Precision High-speed Gap-bed Lathe (LUNAN-1640, LUNAN-1660, LUNAN-1640B, LUNAN-1660B)
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gap bed lathe
1. Bed is made of high tensile cast iron by resin-sand foundary.
2. Bedways, gears and shafts are hardened and ground.
3. Apron, leadscrew, feed rod and starting lever are equipped with safety devices.
4. Universal gear box without change gear for metric/inch threading.
5. Spindle jog button, easy for change speeds.
6. Foot brake for instant headstock stopping and shuting off.
7. Protection systems to meeet CE standards.
8. T-slots on cross slide for special machining.
9. Metric/Inch dials are large and easily read on cross slide and compound.
10. Headstock runs in oil bath.
11. New: with camlock mount.
12. Feed drive gears and apron run in oil bath.
13. Adjustable slip clutch eliminate tooth breakage caused by overload conditions.
14. Large 58mm&82mm spindle bore.
15. Powerful 4kw&5.5kw motor.
16. Complete accessory set.
3-jaw chuck, Oil gun, Reduction sleeve, Wrenches, Centers, Coolant systems.
4-jaw chuck, Face plate, Follow rest, Steady rest, Driving plate.
Digital readout system(2-axis,3-axis) , Quick-change tool post and holders.
LUNAN-1660 LUNAN-1640B, LUNAN-1660B
Max. swing over bed 400mm(16")
Max. swing over cross slide 210mm(8 1/4")
Max. swing over gap 590mm(23")
Distance between centers 1000mm(40") /1500mm(60")
Width of bed 300mm(11 4/5")
Spindle nose(Camlock) D1-6&D6 D1-8&D8
Spindle bore 58mm(2 1/3") 80mm(3 1/5")
Spindle speeds(12Steps) ) 50-2000 r. p. m 40-1600 r. p. m
Metric threads 0.5-7mm(21kinds)
Inch threads 4-56T. P. I. (32kinds)
Module threads 0.5-7mm(21kinds)
Diametral pitch threads 4-56D. P. (32kinds)
Longitudinal feeds range 0.059-0.831mm/r(0.002-0.033in/r)
Cross feeds range 0.019-0.271mm/r(0.002-0.01in/r)
Main motor power 5.5kw
N. W/G. W 1800/2000kg