Summit 20-4 x 80A NEW LATHES

Price on Request

Make:: Summit

Model:: 20-4 x 80A

Year:: NEW

Ref #:: 160811

Or call us for a quote at (973) 497-7500 or send us an email at toolroom@machineryvalues.com

NEW 20" X 80" SUMMIT PRECISION ENGINE LATHE
MODEL: 20-4 X 80A 
 
SPECIFICATIONS 
CAPACITIES 
SWING OVER BED ................. 20” 
SWING OVER CROSS SLIDE ......... 13 ¼” 
SWING OVER GAP ................. 30” 
LENGTH OF GAP .................. 11 ¾” 
LENGTH OF GAP IN FRONT OF 4 JAW CHUCK 4 ¼” 
WORKPIECE WEIGHTS 
AT THE HEADSTOCK ............... 330 LBS. 
BETWEEN CENTERS ................ 990 LBS. 
BETWEEN CENTERS W/ STEADY REST.. 1,760 LBS. 
HEADSTOCK 
SPINDLE SPEEDS (NO.) RANGE RPM.. (12) 32-1500 
HOLE THROUGH SPINDLE ........... 4” 
SPINDLE NOSE ................... D1-8 CAMLOCK 
HEADSTOCK CENTER ............... #5 MT 
QUICK CHANGE GEARBOX 
THREADS PER INCH (NO.) RANGE ... (45) 2 - 72 
METRIC THREADS (NO.) RANGE ..... (42) .2 - 14 
MODULE THREADS (NO.) RANGE ..... (18) .3 – 3.5 
DIAMETRAL PITCH (NO.) RANGE .... (21) 8 – 44 
LONGITUDINAL FEEDS (NO.) RANGE.. (32) .002” - .0400” 
CROSS FEEDS (NO.) RANGE ........ (32) .001” - .0200” 
LEADSCREW (DIA) RANGE (1.3/8”).. 4 TPI 
FEED ROD DIAMETER .............. 1” 
CARRIAGE & APRON 
CROSS SLIDE TRAVEL ............. 11 ½” 
COMPOUND REST TRAVEL ........... 5” 
GRADUATION-APRON HANDWHEEL ..... 0.010” 
GRADUATION-CROSS SLIDE HANDWHEEL 0.002” 
TAILSTOCK 
TRAVEL OF SPINDLE BARREL ....... 6” 
DIAMETER OF SPINDLE BARREL ..... 3” 
TAPER OF CENTER ................ #5 MT 
BED 
WIDTH OF BED ................... 13” 
HARDNESS OF BED (ROCKWELL C) ... 44 - 50 
TAPER ATTACHMENT 
DEGREES OF TAPER ............... +/- 10 DEGREES 
MAX TURNING LENGTH PER SETTING . 16” 
MOTORS 
MAIN DRIVE ..................... 10 HP 
COOLANT PUMP ................... 1/8 HP 
STEADY AND FOLLOW REST 
STEADY REST .................... ½” – 5 ¾” 
FOLLOW REST .................... 3/8” – 3” 
SHIPPING DATA 
OVERALL WIDTH .................. 44” 
OVERALL HEIGHT ................. 65” 
OVERALL LENGTH ................. 134” 
WEIGHT ......................... 6,800 LBS  
 
EQUIPPED WITH: 
STEADY REST
FOLLOW REST
THREAD DIAL
COOLANT SYSTEM
TAPER ATTACHMENT
3 JAW CHUCK
15-3/4" 4 JAW CHUCK
CARRIAGE STOP
WORK LIGHT
FULL LENGTH SPLASH GUARD
CHUCK GUARD 
 
FEATURES
BIG 4” THRU HOLE 
4 WAY RAPID TRAVERSE 
2 SPEED TAILSTOCK 
4 POSITION BED STOP 
AUTOMATIC LUBRICATION SYSTEM 
INCH/METRIC THREADS W/SINGLE SWITCH LEVER 
CUTS MOST INCH/METRIC THREADS WITHOUT CHANGE GEARS 
HARDENED & GROUND BEDWAYS 
FORCED LUBRICATION TO THE HEADSTOCK, CARRIAGE 
AND BEDWAYS 
REMOVABLE GAP 
PRECISION (3) BEARING SPINDLE 
    
OPTIONS 
12” STEEL BODY PRECISION CHUCK W/2 PIECE JAWS IN LIEU OF STANDARD CHUCK 
20” SEMI-STEEL 4 JAW CHUCK 
20” STEEL BODY 4 JAW CHUCK W/2 PIECE REVERSIBLE JAWS 
ALORIS QUICK CHANGE TOOL POST W/HOLDERS (2#1, 2#2)  
NEWALL 2 AXIS DIGITAL READOUT INSTALLED 
**INSTALLATION ASSISTANCE TBD 
ELECTRICS 
220/440/3/60
 

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