Heavy Duty Lathe with Large Bore Spindle HDL 70/2000

Salient Features :

»	Heavy-duty headstock with main spindle bore of 150 mm and 1000 mm bed width to ensure increased load carrying capacity.
»	Widely spaced carriage is provided with rapid traverse arrangement for saddle, cross slide and top slide.
»	Dia. 1500 mm faceplate to facilitate facing operation on large components.
»	AC Induction motor for spindle drive.
»	Twenty-one spindle speeds, selected by lever.
»	High precision antifriction bearings for the hardened and ground main spindle.
»	Hardened and ground bed guideways.
»	Carriage guideways are fixed with antifriction turcite liners for stick-slip-free movement.
»	4-Station manually indexable tool post.
»	Rigid tailstock with hardened and ground sleeve with built-in rotating center.
»	Chucks, special accessories and work holding devices in accordance with customer requirements.
»	Can be offered with up to 5000 mm centre distance with unsupported job weight carrying capacity of 8000 kg.

Specifications :

Height of centers	mm	710
Swing over bed guideways	mm	1350
Swing over cross slide	mm	1050
Swing in gap	mm	1600
Distance between centers	mm	1500 / 2000 / 3000
Bar passage/Spindle bore	mm	150
Spindle power (100%)	kW	30 (1500 rpm)
Speed range	rpm	5-500
Feed range - Longitudinal - No. / Range	mm	93 / 0.03-6.4 per revolution
Feed range - Transverse - No. / Range	mm/rev	81 / 0.024-3.2 per revolution
Rapid traverse of saddle / cross slide	m/min	3 / 1.5
Slide traverse - Top / Cross	mm	380 / 850
Metric threads	mm	55 threads 0.5-112 mm pitch
Inch threads	tpi	64 threads ¼ - 56 TPI
Tailstock sleeve stroke	mm	325
Job Weight		Without Steady	With one Steady	With two Steadies
Maximum permissible weight between centers	kgf	5000	6000	7000
Maximum permissible weight on 1500 face plate with center of gravity of job not exceeding 250 mm from the face of the spindle	kgf	2000