Calculated Industries 4088 User manual
2— Machinist calc®Pro 2
MACHINIST CALC®PRO 2
The Machinist Calc®Pro 2 Advanced Machining Math +
Materials calculator (Model 4088) provides hundreds of fast,
processes and 3 tools will let you spend much less time looking
Internet and more time machining.
The Machinist Calc Pro 2 gives you hundreds of calculations,
including:
TABLE OF CONTENTS
GETTING STARTED.................................................................4
..................................................................4
.............................................................5
..................................................5
.......................................7
................................................7
...............................................8
.......................................................8
.........................................................13
User's Guide — 3
USING THE MACHINIST CALC PRO 2 .................................15
...........................................................15
.............................15
Materials .............................................................................15
...........................................................................
Tools ...................................................................................17
.......................................................17
Basic.......................................................................17
Face Milling ............................................................18
End Milling ..............................................................19
IPM.................................................................
Based on Cutting Feed and RPM
(for Turning) ........................................................................
Based on Cutting Feed and RPM
(for Drilling) .........................................................................
Based on Feed per Tooth, RPM and
# of Teeth............................................................................
End Milling .....................................................
SFM.......................................................
Turning.....................................................
End Milling ...............................................
Drilling......................................................
..................................
Based on Cutting Feed and # of Teeth...
Based on Feed Rate, RPM and
# of Teeth............................................................................
Face Milling ............................................
IPR ..........................................................31
Based on Feed per Tooth and # of Teeth...31
Based on Feed Rate and RPM ..................
Turning .......................................................33
.........................................................................34
......................................................34
..........................................................35
............................................................
....................................................37
.........................................................................37
...................................................................38
4— Machinist calc®Pro 2
..............................................................39
............................................................40
..................................................40
..................................................41
...............................41
............................41
..........................................................43
........................................................45
..............................................................47
................................................49
.....................50
............................................................................50
Known Thread Size and
Wire Size ............................................................................51
Known 3-Wire Measurement
and Wire Size .....................................................................
.....................................................................54
.........................................................................54
...........................................
Based on Adjacent and Opposite Legs ....
Based on Hypotenuse and Angle .............57
.....................................................58
Based on Diameter ..................58
..............58
...............................58
..........................................59
.....................................................59
APPENDIX ..............................................................................
GETTING STARTED
KEY DEFINITIONS
You may want to practice getting a feel for your calculator
User's Guide — 5
Basic Function Keys
O On/Clear Key —
clears all non-permanent values.
gO Off —
permanent values.
+-*
,= Arithmetic operation keys
0-9
and .
gConvert —
special functions.
gr Store —
gr
1-9
Storage Registers M1 through M9 —
store values in memory registers 1 through 9.
rRecall —
values and settings.
rr Memory Clear —
and displays total.
MAccumulative Memory — Adds displayed value to
Accumulative Memory.
gM M- —
Accumulative Memory.
Dimensional Function Keys
m Millimeters (mm) —
millimeters, with repeated presses toggling
Also converts dimensional value to units of
millimeters, with repeated presses toggling
6— Machinist calc®Pro 2
g5 Centimeters (cm) —
centimeters, with repeated presses toggling
g9 Meters (m) —
and volume units.
g7 Feet —
presses of g7
area and volume units. Also used with iand
/
presses of g7 during conversions toggle
iInch —
/
for entering fractional Inch values (e.g.,
9i1/2
decimal Inches.
/Fraction Bar —
fractional accuracy setting is automatically
dimensional fractional format.
B1/1000" (mils) — Multiplies a dimensionless
and displayed to three decimal places.
User's Guide — 7
Weight and Volume Function Keys
g6 Tons — Enters or converts a weight or volume
value to tons.
g4 Pounds (lbs) — Enters or converts a weight or
volume value to pounds.
g3 Metric tons (met tons) — Enters or converts a
weight or volume value to metric tons.
g2 Grams — Enters or converts a weight or
volume value to grams.
g1 Kilograms (kg) — Enters or converts a weight
or volume value to kilograms.
g0 Weight per Volume (wt/vol) —
Trigonometric Function Keys
ga Sine —
degree or unitless value.
gm ArcSine —
go Cosine —
degree or unitless value.
gi ArcCosine (ArcCos) —
gh Tangent (Tan) —
entered degree or unitless value.
8— Machinist calc®Pro 2
g/ ArcTangent (ArcTan) —
for the entered or calculated Tangent value.
Miscellaneous Functions
g. Degrees:Minutes:Seconds (dms◄►deg) —
the two formats.
%Percentage —
g% x2—
ABackspace Function —
one keystroke at a time (unlike the O
function, which deletes the entire entry).
gA Square Root (!) —
g, Reciprocal (1/x) —
8g,= 0.125).
g* Clear All —
g- Change Sign (+/-) — Toggle displayed value
g+ Pi — π
g= Preference Settings (Prefs) — Accesses
dimensional answer formats
(see Preference Settings section).
Machinist Function Keys
Note:Unitless entries are assumed to be inches in U.S. mode,
millimeters in Metric mode.
User's Guide — 9
dDiameter —
gd Bolt Pattern —
xand ycoordinates for each
xand ycoordinates.
NMaterial —
gN Depth of Cut (DOC) —
PProcess —
gP Width of Cut (WOC) —
LTool —
particular Tool Type.
