Shear Sharpening Machine

sharpening
Make or become sharp
(sharpen) make crisp or more crisp and precise; "We had to sharpen our arguments"
(sharpen) focus: put (an image) into focus; "Please focus the image; we cannot enjoy the movie"
(sharpen) raise the pitch of (musical notes)
Improve or cause to improve

machine
any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
(esp. in manufacturing) Make or operate on with a machine
turn, shape, mold, or otherwise finish by machinery
an efficient person; "the boxer was a magnificent fighting machine"

shear
(physics) a deformation of an object in which parallel planes remain parallel but are shifted in a direction parallel to themselves; "the shear changed the quadrilateral into a parallelogram"
fleece: shear the wool from; "shear sheep"
A strain in the structure of a substance produced by pressure, when its layers are laterally shifted in relation to each other
cut with shears; "shear hedges"