| Job Title |
Shear-grinder Operator |
| Job Description |
Sets Up And Operates Machines To Sharpen Ledger (straightedge)
And Fly (spiral) Blades Of Cloth-shearing Machines: Removes
Blades From Shearing Machine, Using Chain Hoist. Mounts And
Squares Ledger Blade In Jig Of Grinding Machine, Using
Straightedge And Level. Turns Handwheels To Set Blade At
Specified Angle And To Position Grinding Stone Against Blade.
Starts Machine That Automatically Moves Rotating Abrasive Stone
Along Edge Of Ledger Blade. Measures Blade Edge, Using
Micrometer, To Determine When Thickness Is Within Specified
Tolerances. Resets Machine To Grind Undercut On Ledger Blade.
Mounts Spiral Blade In Brackets Of Grinding Machine. Turns
Various Wheels To Set Both Ends Of Blade Equidistant From
Grinding Head. 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. Measures Diameter
Of Blade With Calipers At Intervals Along Surface Of Blade To
Detect Uneven Grinding. Replaces Damaged Spirals On Fly Blade,
Using Handtools. 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. Boils Blades In
Chemical Solution To Remove Oil And Abrasive Dust. Applies
Preservative Oil To Blades.
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