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Jet BD-920W - Fig 1

Jet BD-920W
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5
Tailstock ram travel 40mm
Tailstock taper MT-2
Cross slide travel 125mm
Top slide travel 45mm
Tool size max 12 x 12 mm
Lead screw pitch 1,5mm
Gear box transmissions 0,5 / 1 / 2
Longitudinal feeds...20 0,02–0,5mm/r
Metric threads...13 0,4–3,5mm/r
Inch threads28 8 60 TPI
Dimension LxWxH 940x510x500mm
with optional stand H 1140mm
Net weight 110 kg
Mains 230V ~1/N/PE 50Hz
Output power 0,55 kW (0,75 HP) S1
Reference current 4 A
Extension cord (H07RN-F): 3x1,5²
Installation fuse protection 10A
4.2 Noise emission
Acoustic pressure level
(according to EN ISO 11202):
Idling at maximum speed
LpA 71,2 dB (A)
The specified values are emission
levels and are not necessarily to be
seen as safe operating levels.
As workplace conditions vary, this
information is intended to allow the
user to make a better estimation of
the hazards and risks involved only.
4.3 Content of delivery
Four way tool post
Single tool holder
Steady rest
Follow rest
Set of change gears
MT-2 fixed centre
MT-3 fixed centre
Threading dial
Faceplate
180mm 4-jaw independent chuck
100mm 3-jaw universal chuck
Set of 3 OD chuck jaws
Assembly kit
Operating manual
Spare parts list.
5. Transport and start up
5.1 Transport and installation
The machine is designed to operate
in closed rooms and must be bolted
on a firm and levelled table surface
or on the original cabinet stand
(optional accessory).
5.2 Assembly
If you notice transport damage while
unpacking, notify your supplier
immediately. Do not operate the
machine!
Dispose of the packing in an
environmentally friendly manner.
Clean all rust protected surfaces
with petroleum, diesel oil or a mild
solvent.
Caution: The machine is heavy!
Use great care and adequate
resources when lifting.
To avoid twisting the bed, make sure
the setup surface is absolutely flat
and level.
Regarding change gear setup:
For packaging reason the change
gears #60 and #120 have been
installed in reversed order.
Install them as shown here.
5.3 Mains connection
Mains connection and any extension
cords used must comply with
applicable regulations.
The mains voltage must comply with
the information on the machine
licence plate.
The mains connection must have a
10 A surge-proof fuse.
Only use power cords marked
H07RN-F
Connections and repairs to the
electrical equipment may only be
carried out by qualified electricians.
5.4 Starting operation
You can start the machine with the
green on button. The red button on
the main switch stops the machine.
The spindle direction switch can be
set to forward or reverse operation.
Caution:
The spindle direction may not be
changed during machine
operation.
6. Machine operation
Warning:
Setup, maintenance and repair work
may only be carried out after the
machine is protected against
accidental starting by pulling the
mains plug.
Measurements and adjustments
may be carried out when the
machine is at a standstill only.
Check the save clamping of the
work piece before starting the
machine.
Never stop the rotating chuck or
work piece with your hands.
Never place your fingers in a
position where they could contact
any rotating parts or chips.
Remove cutting chips with the aid of
an appropriate chip hook when the
machine is at a standstill only.
Always close the chuck guard and
pulley cover before you start the
machine.
Choose a small spindle speed when
working unbalanced work pieces
and for threading and tapping
operations.
Never cut magnesium-
high danger to fire!
6.1 Controls
Fig 1
1….Motor On/Off Switch
2….Motor Forward/Reverse Switch
3….Longitudinal Travel Hand Wheel
4….Half-Nut Lever
5….Cross Slide Hand Wheel
6….Top Slide Hand Wheel
7….Longitudinal Lock Screw
8….Tool Post
9….Tailstock Spindle Hand Wheel

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