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Big Swing Geared Head and Variable Speed Metal Lathes

6.1″ Spindle Bore, Swings: 35″, 42″ & 52″, Center Distances: 60″, 120″, 160″, 200″ & 240″

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Summit® Big Swing Geared Head and Variable Speed Lathes (35″, 42″ and 52″) have set a new standard among machining tools in this size range with their large workpiece capacity and  depth and combination of “standard” features. These lathes are available in stepped speed and variable speed models and in center distances from 60″ to 240″. Summit Big Swing Precision Lathes have 35″ to 52″ swing over the bed and 19.3″ to 37″ swing over the cross slide.

  • Clutched headstock for more precise control & long-lasting reliability
  • Dynamically balanced anti-friction mounted shafts for smooth, accurate and reliable cutting
  • Forged, chrome alloy spindle with big 6″ thru hole for maximum workpiece flexibility
  • Cast iron construction provides a solid foundation for vibration absorption and rigidity
  • Induction hardened & precision ground bedways for long-lasting accuracy
  • 27.5″ wide fully ribbed closed grain cast bed accommodates large workpieces
  • Quick change gearbox will cut American (inch), Metric and Module threads
  • Rapid traverse on carriage (4-way joystick)
  • 2-speed tailstock for faster setups
Included Accessories
  • Thread dial
  • Steady rest
  • Follow rest
  • Coolant system
  • Taper attachment
  • Work light
  • Full-length splash guard
  • 3 jaw chuck
Specifications: 35″, 42″ & 52″ Swing Series Variable Speed Swing Series
Capacities
Swing over bed 35″ 42.9″ 50.9″ 35″ 42.9″ 50.9″
Swing over cross slide 19.6″ 27.5″ 37.4″ 19.6″ 27.5″ 37.4″
Swing over gap 41.7″ 49.6″ 59.4″ 41.7″ 49.6″ 59.4″
Headstock
Hole thru spindle – available sizes 6.1″
Spindle speeds (number) 24 Infinitely Variable
Spindle speeds (range) 6.3 – 1250 RPM 2.6 – 700 RPM
Spindle nose A2-15
Threads
Threads per inch – number/range (80) 1/16 – 60
Metric threads – number/range (80) .5 – 480
Tailstock
Travel of spindle barrel 9.8″
Diameter of spindle barrel 4.9″
Tailstock center #6 MT
Bed
Width of bed 27.5″/700mm
Motor
Main drive motor 30 HP 40 HP
Miscellaneous
Shipping weight (approximate) (120″/3000mm) 19,100 lbs. 20,800 lbs. 21,800 lbs. 19,100 lbs. 20,800 lbs. 21,800 lbs.
Summit Machine Tool
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Summit Machine Tool
518 N Indiana Ave
Oklahoma City, OK 73106

Toll Free: (800) 654-3262
Local: (405) 235-2075
Fax: (405) 232-5169
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