10 — Machinist calc®Pro 2
gL Length of Cut (LOC) —
SSurface Feet per Minute — Enters or calculates
gS Wire Size —
RRevolutions per Minute — Enters or
gR 3-Wire Measurement (3W Measure) — Enters or
on this entered measurement.
TInches per Tooth — Enters or calculates
User's Guide — 11
gT Inches per Revolution (IPR) — Enters or
IInches per Minute —
Time.
gI Number of Teeth (#Teeth) —
DDrill Size — Enters a numeric, letter, fractional or
presses of Dor +
-
gD Drill Point —
depth.
gn % of Thread — Enters a non-standard Thread
tThread Size — Enters a numeric, fractional
Thread
Sizing section for further details on entry format,
valid entries and a listing of the resulting Thread
characteristics.
12 — Machinist calc®Pro 2
gt Thread Classication (Thread Class) —
Thread Sizing section for
g8 Alpha —
and used with D
5g8 displays the letter
E8or +
of -
aAdjacent (x) —
oOpposite (y) — Enters or calculates the
hHypotenuse (r) — Enters or calculates the
right-triangle values.
User's Guide — 13
nAngle (θ) — Enters or calculates an Angle,
counterclockwise.
mEmOrY OpEraTION
M
FUNCTION KEYSTROKE
Add to Memory M
gM
rM
rr
Memory is semi-permanent, clearing only when you do one of
the following:
— turn off the calculator
— press rr
— press g* (Clear All).
rM), consecutive presses of
M
accumulated values.
Using M+
355M M+
&355.
(cont'd)
14 — Machinist calc®Pro 2
255M M+
&255.
745gM (M-) M-
&745.
rM
TOTAL VALUE
M+
&- 135.
M
AVERAGE VALUE
M+
&- 45.
M
TOTAL ENTRIES
M+
&3.
rr M+
- 135.
Using Memory Storage Keys (M1- M9)
In addition to the standard cumulative Memory (as previously
shows the use of M1 (gr1
the presses of the 1key with presses of the corresponding
2-9).
storing a new value in place of the stored value.
FUNCTION KEYSTROKE
gr1
0gr1
r1
Store 175 into M1, recall the value, and then clear the value:
(cont'd)
User's Guide — 15
175gr1 MEMORY
M-Ø1 175.
gOO 0.
r1 MEMORY
M-Ø1 175.
0gr1 MEMORY
M-Ø1 0.
USING THE MACHINIST CALC PRO 2
U.S. aND mETrIC mODE SETTINGS
The Machinist Calc Pro 2 allows you to set the calculator to
maTErIalS, prOCESSES aND TOOlS
Materials
The Machinist Calc Pro 2
pressing the N+key or -
page), then press the N key to select the Material, which
All (g*).
1.
(cont'd)
16 — Machinist calc®Pro 2
Note: There is a Workpiece Materials Conversion Table in Appendix A.
Processes
The Machinist Calc Pro 2
pressing the P+key or -key to
then press the P
g*).
(cont'd)
User's Guide — 17
(Default) 4. Turning
5. Boring
Tools
The Machinist Calc Pro 2Tool Types that can
pressing the L+key or -key to
then press the Lkey to select the Tool Types, which will
(g*).
(Default)
rpm (SpINDlE SpEED)
rotation of the attached cutting tool. In a turning machine, it is
RPM - Basic
OO 0.
1. Enter the bit Diameter:
(cont'd)
18 — Machinist calc®Pro 2
.375d DIAMETER
0.375 INCH
2. Enter the Cut Speed:
300S CUT SPEED
/MIN 300. FEET
3. Calculate the Spindle Speed (RPM):
RRPM
3056.
RPM – Face Milling
1. Clear the calculator:
OO 0.
2. Set Process to Face Milling:
1P FACE MILLING
1.
3. Set Tooling to High Performance:
3L HIGH PERFORMANCE
TOOL 3.
4. Set Material to 1060 Hi-Carbon Steel:
3N 1060-HI C. STEEL
MATL 3.
5. Enter Depth of Cut:
.25gN (DOC) DEPTH OF CUT
0.25 INCH
6. Enter Tool Diameter:
(cont'd)
User's Guide — 19
.5d DIAMETER
0.5 INCH
7. Calculate RPM:
R RPM
4584.
8. Show tabular Cut Speed:
R CUT SPEED
/MIN 600. FEET
9. Now, change the Depth of Cut to 0.1" and nd new RPM
and tabular Cut Speed:
.1gN (DOC) DEPTH OF CUT
0.1 INCH
R RPM
6875.
R CUT SPEED
/MIN 900. FEET
RPM – End Milling
1. Clear the calculator:
OO 0.
2. Set Process to End Milling:
2P END MILLING
2.
3. Set Tooling to Carbide:
2L CARBIDE TOOL
2.
20 — Machinist calc®Pro 2
4. Set Material to 316 Stainless Steel (selection #8):
8N 316-AUS. S. STEEL
MATL 8.
5. Enter Width of Cut:
.5gP (WOC) WIDTH OF CUT
0.5 INCH
6. Enter Tool Diameter:
1d DIAMETER
1. INCH
7. Calculate RPM:
R RPM
802.
8. Show tabular Cut Speed:
R CUT SPEED
/MIN 210. FEET
9. Now, change Width of Cut to 0.25" and nd new RPM and
tabular Cut Speed:
.25gP (WOC) WIDTH OF CUT
0.25 INCH
R RPM
859.
R CUT SPEED
/MIN 225. FEET
FEED raTE - Ipm
relative to the workpiece as the tool makes a cut. You can
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