Summit GAP BED ENGINE LATHE 1500 RPM 20X4X120

20" X 120" SUMMIT GAP BED ENGINE LATHE
20X4X120
New Date: 1986



CAPACITIES:
Swing Over Bed: 20-1/2"
Swing Over Cross Slide: 13"
Swing Over Gap: 30"
Length of Gap: 15-3/8"
Length of Gap in Front of Face Plate: 10-1/2"
Distance Between Centers: 120"

HEADSTOCK:
(12) Spindle Speeds: 22 to 1500 RPM
Hole Thru Spindle: 4-1/8"
Spindle Nose Type: D1-8 Cam Lock
Headstock Center: #5 MT
Number of Bearings on Spindle: 3
Headstock Length on Bed: 21-1/4"

QUICK CHANGE GEARBOX:
(56) Threads per Inch: 3/4 to 92
(35) Metric Threads: .25 to 23
(26) Module Threads: .25 to 11.5
(56) Diametral Pitch: 1.5 to 184
(56) Longitudinal Feeds: .0009 to .112
(56) Cross Feeds: .0004 to .056
(56) Metric Feeds: .0235 to 2.84
Leadscrew Diameter/Threads: 1-3/8" to 4 TPI
Feed Rod Diameter: .863"
Lubrication System: Oil Bath

CARRIAGE & APRON:
Cross Slide Travel: 13-3/4"
Cross Slide Depth of Bridge: 4-1/2"
Cross Slide Width of Bridge: 8-5/8"
Compound Rest Travel: 6-1/4"
Compound Rest Width: 5-1/2"
Length of Carriage Bearing on Ways: 22"
Graduation of Apron Handwheel: .01
Travel of Carriage per Revolution of Handwheel: 1"
Graduations of Carriage Cross Slide Handwheel (Direct Reading): 002"
Travel of Cross Slide per Revolution of Handwheel: .250"
Height from Top of Compound to Centerline of Lathe: 2-3/8"
Maximum Tool Holder Size: No. 6
Type of Lubrication System: Reciprocating Pump

TAILSTOCK:
Travel of Spindle Barrel: 8-1/2"
Diameter of Spindle Barrel: 3"
Taper of Center: #5 MT
Tailstock Body Length on Bed: 13-3/8"
Length of Barrel Graduations on Spindle: 8"
Type of Clamping on Bed: Bolts and Lever Clamp
Type of Lubrication System: Reservoir

BED:
Width of Bed: 13-3/4"
Depth of Bed: 16-1/2"
Hardness of Bed (Rockwell C): 44 to 52

TAPER ATTACHMENT:
Taper in Inches per Foot: +/- 7"
Degrees of Taper: +/- 15°
Maximum Turning Length per Setting: 22"

EQUIPPED WITH:
19-1/2" 4-Jaw Chuck
12-1/2" 3-Jaw Chuck
Steady Rest
Follower Rest
Taper Attachment
4-Way Tool Post
Chip Pans
Manual

DRIVE & MOTORS:
Type of Input Drive: Vee Belt
Number of Vee Belts: 3
Coolant Pump Motor: 1/4 HP
Main Drive Motor: 7.5 HP
Wired for 3 Phase, 60 Cycle, 220 Volts

MISCELLANEOUS:
Steady Rest Min./Max. Capacity: 19/32" to 7"
Follow Rest Min./Max. Capacity: 19/32" to 7"
Face Plate Diameter: 23-1/2"
Centerline Height Above Floor: 45-1/4"



DIMENSIONS:
Overall Size: 185" LR x 48" FB x 67" High
Overall Weight: 7,200 Lbs.