The SUMMIT 26-6", 30-6" & 33-6" "Big Hole" engine lathes combine the greatest combination of features available for a lathe in this size range, setting a new standard for machines in this class.
Available in 80" thru 200" center distances, these lathes have just the right amount of engineering to afford simplicity of operation, coupled with plain and simple rugged reliability.
The engineering excellence, fine workmanship, materials and impressive specifications of the SUMMIT "Big Hole" engine lathes assure you of greater production and easy, trouble free operation for years to come.
Download Big Hole Engine Lathes Brochure
Key Features:
- Hardened and precision ground extra wide bedways
- Forged chrome alloy spindle with a 6.1" or Huge 9.1" thru hole
- 18" gap allowing 35", 39" & 41 3/4" swing
- Spindle brake
- Quick change gearbox for cutting inch, metric, module &
diametral pitch
- 4-way rapid traverse
- Two speed heavy tailstock
- Taper attachment
- Option: Rear flange for double chucks on 6.1" thru hole
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Included
Accessories:
- 15 3/4" 3-jaw chuck (6.1" spindle bore)
- 20" 4 jaw chuck (6.1" spindle bore)
- Front & Rear 25" 4 jaw chucks (9.1" spindle bore)
- Steady rest with roller tips (5.9" - 14.9")
- Follow rest
- Full length splash guard
- 4 way tool post
- Halogen work light
- Taper attachment
- Coolant system
- Thread dial
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Specifications: |
Big Hole
Lathes |
| Capacities |
26 Series |
30 Series |
33 Series |
| Swing over bed |
26" |
30" |
33" |
| Swing over cross slide |
18" |
22" |
24 3/4" |
|
Swing over gap |
35" |
39" |
41 3/4" |
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Length of gap |
18" |
| Headstock |
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| Hole thru spindle |
6.1" only |
6.1" or 9.1' |
| Spindle type |
D1-11 |
D1-11 / A2-15 |
| Spindle Speeds (12) |
6.1" hole - 13-800
9.1" hole - 11-700 |
| Chucks |
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| 6.1"
Sindle Bore |
16" 3-jaw
& 20" 4-jaw chucks |
| 9.1"
Spindle Bore |
25" Front and Rear
4 jaw chucks |
| Threads and Feeds |
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Threads per inch - number/range |
(36) 2-28 TPI |
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Metric threads - number/range |
(65) .08-14mm |
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Module threads - number/range |
(22) .5-7 |
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Longitudinal feeds - number/range |
(36) .0019-.0276 |
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Cross feeds - number/range |
(36) .009-.0137 |
| Tailstock |
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Travel of spindle barrel |
9" |
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Diameter of spindle barrel |
3 3/4" |
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Tailstock center |
#5 |
| Bed |
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Width of bed |
18" |
| Drive and Motors |
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Main drive motor |
15 HP |
| Miscellaneous |
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Shipping weight (approximate) (120"cc) |
9,240 lbs. |
9,570 lbs. |
9,790 lbs. |
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