1.
Study on Improving Performance of Electroplated Diamond Bit with Rare Earth;
稀土对提高电镀金刚石钻头性能的研究
2.
Experimental research on deep cryogenic treatment of W4Mo3Cr4VSi twist drill
深冷处理对W4Mo3Cr4VSi钻头性能影响的实验研究
3.
Study on matrix performance of iron-based diamond bit and drilling tests
热压铁基金刚石钻头胎体性能及钻进试验研究
4.
The geometry in the web of a twist drill is the key factor determining the cutting performances of the drill.
麻花钻钻心部分的几何参数,是决定钻头切削性能的关健因素。
5.
To raise drilling performance of new micro-drill, a novel method was advanced for reginding of chisel edge.
为了提高新型微钻头的钻削性能,提出了一种适合于微钻头的横刃修磨原理及方法。
6.
Heat treatment and wear resistance of 55SiMoV roller for the mine roller bit
矿用牙轮钻头55SiMoV滚柱的热处理及耐磨性能
7.
Tribological Properties of Sulfur-nitrade Layer on Drilling Joint Material 35CrMo Steel
钻杆接头材料35CrMo钢硫氮共渗层的摩擦学性能
8.
Study on the carburizing and niobiumizing process and the wearing resistance of the mine roller bit
矿用牙轮钻头碳-铌复合渗及耐磨性能研究
9.
Iron-based matrix performaces and DC-electroplated diamond bit
直流电镀铁基胎体性能及其金刚石钻头研究
10.
Study on the Performance of Hot Pressed High Phosphorus Iron Alloy Matrix and the Diamond Bit
热压高磷铁基胎体性能及其金刚石钻头研究
11.
Study on mechanical performance of iron-based matrix for hot-pressed diamond bit
热压金刚石钻头铁基胎体机械性能的研究
12.
bit's directional cutting ability
钻头的定向切削能力
13.
Study on Drilling Tests of PCB Through-Hole Drilling
钻PCB通孔钻切削性能的钻削试验研究
14.
unit-type drill head
组合钻床钻头, 标准钻头
15.
It is the key to ensure that PDC bit has choiceness of the work performance to reasonably place cutting.
合理的布齿是保证PDC钻头有优良工作性能的关键。
16.
The Study on Wear Regularity, Design and Performance Test of Diamond Bit and Diamond Saw
金刚石钻头和金刚石锯片磨损机理、设计及性能测试研究
17.
Research on Main Geometric Parameters of PDC Bit Influencing on the Mechanical Behavior
PDC钻头的主要几何参数对其力学性能影响的研究
18.
Study on Dry Biological Properties of Drilling Pipe Joint Material with 35CrMo Sulphurized-nitrided Compound Layer
钻杆接头材料35CrMo硫氮复合处理层的干摩擦学性能研究