Praga Division

HOME	\| CONTACT US

CORPORATE PROFILE

MANUFACTURING UNITS

SALES NETWORK
- Machine Tool Marketing Division
- Sales & Service Network

PRODUCTS

SERVICES

NEWS ROOM

FINANCIAL DATA
- Annual Reports ( 2021-2022)
- Annual Returns ( 2021-2022)

Home

Praga Division

Praga Division, C.I.E. Gandhinagar, Balanagar, Hyderabad-500 037, AP.

Telephone	91-040-2307 3051(PBX) 91-040-2307 3026 /
Fax	91-040-2307 0061
Email	hmt.pragatools@gmail.com \| pthsales@hmtmachinetools.com
Inception	1943
Managing Director	-
Unit Chief	Mr. S A RAJA BABU General Technical Manager (PTH)
Telephone	91-040-2307 3062
Sales Chief	Mr. GOPI KRISHNA Manager(Sales) M: 8886524243
Telephone	91-040-2307 3026
Fax	91-040-2307 0061

Major Manufacturing Facilities

	Can handle machining of components weighing up to 10 tons
	A range of C NC machines for manufacturing small parts and medium parts
	Tool room with latest facilities
	In-house heat treatment plant

1.1 Thread Rolling Machines :

For Consistent Threading, Spline Rolling, SPL . Form Rolling for high production and repeatability.

Job dia	Length Infeed/Through feed	Max rolling thrust	Motor
512 1 to 50 mm	130 mm / unlimited	12 tonnes	3 Kw
518 3 to 75 mm	160 mm / unlimited	18 tonnes	9 Kw
513 3 to 80 mm	200 mm / unlimited	24 tonnes	9 Kw
514 3 to 100 mm	250 mm / unlimited	36 tonnes	9 Kw

Spline Rolling Machine :
The Process incremental is a revolutionary cold forming process patented by our collaborator Escofier of France. By this process different complex profiles like involute splines, serrations, knurling and helical forms or circular grooves can be cold formed by the interaction of two positively driven cylindrical forming rolls.

Model	Table	Max.Dia (mm)	Motor
541	-	30	20 Kw
542	-	45	35 Kw

Pulley Forming Machine :
Produces Pulley grooves in varieties of pulleys of all automobiles and two wheelers .... in seconds.

Model	Max.	Min	Motor
548	-		-
Dia.of Pulley in (mm)	200	65	-
Blank Thickness in mm	8	3	12.5 Kw

Surface Grinding Machine :
For high quality surface finishing and process capability.

Models: 451, 451P, 451AP, 451AG, 451MP, 452P, 452AP, 452AG, 452 MP.
Precision surface grinder to produce micro surface finish.
Exclusive low pressure hydraulics with monobloc design.

Also available in both series:
- Automatic vertical downfeed
- Automatic grinding cycle
- Flexible automatic grinding cycle controlled through a micro processor based system

Model	Table	Table speed	Motor
451 series	450 x 150 mm	1.5 to 18 metres/min.	0.75 Kw
452 series	625 x 220 mm	3 to 18 metres/min.	1.5 Kw

Cutter & Tool Grinder:
For accurate sharpening and tool maintenance.

Models 411, 414 & 415 with swivel and tilting wheelhead Wide range of accessories for grinding applications.
Model	Wheelhead		Job swing x length (mm)	Table	Motar
	Swivel	Tilt
411	338	-	203/305 x 480 mm	750 x 110 mm	0.55 Kw
414	360	180	203/305 x 480 mm	750 x 110 mm	0.55 Kw
415	360	180	280/390 x 735 mm	1000 x 150 mm	0.75 Kw

Horizontal Machining Centre
For Replacement of Manual Machine, for high accuracy and efficiency, for generating of complex shapes for 24 hours continuous operation and mass production with high accuracy.

Model	Table Size (mm)	Traverses (mm)	Power
H 40 A	400 x 400	500 x 480 x 480	7.5 Kw
H 50 A	500 x 500	630 x 630 x 500	11 Kw
H 50 B	630 x 630	800 x 630 x 500	11 Kw
H 60 A	630 x 630	800 x 800x 630	15 Kw
H 60 B	800 x 800	1000 x 800 x 630	15 Kw

CNC Lathe :
Powerful, accurate, compact, rugged, efficient built with slant bed to give high speed and high performance.

Model	No.of Tools	Swing Over bed	Turning Length (mm)	Spindle Power

CNC Milling Machine :
Wide range of machining , outstanding operatability, stable, high accuracy, perfect chip disposal, mechatronics. For highly efficient machining of small and medium size workpieces.

Model	Table Size (mm)	Traverses (mm)	Spindle Power
231 CNC	1040 x 230	600 x 230 x 560	3 Kw
231 CNC- V	1040 x 230	600 x 230 x 390	3 Kw

Controls : Latest versions of Fanuc / Siemens.

