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Internal Grinding Machine
Internal Grinding Machine
Bed and Guide Ways - Bed is made of close grained graded casting and heavily ribbed for high rigidity. The hand scrapped V-flat table guide ways lined with Trucite ‘B’ linear bearing material to prevent stick slip motion.
 Work head – Work head spindle speed infinitely variable through DC or AC drive. Spindle hardened and ground runs on precision antifriction P4 grade bearing.
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Infeed system – comprises of hardened & ground feed screw for high positioning accuracy & nut provided with backlash adjustment.
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Dressing Device – Dresser is mounted on main table. Dressing compensation available in automatic grinding cycle.
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Hydraulic and Coolant Unit – Hydraulic P.P with DC solenoid valves & coolant unit are housed outside the machine as a separate unit to facilitate easy maintenance.
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Capacity
- Centre height – 160 mm
- Admit between centre – 550 mm
- Maximum grinding length – 500 mm
Longitudinal slide
- Table speed – 0.1-4m/min.
- Dwell at reversal – 0-30 sec
- Maximum table swivel – 7 degree
In-feed system
- Min in-feed rate on dia – 0.005mm
- Micro feed (optional) – 0.001mm
- Rapid approach – 50 mm
- Auto spark off (optional) – 0-60 sec
- Automatic plunge grinding – (optional)
Workhead
- Speed range (4 speed) - 60 - 350 rpm
- Swivel - ±90 degree
- Spindle Nose Taper - MT 4
- Motor Power - 1 HP/ 1440 rpm
Wheel Head
- Wheel - 350 x 40 x 127
- Speed - 1600 - 2100 rpm
- Swivel - 60 towards workhead
30 towards tailstock
3/5/HP/1440 rpm
Tailstock
- Quill Taper - MT3
- Quill Travel - 20mm
Internal Grinding Attachment (optional)
- Spindle/RPM - 60 x 250 x 18000 rpm
- Min/max grinding diameter - 15/100 mm