Top Seller
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Location:
Hialeah, FL
Manufacturer:
Summit

Specifications

Condition:
used
Stock number:
5716
Division:
Metalworking
Electrics:
220/440/volt, 3 phase, 60 Hz.
Specifications:
SUMMIT MODEL 28-4 x 80B LATHE
--semi-steel body chuck:
2,800.00
Inland freight to your facility:
TBA
Subcategory:
Lathes, engine

Description

STANDARD ACCESSORIES:
Thread dial, Steady rest w/rollers, Oversized steady rest w/ rollers,
Follow rest, Coolant, Taper attachment, Four way rapid traverse,
12" dia. three jaw chuck with top two piece jaws, Halogen worklight
Longitudinal carriage stop, and 15 HP main motor
OPTIONAL ACCESSORIES:
NEWALL "C80" two axis digital readout system. . . . . . . . . . . . 3,495.00
Installation of NEWALL digital readout system . . . . . . . . . . . 500.00
DORIAN quick change toolpost with four holders. . . . . . . . . . . 1,250.00
Bison 12" dia.three jaw chuck with top two piece jaws--in lieu of
standard 3 jaw chuck listed in standard accessories above
--semi-steel body chuck. . . . . . . . . . . . . . . . . . . . 2,800.00
Inland freight to your facility . . . . . . . . . . . . . . . . . . TBA
ELECTRICS: 220/440/volt, 3 phase, 60 Hz.
SPECIFICATIONS: SUMMIT MODEL 28-4 x 80B LATHE
CAPACITIES:
Swing over bed 28-1/2" (725mm)
Swing over cross slide 19-5/8" (500mm)
Swing over gap 36-1/2" (930mm)
Length of gap 15" (380mm)
Length of gap in front of faceplate 8-3/8" (213mm)
Distance between centers 80" (2032mm)
HEADSTOCK:
Spindle speeds--number 21
Spindle speeds--range 20 to 1250 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)
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
CARRIAGE & APRON:
Compound rest travel 5-3/8" (136mm)
Compound rest width 5-7/8" (150mm)
Cross slide travel 15-1/4" (390mm)
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)
BED:
Width of bed 15-3/4" (400mm)
Depth of bed 16-7/8" (429mm)
Hardened & ground inserted ways 42-48 Rockwell C
TAPER ATTACHMENT:
Degrees of taper +/- 10 degrees
Maximum turning length per setting 15-3/4" (400mm)
DRIVE & MOTORS:
Main drive motor 15 HP (11KW)
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)
SHIPPING DATA:
Overall (W x H x L) 48" x 75" x 141"
1220mm x 1525mm x 3581mm
Weight (approx) 7,700 lbs (3,500 kgs)