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Machinist Calc Pro 2 App
Model 4170/4171



[+] Overview

NEW Advanced Machining Math and Reference Calculator - Now with Materials for your Smartphone or Tablet

  • ALL of the functionality of your Machinist Calc Pro 2 calculator including built-in material and tool settings
  • No learning curve -- just one powerful, easy-to-use app
  • Full User's Guide built in as well as ability to press and hold a key for specific help

The Machinist Calc Pro 2 now includes materials and tool settings combined with depth of cut and width of cut to solve all your speed and feed calculations for face, end or slot milling plus turning, drilling and boring. It also gives you step-saving drill and thread chart look-ups, right triangle solutions, bolt-circle patterns and much more.

Ideal for machining pros and shop owners who want to increase productivity and profits in the design, layout and set-up stages of production and reduce wear and tear on costly cutting tools. All the functionality and solutions of the handheld Machinist Calc Pro 2 calculator, optimized for the smartphone or tablet user.

Spend more time machining and less time looking up specs and data in books, on charts or in computer programs.

For efficiency-minded Machinists, Setters, Tool and Die Makers, Supervisors, Shop Owners


[+] Details

Built-in Functions and Calculations:

  • New - Machining-specific keys to enter or calculate Surface Feet per Minute (SFM), Inches per Tooth (IPT), Inches per Minute (IPM), Inches per Revolution (IPR), # of Teeth, Depth of Cut (DOC), Width of Cut (WOC) and Length of Cut (LOC)
  • New - Materials - Choose from 20 popular Materials
  • New - Processes - Face Milling, End Milling, Slot Milling, Turning, Boring, Drilling
  • New - Tools - High Speed, Carbide and High Performance
  • Speeds and Feeds - calculate for milling, turning and drilling; cutting speed, spindle speed (RPM), feed rate (IPM), cutting feed, feed per tooth/chip load, number of Teeth and Radial Chip Thinning adjustment factor
  • Built-in Drill and Thread Size Tables save time and steps (Compliant with ANSI/ASME B1.1-2003 and ANSI/ASME B1.13M-2005)
  • Enter Numeric, Fractional, Metric Thread Sizes and Drill Sizes - and display tap, roll tap, close and free fit drill sizes plus pitch, major and minor diameters
  • Right Triangle Math - plus trigonometric functions
  • Drill Points - enter the cutting angle and drill size to calculate the drill point cut depth
  • Bolt Pattern Layouts - enter start angle, number of bolts, diameter and optional x, y offset; calculate x and y coordinates. Find center-to-center spacing for bolt pattern layouts
  • 3-Wire Measure - enter Wire Size (or use calculated Best Wire size) and 3-Wire Measurement to calculate pitch diameter
Thread Classification Tables
  • U.S.
    • Internal (3) 1B, 2B, 3B
    • External (3) 1A, 2A, 3A
  • Metric
    • Internal (14) 3G-9G and 3H-9H
    • External (28) 3g-9g, 3h-9h, 3e-9e, 3f-9f
U.S. and Metric Unit Entries and Conversions
  • Decimal Inches/mils
  • Feet-Inch-Fractions
  • m, mm, cm
  • Area, Volume and Weight
  • Works as a Standard Calculator

[+] Reviews
Overall Rating Full StarFull StarFull StarFull StarFull Star
5 out of 5 
User Reviews
AWESOME 5 out of 5.0
User: , Owner/President of Reliable Consulting & Mfg., LLC from Show Low, Arizona
User Rating: ★ ★ ★ ★ ★
I have the machinist calc pro calculator, desktop,and app on two devices and it is awesome. I use it in my shop almost daily and love it...GREAT JOB GUYS AND GALS.....THANKS....


[+] Support Materials