20 Inch Swing Screw Cutting
Engine Lathe.
Made by Flather & Co.,
Nashua, N.H.
The cut above represents
this Lathe with compound rest and power cross feed.
Here
is a general description of the Lathe and the patent feed.
20-inch swing, 8-foot
bed, will take 4 feet 5 inches between centres.
Swing over carriage,
14 inches.
Hole through head spindle,
1-1/2 inches in diameter.
There are four changes
for feed belt, giving a range of belt feeds from 30 cuts to 75 cuts per
inch; and a great many changes of gear feed (through the rod and friction),
from 4 cuts to 320 cuts per inch.
The screw has change
gears to cut from 2 to 32 threads to the inch.
Speed of countershaft,
110 revolutions per minute.
Friction pulleys,
14 inches diameter, 4 inches face.
Weight, 2,700 pounds.
|
Price, 20-inch swing, 8-foot
bed . . . . . . . $600.00
" extra, per foot
. . . . . . . . . . . . . . . . . . 18.00
"
" for turret head . . . . . . . . . . . . . 200.0
" "
taper attachment . . . . . . . . . . . .90.00
|
Countershaft with friction or tight and
loose pulleys is furnished
with each Lathe.
|
