iMachinist is a simple to use CNC calculator app that calculates for you the cuttings speed, RPM, feed rate and more for your milling, drilling and turning operations.
iMachinist also includes a database for Hole and Shaft Tolerances and different Threads.
Threads Data:
- Outer Diameter (max/min)
- Pitch Diameter (max/min)
- Core Diameter (max/min)
- Thread Height (max/min)
Tolerance Data:
- Zone (Shaft/Hole)
- Grade (Shaft/Hole)
- Diameter (Shaft/Hole)
Cutting Calculator:
- Tool Diameter
- Cutting Speed
- Spindle Speed
- Number of Teeth
- Feed per Tooth
- Feed Rate
iMachinist also includes a database for Hole and Shaft Tolerances and different Threads.
Threads Data:
- Outer Diameter (max/min)
- Pitch Diameter (max/min)
- Core Diameter (max/min)
- Thread Height (max/min)
Tolerance Data:
- Zone (Shaft/Hole)
- Grade (Shaft/Hole)
- Diameter (Shaft/Hole)
Cutting Calculator:
- Tool Diameter
- Cutting Speed
- Spindle Speed
- Number of Teeth
- Feed per Tooth
- Feed Rate
link: https://itunes.apple.com/us/app/i-machinist/id1456473668?ls=1&mt=8