Calculated Industries Machinist Calc 4086, User Manual, Page: 4 / 74

U
ser
'
s
G
Uide
— 3
CUTTING SPEED ....................................................................................... 25
Cutting Speed – Milling ............................................................................. 26
Cutting Speed – Turning ........................................................................... 26
Cutting Speed –
Drilling
............................................................................ 27
Cutting Speed – Using Metric Mode ......................................................... 27
RPM (SPINDLE SPEED) ............................................................................. 28
RPM – Milling ............................................................................................ 28
RPM – Turning .......................................................................................... 29
RPM – Drilling ........................................................................................... 30
FEED PER TOOTH (CHIP LOAD) ............................................................... 30
Feed per Tooth – Based on Cutting Feed and # of Teeth ........................ 30
Feed per Tooth – Based on Feed Rate, RPM and # of Teeth .................. 31
CUTTING FEED .......................................................................................... 31
Cutting Feed – Based on Feed per Tooth and # of Teeth ........................ 32
Cutting Feed – Based on Feed Rate and RPM ........................................ 32
FEED RATE ................................................................................................. 33
Feed Rate – Based on Cutting Feed and RPM (for Turning) ................... 33
Feed Rate – Based on Cutting Feed and RPM (for Drilling) .................... 33
Feed Rate – Based on Feed per Tooth, RPM and # of Teeth .................. 34
DRILL SIZES ............................................................................................... 35
Numeric Drill Size Entry ............................................................................ 35
Letter Drill Size Entry ................................................................................ 36
Inch Drill Size Entry .................................................................................. 37
Millimeter Drill Size Entry .......................................................................... 38
Drill Point
(NOT AVAILABLE ON MODEL 4086)
........................................................ 38
THREAD SIZING ......................................................................................... 39
Basic Thread Sizing .................................................................................. 39
Numeric Thread Size –
Model 4086
......................................................... 40
Fractional Thread Size – Model 4086 ....................................................... 42
Metric Thread Size – Model 4086 ............................................................. 43
Thread Classification
(NOT AVAILABLE ON MODEL 4086)
..................................... 45
Changing Thread Classes ........................................................................ 45