0850/0850-T1 User Manual
Matrix Machine Tool (Coventry) Limited 116 / 231
[User Defined]
This option allows you to independently define the slope of the thread at the major
and minor diameters.
Select [User Defined] followed by [Next] softkey to continue. You are then presented
with the data input screen below:
Enter the Major (addendum angle) and Minor (dedendum angle) angle values in the
input fields and then select the [Next] softkey to continue. The angle can be specified
as a positive or negative value. Fig.3 below shows the affect that positive major/minor
angle has on the thread profile.
Fig.3 user defined major/minor angles