(1) NEW SUMMIT PRECISION ENGINE LATHE, MODEL #: 20-4 X 80B

Brand
SUMMIT

Model
20-4 x 80B

Type
Lathes, Engine

Stock #
83158

Condition
New

Year
N/A

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Files

Summit 20-24-28 Manual Lathes.pdf

SPECIFICATIONS
FILES & ATTACHMENTS

Equipped With

SPECIFICATIONS:
Capacities:
Swing over bed: 20 1/4”
Swing over cross slide: 11 7/8”
Swing over gap: 27 5/8”
Length of gap: 15”
Length of gap in front of faceplate: 8 3/8”
Workpiece Weights:
At the headstock: 400 lbs.
Between chuck and tailstock: 2,000 lbs.
Between chuck and tailstock w/steady rest: 4,000 lbs.
Headstock:
Spindle speeds (no.) range RPM: (15) 11.5-1400
Hole through spindle: 4 1/8”
Spindle nose: D1-8 Camlock
Headstock Center: #6 MT
Quick Change Gearbox:
Threads per inch (no.) range: (64) ¼ - 60
Metric threads (no.) range: (64) .5 - 120
Module threads (no.) range: (64) .125 - 30
Diametral Pitch (no.) range: (64) 1 - 240
Longitudinal feeds (no.) range: (124) .00145-.44474
Cross feeds (no.) range: (56) .0007-.22237
Leadscrew (Dia) range: (2”) 2 TPI
Feed rod diameter: 1”
Carriage & Apron:
Cross Slide Travel: 12 ½”
Compound rest travel: 5 3/8”
Graduation of apron handwheel: .020
Graduation of cross slide handwheel: .002 (Dir read)
Tailstock:
Travel of spindle barrel: 9 ½”
Diameter of spindle barrel: 3 ½”
Taper of center: #5 MT
Two Speed: 1:1, 4:1
Bed:
Width of bed: 15 ¾”
Depth of bed: 16 7/8”
Hardness of bed (Rockwell C): 42-48
Taper Attachment:
Degrees of taper: +/- 10 Degrees
Maximum turning length per setting: 15 ¾”
Motors:
Main Drive: 10 HP
Coolant pump: ¼ HP
Steady and Follow Rest:
Standard Steady Rest: ½”-6 1/8”
Extra Capacity Steady Rest: 5” – 11”
Follow rest: ½”- 7 7/8”
Shipping Data:
Overall width: 48”
Overall height: 60”
Overall length: 156”
Weight: 7,700 lbs
Electrics:
220/440/3/60
FEATURES:
* Big 4 1/8” thru hole
* Inch/metric threads w/single switch lever
* Cuts most inch/metric threads without change gears
* Hardened & ground bedways
* Force lubrication to the headstock, carriage and bedways
* Mechanical disc clutch
* Removable gap
* Precision (3) bearing spindle
* Crossfeed and threading safety interlock
* Feed reversing at the apron
* 4-way rapid traverse
* Single lever control for feeds and rapids
* Two Speed Tailstock
EQUIPPED WITH:
* Standard Steady Rest
* Extra Capacity Steady Rest w/Rollers
* Follow Rest
* Thread Dial
* Coolant System
* Taper Attachment
* 12” 3 Jaw Chuck w/2 Piece Jaws
* Carriage Stop
* Work Light
* Full Length Splash Guard
* Service Wrenches & Spanners
NOTES:
SPECIFICATIONS SUBJECT TO VERIFICATION
OPTIONAL FEATURES:
12” Steel Body Precision Chuck w/2 Piece Jaws in Lieu of Standard Chuck: $2,600.00
15 ¾” Semi-steel 4 Jaw Chuck: $3,800.00
15 ¾” Steel Body 4 Jaw Chuck w/2 Piece Reversible Jaws: $4,500.00
Aloris Quick Change Tool Post w/Holders (2#1, 2#2): $1,500.00
Fagor 2 Axis Digital Readout Installed: $4,100.00
**Installation Assistance: TBD
DELIVERY:
SUBJECT TO STOCK

Files

Summit 20-24-28 Manual Lathes.pdf

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(1) NEW SUMMIT PRECISION ENGINE LATHE, MODEL #: 20-4 X 80B

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