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GRINDING MACHINES FOR BEARING INDUSTRY |
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1. Precision Inner Race Track Grinder |
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Inner Race Track Grinding machine offers the best solution for the grinding bearing races and other automobile components. It meets the requirement of high dimensional accuracy in respect of circulatory and square ness with very fine surface finish in large production runs. Automatic grinding cycle includes rapid in feed, coarse feed, fine feed, spark off and home position. Dressing is done by wheel head mounted radius dresser. |
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Specification |
Unit |
IRT-400 |
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2. Production Bore Grinding |
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Production Bore Grinding Machines are suitable for components having straight or taper bores. These machines are designed for holding extremely close tolerance, short cycle times. These machines have tremendous application for mass production. Automatic grinding cycle with diamond size control provides effortless repetitive grinding under high cutting speed conditions. in addition, automatic wheel dressing cycle, including wheel wear compensation, reduces the need for operator skill and attention. |
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Specification |
Unit |
Bore |
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Centre Height |
mm |
150 |
Min. Bore Dia. |
mm |
6 |
Max. Bore Dia. |
mm |
100 |
Depth of Bore |
mm |
60 |
Work Head Taper |
--- |
MT–5 |
Int. Spindle Speed |
rpm |
20,000 |
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3. Outer Race Track Grinding Machine |
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Outer Race Track Grinding M/C offers the best solution for grinding Bearing Races and other automobile components. It meets the requirement of high dimensional accuracy in respect of circularity and square ness with very fine surface finish with very fine surface finish large production runs. Automatic grinding cycle with diamond size control provides, effortless repetitive grinding under high cutting speed conditions in addition, automatic wheel dressing cycle including wheel wear compensation, reduces the need for operator skill and attention. |
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Specification |
Unit |
ORT |
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Dia of work piece |
mm |
20-100 |
Width of work piece |
mm |
5-30 |
Grinding wheel |
mm |
400X50(ROS)X127 |
Spindle power |
kW |
3 |
Work spindle taper |
MT |
5 |
Tailstock taper |
MT |
4 |
Wheel surface speed |
m/s |
33/45 |
I.G. Spindle speed |
rpm |
20000 |
I.G spindle |
mm |
60X250 |
Guaranteed roundness |
mm |
<0.002 |
Total power of M/c |
kW |
3.5 |
on live spindle |
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Total weight of M/c |
kg |
2000 |
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4. Precision Lip / Thrust Groove Grinder |
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These machines are the production-grinding machines, widely used in bearing manufacturing industries. These are designed for the taper roller and spherical roller bearing manufacturers. Machines have got fully automatic cycle and rapid/ fine feed/ coarse feed spark off and automatic retraction at home position.
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Specification |
Unit |
Lip |
Thrust Groove |
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Max. Groove Dia |
mm |
19 |
19 |
Max. dia of work-piece |
mm |
100 |
100 |
Max. Radius of Work-piece |
mm |
as req |
as req |
| LONGITUDINAL SLIDE |
Table speed |
m/min |
0-5 |
0-5 |
Max. stroke |
mm |
225 |
225 |
| IN FEED SYSTEM |
Rapid approach |
mm |
40 |
40 |
In feed with hand wheel |
mm |
20 |
20 |
Plunge depth on dia |
mm |
1.7 |
1.7 |
Increment on dia |
mm |
0.001 |
0.001 |
Coarse feed m |
m/min |
0.015-6 |
0.015-6 |
Fine feed |
mm/min |
0.015-3 |
0.015-3 |
Spark off time |
sec |
0-60 |
0-60 |
| WHEEL HEAD |
Grinding wheel (ODxWxBore) |
mm |
300x127x40 |
80x12.7x12.7 |
Spindle speed |
rpm |
1500/1740 |
16000 |
Spindle Cone Size |
mm |
40 |
80x250 (RD) |
Power |
Kw |
2.2 |
3.7 |
| WORK HEAD |
Spindle speed (4 steps) |
rpm |
56-630 |
56-630 |
Spindle nose taper |
MT |
4 |
4 |
Power |
Kw |
0.5 |
0.6 / 0.32 |
| GUARANTEED ACCURACY |
Roundness |
micron |
2 |
2 |
Roughness (Ra Value) |
micron |
0.4 |
0.4 |
Total power requirement |
kw |
3.5 |
5.55 |
Total weight (approx.) |
kg |
2000 |
2000 |
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