Estd. 1987

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Delhi ι Gurgaon

Cylindrical & Centreless Grinder / Cutter Grinder - Sigma Universal Tool & Cutter Grinders (UTC 250 T)






Functional Versatility

The machine basically designed for sharpening and reconditions wide range of high speed and carbide tipped tools as Side & Face Milling Cutters, Cylindrical cutters, Angle cutters, Convex & Concavecutters, Gear Hobs, End Mills, Shell Mills Reamers, Drills, Taps etc.



Wheel Head : it is of rigid construction and holds the spindle assembly. It can be flitted horizontally and swiveled vertically full 360 degree, for quick setting of compound angles. Wheel head is mounted on the rigid column, which can be raised/lower up/down. Wheel head also can be adjusted 150mm on cross direction.
Wheel Head Spindle: Alloy steel hardened and ground spindle is mounted on precision pre-loaded radial ball bearings, which are greased packed. The grinding wheels can be mounted on both sides of the spindle and the wheels mount design is such that the spindle can be reversed.

Work Table : This is mounted on the carriage and can be swiveled 45 degree on either side of the column. This table has a smooth and rapid movement longitudinally on the carriage through a roller chain guided and Supported on jibs. Slow movement is through a reduction gearbox. Change over from rapid to slow movement is through a push/pull knob. The precise movement on roller chain enables smooth, sensitive and accurate longitudinal movement even with heavy jobs. The adjustable reversing dogs on the worktable are spring loaded for shockproof reversal of table. Auxiliary Table: This table is mounted on worktable and can be fine adjusted 9 degree on either side. It carries the work head & tail stock, between which jobs are mounted.

Universal Work Head : This can be swiveled full 360 degree in both Horizontal and Vertical planes. It can hold job up to 600mm with the aid if raising blocks. It’s spindle nose has ISO 50/MT 5 tapes and the spindle is mounted to taper roller bearings.



  Max, swing on std. centre mm 225 250 250 280
  Swing with raising blocks mm 300 350 350 380
  Length between work head          
  And RH tailstock mm 330 330 520 610
  Admit between centers mm 440 440 670 760
  Max. Height Centre of wheel          
  Above table mm 250 300 300 380
  Longitudinal traverse mm 300 400 480 510
  Cross traverse mm 130 200 250 250
  Swivel either side of centre          
  (End scale) Degrees - - 9 9
  Swivel LH/RH of column          
  (Centre scale) Degrees 45º/45º 45º/45º 45º/45º 45º/45º
  Size of table mm 650 x 100 750 x 115 920 x 140 1010 x 140
  Vertical adjustment of wheel head mm 175 210 210 290
  Swivel Degrees 360º 360º 360º 360º
  Tilting in either direction Degrees 180º ± 180º ± 180º ± 180º ±
  Spindle speed r.p.m 3800/5600 3800/5600 3800/5600 3800/5600
  Motor power KW/HP 0.37/1 0.75/1 0.75/1 0.75/1
  Net weight of the machine Kg. 400 750 1150 1250
  Gross weight of the machine Kg. 500 900 1350 1450
  Overall size of machine LxWxH mm 900x800x1200 1075x1100x1400 1325x1170x1460 1325x1170x1460
  Overall size of packing case          
  L X H X H mm 1000x950x1350 1200x1280x1550 1450x1350x1600 1450x1350x1600



• Universal cutter head with Mt-3 adopter sleeves
• Box structure design, heavily reinforced with ribs, provides high rigidity and stability.
• Left hand centre tail stock
• Diamond holder (excluding)
• Plain tooth rest and extension and micro adjustment to blade
• Centre height gauge
• Centre with Morse taper no. 3.
• Wheel guards with guard holder – 3 nos
• Grinding wheels – 3 nos
• All necessary spanners and wrenches
• Suitable electricals
• Maintenance and instructions manual.



• Cylindrical external grinding attachment
• Cylindrical internal grinding attachment
• A) swivel vice B) Two way swivel vice. C) Universal 3-way swivel vice
• Face, milling cutter grinding attachment
• Radius grinding attachments
• Long reamer grinding attachment
• Gear milling cutter grinding attachment
• Angular wheel dressing attachment
• Radius dressing attachment
• Hob grinding attachment
• Dust exhausting unit
• Static wheel balancing unit
• Collapsible bellows for column



• Collect Attachment & Collets
• 4” Self Centering Chuck
• Positive Indexing Attachment
• Extension Piece for Internal grinding Spindle
• Cutter Arbores
• Wheel Flanges
• Dressing Diamond
• Machine Lamp with Transformerz


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