-36-
G0600 20" x 60" Big Bore Lathe
2.
Determine the final diameter, in inches, for
the cut you are about to take.
Note:
For this step you will need to aver-
age out the diameters or work with the finish
diameter for your calculations.
3.
Use the following formula to determine the
needed RPM for your operation:
With the calculated RPM, let us say it needs
to be 80 RPM
.
So the headstock levers must
be moved to the appropriate
X
or
Y
and
H
or
L
positions.
Note:
You may need to rotate the spindle by
hand or use the jog button to get the levers to
properly engage.
4.
Move the spindle speed dial so the red dia-
mond on the dial lines up with the red dia-
mond point on the headstock. Both diamonds
should be at the 12:00 O'clock position
(
Figure 43
). The RPMs available now are
low: 25, 80; and high: 235, 700.
5.
Move the spindle range lever to
L
(Low
Range) as shown in
Figure 42
. The RPMs
available now are low: 25, 80.
6.
Move the range splitting lever to
X
as shown
in
Figure 42
. The final spindle RPMs is 80.
Setting Spindle RPM
To find and set the spindle RPM:
1.
Use the table in
Figure 41
to determine the
cutting speed for your workpiece.
Cutting Speeds for High Speed Steel (HSS)
Cutting Tools
Workpiece Material
Cutting Speed (sfm)
Aluminum & Alloys
300
Brass & Bronze
150
Copper
100
Cast Iron, Soft
80
Cast Iron, Hard
50
Mild Steel
90
Cast Steel
80
Alloy Steel, hard
40
Tool Steel
50
Stainless Steel
60
Titanium
50
Plastics
300-800
Wood
300-500
Note:
For carbide cutting tools, double the cut-
ting speed. These values are a guideline only.
Refer to the MACHINERY'S HANDBOOK for
more detailed information.
Figure 41.
Cutting speed table for HSS cutting
tools.
Failure to follow RPM and feed rate guide-
lines may threaten operator safety from
ejected parts or broken tools.
The spindle speed dial positions the headstock
gears in one of three speed modes. In each
mode, there are two speeds in low range and two
speeds in high range. The range lever selects
high or low range, and the range splitting lever
selects one of the two remaining speeds within
that range.
The range lever is used to select a set of high
or low range spindle speeds from one of the
three spindle speed modes shown on the spindle
speed dial.
The range splitting lever is used to select the final
spindle speed from the set of high or low range
speeds selected by the range lever.
Содержание G0600
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Страница 78: ...G0600 20 x 60 Big Bore Lathe 75 Quick Change Gearbox Gear System 1000 Series Series Parts ...
Страница 79: ... 76 G0600 20 x 60 Big Bore Lathe Quick Change Gearbox Face 1000 Series Parts ...
Страница 80: ...G0600 20 x 60 Big Bore Lathe 77 Quick Change Gearbox Shift System 1000 Series Parts ...
Страница 81: ... 78 G0600 20 x 60 Big Bore Lathe Quick Change Gearbox Shift System 1000 Series Parts ...
Страница 84: ...G0600 20 x 60 Big Bore Lathe 81 Carriage 2000 Series Parts ...
Страница 85: ... 82 G0600 20 x 60 Big Bore Lathe Cross Slide and Carriage 2000 Series Parts ...
Страница 86: ...G0600 20 x 60 Big Bore Lathe 83 Compound Rest and Tool Post 2000 Series Parts ...
Страница 87: ... 84 G0600 20 x 60 Big Bore Lathe Carriage Oil Pump System 2000 Series Parts ...
Страница 90: ...G0600 20 x 60 Big Bore Lathe 87 Apron Face Thread Dial Auto Stop System 3000 Series Parts ...
Страница 91: ... 88 G0600 20 x 60 Big Bore Lathe Apron Gearing Halfnut Feed System 3000 Series Parts ...
Страница 92: ...G0600 20 x 60 Big Bore Lathe 89 Apron Feed Rod Clutch and Lever System 3000 Series Parts ...
Страница 95: ... 92 G0600 20 x 60 Big Bore Lathe Tailstock 4000 Series Parts ...
Страница 97: ... 94 G0600 20 x 60 Big Bore Lathe Bed Assembly 5000 Series Parts ...
Страница 98: ...G0600 20 x 60 Big Bore Lathe 95 Brake Pedal and Headstock Panels 5000 Series Parts ...
Страница 99: ... 96 G0600 20 x 60 Big Bore Lathe Brake System and Change Gears 5000 Series Parts ...
Страница 100: ...G0600 20 x 60 Big Bore Lathe 97 Motor and Headstock Mounting 5000 Series Parts ...
Страница 101: ... 98 G0600 20 x 60 Big Bore Lathe End Covers and Splash Guard 5000 Series Parts ...
Страница 102: ...G0600 20 x 60 Big Bore Lathe 99 Change Gear System 5000 Series Parts ...
Страница 105: ... 102 G0600 20 x 60 Big Bore Lathe Steady and Follow Rests 6000 Series Parts ...
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