33
Softer materials require greater speed than harder
materials. See right speadsheet for recommended speeds
for the workpiece material.
Mechanical variable speed (Fig. 24)
This is a variable speed bench drill press. To increase or
decrease the speed when operating, raise or lower the
speed handle (1).
Use the following table to determine the recommended
speed for the drill size you are using and the type of
material you are to drill. While drilling, check the speed on
the digital speed readout (2) located at the front of the drill
press.
Recommended Speed for Dill Size & Material
SPEED RANDE
(R.P.M.)
WOOD
ALUM ZINC
BRASS
IRON STEEL
in
mm
in
mm
in
mm
2000-2500
3/8
9.5
7/32
5.6
3/32
2.4
1400-2000
5/8
16.0
11/32
8.75
5/32
4.0
1000-1400
7/8
22.0
15/32
12.0
1/4
6.4
800-1000
1-1/4
31.75
11/16
17.5
3/8
9.5
450-800
1-5/8
41.4
3/4
19.0
5/8
16.0
MAINTENANCE
FOR YOUR OWN SAFETY, TURN
THE SWITCH OFF AND REMOVE THE PLUG FROM
THE POWER SUPPLY BEFORE MAINTAINING OR
LUBRICATING THE BENCH DRILL PRESS.
Vacuum sawdust or metal shavings that accumulates in
and on the motor, pulley housing, table, and work surface.
Apply a light coat of paste wax to the column and table to
help keep these surfaces clean and rust-free.
The ball bearings in the spindle and the V-belt pulley
assembly are greased and permanently sealed. Pull the
spindle down and oil the spindle sleeve moderately every
three months.
Lubricate the table bracket and locking knobs if they
become difficult to use.
All servicing of the drill press
should be performed by a qualified service technician.
FIG.24
2
1
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