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4 Guide-way Giant Lathe (52” Bed)

4 Guide-way Giant Lathe is a special type of flat bed lathe. It has one wide bed and 2 pairs of guide ways. Its tailstock and steady rests are placed on the pair of guide ways at the rear side. Thus, we would build the carriage across the 4 guide ways (called full length cross slide) as standard model; this model could stand for very heavy duty machining and has full cross slide travel. Besides, we could build its carriage on one pair of guide way at the front side (called half length cross slide). In this option, the carriage wouldn’t interfere with steady rests and its tailstock; it’s very good at outer diameter machining at one time without removing steady rests.

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Description \ Model 3A-70 3A-80 3A-90 3A-100
Center height  900mm  1000mm  1125mm  1250mm
Swing over bed  1800mm (70.8”)  2000mm (78.7”)  2250mm (88.6”)  2500mm (98.4”)
Swing over cross slide: 1350mm 1550mm 1800mm 2050mm
Full Length (Std.)
Swing over cross slide: 1440mm 1630mm 1870mm 2110mm
Half Length (Opt.)
Width of bed  1345 mm (52.9”) (1575mm with auxiliary guideway)
Distance between centers  3000mm~15000 mm
Spindle nose / bore  A2-15 / Ø210mm (8”) or A2-20 / Ø260mm (10”)
Spindle speed (4 Steps)  6 ~400 rpm (Chucks are excluded)
Tailstock quill diameter  Rotary Quill Ø290 (Std.) or Ø350 (Opt.)
Taper of center  MT#7
Quill travel  300 mm
Cross feeds  0.065 ~ 0.96 ( 48 kinds )
Cross travel 1250 mm (Full Length) or 510mm (Half Length)
Longitudinal feeds  0.13 ~ 1.92 ( 48 kinds )
Compound rest travel  X1: 250mm / Z1: 350mm (Auto Feeding)
Tool size  50 X 50 mm
Lead screw diameter  Ø60mm
Lead screw pitch  2TPI (inch) or 12mm (metric)
Threading range, metric  2 ~ 30 mm / Pitch ( 48 Kinds ) 
Threading range, inch  1 ~ 15 TPI ( 48 Kinds )
Module pitch threads  1 ~ 15 M ( 32 Kinds )
DP. pitch threads  2 ~ 30 P ( 48 Kinds )
Main spindle motor  75 HP (Std.) or 100 HP (Opt.)
Rapid motor  2 HP
Coolant pump  1 HP
Lubrication pump  12 W
52” STANDARD ACCESSORIES
  • Main Motor with Inverter
  • Hydraulic Spindle Disk Brake
  • Auto Lubrication System
  • Coolant System
  • 4-way Tool Post
  • Leveling Bolts & Pads
  • 6-way Rapid Traverse
  • Metric / Inch Community Gear Box
  • Tailstock Dead Center
  • Tailstock Rotary Quill Ø290mm
  • Motorized Tailstock
  • Tool Box with Tools
  • Operation & Service Manual
52” OPTIONAL ACCESSORIES
  • 3-Jaw Chuck
  • 4-Jaw Chuck
  • 4-Jaw Face Plate
  • Steady Rest
  • Heavy Duty Steady Rest
  • Boring Device (only for Full-length Cross-slide)
  • Digital readout
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