Compared with dry friction clutch, magnetorheological fluids clutch has little wear, small heat, long life, petty control current and easy controlled characteristic.
与干粉离合器相比，磁流变材料离合器磨损少、发热小、寿命长、控制电流小且易于控制。
One is the current signal model with bore cutting condition, and the another is the model of tool wear with cutting conditions and time.
第一种是基于电流信号的刀具磨损模型，第二种是直接基于刀具磨损量的模型，这两种模型均滤除了切削条件的影响。
The brush will produce abnormal wear with the appearing of the electric spark when overload current passes.
当负载电流过大时还有可能产生电火花而引起异常磨损。
Current has obviously affected on wear rate compared with loading.
在试验范围内，电流比载荷对磨损率的影响显著。
The wear morphology is characterized by abrasive wear and adhesion wear with low current while it is characterized by adhesion with high current.
电流较小时具有磨粒磨损和粘着磨损的共同特征，电流较大时以粘着磨损为主。
Having been equipped with it, the triangular current pulse is more suitable to the graphite electrode, the surface uniformity of electrode is improved and the relative wear is reduced.
文章还提出，采用后三角形电流脉冲能较好的适应石墨电极材料，加工后电极表面平整，相对损耗小。
Using electrical contact theory, the model Capacitive Current Collector is established, to compare with the general one, which reduce the wear and tear of its theoretical basis.
运用电接触理论，建立了电容式集流环的电接触模型，并将其与普通集流环的电接触模型进行比较，得出其磨损降低的理论依据。
Results indicate that wear under the direct current magnetic field is much lower than that without magnetic field, the wear is reduced with increasing the magnetic density.
结果表明：与无磁场条件下的磨损量相比，磁场条件下磨损量明显较低，并且随着磁场强度的增加磨损量降低。
In EDM process with tool as anode, tool wear is largely produced by electron current in gap during the frist hundreds nano seconds of the spark ignition.
在电火花放电加工过程中，采用负极性加工时，工具电极的损耗主要是由于火花放电前几百纳秒出现的电子流对工具电极表面的轰击造成的。
In EDM process with tool as anode, tool wear is largely produced by electron current in gap during the frist hundreds nano seconds of the spark ignition.
在电火花放电加工过程中，采用负极性加工时，工具电极的损耗主要是由于火花放电前几百纳秒出现的电子流对工具电极表面的轰击造成的。
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