Reference Number: 126683

"NEW" TOS UNIVERSAL CENTRE LATHE 
MODELS: SN50C/1000, SN50C/1500, SN50C/2000
 
FEATURES
 - Small steady rest, (10-115mm) 1/2" - 4 1/2" capacity
 - Follow rest, (10-115mm) 1/2" - 4 1/2" capacity
 - "TOS" 3-jaw 10" (250mm) chuck (mounted)
 - Bronze nuts on lead screws
 - Rapid Traverse
 - Full rear splash guard
 - Halogen work Lamp
 - Automatic lubrication to carriage slide guideways
 - Hardened-precision ground bedways
 - All-geared headstock with hardened and ground gears and 
   spline shafts, anti-friction bearings and forced, 
   filtered oil circulation.
 - Spindle with American Standard D1-6 nose, supported in
   adjustable NNK Double row roller bearing and opposed 
   angular contact thrust bearings.
 - Multi-disc clutch and brake, for forward and reverse
   control
 - Quick change gearbox, completely enclosed, with oil
   circulation and a large number of feeds
 - Inch and metric thread cutting
 - Gap bed for extra swing and delta-beam section for 
   extreme twist resistance and easy chip disposal.
 - Single lever four way directional feed control on 
   carriage with adjustable safety feed clutches
 - Electro Dynamic Braking for Emergency Stopping

STANDARD EQUIPMENT
 - Complete N. American approved electrics for 220 or 460V,
   3 phase, 60 Hz
 - Coolant system attachment
 - Choice of T-slotted compound or 4-way tool turret
 - Chip tray
 - Driving plate
 - Two dead centres
 - Reducing sleeve for spindle
 - Set of change gears for 11.5, 13 & 27 t.p.i.
 - Threading dial
 - Leveling Screws 
 - Set of service tools
 - Operation and maintenance manual and precision test
   certificate

SPECIFICATIONS
Working Capacity:
Swing-over bed, (500mm)...................... in.  20
     -over cross, slide (270mm).............. in.  10.62
     -in gapr, (700mm)....................... in.  27.55
Distance between centers of SN50C/1000....... in.  40
Distance between centers of SN50C/1500....... in.  60
Distance between centers of SN50C/2000....... in.  80
Maximum weight of workpiece, (300 kg)........ lbs. 661
Width of gap in front of faceplate, (230mm).. in.  9.05
Width of bed, (340mm)........................ in.  13.38
Main motor, (5.5kw).......................... HP   7.5

Spindle:
Bore, (52 mm)................................ in.  2
Speeds - total number........................ #    14
Speeds - range (over two ranges)............. rpm  22.4-2000
Taper in sleeve.............................. MT   #4

Carriage:
Number of longitudinal and cross feeds....... #    38
- longitudinal feeds................. in/rev 0.002 - 0.242
- cross feeds........................ in/rev 0.001 - 0.012
Threads - metric............................. mm   0.5-40
Threads - witworth........................... t.p.i. 1-80
Leadscrew - diameter, (40mm)................. in.   1.57
Leadscrew - pitch............................ in.   1/4
Rapid traverse - cross, (1500mm/min)......... in/min 60
               - longitudinal (3000mm/min)... in/min 120

Tailstock:
Diameter of barrel, (70mm)................... in    2.75
Taper........................................ MT    #5
Travel of barrel, (180mm).................... in.   7.08

Machine Dimensions & Weight (approx.)
Length, with 40" centers..................... in.   102
Length, with 60" centers..................... in.   121
Length, with 80" centers..................... in.   141
Width........................................ in.   43.30
Height....................................... in.   58
Weight with 40" center length................ lbs.  3707
Weight with 60" center length................ lbs.  3927
Weight with 80" center length................ lbs.  4158

Optional Equipment:
- (LSR/SN/50)  Large Steady rest, 170-250 mm dia. 
- (SRS/SN/345) Set of roller sleeves for steady rests 
- (FJF50/6)    4-Jaw faceplate, 500 mm dia. (camlock D1-6) 
- (PFP50/6)    Plain faceplate, 500 mm dia. (camlock D1-6)
- (MLS/SN/345) Micrometer length stop
- (MCS/SN/345) Micrometer cross stop
- (TTA/SN/345) Taper Turning Attachment
- (IU200/3P)   "Tos" 3-jaw 200mm high accuracy chuck 
               (plainback)
- (FL200/6)    Flange (backplate) for chuck 200mm 
               (camlock D1-6)
- (LCMT5)      "SKODA" Live Centre, Morse taper no. 5