LMT FETTE T18F - Calculation Sheet

Operating Manual
Tangential Rolling System T18F - T27F
53
www.lmt-fette.com
15 Calculation sheet
Application Workpiece no.
Customer Customer no.
Machine Installation position
Rolling head type Rolling head holder no.
Roll type Roll width A
Thread Material
Thread Tolerance zone Pitch P
Maximum size Minimum size Average value
Major diameter d
Pitch diameter d
2
Minor diameter d3
see
Number of starts on
the roll
Z =
Setting gauge/
Internet
Working stroke A
V
=
Setting gauge/
Internet
F-gauge F = Setting gauge
Blank diameter d
A
= d
2
– 0.03 mm = Chapter 5.2.1
Internal diameter d
i
≤ d
3
– 0.1 mm = Chapter 5.2.1
Chamfer angle
γ =
Chapter 5.2.1
Rolling speed v =
Selection accord-
ing to Chapter 6.1
RPM
n =
1000 · v
________
d
A
· π
=
Chapter 6.1
Number of workpiece
rotations
n
W
=
Selection accord-
ing to Chapter 6.2
Working feed
(per rotation)
s =
A
v
___
n
w
= Chapter 6.2
Feed rate f =
A
V
· n
_____
n
w
= Chapter 6.2
Safety distance A
s
= 1.5 · A
v
= Chapter 6.3
X-coordinate D
s
= 2 ·
(
d
A
___
2
+ A
s
)
= Chapter 6.3
Dwell-time rotations n
D
= 2 … 5
Selection accord-
ing to Chapter 6.3
Dwell time t
d
=
60 · n
d
______
n
=
LMT_Bedienungsanleitung_T18F_T27F_e.indd 53 02.08.11 17:40