Machine Operation; Manual Drilling - Jet PROMAC BX-825VT Mode D'emploi

Before starting the machine check the proper chucking.
You can start the machine with the green on button (N, Fig
4).
The red off button (M) stops the machine.
The emergency stop button (O) stops all machine functions.
Attention:
The machine still has electric power!
Turn emergency stop button clockwise to reset.
Use the speed select wheel (R) to set the speed.
Attention:
Never change speeds without the motor running (Variator-
belt drive).
The digital readout (L) shows the spindle speed.
Initial lubrication:
Lubricate gently with grease:
-the teeth of the quill
-the column-rack

6. Machine operation

Always adjust the table and the depth stop to prevent drilling
into the table. Use a back-up piece of scrap wood to cover
the table. This protects both the table and the drill bit.
Secure workpiece to the table with clamps or a vice to
prevent rotating with the drill bit.
T-slot size is 12mm.
Feed the bit into the material with only enough force to allow
the drill bit to work.
Feeding too slowly may cause burning of the workpiece.
Feeding too quickly may cause the motor to stop and/or the
drill bit to break.
Recommended speeds for a 10mm HSS drill:
Wood: 2000 RPM
Plastic: 1500 RPM
Aluminium: 1500 RPM
Brass: 1500 RPM
Cast iron: 1000 RPM
Fig 4
Mild steel:
High carbon steel:
Stainless steel:
Generally speaking, the smaller in relation the drill bit, the
greater the RPM required.
Wood requires higher speeds than metal.
Metal is usually drilled at slower speeds; cutting oil is applied
if necessary.
Warning:
Always keep your hands well clear of the rotating bit.
Do not remove chips and workpiece parts until the machine
is at a standstill.
Always close the chuck guard and pulley cover before you
start the machine.
When using a drill press vice, always fasten it to the table.
Never do any works "freehand" (hand-holding the work piece
rather than supporting it on the table), except when
polishing.
Support long workpieces with helping roller stands.
Do not use wire wheels, router bits, shaper cutters, circle
cutters, or rotary planers on this drill press.
Never cut magnesium-
high danger of fire!
Measurements and adjustments may only be carried out
when the machine is at a standstill only.
In case of danger push the emergency stop button.
Machine at rest:
If the drill press is not used for a longer time, pull the mains
plug, untension the Poly-V-belt and protect all blanc
surfaces.

6.1 Manual drilling

To drill multiple holes at the same preset depth, use the
depth stop (K, Fig 5)Fig 5.
F ig 5
7
800 RPM
600 RPM
300 RPM