必须注意：表镶金刚石钻头不应该用于破碎和松散地带。
This kind of bits cannot be used in broken or loose formations.
本文详细介绍了生产大口径孕镶金刚石钻头的工艺设计方案，值得同业借鉴。
The paper discusses the design program of the production process for large diameter impregnated diamond bits, which offers a reference for people in this field.
通过近二十年的生产实践，从胎体配方等八个方面提出提高绳索取芯孕镶金刚石钻头寿命的方法。
With 20 years'production practice, the writer proposes the methods of improving the service life of wire - line impregnated diamond drilling bits from 8 aspects.
钻进结果显示，采用电镀弱包镶金刚石钻头，能够比较有效地解决电镀金刚石钻头的“打滑”问题。
Drilling results display that electroplated weakly-bonded diamond bit can effectively solve the problem of slipping while drilling in hard, compact rock.
研制出一种两级磨料新型孕镶金刚石钻头，该种钻头解决了时效与寿命不能同步提高这一长期困扰钻头研制者的难题。
A new type of impregnated diamond bit with two sorts of diamond abrasives has been developed, which can improve both penetration rate and service life simultaneously.
为了提高钻头的寿命，提出了将制作金刚石增强型硬质合金复合齿的工艺、配方应用到制作孕镶金刚石钻头的设计思路。
In order to improve bit life span this paper puts forward a thought of using the techniques and formulas of making diamond enhanced tungsten carbide composite button to make impregnated diamond bit.
本发明涉及一种电镀弱包镶金刚石钻头或工具及其制作工艺。所用的金刚石为JR4型、粒度为60/70-80/100目，设计的金刚石体积浓度为14％-22％；
An electroplated drill bit inlaid by diamond features that said diamond is JR4 type and has 60/70-80/100 meshes and 14-22% of volume concentration.
本发明涉及一种电镀弱包镶金刚石钻头或工具及其制作工艺。所用的金刚石为JR4型、粒度为60/70-80/100目，设计的金刚石体积浓度为14％-22％；
An electroplated drill bit inlaid by diamond features that said diamond is JR4 type and has 60/70-80/100 meshes and 14-22% of volume concentration.
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