| Job Title |
Lapping-machine Set-up Operator |
| Job Description |
Sets Up And Operates Lapping Machines To Lap Surfaces Of Flat,
Cylindrical, Or Spherical Objects Or Of Adjacent Mechanical
Parts To Specified Finish Or Dimensions, Following
Specifications, Tooling Instructions, And Standard Charts,
Applying Knowledge Of Lapping Procedures: Reads Blueprint Or Job
Order For Product Specifications, Such As Dimensions,
Tolerances, And Number Of Parts To Be Lapped, Tooling
Instructions, Such As Lapping Speeds And Pressures, Work-holding
Fixtures, And Laps To Be Used. Mounts Laps On Spindles With
Wrenches. Positions And Secures Workpieces In Fixture Or On
Machine Table. Moves Controls To Set Lapping Speeds, Tool
Pressure, And Length Of Cycle And To Guide Action Of Laps
Against Workpieces Or Workpieces Against Each Other. Starts
Machine And Brushes Or Sprays Lapping Compound On Laps And
Workpieces. Inspects Lapped Workpiece For Conformance To
Specifications, Using Instruments, Such As Comparator, Flatness
Gauges, And Surface Plates. May Be Assisted By Machine Setter
(machine Shop) 600.360-014 In Setting Up Machine. May Operate
Machine Equipped With Abrasive Wheels Instead Of Metal Laps. May
Be Required To Have Experience With Custom Or Production Work,
With Particular Material Or Product, Or With Machine Of
Particular Type Or Trade Name And Be Designated Accordingly.
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