| Job Title |
Milling-machine Set-up Operator, Numerical Control |
| Job Description |
Sets Up And Operates Multiaxis Numerical-control Milling
Machine To Mill Surfaces Of Metallic And Nonmetallic Workpieces
According To Specifications And Tooling Instructions, Applying
Knowledge Of Machining Methods: Threads Perforated Or Magnetic
Tape Through Read-head In Control Console, Or Enters Commands
Into Control Panel, To Retrieve Preprogrammed Machine Data From
Mainframe Computer. Inserts Precision Indicator In Machine
Spindle, And Depresses Switches To Jog Spindle Into Contact With
Workpiece, Synchronize Tape And Tool, And Record Setup Point.
Retracts Spindle And Loads And Secures First Preset Tool And
Holder. Starts Machine And Observes Cutting Operation. Compares
Numerical Data Display With Specifications On Operations Sheet.
Assembles And Presets Tooling For Next Operation During
Automated Cycle To Reduce Machine Downtime. Replaces Milling
Tools With Drilling And Boring Tools At Specified Change Points
To Reduce Or Eliminate Subsequent Machining Of Workpiece On
Another Machine. May Operate Machine On Preliminary Dry Run
Before Machining First Part To Detect Errors In Tape Or Computer
Program. May Be Designated According To Make, Trademark, Or
Configuration Of Machine, Characteristics Of Control System, Or
Type Of Product As Contour-path Tape-mill Operator (machine
Shop); Planer-type Milling-machine Operator, Numerical Control
(machine Shop); Profile-mill Operator, Tape Control (machine
Shop); Tape Control Skin-or-spar-mill Operator (machine Shop);
Tape Keller Operator (machine Shop).
|
