38 — M
achinist
c
alc™
P
ro
(cont’d)
4. Enter the Wire Size*:
. 1 g f
(Wire Size)
WIRe
sIZe
$
0.1
MM
5. Find the Minimum 3-Wire Measurement:
g R
(3-W Measure)
3WMIn
sIZe
1.3069
MM
6. Find the Maximum 3-Wire Measurement:
R
3WMaX
sIZe
1.3699
MM
7. Find the Minimum Pitch Diameter:
R
PTCH-
sIZe
1.3100
MM
8. Find the Maximum Pitch Diameter:
R
PTCH+
sIZe
1.3730
MM
R
WIRe
sIZe
$
0.1
MM
* If no Wire Size is entered, the calculated Ideal Wire Size will be used
to find the 3-Wire Measurement.
Pitch Diameter –
Known 3-Wire Measurement and Wire Size
You can also find the measured Pitch Diameter if you know
the 3-Wire Measurement and the Wire Size used to obtain
the measurement.
Find the Pitch Diameter for a M1.60 x 0.35, Class 6H (External)
screw with a 3-Wire Measurement of 10.10 mm obtained using
0.10 mm wire:
KeysTRoKe
DIsPlay
O O
0.
1. Enter the Thread Size:
1 . 6 m t
sIZe
1.6 –
MM
2. Enter the Pitch and store the final Thread Size:
. 3 5 t
THReD
sIZe
$
1.6 – 0.35
MM
KeysTRoKe
DIsPlay
UG4089E-A-inside.indd 38
6/9/2011 3:16:18 PM
