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TECHNICAL SPECIFICATION
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PROCESSING CAPACITY / WORKING AREA
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| Swing over table |
250 mm |
| Centre Height |
130 mm |
| Distance between centers |
600 mm |
| Grinding Length |
500mm |
| Maximum Grinding Diameter(OD) |
150 mm |
| Minimum Grinding Diameter(OD) |
6 mm |
| Maximum Grinding Diameter(ID) |
100 mm |
| Minimum Grinding Diameter(ID) |
6 mm |
| Part Weight admissible between centres |
60 kg |
| Part Weight admissible in chuck |
50 kg |
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WHEEL HEAD
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| Driving motor power |
3HP/3.7 Kw |
| Circumferential speed |
30 m/s |
| External Grinding wheel size |
300 x 127 x 40 mm |
| Minimum usable size of wheel (OD) |
240 x 127 x 40 mm |
| External Grinding wheel spindle speed |
1900-2100 rpm |
| Internal Grinding Wheel Spindle Diameter |
Ø60 x 250 mm |
| Internal grinding spindle speed range |
15000 -20000 rpm |
| Internal grinding arbors and Quills |
To suit Ø60 x 250 mm |
| Face grinding arbors |
To suit Ø60 x 250 mm |
| Wheel head swivel L.C |
With L.C 1 deg. |
| Wheel Head Swivel range |
± 30° |
| Bore Grinding Capacity |
15 - 100 mm in diameter |
| Rapid Approach |
45 mm |
| In-feed with hand wheel |
40 mm |
| Max plunge feed on dia (Auto) |
Plunge travel 0.4 mm (Radial) 0.8 mm (Dia) |
| Minimum increment on diameter |
0.001 mm |
| In-feed rate on diameter (coarse/ Fine) |
0.06-3 mm/min |
| Spark off time |
0-60 sec |
| Front and Rear Movement Range |
130 mm |
| Grinding wheel In feed Range |
120 mm |
| Universal Wheel head/One external & one internal grinding spindle, The wheel head equipped with maintenance free in built motor spindle with three variable speed control, swivel wheel head. Internal Grinding Attachment, Grinding spindle bearings roller/angular contact bearings of high accuracy, without wear and no play adjustments ensuring minimum maintenance, Machine capable to grind external, Face & Internal Grinding in single setup. |
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WORK HEAD
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| Work head suitable for both grinding between fixed centres and for live spindle grinding. Accuracy of roundness for live spindle grinding as per IS2368. Fine adjustment feature provided for cylindricity corrections of below 1 micron during live spindle grinding. |
| Spindle Speed |
50- 600 rpm. 5 steps |
| Holding Taper Internal |
MT 5 |
| Reduction Sleeve |
MT3 |
| Roundness accuracy |
IS 2368 |
| Workhead Bearings must be protected against Dirt. |
Overpressure filters |
| Driving Power |
0.37 kW |
| Swivel Angle |
120°(90° ccw,30° cw) |
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WORK TABLE
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| Table Stroke |
500 mm |
| Table Speed |
0.03 -5 m/min |
| Maximum swivel of table |
Up to 10° |
| Minimum automatic travel |
2-10 mm |
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TAILSTOCK
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| The Tailstock designed for the use of Morse 3/4 taper centers. Centre pressure adjustment possible to achieve delicate precision grinding of small and thin parts also. The Tailstock fine adjustment possible for finest possible taper correction in the range below 1 micron when grinding between centers. Air cushion provided under the Tailstock for easy relocation during set up. |
| Tailstock with fitting taper |
MT 3 |
| Travel of Quill |
25 mm |
| Quill Diameter |
40 mm |
| Fine Adjustment for taper corrections |
+/- 40 microns |
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HYDRAULLIC UNIT
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| Hydraulic tank capacity |
40 litre |
| Hydraulic motor power |
0.75 kW |
| Pump Capacity |
8 lpm |
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COOLANT SYSTEM
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| Magnetic separator filter system with coolant tank |
Standard |
| Coolant tank capacity |
120 litre |
| Motor power |
0.4 kW |
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MACHINE BASE & GUIDEWAYS
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| The machine base made from a mineral casting or grey cast iron optimized for high rigidity, vibration damping and guarantying longer wheel life and better surface finish, Temperature fluctuations extensively compensated by the favourable thermal behaviour of the machine base, resulting in high dimensional accuracy at all time |
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ACCURACIES
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| Roundness to the Ground workpiece when live spindle |
as per IS 2368 |
| Work piece spindle axis equilibrium measured by face grinding of the work piece in live spindle |
0.01 mm |
| straightness accuracy of the ground work piece on measuring length of 600 mm |
length of 600 mm as per IS 2368 |
| Positional accuracy X Axis for complete stroke |
0.003 mm |
| Repeatability X Axis |
0.002 mm |
| External Grinding wheel spindle run out |
0.005 mm |
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STANDARD ACCESSORIES & FEATURES
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| Dressing device can be mounted on the work head, Mounting arrangements for single point dressing, multi point rotary dressing unit or on table. Machine lighting with LED lamp, Operator safety guard. Wheel Adapter for external grinding wheel, Set of open end wrenches, Internal Grinding Unit, Internal Grinding Arbors, Collets for internal Grinding, set of allen keys, Balancing Mandre, Box Wrench, Static balancing equipment and balancing arbor, Assembly Arbour, Centres for workhead and Tailstock, Dressing Tool Holder for work head on Tailstock, PCD Dressing plate, Reduction Sleeve, Full Carbide tipped centre points, Half Carbide tipped centre points, Ejector Rod, Set of Damping boses, Set of Diamond holder with diamonds, Supporting plate for diamond holder on work head or tailstock, Grinding wheel flange, Collet dia 2 to 25mm with 0.5mm step, Magnetic chuck, Three & Four jaw chuck, Grinding wheels for External & Internal, Manual Draw Bar, Wheel Changing aid, DRO with magnetic scale for both X & Z axes., First Fill of Coolant / Lubricant / Hydraulic Oil, Set of reduction sleeves & set of Drill |
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