Change Over of low-high speed ranges
This lathe is designed with two speed ranges (Low/High speed range) , within each range,
speed can be changed variablly by an electronic variable speed controller. To change the
spindle speed range, please follow instructions as below (Fig 14):
Fig.14
1, Unplug the lathe from the power source.
2, Open the magnetic belt cover which is
located on the headstock.
3, Loosen lock lever A and pull the belt
tension release lever B.
4, Place the belt C in the desired speed
range.
5, Rotate the spindle by hand and make
sure the pulley grooves are aligned with
the belt grooves and the belt runs smooth.
6, Pushing the tension release lever
properly and tighten the lock lever A.
Note:
The best belt tension should be that when pressing belt on the middle by one finger,
the bellt deflects
about 1/4” -1/2” (about 6-12mm)
Note:
Always
use the lowest speed of the range when starting lathe
For best turning result, find the following recommended spindle speed chart:
Diameter of wood-stock
Rough cutting
General cutting
Finishing/Sanding
under 50mm
1600rpm
3500rpm
3500rpm
50-100mm
800rpm
1600rpm
2500rpm
100-150mm
500rpm
1100rpm
1700rpm
150-200mm
400rpm
800rpm
1250rpm
200-250mm
300rpm
700rpm
1000rpm
250-300mm
250rpm
550rpm
900rpm
300-400
200rpm
450rpm
680rpm
400-500mm
150rpm
350rpm
550rpm
500-600mm
100rpm
280rpm
400rpm
more than 600mm on out
board turning
80rpm
200rpm
300rpm