本文对钻头磨损的测量方法以及抑制钻头磨损的效果进行了试验研究。
This paper presents here to test and study on the measurement and suppression of drill wear.
由于其不能全面反映钻头的磨损情况，后来又制定了钻头磨损八位定级方法。
Because it cannot fully evaluate the dull bit characteristics, IADC published the Eight Point dull bit Grading scheme to replace the old scheme.
文中解释了这种现象发生的机理，并提出利用该特性进行钻头磨损监测和预报的方法。
The phenomenon mechanism appeared has been explained in the paper, and a method of making use of these signal characteristics for monitoring and predicting tool wear states is put forward.
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