NEW ~ Involute 2.0 For Windows - is a new freeware
tool for calculating involute roll angles and other gear data such as Form and SAP diameters, base diameter,
operating pressure angle, addendum modification coefficient(x) and more.
Download Involute 2.0 (Free)
Gear Finder (Free) - is a program for calculating change gears for any given gear ratio. The program is for four gear combinations.
Download Gear Finder (Free)
Helix - is a DOS program for
hobbing helical gears on a hobbing machine without a differencial gear box. This program will find index and feed gears
for your machine to produce the desired helix angle.
Download Helix (Free)
QWorm - is a program
for calculating measurement over pins for worm threads.
Download Qworm (Free)
QThread - is a program
for calculating measurement over pins for Acme threads.
Download QThread (Free)