Job Description:

• 1) Sets up and operates machines to sharpen ledger and fly blades of cloth-shearing machines: Removes blades from shearing machine, using chain hoist.

• 2) Mounts and squares ledger blade in jig of grinding machine, using straightedge and level.

• 3) Turns handwheels to set blade at specified angle and to position grinding stone against blade.

• 4) Starts machine that automatically moves rotating abrasive stone along edge of ledger blade.

• 5) Measures blade edge, using micrometer, to determine when thickness is within specified tolerances.

• 6) Resets machine to grind undercut on ledger blade.

• 7) Mounts spiral blade in brackets of grinding machine.

• 8) Turns various wheels to set both ends of blade equidistant from grinding head.

• 9) Starts machine that rotates abrasive stone and fly blade in opposite directions and moves stone along edge of blade, grinding blade until flaws are removed.

• 10) Measures diameter of blade with calipers at intervals along surface of blade to detect uneven grinding.

• 11) Replaces damaged spirals on fly blade, using handtools.

• 12) Mounts fly blade and ledger blade on lapping rig and starts machine that grinds blades against each other, using emery powder and oil, to finish edges.

• 13) Boils blades in chemical solution to remove oil and abrasive dust.

• 14) Applies preservative oil to blades.