474 votes - Productivity - First release: 2015-09-25T12:37:13Z

---

Screenshots

---

Description - 4+

CNC Machinist Calculator Pro is a machining calculator designed for manufacturing engineers, machinists, CNC operators, tool & die makers, and at home hobbyists. CNC Machinist Calculator Pro is great for CNC programmers or machine operators who need to make quick calculations on the fly. It's also a great tool for quoting new work. Visit www.cncdirt.com for more info


 This CNC machining calculator app includes the following features:

  1.   Turning Calculators for lathe operators
         *Cutting Speed Calculation by Material
         *Grooving/Cut off cycle time Calculation
         *Rough turn cycle time Calculation
         *Cutting Speed Calculations
         *Cutting speed to RPM conversions
         *Feed per rev - Feed per minute conversions
 2.   Milling Calculators for mill operators
         *Cutting Speed & Feed Calculation by Material
         *RPM to Cutting Speed Conversions
         *Feed per Minute - Feed per tooth Conversions
         *Radial Chip Thinning Calculation
         *Metal Removal rate Calculation
         *Milling cut time Calculation
         *Circle Milling Calculations - Both inner & outer
         *Ball Mill Cusp Height Calculation
         *Ball Mill Effective diameter/Chip Thinning Calculator
         *Thread Milling Calculations - Both inner & outer
 3.   Drilling Calculators
         *Cutting Speed Calculation by material
         *Cycle time calculation
         *Drill point Length calculation
 4.   Gun drilling Calculators
         *Cutting Speed Calculation by material
         *Cycle time calculation
 5.   Thread Calculators
 6.   True Position Calculators
 7.   Bolt Pattern Calculators
 8.   Surface Finish Calculators
 9.   Drill & Tap charts
10. Thread data for the following threads:
      * 60° Threads (Pitch Ø, Minor Ø, Major Ø, Helix, Lead, etc.)
      * NPT Threads
      * Acme Threads
      * STI Threads
11.  Thread over 3 wire info (Size limits, min, max, & best wire)
12.  Center drill dimensions
13.  Unit converter
14.  Hardness conversions
15.  G-codes
16.  M-codes
17.  Blue Print Geometric Tolerance Descriptors - GD&T
18.  SFM calculator for drilling, milling, & turning over 170 materials
19.  Tap Drill Calculator for roll form & cut taps
20.  Various Geometric calculators
21.  Triangle Solver
22.  CNC keyway calculator 
23.  Custom macro variables, logic, arguments, & arithmetic data
24.  Machinist Forum
25.  Export G-code for internal & external chamfers, tapers, & radii with tool nose comp.
26.  Circle segment calculator ( arc calculator )
27.  National Pipe Thread data - NPT threads
28.  Material Property Search with machinability info
29.  Material Weight Calculator for over 170 materials & 10 shapes
30. Tool Wear section with images helpful info to improve tool life
31. Machinist Test with 6 categories to test your strengths & weaknesses
32. Socket Head Cap Screw hole dimensions
33. Scientific Calculator which includes:
       *  sine (sin)
       *  cosine (cos)
       *  tangent (tan)
       *  arcsine (sin-1)
       *  arccosine (cos-1)
       *  arctangent (tan-1)
       *  square (x²)
       *  cube (x³)
       *  pi (π)
       *  square root (√)
       *  base 10 logarithm (log)
       *  exponential function (ex)
       *  natural logarithm (In). 
34.  Linear Thermal Expansion Calculator
35.  Grinding Calculations
        * Plunge Grind - Q Prime, grit penetration & aggressiveness
        * Surface Grind - Q Prime, grit penetration & aggressiveness
        * Grinding Wheel Velocity
        * Work piece Velocity
        * Work piece RPM to wheel RPM ratio cylindricity error calculator
        * Wheel Mesh (Grit) size conversion
        * Equivalent wheel diameter
36.  More to come...

We're quickly becoming the best engineering calculator on the market
Check us out at www.cncdirt.com