Sandvik Coromant Threading - Manual (Page 13)

13
2. Applications
Multi-point inserts – productive, economic
threading in mass production
Multi-point inserts are similar to full profi le-, but have more than
one insert point (two pointed inserts give double productivity, three
pointed insert give triple etc.) Stable conditions are needed due to
increased cutting forces as the cutting edge has a longer contact
length.
Considerations should be made for thread turning and thread mill-
ing:
Milling
• Completes the thread in one revolution, when using solid carbide
thread mills.
Turning
• Requires fewer passes, giving better tool life, productivity and
lower tool costs.
• Requires longer passes beyond the workpiece thread to accomo-
date the extra points.
Productivity
Thread turning with multi-point inserts
requires longer passes beyond the
workpiece.