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Belt Driven Lathes Series-H

Model : H-250, 300, 400, 450, 500

Sailent Features

l	Rigidity and Heavy Duty Performance Robust & simple design.	l	Wiper to protect bed ways from the chips.
l	Rigidity and Heavy Duty Performance Robust & simple design.	l	Adequate lubrication arrangement provided.
l	IS 20/25 Grandad Castings.	l	Generously proportioned saddle & cross slide enables the machine to withstand.
l	Rigid & box section type extra wide bed provides maximum torsional stiffness.	l	Apron is totally enclosed type with clutch sleeve engagement for longitudinal and cross power feed.
l	Bed Heaving 2 vee and 2 flat guide ways.	l	Interlocked safety mechanism in apron between auto feed & threading arrangement.
l	Rigid & accurate, alloy steel hardened & ground main spindle mounted on plain adjustable brass bearings.	l	Needs minimum care and low maintenance cost.

Technical Data	Heavy Duty Belt Drive Lathe Series
MODEL	H-250	H-300	H-400	H-450	H-500
Centre height over flat ways	250 mm	305 mm	400 mm	450 mm	500 mm
Swing over bed	475 mm	575 mm	710mm	840mm	950mm
Swing over saddle	360 mm	460 mm	570 mm	680 mm	825 mm
Swing over cross slide	300 mm	400 mm	490 mm	600 mm	750 mm
Swing in gap	785 mm	885 mm	1150 mm	1300 mm	1400 mm
Width of bed	325 mm	375 mm	500 mm	550 mm	550 mm
Width of gap in front of face plate	200 mm	200 mm	300 mm	300 mm	300 mm
Admit between Centre	1000 to 5000 mm	1000 to 5000 mm	1000 to 8200 mm	1000 to 8200 mm	1000 to 8200 mm
MAIN SPINDLE
Spindle Nose (Thread)	74.3/52-6TPI	74.3/52-6TPI	128/104-6TPI	128/104-6TPI	128/104-6TPI
Std. Spindle bore/Optional	52 mm/104 mm	52 mm/104 mm	104 mm	104 mm	104 mm
Taper bore in spindle	MT-6	MT-6	MT-6	MT-6	MT-6
SPEED
Standard Type of Drive	Flat Belt	Flat Belt	Flat Belt	'V' Belt	'V' Belt
Brass Type Standard	8/30-550	8/30-550	8/30-350	8/30-350	8/30-350
Bearing Type	8/40-700	8/40-700	8/40-400	8/40-400	8/40-400
Optional	'V' Belt	'V' Belt	'V' Belt	-	-
CARRIAGE
Cross Slide Travel	350 mm	350 mm	500 mm	600 mm	600 mm
Compound Slide Travel	200 mm	200 mm	250 mm	250 mm	250 mm
LEAD SCREW
Dia / Threads (TPI)	38.1/4	38.1/4	50.8/2	50.8/2	50.8/2
FULL NORTON : No.
of threads/Range Metric	28/0.5-15	28/0.5-15	19/1-30	19/1-30	19/1-30
Inch	40/2-60	40/2-60	41/1-30	41/1-30	41/1-30
AUTO FEEDS
Longitudinal (mm/re)	0.065 to 2.00	0.065 to 2.00	0.078 to 2.340	0.078 to 2.340	0.078 to 2.340
Cross (mm/re)	0.015 tp 0.048	0.015 tp 0.048	0.015 to 0.048	0.015 to 0.048	0.015 to 0.048
TAIL STOCK
Sleeve Dia	63.5	63.5	101.6	101.6	101.6
Sleeve Travel	200 mm	200 mm	250 mm	250 mm	250 mm
Tapper bore in sleeve	MT-4	MT-4	MT-6	MT-6	MT-6
ELECTRICALS
Power supply	3 HP	3 HP	5 HP	5 HP	5 HP
R.P.M.	1440	1440	1440	1440	1440
Tool Shank	25	25	32	32	32

STANDARD ACCESSORIES :
Hardened & ground Bedways, Dog plate, Four position tool post & Spanner, 2 Nos dead centres, Center Adaptor, Oil tray, Change gear set (for inch & mm), Thread dial indicator, Motor pulley, Nylon flat belt/'V' belts (for Head stock), Spanner set & Instruction Manual, Electricals with suitable switches & junction box.

OPTIONAL ACCESSORIES :
Taper roller bearing head stock, 'V'-Belt drive pully, Increase in spindle bore (in steps of 2"), taper turning attachment, Coolant pump with tank, Splash guard, Rear tool post with extended cross slide (for series 255 & 305 only), Full Norton gear box, Machine lamp, Revolving centre, Pipe centre, Tool post grinder, Carrier plate, Face plate, Pin type Steady rest, Bearing type steady rest, Follow rest, True chuck & Dog chuck.

Note :
Due to technological developments, The illustrations and specifications are not binding in detail and are subject ot modifications and improvements without prior notice.

BED	H-250	H-300	H-400	H-450	H-500
7'	1000	1000	--	--	--
8'	--	--	1000	1000	1000
9'	1600	1600	--	--	--
10'	1900	1900	1600	1600	1600
12'	2500	2500	2200	2200	2200
14'	3100	3100	2800	2800	2800
16'	3700	3700	3400	3400	3400
18'	4400	4400	4000	4000	4000
20'	5000	5000	4600	4600	4600
22'	5600	5600	5200	5200	5200
24'	6000	6000	5800	5800	5800
26'	--	--	6400	6400	6400
28'	--	--	7000	7000	7000
30'	--	--	7600	7600	7600
32'	--	--	8200	8200	8200

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