0850/0850-T1 User Manual
Matrix Machine Tool (Coventry) Limited 113 / 231
4. How is the workpiece thread form defined on the manufacturing drawing?
Tapered Thread
If the workpiece is tapered then you need to determine how the taper thread has been
defined. Is it relative to the axis or cone (slope) of the workpiece surface?
Select [Upright To Axis] softkey if the thread pitch dimension is specified axially to the
workpiece (see fig 1 below) followed by selecting the [Next] softkey to continue.
Fig.1 thread specified upright to the axis