Operating Controls; Machine Operation; Cutting Execution; Chucking - Promac PBD-3069 Manual

9.0 Operating Controls

Refer to Figure 9-1:
R .....................................Feed speed select lever (I, II, III)
S .............................................. Feed forward/off/reverse
T ............................................................. Coolant ON/OFF
U ..................................................Spindle power ON/OFF
V ................................................Spindle forward/reverse
W ............................................................Emergency Stop
NN .......................... Feed shaft / Lead screw, select lever
Figure 9-1: Operating Controls

10.0 Machine Operation

10.1 Cutting execution

Before starting the machine check the proper chucking.
Close the chuck guard and pulley cover before you start the
machine.
Select running direction, forward or reverse (V, Fig 9-1).
You can start the machine with the green ON-button (U).
The red OFF-button stops the machine.
The emergency stop button (W) stops all machine functions.
Turn emergency stop button clockwise to reset.
The work lamp (G, Fig 5-1) operates independently; ON/OFF
switch is on top of lamp housing.
Unplug the machine if not in use.

10.2 Chucking

Do not exceed the max speed of the work holding device.
Jaw teeth and scroll must always be fully engaged. Otherwise
chuck jaws may break and fly off in rotation (Fig 10-1).
Figure 10-1: Poor jaw engagements
Avoid long workpiece extensions. Parts may bend (Fig 10-2)
or fly off (Fig 10-3). Use tailstock or rest to support.
Figure 10-2: Workpiece too long
Figure 10-3: Workpiece too long
Avoid short clamping contact (A, Fig 10-4) or clamping on a
minor diameter (B). Face locate workpiece for added support.
Figure 10-4: Poor clamping
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