Craven 1842 x 15000 Heavy-Duty Lathe Machine
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Condition: excellent
Machine Capacities
Height of Centres: 1842 mm
Maximum Distance between Centres: 15240 mm
Overall lenght of Bed: 21457 mm
Width over Bed Shears: 4267 mm
The maximum load on Centres: 100 tons
Angle of Centres: 90°
Maximum Swing in Diameter over Saddles: 3251 mm
Number of Front Saddles: Two
Number of Rear Saddles: One
Number of Auxiliary Screwcutting Slides: One
Number of Auxiliary Milling Attachments: One
Number of Auxiliary Grinding Attachments: One
Headstock Front Spindle Bearing: 610 x 1016 mm
Headstock Rear Spindle Bearing. 379 x 610 mm
Headstock Faceplate Diameter: 3353 mm
Maximum Gripping Diameter Externally: 3099 mm
Minimum Gripping Diameter Externally: 216 mm
Maximum Gipping Diameter Internally: 3518 mm
Minimum Gripping Diameter Internally: 635 mm
Maximum Capacity of open type Pad Stay: 1400 mm
Minimum Capacity of open type Pad Stay: 600 mm
Maximum Load in open type Pad Stay: 75 tons
Maximum Capacity of Stationary Stay: 813 mm
Minimum Capacity of Stationary Stay: 381 mm
Maximum Load in Stationary Stay: 50 tons
Maximum Capacity of Open Type Roller Stay: 2540 mm
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Minimum Capacity of Open Type Roller Stay: 508 mm
Maximum Load in Open Type Roller Stay: 80 tons
Number of Headstock Spindle Speed Changes: Four
Spindle Speeds (four infinitely varible ranges) in r.p.m.:
0,8 to 2,4
2,02 to 6,1
5,2 to 15,7
13,3 to 40
Maximum Horse power Available at: 8 r.p.m (approx) and upwards
Number of Feed changes for Front and Rear Saddles: Six
Sliding Feeds (infinitely variable per minute): 0,8 to 387 mm
Surface Feeds (infinitely variable per minute): 0,4 to 192 mm
Front Top Slides Feeds (infinitely variable per minute): 3/4 Surfacing Feed
Screwcutting with Selsyn Rest: 1 to 25 mm pitch
Traverse of Front Top Slides: 813 mm
Traverse of Rear Top Slide: 229 mm
Traverse of Top Slide on Screwcutting Rest: 1010 mm
AUXILIARY MILLING ATTACHMENT
Number of Milling Spindle Speed Changes:Six
Range of Milling Spuindle Speeds: 40 to 400 r.p.m.
Milling Feeds (infinitely variable):
Longitudinal: 0,8 to 387 mm/minute
Traverse: 0,4 to 192 mm/minute
Milling Feeds to top Slide (infinitely variable): 0,4 to 192 mm/minute
AUXILIARY GRINDING ATTACHMENT
Maximum Diameter to be Ground: 2388 mm
Grinding Spindle Speed: 800 r.p.m.
Size of Grinding Whell: 24" dia. x 10" bore. x 2" wid
Periphery Speed at 24" dia.: 5027 ft/min.
ELECTRIC MOTORS
Main Driving Motor: 100 H.P. at 900 to 300 r.p.m.
Tailstock Traverse Motor: 5 H.P. at 1400 r.p.m.
Tailstock Locking Motor: 3 H.P. at 1400 r.p.m.
Saddle Feed and Quick Traverse Motors: 3 H.P. at 1500 to 500 r.p.m. (3 off)
Selsyn Transmitter on Headstock: 2^1/2 H.P.
Selysn Receiver motor on Screwcutting Rest: 2^1/2 H.P.
Grinding Head Spindle Motor: 5.H.P. at 1400 r.p.m.
Milling Head Spndle Motor: 5.H.P. at 1400 r.p.m.
oil Pump Motors for Headstock & Spindle Lub.: (2 off) each 1 H.P.
Oil Pump Motors for Saddle & Apron Gearing: (3 off) each 1/6 H.P.
Slideway Flushing pumps: (3 off) each 1/6 H.P.
Price : Price On Request | Product ID : 4339 |
Manufacturer : | Model : 1842X1500 |
Year : 1982 | Status : Assembled and Operative |
Origin : United Kingdom | Duration : - |
Last Revision Date : - | Location : - |
Date Added : 14.01.2020 |
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