WIDIA - Полный каталог инструмента - 2017
для размещения заказа - zakaz@widiahanita.ru
TopThread™
Threading Selection Guide
Step 3 • Choose Insert for Application
• See threading insert overview on page F8.
• Select cresting inserts for fully controlled thread form including
diameter control. Cresting inserts eliminate the need for deburring.
• Non-cresting partial profile inserts can cut a variety of thread pitches.
• Note insert size for toolholder selection.
insert
size
2
3
4
catalogue
number
NT-2RK
NT-3RK
NT-4RK
TN6025
TN6010
Step 4 • Select Grade and Speed
Recommendations for Grade and Speed Selection — m/min
workpiece
material
insert style
steel
chip control
or neutral
stainless steel
chip control
or positive
optimum cutting
conditions
TN6010
160–750
TN6010
160–600
first choice
TN6025
130–650
TN6025
130–450
cast iron
neutral
non-ferrous metals
positive
high-temp alloys
positive
TN6010
230–700
TN6025
200–475
–
TN6025
160–1150
TN6010
65–400
TN6025
35–330
Examples:
Chip Control:
Neutral:
Positive:
NT-K or NT-CK (partial prole only)
NT, NT-C, NTF, NTC, NJ, NJF,
NDC-V, NA, NDC, NTB-A/B
NTP, NTK, NJP, NJK
TopThread Threading Example:
application:
material:
workpiece diameter:
8 TPI Acme internal
right-hand thread
alloy steel
114,3mm
good cutting conditions
feed towards the chuck
Recommendation:
insert: NA3L8
grade: TN6010
insert size: 3
boring bar: A40NER3
gage insert: N.3L
speed: 150 m/min
infeed passes*: 12 passes
* Infeed recommendations provided in technical data section on pages F88–F91.
zakaz@widiahanita.ru
www.widiahanita.ru
F7