Calculated Industries MACHINIST CALC PRO - Page 4

2 — Ma c h i n i s t ca l c ™ Pr o
RPM (SPINDLE SPEED) ................................................................................. 20
RPM – Milling ................................................................................................ 21
RPM – Turning ............................................................................................... 22
RPM – Drilling ................................................................................................ 22
FEED RATE ..................................................................................................... 23
Feed Rate – Based on Cutting Feed and RPM (for Turning) ........................ 23
Feed Rate – Based on Cutting Feed and RPM (for Drilling) ......................... 23
Feed Rate – Based on Feed per Tooth, RPM and # of Teeth ....................... 24
CUTTING SPEED ............................................................................................ 25
Cutting Speed – Milling ................................................................................. 25
Cutting Speed – Turning ................................................................................ 26
Cutting Speed – Drilling ................................................................................. 26
FEED PER TOOTH (CHIP LOAD) .................................................................. 27
Feed per Tooth – Based on Cutting Feed and # of Teeth ............................ 27
Feed per Tooth – Based on Feed Rate, RPM and # of Teeth ...................... 27
RADIAL CHIP THINNING ................................................................................ 28
Radial Chip Thinning –
Based on Feed per Tooth, Tool Diameter and Cut Depth ............................ 28
CUTTING FEED ............................................................................................... 29
Cutting Feed – Based on Feed per Tooth and # of Teeth ............................. 29
Cutting Feed – Based on Feed Rate and RPM ........................................... 30
DRILL SIZES .................................................................................................... 30
DRILL POINT ................................................................................................... 31
THREAD SIZING ............................................................................................. 32
Internal Thread .............................................................................................. 32
External Thread ............................................................................................. 33
Thread Classification ..................................................................................... 33
Changing a Thread Classification ................................................................. 33
Thread Size ................................................................................................... 34
(cont’d)
UG4089E-A-inside.indd 2 6/9/2011 3:16:16 PM