| Job Title |
Tool Programmer, Numerical Control |
| Job Description |
Operates Optical Programming (digitizing) Equipment To
Generate Numerical Control (nc) Tape Program Used To Control Nc
Machine Tools That Drill, Mill, Rout, Or Notch Printed Circuit
Boards (pcb's): Analyzes Drawings, Specifications, And Phototool
(photographic Film Copy Of Printed Circuit Pattern) To Determine
Program Input Data, Such As Hole Sizes, Tool Sizes, Reference
Points, And Direction Of Machine Cutting Paths, And Calculates
Data, Such As Starting Point Coordinates (location), Size Of
Panels Or Boards, And Number Of Boards Per Panel. Draws Machine
Tool Paths On Phototool, Using Colored Markers And Following
Guidelines For Tool Speed And Efficiency, To Prepare Phototool
For Use As Tool Programming Aid. Aligns And Secures Phototool On
Reference Table Of Optical Programmer. Observes Enlarger Scope
Of Programmer That Projects Image Of Circuit Board Pattern From
Phototool. Moves Reference Table, Following Previously Marked
Paths, To Align Phototool Circuit Pattern Holes With Reference
Marks On Enlarger Scope. Depresses Pedal Or Pushes Button Of
Programmer To Enter Coordinates Of Hole Locations Into Program
Memory. Repeats Process For Each Hole Location On Phototool To
Enter Nc Machine Instructions, Such As Hole Locations, Machine
Paths, And Reference Points. Keys In Additional Instructions,
Such As Tool Size, Machine Feed And Speed Rates, And Starting
Point Coordinates, Basing Entries On Specifications,
Calculations, And Knowledge Of Machine Capabilities And
Programming Techniques. Types Commands On Keyboard To Generate
Nc Tape. Observes Trial Run Of Nc Machine To Verify Tape Program
Accuracy. Revises Nc Tape Program To Eliminate Instruction
Errors. May Operate Nc Machine Tools On Production Basis.
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