Estd. 1987

Sales: +91-9810112341  |  Technical Support: +91-9212268113

Delhi ι Gurgaon

All Geared Lathe Machines - Nagmati 235/1 to 235/6 (6' - 20')

 

 

 

 


 

Special Features

Rigidity and heavy duty performance
• Robust IS 25 graded castings.
• Rigid and box section type extra wide bed provides maximum torsional stiffness.
• Rigid and accurate, alloy steel, hardened & ground man spindle mounted on precision taper roller bearings.
• Speeds range from 35 to 1500 RPM with 5 HP motor.
• Force lubrication in headstock.
• Apron with oil bath.
• Interlock for thread and feed mechanism (only one can be engaged at a time).
• Full length cross slide to accommodate rear tool post or copying attachment.
• Heavy square body tailstock with 60 mm sleeve.
• Sliding type coolant and chip tray.
• Electrical overload protection through relays and contactors.

Built-in accutacy :
• All major casting artificially seasoned for retaining built-in accuracy.
• Critical components precision machined on imported mother machines.
• Induction hardened and ground and alloy steel gears mounted on precision spline shafts & running in oil bath.
• Flame hardened and ground bed for minimum wear.
• Alloy steel lead screw threads cut on WMW thread milling machine.
• Each machine tested to IS: 1978 (Part l) 1993.

Versatility:
• Built-in gap bed.
• Extra height of centers for larger jobs (optional).
• Norton gear box for selection of wide range of feeds and threads.
• Instanteous spindle reversal while threading by swich shaft lever attached with carriage.
• Wide variety of optional accessories for higher productivity.

Interchangeability:
All components machined using jigs & fixtures on imported mother machines to close tolerances thus providing easy interchangeability.


Technical Specifications for model : HGN-1, 2, 3, 4, 5, 6

 

  Capacity   Standard Optional
  Centre height over flat ways mm 235 305
  Swing over bed mm 455 595
  Swing over cross slide mm 255 395
  Swing in gap mm 760 900
  Width of gap in front of face plate     mm 200 200
  Bed width mm 325 325
  Admit Between Centers     Bed Length
  235/1 mm 1035 2200
  235/2 mm 1550 2700
  235/3 mm 2000 3170
  235/4 mm 2500 3670
  235/5 mm 3200 4380
  235/6 mm 4000 5280
  Main Spindle      
  Spindle nose dia./threads mm/TPI 74.6x6TPI  
  Spindle bore dia. mm 52  
  Taper bore in spindle   MT-6  
  Carriage      
  Cross slide travel mm 240 310
  Compound slide travel mm 120  
  Tail Stock      
  Sleeve dia. mm 60  
  Taper bore in sleeve mm MT-4  
  Sleeve travel mm 180  

 

  Speeds    
  Number / Range RPM 8 / 35-1500
  Feeds    
  Number   54
  Range:    
  Longitudinal mm/rev 0.017 to 0.998
  Cross mm/rev 0.0041 to 0.2410
  Lead Screw    
  Diameter/Threads mm/TPI 38/4
  Threads    
  Range:    
  Metric No./Pitch (mm) 17/0.5 to 6
  Inch No./TPI 54/224 to 4
  Electrical    
  Power supply   440 V, 3 Phase, 50 hz
  Main motor KW (HP) 3.7 (5)
  Coolant motor KW (HP) 0.11 (0.5)
  Accuracy    
  Geometrical and practical accuracies,
Confirm to IS: 1978 (Part l) 1993.
   

 

Dimension          
Model Floor Space occupied (mm) Approx weight (kg) Approx size of case (mm) Volume of case (mt≥)
    Nett Gross    
235/1 2440 x 1450 1575 1825 2740 x 1105 x 1370 4.15
235/2 3010 x 1450 1675 1975 3200 x 1105 x 1370 4.84
235/3 3460 x 1450 1875 2225 3700 x 1105 x 1370 5.60
235/4 4125 x 1450 1975 2375 4370 x 1105 x 1370 6.62
235/5 5000 x 1450 2500 3500 5070 x 1105 x 1370 7.68
235/6 5780 x 1450 3200 4200 5800 x 1105 x 1370 8.78

 

Standard Accessories

Four position square tool post. Driving plate. Centre adaptor. Dead centers (MT-4-2 Nos) Electric motor, starter. Spindle reversal shaft. Change gear set for metric and inch threads. Thread dial indicator. Tool post spanner Instruction Manual, V-Belt, Norton Gear box.

 

Optional Accessories

Taper turning attachment (300 length x 250 Dia. max) Coolant pump with tank and electrical fittings. Machine lamp. Long cross slide with rear tool post. three jaw self centering and four jaw independent chucks. Chuck flange. Quick change tool post. 305 mm heigh of centre. Face plate, Steady rest, Follow rest, Rear splash guard.

 

Note : As improvements are constantly made in our machine, the specification are subject to change without notice and are not binding on us.

 

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