Machine Tools·Horizontal Lathe

SUMMIT 20" x 120"B Lathe, NEW (no 4J chuck)

Sold by A M Metalmaq·Available·Last verified 4h ago

Manufacturer: SUMMIT
Model: 20-4 x 120B
Year: 2000
Condition: New

Description

SUMMIT 20" x 120"B Lathe, NEW (no 4J chuck) STANDARD ACCESSORIES: Thread dial, Standard steady rest w/rollers (1/2" to 6-1/8" cap.) Follow rest, Coolant system, Taper attachment, 12-1/2" diameter 3 jaw chuck with top two piece jaws (semi-steel body) Turret carriage stop, Four way rapid traverse, Work light and 10 HP main motor OPTIONAL ACCESSORIES: BISON 16" dia. 4 jaw chuck, direct mount, semi-steel body (150 lbs) 1,700.00 BISON 20" dia. 4 jaw chuck, direct mount, semi-steel body (250 lbs) 2,600.00 NEWALL "DP700" two axis digital readout system. . . . . . . . . . . 4,350.00 Installation of NEWALL digital readout system . . . . . . . . . . . 600.00 DORIAN quick change toolpost with five holders. . . . . . . . . . . 1,250.00 Inland freight to your facility (estimated) . . . . . . . . . . . . 2,500.00 ELECTRICS: 220/440/volt, 3 phase, 60 Hz. SPECIFICATIONS: SUMMIT MODEL 20-4 x 120B 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 120" (3000mm) 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) 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 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) 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 (W x H x L) 48" x 60" x 184" 1220mm x 1525mm x 4925mm Weight (approx) 7,800 lbs (3,545 kgs)

Specifications

Apron Handwheel Graduation (mm)	0.5
Bed Depth (mm)	429
Bed Hardness Rockwell (c)	44-48
Bed Width (mm)	400
Carriage Bearing Length (mm)	584
Carriage Cross Slide Handwheel Graduation (mm)	0.05
Centerline Height Above Floor (mm)	1,130
Compound Rest Travel (mm)	136
Compound Rest Width (mm)	150
Coolant Pump Motor (kW)	0.18
Cross Slide Depth Of Bridge (mm)	120
Cross Slide Travel (mm)	290
Cross Slide Width Of Bridge (mm)	210
Distance Between Centers (mm)	3,000
Follow Rest Capacity Max (mm)	200
Follow Rest Capacity Min (mm)	12.5
Frequency (Hz)	60
Headstock Center	No 6MT
Length Of Gap (mm)	380
Main Drive Motor (kW)	7.5
Main Spindle Bearing Inside Diameter (mm)	130
Main Spindle Bearing Outside Diameter (mm)	220
Maximum Turning Length Per Setting (mm)	400
Metric Threads Count	64
Metric Threads Range	0.5 to 120
Overall Height (mm)	1,525
Overall Length (mm)	4,925
Overall Width (mm)	1,220
Phase	3
Spindle Bearings Count	3
Spindle Hole Diameter (mm)	105
Spindle Nose Type	D1-8 camlock
Spindle Speed Max (RPM)	1,500
Spindle Speed Min (RPM)	11.5
Spindle Speeds Count	15
Standard Chuck Diameter Inches	12.5
Standard Chuck Type	3 jaw
Steady Rest Capacity Max (mm)	155
Steady Rest Capacity Min (mm)	12.5
Swing Over Bed (mm)	515
Swing Over Cross Slide (mm)	300
Swing Over Gap (mm)	700
Tailstock Body Length (mm)	350
Tailstock Spindle Barrel Diameter (mm)	75
Tailstock Spindle Barrel Travel (mm)	241
Tailstock Taper	#5 MT
Taper Attachment Degrees	10
Threads Per Inch Count	64
Threads Per Inch Range	1/4 to 60
Voltage (v)	220/440
Weight (kg)	3,545