User`s guide

Us e r 's GU i d e — 1
MACHINIST CALC
™
AND
MACHINIST CALC
™
PRO
The Machinist Calc™ Machining Math and Reference Tool (Model
4086) and the Machinist Calc™ Pro Advanced Machining Math and
Reference Tool (Model 4087) both provide fast, precise solutions
for your every day machining calculations. With the Machinist Calc/
Machinist Calc Pro you will spend less time looking up your most-
needed calculations on charts, in books or on the Internet and
more time machining.
This User’s Guide has definitions, examples and instructions
for both calculators. Information specific to a particular model
is indicated in the Table of Contents and throughout the User’s
Guide.
Both calculators will provide you with hundreds of machining-
specific calculations, including:
• Cutting Speed, Spindle Speed (RPM)
• Feed Rate, Cutting Feed, Feed per Tooth (Chip Load)
• Built-in Drill and Thread Size reference tables
• Bolt Pattern hole layouts
• Work in and convert between U.S. and Metric units, including:
• Decimal Inches/Mils
• Feet-Inch-Fractions
• m, mm, cm
• Area, Volume and Weight
In addition, the Machinist Calc Pro (Model 4087) has:
• Advanced Built-in Drill and Thread Size reference tables
• Drill Point Cut Depth solutions
• Wire Sizes and 3-Wire Measurements
• Advanced Bolt Pattern hole layouts with center x, y coordinate
• Right triangle math
• Trigonometric solutions