Top Seller
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Location:
Hialeah, FL
Manufacturer:
Summit lathes

Specifications

Condition:
used
Stock number:
4086
F.o.b:
Oklahoma City, OK
Delivery:
From stock subject to prior sale
Division:
Metalworking
Electrics:
220/440/volt, 3 phase, 60 Hz.
Specifications:
SUMMIT MODEL 20-4 x 60B LATHE
With standard accessories:
$42,990.00
Subcategory:
Lathes, engine

Description

One new SUMMIT Model 20-4 x 60" Engine Lathe
with standard accessories: . . . . . . . . . . . . . . . . . . . $42,990.00
STANDARD ACCESSORIES:
Thread dial, Steady rest, Follow rest, Coolant, Taper attachment,
12-1/2" dia. jaw chuck with top two piece jaws,
chuck with solid reversible jaws, Turret carriage stop, Four way
rapid traverse, Work light and 10 HP main motor
OPTIONAL ACCESSORIES:
NEWALL "C80" two axis digital readout system . . . . . . . . . . 2,495.00
Installation of NEWALL digital readout system. . . . . . . . . . 500.00
DORIAN quick change toolpost with five holders . . . . . . . . . 1,250.00
Freight from Oklahoma City to Florida location--estimated. . . . 2,500.00
ELECTRICS: 220/440/volt, 3 phase, 60 Hz.
F.O.B.: Oklahoma City, OK
DELIVERY: From stock subject to prior sale
SPECIFICATIONS: SUMMIT MODEL 20-4 x 60B LATHE
CAPACITIES:
Swing over bed 20-1/4" (515mm)
Swing over cross slide 11-7/8" (300mm)
Swing over gap 27-5/8" (700mm)
Length of gap 15" (380mm)
Length of gap in front of faceplate 8-3/8" (213mm)
Distance between centers 60" (1500mm)
HEADSTOCK:
Spindle speeds--number 15
Spindle speeds--range 11.5 to 1500 rpm
Hole thru spindle 4-1/8" (105mm)
Spindle nose type D1-8 camlock
Headstock center No 6MT
Number of bearings on spindle 3
Main spindle bearing--Outside diameter 8-1/2" (220mm)
Main spindle bearing--Inside diameter 5" (130mm)
Overall length of spindle 34" (864mm)
QUICK CHANGE GEARBOX:
Threads per inch--number 64
--range 1/4 to 60
Metric threads--number 64
--range 0.5 to 120
Module threads--number 64
--range 0.125 to 30
Diametral pitch--number 64
--range 1 to 240
Longitudinal feeds--number 124
--range .00145 to .44474
Cross feeds--number 124
--range .0007 to .22237
Leadscrew diameter/threads 2"/2 TPI
Feed rod diameter 1"
Lubrication system Oil bath
CARRIAGE & APRON:
Compound rest travel 5-3/8" (136mm)
Compound rest width 5-7/8" (150mm)
Cross slide travel 11-3/8" (290mm)
Cross slide depth of bridge 4-3/4" (120mm)
Cross slide width of bridge 8-1/4" (210mm)
Length of carriage bearing on ways 23" (584mm)
Graduation of apron handwheel .020" (0.5mm)
Travel of carriage per
revolution of handwheel 0.875" (22mm)
Graduation of carriage cross
slide handwheel (direct read) 0.002" (0.05mm)
TAILSTOCK:
Travel of spindle barrel 9-1/2" (241mm)
Diameter of spindle barrel 2-15/16" (75mm)
Taper #5 MT
Tailstock body--length on bed 13-3/4" (350mm)
Length of graduations on
tailstock barrel 6" (152mm)
Type of lubrication system reservoir
BED:
Width of bed 15-3/4"(400mm)
Depth of bed 16-7/8" (429mm)
Hardened & ground inserted ways 44-48 Rockwell C
TAPER ATTACHMENT:
Degrees of taper +/- 10 degrees
Maximum turning length per setting 15-3/4" (400mm)
DRIVE & MOTORS:
Main drive motor 10 HP (7.5KW)
Coolant pump motor 1/4 HP (0.18KW)
MISCELLANEOUS:
Steady rest capacity--minimum 1/2" (12.5mm)
--maximum 6-1/8" (155mm)
Follow rest capacity--minimum 1/2" (12.5mm)
--maximum 7-7/8" (200mm)
Centerline height above floor 44-1/2" (1130mm)
SHIPPING DATA:
Overall width