CSE齿延缓切削齿的破裂和磨损。
双锥形冠部，选用中等粒度金刚石切削齿。
模拟中考虑了钻头的切削齿和射流喷嘴对流场的影响。
The influence of bit cutting teeth and its jet nozzle on the flow field is taken into account in the simulation.
根据试验结果，建立了PD C切削齿破岩的受力模型。
According to the experimental results, the force model of PDC cutter breaking rock was developed.
自动装配切削齿，自动生成冠部的装齿齿槽和齿托结构。
Automatic assembling cutter and automatic creating the cutter's slot structure in crown.
实现了模拟切削井底、切削齿侧面与井底干涉状态的分析。
Realizing the analytical function of simulating PDC cutter's drilling well bottom and the interference analysis between well bottom and cutter.
可测量的位置参数有切削齿复合片的圆心坐标及负前角、侧偏角等。
Measurable parameters include the coordinates of the circle center of the cutter teeth compact and the compact's back rake Angle and side sway Angle.
新型切削齿及高密度保径布齿提高钻头在硬研磨性地层中的使用寿命。
New type PDC cutters and heavyset gage design promote longer bit life in hard and abrasive formations.
轮式金刚石钻头是利用切削齿缓慢交替切削运动来破碎岩石的新型钻头。
Diamond cone bit is a new drill bit which make use of cutting cutters interacting with rock slowly and alternately.
一种钻井工具，利用聚晶金刚石复合片切削齿通过连续的刮擦运动去剪切岩石。
A drilling tool that USES polycrystalline diamond compact (PDC) cutters to shear rock with a continuous scraping motion.
室内模拟试验表明（1）超高压喷嘴安装在钻头刀翼上能辅助PDC切削齿破岩；
Simulation test shows that, (1) fixing ultra-high pressure nozzle on the bit edge is helpful to penetration with PDC cutting teeth;
PD C切削齿尺寸、后倾角和布齿密度是影响PD C钻头性能的重要设计参数。
PDC cutter size, back rake and density are very important design parameters affecting the performance of PDC bit.
将金刚石复合体加工成凿岩切削齿，应用于旋转钻头上，设计制造了新型旋转钻头产品。
A new type of rotary bits was manufactured by processing the PDC product into drilling cutting buttons and then embedding them into rotary bits.
定钻压、定转速条件下的单切削齿磨损速度试验结果表明，切削齿的线磨损模式是正确的。
On the basis of analyzing cutting mechanisms of cutters, a linear wearing speed model is established by researching the abrasive law of cutters.
在金刚石面额外的坡口设计使得压力分散在更大面积上，这样加到切削齿上的应力也就更低。
The additional bevel on the diamond face of the cutter enables compression to spread across more area, leading to a lower stress gradient across the cutting edge.
钻头切削齿与胎体的连接质量关系到钻头的使用寿命，因此有必要对切削齿与胎体的连接技术进行探讨。
It is necessary to study the connecting technique between the drill cutter and placenta, because the connecting quantity affects the working life of drill.
钻头通常属于刮刀型，装备有PDC或者天然金刚石切削齿，但取芯钻头的特别之处在于钻头中心有一孔。
The bit is usually a drag bit fitted with either PDC or natural diamond cutting structures, but the core bit is unusual in that it has a hole in its center.
运用该原理编制的计算机程序可以计算各切削齿的切削面积、切削体积、切削速度、切削力和切削功率等。
By means of the program established according to the above-mentioned principle, the cutting area, cutting volume, cutting speed, cutting force and cutting power of every tooth can be computed.
试验模拟了切削面积、接触弧长、切削面形状、切削齿后倾角和岩石性能对PDC切削齿破岩受力的影响。
The effects of cutting area, contact arc length, the geometry of cutting face, back dip angle of PDC cutter and rock performance on force of PDC cutter breaking rock were simulated experimentally.
它是将牙轮钻头切削齿交替工作的基本运动原理与金刚石钻头的超强耐磨切削齿技术相结合的一项技术创新。
It is a new technical innovation which the basic movement principles of the cone bit combine with the super wear-resistant diamond cutter.
针对山前构造的地层岩性特征，从复合片、刀翼形状、齿型、切削齿力平衡等方面设计和改进了PD C钻头。
Based on the formation lithology characteristics, the PDC bit was optimized from such aspects as the composite block, blade geometry, cutter model, and cutter mechanics balance, etc.
以一种现场常用的PDC取心钻头为原型，充分考虑排屑槽和切削齿对于井底流动的影响，建立了与实际相接近的PDC取心钻头井底流场的物理模型。
The bottom hole flow physical model of a kind of PDC coring bits is established considering the effect of junk slot and teeth layout in this paper.
PD C齿切削载荷的分析，以实验测试的数据为基本依据，对钻头布齿结构参数、切削齿特性参数、岩石的力学性质、钻头的工作参数等因素对PDC齿切削力的影响规律做了全面、系统的研究。
Based on the data, this study studies the cutting force affected by the characteristic parameter of PDC cutters, the mechanics property parameter of rocks, the working parameter of PDC bit.
为了改进PD C钻头设计，在全尺寸试验的基础上，对PD C钻头单齿切削过程进行了试验研究。
The single tooth cutting course of a PDC drilling bit is studied. The research is of great significance for improving PDC drilling bit design.
通过对截齿排列的研究，介绍了滚筒智能优化CAD软件中切削图的绘制。
The paper introduces the cutting drum intellectualized CAD software based on the research of the picks-lacing.
给出了采煤机螺旋滚筒不均匀运动时截齿瞬时切削厚度计算的数学模型和程序框图。
The mathematical model and block diagram are presented to calculate the pick momentary cutting thick when the shearer drum is in the state of irregular motion.
根据煤的崩落性质，研究了截槽形状与煤的块度、截煤阻力及截齿的切削效率等关系。
According to coal breakout feature, the author has studied the relationship between cutting groove shape and the lump of coal and cutting resistance as well as cutting efficiency.
降低粘性土壤对刀齿表面接触面积可以减小土壤对刀齿的粘附和降低刀齿切削土壤的阻力。
Reduction of contact area between cohesive soil and the surface of dredging tools is able to decrease soil adhesion and cutting resistance.
根据金属切削理论及端铣过程的几何关系提出了单齿和多齿刀具的铣削力模型。
Cutting force models of a single tooth cutter and a multitooth cutter are derived from metal cutting theories and geometric relations of face-milling process.
根据金属切削理论及端铣过程的几何关系提出了单齿和多齿刀具的铣削力模型。
Cutting force models of a single tooth cutter and a multitooth cutter are derived from metal cutting theories and geometric relations of face-milling process.
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