Sherline 5000 Mill Assembly Instructions

-46-
TECHNICAL SPECIFICATIONS
LATHES 4000 (4100) 4400 (4410)
Swing over bed 3.50" (90 mm) 3.50" (90 mm)
Swing over carriage 1.88" (48 mm) 1.88" (48 mm)
Distance between centers 8.00" (200 mm) 17.00" (430 mm)
Hole through spindle .405" (10 mm) .405" (10 mm)
Spindle nose ext. thread 3/4-16 T.P.I. 3/4-16 T.P.I.
Spindle nose int. taper #1 Morse #1 Morse
Travel of crosslide 4.25" (110 mm) 4.25" (110 mm)
Tailstock spindle taper #0 Morse #0 Morse
Protractor graduations 0° to 45° by 5° 0° to 45° by 5°
Handwheel graduations .001" (.01 mm) .001" (.01 mm)
Electronically controlled
spindle speed range 70 to 2800 RPM 70 to 2800 RPM
Length overall* 23" (584 mm) 32.5" (826 mm)
Width overall* 10.25" (260 mm) 10.55" (267 mm)
Height overall* 8" (203 mm) 8.5" (216 mm)
Shipping weight 24 lb. (10.9 kg) 30 lb. (13.6 kg)
*All overall dimensions include motor and speed control.
VERTICAL MILLS 5000 (5100) 5400 (5410) 2000 (2010)
Max. clearance,
table to spindle 8.00" (203 mm) 8.00" (203 mm) 9.00" (229 mm)
Throat (no spacer) 2.25" (50 mm) 2.25" (50 mm) (Adjustable)
(w/ headstock spacer) (optional) 3.50" (90mm) (Adjustable)
Travel, X-axis 9.00" (228 mm) 9.00" (228 mm) 9.00" (228 mm)
Travel, Y-axis 3.00" (76 mm) 5.00" (127 mm) 7.00" (178 mm)
Travel, Z-axis 6.25" (159 mm) 6.25" (159 mm) 5.38" (137 mm)
Hole through spindle .405" (10 mm) .405" (10 mm) .405" (10 mm)
Spindle nose ext. thread 3/4-16 T.P.I. 3/4-16 T.P.I. 3/4-16 T.P.I.
Spindle nose int. taper #1 Morse #1 Morse #1 Morse
Handwheel graduations .001" (.01 mm) .001" (.01 mm) .001" (.01 mm)
Electronically controlled
Spindle speed range 70 to 2800 RPM 70 to 2800 RPM 70 to 2800 RPM
Width overall* 14.75" (375 mm) 15.00" (381 mm) 15.00" (381 mm)
Depth overall* 11.75" (298 mm) 14.00" (356 mm) 22.25" (565 mm)
Height overall (Max.)* 20.75" (527 mm) 20.75" (527 mm) 23.38" (568 mm)
Table size 2.75" x 13.00" 2.75" x 13.00" 2.75" x 13.00"
(70 mm x 330 mm) (70 mm x 330 mm) (70 mm x 330 mm)
Hold-down provision 2 T-slots 2 T-slots 2 T-slots
Shipping weight 33 lb (15.0 kg) 36 lb (16.3 kg) 38 lb (17.2 kg)
Movements in addition Headstock rotation Headstock rotation Headstock rotation
to X-, Y- and Z-axes (90° L/R) (90° L/R) (90° L/R),
Column rotation (90° L/R),
Column pivot (90° Fwd/Bk),
Column swing (90°L/R),
Col. travel (In/Out) 5.5" (140 mm)
MOTOR SPECIFICATIONS
Input voltage—100 to 240 VAC, 50 to 60 Hz
Output to motor—90 VDC
Current draw—.5 to 15 amps depending on load
No-load output shaft speed—6000 RPM (no pulley)
NOTE: Motor and speed control are available separately.
Part numbers are as follows:
P/N 33050—DC Motor and Speed Control
P/N 33060— Headstock, DC Motor, Speed Control
MACHINING BASICS—USING THE HANDWHEELS
P
recision leadscrews and the handwheels that drive
them make it possible to produce highly accurate parts on a
mill or lathe. Here are some tips that should help first-time
machinists get off to a good start.
HANDWHEEL INCREMENTS
The handwheels on Sherline machines are marked in increments
of one one-thousandth of an inch (.001") for inch models or one
one-hundredth of a millimeter (.01 mm) for metric models. One
turn of the handwheel causes the leadscrew to advance the tool
or part .050" (inch models) and 1 mm (metric models). The
leadscrews are precision rolled and are quite accurate. Therefore,
moving the handwheel three rotations, for example, moves that
axis exactly .150" (or .03mm on metric machines). This precise
method of moving the tool or part is what makes it possible to
make accurate parts on a metalworking lathe or mill.
When advancing the CROSSLIDE handwheel to take a cut on
the lathe, keep in mind that the amount of metal removed is
actually TWICE the amount you dial in. You are removing a given
amount of material from the RADIUS of the part, which means
you are actually removing twice that amount from the
DIAMETER of the part. (Some lathes are set up with the crosslide
feed reading the amount the diameter is reduced; however, since
it is possible for Sherline lathes to also be used in a milling
configuration where the crosslide feed becomes the X-axis feed
for milling, this system was not used.)
TURNING THE HANDWHEELS
Each handwheel has a small handle. This is mainly used to
advance the leadscrew quickly over long distances. When
actually making a cut, or at least when making the final cut on a
part, most machinists will turn the handwheel itself, using the
outer surface and alternating back and forth between hands to
keep a smooth, continuous feed going. On small machines, the
handwheel is turned by its outer knurled surface using the thumb
and a finger of one hand. Then, as that hand is released, the
thumb and finger of the other hand pick up the rotation. Using
the handle on the handwheel can introduce pushing and pulling
motions that can adversely affect the finish. (See Figure 83.)
FIGURE 83—A
two-handed tech-
nique for turning
the handwheels
yields a better final
finish on your part.
Shown in use here
is an adjustable
“zero” handwheel.
ADJUSTABLE “ZERO” HANDWHEELS
Adjustable handwheels are optional on all Sherline machines
and are standard on the deluxe models. The increments are marked
on a collar which can be disengaged from the handwheel and
reset to “zero” or any other desired setting. To release the collar,
turn the black, knurled release knob on the outer face of the
handwheel counterclockwise. The collar can then be adjusted
without moving the handwheel itself. When reset to zero, carefully
retighten the black locking knob to reengage the collar and then
advance the handwheel. The advantage of this system is that it
can eliminate errors when “dialing in” a dimension, as you are
starting from zero each time, rather than adding one number to
another to come up with the next stopping point.