CNC Cutter and Tool Grinder :
For accurate sharpening and tool maintenance with 3 and 4 AXES.

Model	No.of Axes	Table Size (mm)	Traverses (mm)
421	3	750 x 105	415 x 180 x 200
425	4	1000 x 150

Controls : Latest versions of Fanuc / Siemens.

525 x 250 x 275

CNC Surface Grinder :
First of its kind CNC SG with features covering crgonomics, aesthetics and higher accuracies with latest state - of - art CNC controls. This is capable of complex profile dressing and also grinding.

Model	Max. Grinding Width x Length	ModelVertical	MovementPower
455	300 x 600 mm	450 mm	2.25 Kw


Controls : Latest versions of Fanuc / Siemens.

MACHINE TOOLS ACCESSORIES LATHE CHUCKS :

Praga Lathe chucks were first manufactured with the technical collaboration of M/s.Pratt Burnerd, U.K in the year 1960. Praga Lathe chucks are a name then, Praga Lathe chucks are a name to reckon with in the realm of work holding devices both in the domestic and overseas market. Praga Lathe chucks are known for its Precision and accuracy with a price which is very competitive, Its user base accompanies the small workshop to a very large sized organisations such as BHEL, Maruthi udyoug, Hindustan Motors, Indian Railways, Defence organisations etc.,

jaw3

Specifications :
Body:High tensile iron
Jaws:2 sets of 3 hard
Pinions:3 Ni steel, toughened
Scroll:Ni-Cr-Mo steel, with precision cut
spiral. Precision balanced (Conforms to BSS)

d	b	d2	d3-d6	d4	d5	d7	h1	h2	t
100	16	76.2	88.9	M6	25.4	6.75	48.5	65.7	9
160	19	125	140	M10	46	10.5	64.3	86.5	4
200	19	160	176	M10	55	10.5	73	102	4
250	22.5	200	224	M12	76	12.3	84.3	117	5
315	22.5	260	286	M12	103	12.3	90.5	128.5	5

jaw3

Specifications :
Body:High tensile iron
Jaws:1 set of 4 reversible hard
Operating Screws:Ni-Cr-Mo alloy steel
Thrust Bearing:Double bearing from 10" size
Tee Slots:Standard in all chucks from 14" and above
Through Slots:Provided in all chucks from 20" and above (Conforms to BSS)

CHUCK		A	B	C	D	E	F	G	H	J	K	WEIGHT
ins	6	6	2 1/4	1.9/16	5.0005-5.0000	3/16	4.1/8	-	1.1/32	2.1/8	15/16	16	1 b
mm	150	152.4	57.1	39.6	127.0127-127.00	4.8	104.8	4 x M10	26.2	54.0	23.8	7.3	kg

ins	8	8	3.1/8	1.3/4	4.7505-4.7500	1/4	3.7/8	-	1.19/64	3.1/8	1.3/16	34	1 b
mm	205	203.2	79.4	44.4	120.6627-120.65	6.3	98.4	4 x M10	32.9	79.4	30.2	15.4	kg

ins	10	10	3.1/4	2	6.0008-6.0000	5/16	5.1/8	-	1.33/64	3.3/8	1.3/8	60	1b
mm	255	254.0	82.5	50.8	152.4190-152.40	7.9	130.2	4 x M10	38.5	85.7	34.9	27.2	kg

ins	12	12	3.1/2	2.3/4	7.0008-7.0000	1/2	5.7/8	-	1.13/16	3.7/8	xxxx	80	1b
	305	304.8	88.9	69.8	177.8190-177.80	12.7	149.2	4 x M12	46.0	98.4	38.1	36.3	kg

ins	14	14	3.1/2	3	7.0008-7.0000	1/2	5.7/8	-	2.1/16	4.3/8	xxxx	98	1b
mm	355	355.6	88.9	76.2	177.8190-177.80	12.7	149.2	4 x M12	52.4	111.1	38.1	44.4	kg

ins	16	16	3.11/16	3	9.5010-9.50000	5/8	8.3/16		2.1/16	4.3/8	xxxx	126	1b
mm	405	406.4	93.7	76.2	241.3254-241.30	15.9	208.0	4 x M16	52.4	111.1	38.1	57.1	kg

This is the official website of HMT Machine Tools Limited
A Public Sector Undertaking under the Ministry of Heavy Industries,
Government of India

HMT Machine Tools Limited
59, Bellary Road
Bangalore - 560 032
Karnataka, INDIA
Phone: +91-80-2333 8949
Fax : +91-80-2333 8949
E-mail : gmm@hmtmachinetools.com

Last Update:30/03/2018 | You are Visitor No: 303625
© 2014 HMT Machine Tools Limited | Disclaimer | Privacy Policy |
E BARAHA