0850/0850-T1 User Manual
Matrix Machine Tool (Coventry) Limited 111 / 231
Red directions arrows shown in the sketch above apply a right-hand threaded workpiece where the
conventional direction of grind is from right to left i.e from tailstock side towards workhead side.
In the case of a left-hand threaded workpiece the conventional direction of grind would be from left
to right.
However, it should be noted that this is not a restriction of the machine. For example, you could
grind a right hand thread with the grinding wheel moving from left to right often referred to as ‘climb
grinding’.
X Taper In / X Taper Out
Note: X taper in/out position move is programmed radially i.e not as a diameter.
The amount of taper to apply to the grinding wheel moving in the X direction can be calculated using
the following expression:
Z Taper In / Z Taper Out
The amount of taper to apply to the grinding wheel moving in the Z direction is generally determined
as follows:
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