| Dimensions | 156X 48 X 60 | 156X 48 X 60 |
| Weight | 7,700 | 7,700 |
SUMMIT (NEW) MODEL 20-4-80 ENGINE LATHE
CAPACITY
- 20-1/4" SWING OVER BED
- 11-7/8" SWING OVER CROSS SLIDE
- 27-5/8" SWING OVER GAP
- 15" GAP
- 8-3/8" GAP IN FRONT OF FACEPLATE
WORKPIECE WEIGHTS
- 400 LBS AT THE HEADSTOCK
- 2,000 LBS BETWEEN CHUCK AND TAILSTOCK
- 4,000 LBS CHUCK TAILSTOCK WITH STEADY REST
HEADSTOCK
- 15 SPINDLE SPEEDS 11.5-1400 RPM
- 4-1/8" HOLE THROUGH SPINDLE
- D1-8 SPINDLE NOSE
- MT 6 HEADSTOCK CENTER
QUICK CHANGE GEARBOX
- 64 THREADS PER INCH 1/4 - 60
- 64 METRIC THREADS 0.5 - 120
- 64 MODULE THREADS 0.125 - 30
- 64 DIAMETRAL PITCH 1 - 240
- 124 LONGITUDINAL FEEDS 0.00145 - 0.44474
- 56 CROSS FEEDS 0.0007 - 0.22237
- 2" LEADSCREW DIAMETER 2 TPI
- 1" FEED ROD DIAMETER
CARRIAGE AND APRON
- 12-1/2" CROSS SLIDE TRAVEL
- 5-3/8" COMPOUND REST TRAVEL
- 0.020 GRADUATION OF APRON HANDWHEEL
- 0.002 GRADUATION OF CROSS SLIDE HANDWHEEL
TAILSTOCK
- 9-1/2" SPINDLE BARREL TRAVEL
- 3-1/2" SPINDLE BARREL DIAMETER
- MT 5 CENTER TAPER
- TWO SPEED 1:1 4:1
BED
- 15-3/4" WIDE
- 16-7/8" DEEP
- 42-48 BED HARDNESS (ROCKWELL C)
TAPER ATTACHMENT
- +/- 10 DEGREES OF TAPER
- 15-3/4" MAXIMUM TURNING LENGTH PER SETTING
MOTORS
- 10 HP MAIN
- 1/4 HP COOLAND PUMP
STEADY AND FOLLOW REST
- 1/2" - 6-1/8" STANDARD STEADY REST
- 5" - 11" EXTRA CAPACITY STEADY REST
- 1/2" - 7-7/8" FOLLOW REST
FEATURES
- INCH METRIC THREADS WITH SINGLE SWITCH LEVER
- CUTS MOST INCH/METRIC THREADS W/O GEAR CHANGE
- HARDENED AND GROUND BEDWAYS
- FORCED LUBE TO HEADSTOCK, CARRIAGE AND BEDWAYS
- MECHANICAL DISC CLUTCH
- REMOVAVBLE GAP
- PRECISION 3 BEARING SPINDLE
- CROSSFEED AND THREADING SAFETY INTERLOCK
- FEED REVERSING AT THE APRON
- RAPID TRAVERSE ON CARRIAGE (4-WAY JOYSTICK)
- SINGLE LEVER CONTROL FOR FEEDS AND SPEEEDS
- 2-SPEED TAILSTOCK
ACCESSORIES INCLUDED
- STANDARD STEADY REST
- EXTRA CAPACITY STEADY REST WITH ROLLERS
- FOLLOW REST
- THREAD DIAL
- COOLANT SYSTEM
- TAPER ATTACHMENT
- 12" 3-JAW CHUCK WITH 2-PIECE JAWS
- CARRIAGE STOP
- WORK LIGHT
- FULL-LENGTH SPLASH GUARD
- SERVICE WRENCHES AND SPANNERS
OPTIONS AVAILABLE - PRICE ON REQUEST
- 12" STEEL BODY PRECISION CHUCK UPGRADE
- 15-3/4" SEMI-STEEL 4-JAW CHUCK
- 15-3/4" STEEL 4-JAW CHUCK WITH 2-PIECE
REVERSIBLE JAWS
- ALORIS QUICK CHANGE TOOL POST WITH HOLDERS
- FAGOR 2-AXIS DIGITAL READOUT (INSTALLED)
FOB: OK
Power: 220/440 (3-Phase)
