包镶也称包边镶，是用金属边把宝石四周围住的一种镶嵌方法。这种方法是镶嵌方法中最为稳固的方法之一，也是较为常用的镶嵌方法。
本文介绍了弱包镶强耐磨性胎体钻头的基本原理及使用效果。
This paper describes the basic principle and use of the bit with weak holding and high wear resistant matrix.
前言：在分析钻进时钻头“打滑”原因的基础上，提出了利用弱包镶来解决“打滑”的思路。
Based on the analysis of "bit walk" in drilling, a concept of using weak diamond -holding matrix to get rid of "bit walk" is introduced.
试验表明，金刚石与金属膜层的结合强度有了提高，镀膜金刚石在胎体合金中的包镶牢固程度随之得到提高。
The experiment shows that the bonding intensity between diamond and metal coat has been improved and the holding retention of the coated diamond in matrix alloy has also b…
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