Colchester Student 1800 Basic Operation Manual
Colchester Student 1800 Basic Operation Manual
1) Spindle Speed Selection
2) Spindle Operation
3) Setting automatic feed speed rate mm/revolution
4) Operating automatic feed of carriage along bed of machine
5) Operating automatic feed of cross-slide across bed of machine
6) Drilling holes in material using Tailstock
7) Turning a taper using the compound slide
Spindle Speed Selection rpm
To select 53 rpm spindle speed rotate
the selector levers (a) and(b) to align
the blue arrow and blue box
indicating required speed with the
fixed blue colour band (1) as
example below
a
b
1
To select 410 rpm spindle speed
rotate the selector levers (a) and(b) to
align the red arrow and red box
indicating required speed with the
fixed red colour band as example
below
1
Spindle Operation
1) To operate spindle in forward direction pull clutch lever (1) out to the
right and push down as in diagram (A)
2) To stop spindle lift clutch lever back up into neutral position as in
diagram (B)
3) To operate spindle in reverse direction pull clutch lever out to the right
and pull up
(A)
(B)
1
Setting automatic feed speed rate mm/revolution
1) Refer to chart of feed rates located on control panel as in diagram (A)
2) Select feed rate for example 0.10 mm/rev in left hand column.
3) Look at gear selector positions in centre column then set gears levers to correct
positions as indicated in diagram (B) (L is gear train and is generally set unless told
otherwise), the Bold letter C at top of chart indicates this gear selector also needs to be
set.
(A)
(B)
Operating automatic feed of carriage along bed
of machine
1)
2)
3)
4)
Push feed direction button (1) in as in diagram (A)
Start machine spindle using clutch lever.
Lift feed engage lever (2) as in diagram (B)
Note disengage feed before turning spindle off on shut down
(A)
(B)
1
2
Operating automatic feed of cross-slide across
bed of machine
1)
2)
3)
4)
Pull feed direction button (1) out as in diagram (A)
Start machine spindle using clutch lever.
Lift feed engage lever (2) as in diagram (B)
Note disengage feed before turning spindle off on shut down
(A)
(B)
1
2
Drilling holes in material using Tailstock
• Rotate hand-wheel (A) on tailstock
clockwise until scale on quill (B) is
visible as in diagram below
• Insert chuck with centre drill fitted
into quill ensuring tang lines up
correctly as below.
B
• Move tailstock along machine bed
until centre drill is around 20mm from
work-piece then lock in position by
pushing locking lever (C) forward
• Turn spindle on and rotate hand-wheel
(A) clockwise to drill into work-piece
• Rotate anti-clockwise to withdraw,
change drill to correct size and repeat
process
A
C
A
Turning a taper using the compound slide
Using correct size spanner loosen
compound slide securing nuts (A) one on
front one on rear
A
Rotate compound slide to align correct
angle with datum line, example 15 degrees
and lock securing nuts
Move Carriage along bed of machine until
tool is close to material
Set tool at corner of material and wind back
slightly carriage , move cross-slide forward by
0.5mm
Rotate hand-wheel (B) on compound
clockwise at a constant speed to cut taper
When cutting stops rewind compound slide,
apply further 0.5mm cut using cross-slide and
repeat until correct taper is produced
B