(1) NEW SUMMIT PRECISION ENGINE LATHE, MODEL #: 20-4 X 80B

Brand
SUMMIT

Model
20-4 x 80B

Stock #
83158

Condition
Not specified

Year
N/A

Equipped With

SPECIFICATIONS: CAPACITIES:
SWING OVER BED ---------------------- 20 1/4 inch
SWING OVER CROSS SLIDE -------------- 11 7/8 inch
SWING OVER GAP ---------------------- 27 5/8 inch
LENGTH OF GAP ----------------------- 15 inch
LENGTH OF GAP IN FRONT OF FACEPLATE - 8 3/8 inch

WORKPIECE WEIGHTS:
AT THE HEADSTOCK -------------------- 400 LBS.
BETWEEN CHUCK AND TAILSTOCK --------- 2,000 LBS.
BETWEEN CHUCK AND TAILSTOCK
W/STEADY REST ---------------------- 4,000 LBS

HEADSTOCK:
SPINDLE SPEEDS (NO.) RANGE RPM ------ (15) 11.5-1400
HOLE THROUGH SPINDLE ---------------- 4 1/8 inch
SPINDLE NOSE ------------------------ D1-8 CAMLOCK
HEADSTOCK CENTER -------------------- #6 MT

QUICK CHANGE GEARBOX:
THREADS PER INCH (NO.) RANGE -------- (64) 1/4 - 60
METRIC THREADS (NO.) RANGE ---------- (64) .5 - 120
MODULE THREADS (NO.) RANGE ---------- (64) .125 - 30
DIAMETRAL PITCH (NO.) RANGE --------- (64) 1 - 240
LONGITUDINAL FEEDS (NO.) RANGE ------ (124) .00145-.44474
CROSS FEEDS (NO.) RANGE ------------- (56) .0007-.22237
LEADSCREW (DIA) RANGE --------------- (2 inch) 2 TPI
FEED ROD DIAMETER ------------------- 1 inch

CARRIAGE & APRON:
CROSS SLIDE TRAVEL ------------------ 11 3/8 inch
COMPOUND REST TRAVEL ---------------- 5 3/8 inch
GRADUATION OF APRON HANDWHEEL ------- .020
GRADUATION OF CROSS SLIDE HANDWHEEL - .002 (DIR READ)

TAILSTOCK:
TRAVEL OF SPINDLE BARREL ------------ 9 1/2 inch
DIAMETER OF SPINDLE BARREL ---------- 3 1/2 inch
TAPER OF CENTER --------------------- #5 MT
TWO SPEED --------------------------- 1:1, 4:1

BED:
WIDTH OF BED ------------------------ 15 3/4 inch
DEPTH OF BED ------------------------ 16 7/8 inch
HARDNESS OF BED (ROCKWELL C) -------- 42-48

TAPER ATTACHMENT:
DEGREES OF TAPER -------------------- 10 DEGREES
MAXIMUM TURNING LENGTH PER SETTING -- 15 3/4 inch

MOTORS:
MAIN DRIVE -------------------------- 10 HP
COOLANT PUMP ------------------------ 1/4 HP

STEADY AND FOLLOW REST:
STANDARD STEADY REST ---------------- 1/2 inch-6 1/8 inch
EXTRA CAPACITY STEADY REST ---------- 5 inch ?? 11 inch
FOLLOW REST ------------------------- 1/2 inch- 7 7/8 inch

SHIPPING DATA:
OVERALL WIDTH ----------------------- 48 inch
OVERALL HEIGHT ---------------------- 60 inch
OVERALL LENGTH ---------------------- 156 inch
WEIGHT ------------------------------ 7,700 LBS FEATURES: BIG 4 1/8 inch THRU HOLE
INCH/METRIC THREADS W/SINGLE SWITCH LEVER
CUTS MOST INCH/METRIC THREADS WITHOUT CHANGE GEARS
HARDENED & GROUND BEDWAYS
FORCE LUBRICATION TO THE HEADSTOCK, CARRIAGE AND BEDWAYS
MECHANICAL DISC CLUTCH
REMOVABLE GAP
PRECISION (3) BEARING SPINDLE
CROSSFEED AND THREADING SAFETY INTERLOCK
FEED REVERSING AT THE APRON
4-WAY RAPID TRAVERSE
SINGLE LEVER CONTROL FOR FEEDS AND RAPIDS
TWO SPEED TAILSTOCK EQUIPPED WITH: STANDARD STEADY REST
EXTRA CAPACITY STEADY REST W/ROLLERS
FOLLOW REST
THREAD DIAL
COOLANT SYSTEM
TAPER ATTACHMENT
12 inch 3 JAW CHUCK W/2 PIECE JAWS
CARRIAGE STOP
WORK LIGHT
FULL LENGTH SPLASH GUARD
SERVICE WRENCHES & SPANNERS SPECIFICATIONS SUBJECT TO VERIFICATION OPTIONAL FEATURES: 12 inch STEEL BODY PRECISION CHUCK W/2 PIECE JAWS IN LIEU OF
STANDARD
CHUCK --------------------------------------------------
$2,600.00
20 inch SEMI-STEEL 4 JAW CHUCK -----------------------------
$5,300.00
20 inch STEEL BODY 4 JAW CHUCK W/2 PIECE REVERSIBLE JAWS ---
$7,000.00
ALORIS QUICK CHANGE TOOL POST W/HOLDERS (2#1, 2#2) -----
$1,400.00
FAGOR 2 AXIS DIGITAL READOUT INSTALLED -----------------
$4,000.00 DELIVERY: SUBJECT TO STOCK

Not Quite What You're Looking For?

Our knowledgeable staff will assist you with all of you questions.

Contact Us