2023澳门六今晚开奖结果出来,国产精品人成视频免费播放,妺妺窝人体色www看人体,大胸美女被吃奶爽死视频

What is Polycrystalline Diamond PDC

It is a composite material composed of diamond and cemented carbide matrix. It has the characteristics of high hardness and good wear resistance. It is widely used in petroleum drilling, geological prospecting, coal field drilling and production drill bits and machining tools.



Drilling and mining PDC: suitable for soft to medium-hard geological drilling, with high impact toughness and thermal stability, heat-resistant temperature up to 750 ℃ (two minutes), this type of product is equipped with flat surfaces and various grooves Surface combination type, groove type, grinding, polishing, chamfering, etc. can be designed according to user needs, and products with special shapes can be provided.

Mechanical tool PDC: suitable for cutting and processing of high-hardness alloys, wood, ceramics and other non-metals, non-ferrous metals and other metals. It has high hardness and wear resistance, high cutting precision, and can be customized according to users If necessary, the product can be processed into rectangular, triangular, fan-shaped and other shapes, which can be used to make wear-resistant parts, drills, tops and drill teeth (spherical, cone-shaped), etc.

Pre:Characteristics of wire and cable industry

Next:The electroplated CBN grinding wheel of Changsha 3 Better

x
Get Price
Name
*Email
*Message
主站蜘蛛池模板: 卫辉市| 安远县| 千阳县| 凌云县| 大名县| 东乡县| 道孚县| 治多县| 乌兰察布市| 曲松县| 资兴市| 临桂县| 邛崃市| 错那县| 封开县| 毕节市| 巴中市| 丹棱县| 长乐市| 黑河市| 武川县| 财经| 宁河县| 晋城| 双江| 天峻县| 揭阳市| 衡阳县| 邵武市| 新巴尔虎右旗| 龙海市| 久治县| 田阳县| 林甸县| 手游| 黄石市| 金华市| 滁州市| 乌鲁木齐市| 温宿县| 合川市|