Speed recommendations
Workpiece
Diameter
mm
Roughing
RPM
General
Cutting
RPM
Finishing
RPM
< 50
1250
2500
2500
50-100
700
1600
2500
100-150
480
1100
1600
150-200
400
900
1250
200-250
350
600
1100
250-300
350
480
900
300-350
350
350
600
6.4 Turning between centres:
With a ruler locate and mark the centre on each end.
Put a dimple in each end of the shock. Extremely hard woods
may require kerfs cut into the spur drive end of stock (see Fig
16.
Fig 16
The spur drive centre
locks into the spindle taper and can
be removed with the knockout rod (Fig 17)
Fig 17
The live centre
locks into the tail stock taper and can be
removed by rotating the handwheel counter clockwise (Fig
18)
Fig 18
Fig 18-1
Mount the centred workpiece between the spur drive centre
and the tailstock mounted live centre (Fig 19)
Fig 19
Turn the tailstock hand wheel until the live centre well
penetrates the workpiece. Reverse the hand wheel by one
quarter turn and lock the tailstock spindle (M, Fig 18)
Turn the workpiece by hand to see if it rests securely between
centres and can be rotated freely.
