Creep feed grinding with CBN can be divided quite definitively between plated CBN and vitrified CBN in terms of distinct machine conditions, coolant, and operating parameters.
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TABLE 16.8
Example of Removal Rates in the Viper Process for Grinding Turbine Blade Root Forms
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Pass
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Wheel Speed
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Table Speed
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Depth of Cut
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Dressing Depth
|
Q’w
|
|
(m/s)
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(mm/min)
|
(mm)
|
(mm)
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(mm3/mm/s)
|
|
1
|
35
|
1,000
|
1.0
|
0
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16.7
|
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2
|
35
|
1,000
|
0.5
|
0
|
8.3
|
|
3
|
35
|
1,000
|
0.2
|
0.2
|
3.3
|
|
4
|
35
|
1,000
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0.1
|
0
|
1.7
|
|
5
|
35
|
1,000
|
0.05
|
0
|
0.8
|
|
6
|
35
|
1,000
|
0.02
|
0
|
0.3
|
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FIGURE 16.18 Makino machining center equipped with CDCF capability on quick-change HSK adaptors.
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FIGURE 16.19 Large grain aspect ratios of SG and TG wheels.
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