Item
|
Unit
|
Main Technical Parameter
|
FM120
|
FM500
|
FM1000
|
FM2500
|
Machine structure
|
|
Horizontal
|
Horizontal
|
Vertical
|
Vertical
|
Machine technology
characteristics
|
|
Forming method
|
Generating method
|
Generating method
|
Generating method
|
Diameter range for internal
sphere grinding
|
mm
|
SΦ20-SΦ120
|
SΦ160-SΦ510
|
SΦ500-SΦ1100
|
SΦ1000-SΦ2500
|
Corresponding sphere hole
diameter range
|
inch
|
1/2’’-3’’
|
4’’-14’’
|
14’’-30’’
|
28’’-60’’
|
Distance between the work
piece central line and the work table
|
mm
|
160
|
500
|
|
|
Power of the grinding wheel
motor
|
Kw
|
5.5
|
15
|
22
|
30
|
Power of the workpiece motor
|
Kw
|
2.2
|
3
|
18.5
|
22
|
X/Z travel
|
mm
|
250/250
|
250/350
|
400/350
|
800/400
|
Adjustment of grinding wheel
farme
|
mm
|
100
|
200
|
300
|
300
|
X/Z axis positioning
precision
|
mm
|
±0.004
|
±0.004
|
±0.004
|
±0.004
|
X/Z axis re-positioning
precision
|
mm
|
0.003
|
0.003
|
0.003
|
0.003
|
Roughness
|
Ra
|
0.4-0.2
|
0.4-0.2
|
0.4-0.2
|
0.4-0.2
|
Roundness
|
Mm
|
0.003-0.008
|
0.005-0.008
|
0.006-0.009
|
0.008-0.012
|
Overall dimension (length×width×height)
|
Cm
|
180×150×180
|
210×180×240
|
240×240×300
|
350×360×340
|
Net weight
|
Kg
|
3500
|
5000
|
7500
|
10500
|