking arrangement, the locking arrangement including a first locking device arranged to transfer substantially axial loads, and a second locking device arranged to transfer substantially radial loads, by:
- applying an initial tension to the second locking device;
- applying an initial tension to the first locking device;
- applying a target tension to the second locking device;
- and
- applying a target tension to the first locking device.
Dependencies are inferred from the claim text.