| Job Title |
Plate Grainer |
| Job Description |
Operates Plate Graining Machine To Roughen (grain) Faces Of
Flexible Sheets Of Zinc Or Aluminum Metal For Use In
Offset-photolithographic Printing: Operates Power Shear To Cut
Sheets Of Aluminum And Zinc To Size, And Clamps Them To Bed Of
Graining Machine Tub (tray). Operates Hydraulic Lifting And
Tilting Mechanism Attached To Machine To Load And Unload Machine
With Specified Amount Of Steel Or Wooden Balls, Water, And
Abrasive. Washes Sediment From Plates With Water Hose At End Of
Graining Cycle And Places On Conveyor For Further Washing Under
Water Jets And Drying Under Heating Unit. Examines Each Plate
With Magnifier At Inspection Table For Uniformity, Size, And
Structure Of Grain. Stacks Plates In Shipping Crate. Rolls Out
And Hammers Used Plates To Remove Gripper Marks, Dents, And Bent
Corners. Lubricates Machine And Replaces Worn Bearings. May
Grain Plates By Wet Or Dry Sandblasting. May Feed Plates Through
Graining Machine Having Reel-type Nylon Brush Which Roughens
Surface With Abrasive And Water. May Grain Plates With Glass
Marbles.
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