High Speed Precision Gap-Bed Lathe


  • SN-1840D
  • SN-1860D
  • SND-2040
  • SND-2060

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The machine which is a universal style and multi-purpose use engine lathe, can perform various kinds of working such as internal and external cylindrical surface, tapered surface, facing and grooving, threads of metric, withworth, module and diametral pitch system, as well as drilling, reaming, and thread tapping processing and etc. In the gap-bed lathe can machine large diameter disk of irregular shape workpieces. The machine has the performance reliable quality and easy to operate, and it is an ideal equipment for cutting processing.


  • The headstock, gear–box, apron and bed–ways are made of high quality cast iron, and they are all cast with the resin sand foundry technology.
  • The bed–ways are induction hardened. Its hardness is around HRC 55.
  • The lathe is featured of high efficiency, high precision, high rigidity and excellent cutting performance.
  • The base of the bed is cast into mono–block with a chip space. The structure ensures high rigidity of the whole machine and convenient chip disposal.
  • The spindle supported by 3–pointed high–precision bearings and all gears in headstock are precisely grinded, the spindle turns smoothly at high speed.
  • Foot brake, overload protection, chip guard, longitudinal automatic stop device, point–to–point control in spindle, manual lubrication pump, ensures easy operation and good performance of the machine.
Specification Unit SN-1840D SN-1860D SND-2040 SND-2060
Distance between centers mm 1000 1500 1000 1500
Swing over bed mm 460 510
Swing over cross slide mm 275 320
Swing in gap mm 690 734
Width of bad mm 300
Width of gap mm 275
Spindle nose D6 D8
Spindle bore diameter mm 57 82
Morse taper of spindle center Morse M6
Spindle speed r/min 20-2000 (12 step) 15-1500 (12 step)
Inch system threads TPI 2-56
Metric threads mm 0.5-14
Range of longitudinal feeds mm/rev 0.06-0.82
Range of transverse feeds mm/rev 0.02-0.29
Lead screw diameter mm 35
Lead screw pitch mm 6
Tailstock center taper Morse M4
Max travel of tailstock quill mm 127
Tailstock quill diameter mm 58
Main motor KW 5.5 7.5
Coolant pump motor Watt 90

Standard Accessories

  • Center Sleeve & Center
  • 3 Jaw Chuck ∅ 250 mm
  • 4 Jaw Chuck ∅ 320 mm
  • Face Plate ∅ 400 mm
  • Drive Plate ∅ 250 mm
  • Follow Rest 20-80 mm
  • Steady Rest 20-130 mm
  • Thread Chasing Dial
  • Chip Guard
  • Chuck Cover
  • Coolant System
  • Lighting
  • Illuminating System
  • Foot Brake
  • General Tools

Optional Accesories

  • Tapper Turning Attachment
  • Quick Change Tool Post
  • Digital Read Out
  • Micro Stop for Saddle
  • Micro Stop for Cross Slide
  • Live Center

The descriptions, illustrations and specifications given herein are subject to alteration without notice and thus without any obligation.