56 — M
achinist
c
alc™
/ M
achinist
c
alc™
P
ro
b
X-03 - 1.9486
INCH
b
Y-03 1.1250
INCH
b
X-04 - 1.9486
INCH
b
Y-04 - 1.1250
INCH
b
X-05 0.0000
INCH
b
Y-05 - 2.2500
INCH
b
X-06 1.9486
INCH
b
Y-06 - 1.1250
INCH
b
DIA
4.5
INCH
b
ANGLe
30°
bolt Pattern –
Model 4087
Calculate the Bolt Pattern for a layout with a 3.5 Inch Diameter, a
20° Start Angle and 3 Bolts. The Center x-coordinate is 10 inches
and the center y-coordinate is 15 inches.
Note:
When determining angles, 0° is at the 3 o’clock position and the
rotation goes counterclockwise.
KeYSTROKe
DISPLAY
O O
0.
1. Enter the Center x-coordinate:
1 0 i a
ADJ
10
INCH
2. Enter the Center y-coordinate:
1 5 i p
OPP
15
INCH
3. Enter the Start Angle:
2 0 n
ANGLe
20.°
4. Enter Bolt Circle Diameter:
3 . 5 i d
DIA
3.5
INCH
5. Enter the Number of Bolts:
3 b
bOLTS
3.
(cont'd)
KeYSTROKe
DISPLAY
