Through analysing the super grinding production method and the whet liquid performance, a technological process is improved and the steel ball quality is increased.
通过分析精研加工方法及精研液的性能，完善钢球加工工艺，提高钢球质量。
2
The application of the liquid auto-balancing head which has been used in grinding machine is limited, because the liquid can be projected into the head but can not be released.
为克服磨床的液体式平衡头只能进行喷液平衡而限制其应用的缺点，研究了液体平衡头的释放问题。
3
Some other methods such as simple extraction methods, grinding without liquid nitrogen extraction, micro-extraction method were also used.