SUN MASTER

High Speed Precision Lathe

ML-1740V / 1760V / 1780V / 2040V / 2060V / 2080V

SPECIFICATION

ø80MM SPINDLE BORE (ML Series)  
HEAVY DUTY SPINDLE
  • Proven design on same models but with big spindle bore (80 mm) offering you more efficient, durable operation.
  • Spindle is made from forged alloy steel, hardened, ground & heat treated for dynamical balance.
  • The spindle is supported at three points by high precision taper roller and ball bearings keeping rigidity and accuracy.

APRON
  • R/H or L/H wheel available onup request.
  • Integrated automatic control for longitudinal,cross, forward and reverse feed.

GEAR BOX
Universal Gear box allows inch or metric dial. Turing M.P., D.P. threads without ger change.

HEADSTOCK
  • Housing is vibration resistance, deflection-free.
  • Gears are harened & MAAG or REISHAUER ground.

CARRIAGE & SLIDE
  • Anti-Float design backlash eliminator fitted in cross slide nut.
  • Safety clutch at feed shaft.
  • One shot lubrication in carriage & top slide.
  • Dual dials supply inch system screw.
  • Metric dial supply metric system only.
SAFETY FREATURE
  • Nylon safety gears in end train.
  • Shear pin in leadscrew.

  • E.V.S models with auto lubrication system for headstock. External tank is for oi cooling.
  • All models are one piececast iron constructed.
  • All models are with universal feed gearbox & reversable apron.
  • All models comply with CE.(on request)
  • All models' spindle bore is 80mm (3.149")
  • Spindle type:ASA D1-6
  • All models' cross slide are handened and ground, prolonging machine life time.
STANDARD ACCESSORIES
  • (9" for RML/CL; 10" for ML)
  • Stready rest
  • Full length splash guard
  • Halogen working light
  • Coolant system
  • Back plate for chuck
  • Dead center
  • Spindle center sleeve
  • Level pads x 6 pcs
  • Tool set and box
  • Operation manual & parts list
OPTIONAL ACCESSORIES
  • EVS system
  • (Electrical variable speed system)
  • 3-jaw chuck
  • 4-jaw chuck
  • (9" for RML / CL; 10" for ML)
  • 5C collet closer attachment
  • Driving plate with dog 10"
  • Chuck safety guard
  • Electrical system for CE
  • Protect cover on lead screw
  • Tool post safety guard
  • Taper turning attachment
  • Face plate 12"
  • Drill chuck & arbor 1/2"
  • Rotating center MT# 4
  • Quick change toll post
  • Carriage micro stop set
  • Digital read out system
  • Follow rest
MODEL ML-1740V ML-1760V ML-1780V ML-2040V ML-2060V ML-2080V
Capacity
Height of centers 216 mm (8.5") 254 mm (10")
Swing over bed Ø432 mm (17") Ø508 mm (20")
Swing in gap Ø622 mm (24.48") Ø698 mm (27.48")
Swing over cross slide Ø277 mm (10.9") Ø353 mm (13.89")
Distance between centers 1000 mm (40") 1500 mm (60") 2200 mm (86.5") 1000 mm (40") 1500 mm (60") 2200 mm (86.5")
Width of bed 305 mm (12")
Gap width in front of faceplate 195 mm (7.67")
Headstock and Main Spindle
Spindle nose, internal taper D1-6, Ø85 mm Taper 1/19.18
Spindle center sleeve Ø85 mm Taper 1/19.18 x MT. No.5
Spindle bore Ø80 mm (3.149")
Spindle speed: Gear steps / Range
3 steps / L 30~125 R.P.M.
M 125~450 R.P.M.
L 450~2200 R.P.M. Infinitely variable
Carriage
Cross slide travel 235 mm (9.25") 272 mm (10.7")
Top slide travel 156 mm (6.1")
Threads and Feeds
Whitworth threads: Kinds / Range 45 Kinds / 2~72 T.P.I.
Metric threads: Kinds / Range 39 Kinds / 0.2~14 mm
D.P. threads: Kinds / Range 21 Kinds / 8~44 D.P.
M.P. threads: Kinds / Range 18 Kinds / 0.3~3.5 M.P.
Longitudinal feed 0.04~1.0 mm (0.0015"~0.04")
Cross feed 0.02~0.5 mm (0.00075"~0.02")
Tailstock
Quill diameter Ø59 mm (2.322")
Quill travel 127 mm (5")
Taper of center MT.No.4
Motor
Main spindle AC 5.5 kw (7.5HP), Inverter
Forced lubrication for headstock 1/4HP
Coolant pump 1/8HP
Measurement
Weight (Net /Gross) Approx. 1700 kgs / 2000kgs 1850 kgs / 2150kgs 2375 kgs / 2550kgs 1750 kgs / 2050kgs 1900 kgs / 2200kgs 2425 kgs / 2600kgs
Packing sizes Length 2400 mm (94.5") 2900 mm (114.2") 3700 mm (145.7") 2400 mm (94.5") 2900 mm (114.2") 3700 mm (145.7")
Width x Height Width 1120 mm (44.1") x Height 1745 mm (68.7")