| Job Title |
Hairspring Truer |
| Job Description |
Examines And Adjusts Hairspring Assemblies To Ensure
Horizontal And Circular Alignment Of Hairspring, Using Truing Ii
Calipers, Loupe, And Watchmaker's Tools: Mounts Hairspring And
Balance Wheel Assembly Between Jaws Of Truing Calipers. Turns
Wheel Of Caliper And Examines Spring To Determine If Center
Coils Appear As Perfect Circles, Using Loupe. Bends Inner Coil
Of Spring Away From Or Toward Collet To Locate Center Of Collet
In Center Of Spring And To Correct Errors Resulting From Faulty
Colleting Of Coil, Using Tweezers. Estimates Space Between
Collet And First Inner Coil To Determine If Space Is Within
Acceptable Limits, And Bends Coil To Correct Errors, Using
Tweezers. Examines Plane Of Hairspring To Determine If Coils Are
Parallel To Plane Of Collet And Raises Or Lowers Individual
Coils To Correct Discrepancies, Using Tweezers.
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