Malfunction
Turned threaded is wrong
Cause/
possible effects
•
Lathe tool is clamped incorrectly or
grinding has been started the wrong
way
•
Wrong pitch
•
Wrong diameter
OPTIMUM
M A S C H I N E N - G E R M A N Y
Solution
•
Set the lathe tool to the centre, grind
angle correctly
Use 60° lathe tool for metric threads,
55° lathe tool for inch thread
•
Adjust right pitch
•
Turn the workpiece to the correct
diameter