| Job Title |
Boring-mill Set-up Operator, Horizontal |
| Job Description |
Sets Up And Operates Horizontal Boring, Drilling, And Milling
Machine To Perform Machining Operations, Such As Milling,
Drilling, Boring, And Reaming Metal Workpieces, Such As Machine,
Tool, Or Die Parts, Analyzing Specifications And Deciding On
Tooling According To Knowledge Of Shop Mathematics, Metal
Properties, And Machining Procedures: Studies Machining
Instructions, Such As Job Order, Blueprint, Process Sheet, Or
Layout On Workpiece To Determine Machining Required, Sequence Of
Operation, Tooling, Feed, And Speed Rate, Applying Knowledge Of
Materials And Machining. Lifts Workpiece Either Manually Or With
Crane Or Hoist Onto Machine Table Or Directs Monorail Crane
Operator (any Industry) To Put Workpiece On Machine Table.
Positions And Secures Workpiece To Table Or Angle Plate, Using
Clamps, Shims, And Parallel Blocks And Verifies Position With
Such Instruments As Dial Indicators, Gauge Blocks, And Height
Gauges. Selects And Mounts Tool In Spindle. Moves Controls To
Set Feeds, Speeds, And Depth Of Cut, And To Position Tool And
Workpiece In Relation To Each Other, Verifying Position
Visually, With Instruments, Such As Thickness Gauges, And By
Reading Dials. Starts Machine And Observes Operation, Making One
Or More Trial Passes With Manual Control Before Engaging Feed.
Verifies Dimensions Of Machined Workpiece With Such Measuring
Instruments As Micrometers, Telescoping Gauges, Vernier
Calipers, And Dial Indicators. Works To Tolerance Of Plus Or
Minus 0.001 Inch. May Use Precision Positioning Devices, Such As
Dial Indicators Mounted On Machine Troughs With Standard Length
Rods And Work To Tolerance As Close As Plus Or Minus 0.0001
Inch. May Operate Tracing Attachment To Duplicate Contours From
Templates Or Models. May Operate Machine With Automatic
Positioning Controls. May Lay Out Reference Lines And Machining
Locations On Workpiece, According To Blueprints, Using Layout
Tools, Such As Rule, Divider, And Scriber, Applying Knowledge Of
Shop Mathematics And Layout Techniques. May Operate Bench
Grinder To Sharpen Tools. May Set Up And Operate Vertical Boring
Mill And Be Designated Boring-mill Set-up Operator, Vertical
(machine Shop). Important Variations May Be Indicated By Trade
Names Of Machine Used.
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