GRINDING MACHINES FOR BEARING INDUSTRY
1. Precision Inner Race Track Grinder
   
 
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.
   
 
Specification
Unit
IRT-400
 
Swing over table
mm
175
Max dia ground
mm
100
Min dia ground
mm
20
Grinding wheel
mm
400X40(ROS)X127
Spindle power
kW
5.5
Spindle power
kW
5.5
Work spindle taper
MT
5
Speed (8 steps)
kW
56-630
Total power of M/c
kW
8
Swivel
deg.
30
I.G.Spindle speed
RPM
20000
Grinding Wheel speed
m/s
1430/1565
Total weight of M/c
kg
1900
 
 
2. Production Bore Grinding
   
 
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.
   
 
Specification
Unit
Bore
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
 
3. Outer Race Track Grinding Machine
   
 
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.
   
 
Specification
Unit
ORT
Swing over table
mm
150
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
Total weight of M/c
kg
2000
 
 
4. Precision Lip / Thrust Groove Grinder
   
 

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.

   
 
Specification
Unit
Lip
Thrust Groove
CAPACITIES
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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