Preliminary Manual
Page 10
MOTOR REQUIREMENTS
90-94 12-004
New
A
single phase,
or split phase, continuous duty,
50
Hertz electric
motor with a
is recommended. A totallly enclosed fan cooled type
it provides extra dust protection for
the motor.
A single phase, ca acitator
split phase, continuous duty, 60 Hertz electric
motor with a spee of 1710
A totallly enclosed fan cooled type
(TEFC) is also recommende
dust protection for the motor.
REMEMBER THAT
THE
AT 1710 RPM. THIS IS APPROX.
20%
FASTER THAN THE STANDARD 1425 RPM FOR NEW
MOTORS. THIS MEANS THAT THE SPEED RANGE IS RATED
APPROX. 20% FASTER ALSO
-
SEE SPEED RANGE
POWER:
A
motor with a power
of
not less
than 560
should
be
used.
A
motor with less power will not be
suf
for the larger diameter work that the
is capable of. A 750
KW
HP)
motor is also a good option, providing good
power with reasonable cost. Larger, heavy motor
o tions are not recommended.
A
motor with a foot mounting frame size of B56 (N
or
56
is required
so
it
will
line
up with the motor mount slots.
ROTATION
OF
MOTOR:
Motor
needs to rotate under power in an
ANTI-CLOCKWISE direction (looking at
motor
from shaft side)
to
ensure lathe
spindle turns in an anti-clockwise direction
(looking face on to lathe spindle).
To
e
to correct rotation: Refer Motor instructions or have wiring changed by
qualifie electrician.
MOUNTING PULLEY
ON
MOTOR
First check the motor shaft size carefully. There is only 2-3 thousands of an inch
between imperial and metric sizes
-
BUT the difference is enough to make the pulley
either too tight to mount or loose when mounted. Standard
sizes for motors:
1. Diameter
0.625" 2. Diameter 16mm
0.6299"
3. Diameter
0.750" 4. Diameter
0.748"
An
eight step motor ulley is included with your accessor- kit. It has a standard
bore
as this is
t
e motor shaft size most
available. If your motor has
.
a different shaft diameter then the
pulley will nee to be
to the
correct size. This could be clone by a local engineering company.
FITTING PROCEDURE:
1.
Check for any burrs or dents
in shaft with raised ridges. File these off if
necessary.
2. Fit key wa
.
Check that the key size
on
the motor shaft will fit pulley.
The key shou d be a neat fit. Check keyway is free
of burrs
and dents that will
Push
on
by hand until the pulley
just clears the boss
on
motor. If necessary
GENTLY
tap
on with block of wood. Spin to check ulley is clear of boss.
4.
Use
in place using the 4mm
A
en Wrench (both provided).
DO
NOT USE
FORCE.
the key seating.
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