Spindle Rpm - Shop fox M1099 Owner's Manual

Spindle RPM

This lathe has six possible spindle speeds. Shown in
Figure 30 is an example of how you would use the chart
to get a spindle RPM of 150.
To set the spindle RPM, do these steps:
1. DISCONNECT THE LATHE FROM POWER!
2. Refer to the RPM chart in Figure 30 and determine
which pulley combination you will need to get a par-
ticular spindle RPM.
3. Open the side cover and install the low range belt
between pulleys B and C and in sheave 1 as shown in
Figure 30.
Note: The low range belt is always used on pulleys
B and C with the tensioner. This belt is 27.5" long.
The high range belt is always used on pulleys A and
C without using the tensioner. This belt is 33" long.
4. Close the side cover and secure it shut with the cap
screw. The lathe is now ready to use at 150 RPM.
C
B
Tensioner
A
Figure 30. Pulley combination (BC1) achieves 150 RPM at the spindle.
Use
machining heavy eccentric
workpieces; Objects thrown
from a lathe can cause seri-
ous injury or death.
Use a minimum of three indepen-
dent clamping devices when turning
eccentric workpieces on the faceplate.
Failure to provide adequate clamping
will cause workpiece to eject.
= 150 RPM
-28-
Model M1099 (Mfg Since 8/07)
a low RPM
RPM Chart
when