Study of force simulation test device of PDC bit cutting teeth;
PDC钻头切削齿受力模拟实验装置研究
Basing on the abrasion principles of cutting teeth of the PDC bit a series of field experiments were made.
在PDC钻头切削齿磨损机理研究基础上,进行了现场试验。
Through setting up the mechanical model of cutting rock,the cutting teeth of PDC coring bit foce has been analyzed by finite element method.
通过建立钻头切削岩石的力学模型,对PDC取心钻头切削齿受力进行了分析,并对钻头切削齿切削岩石受力进行了有限元分析,得出PDC钻头在载荷下的应力应变分布,为地质PDC取心钻头的优化设计和合理使用提供了理论依据。
Analysis is made on block effect to cutters of PDC bit with 3 factors: different top shape,cutter-distributing and wearing degree.
对PDC钻头冠部形状及不同的布齿密度和切削齿在不同的磨损状态下对PDC钻头切削齿受力的影响进行了分析;用相邻的3个切削齿之间的关系(不同的切削齿与切削齿之间的径向距离和切削齿之间的高度差)来分析PDC钻头冠部形状和切削齿布齿密度对切削齿受力的影响,以及将切削齿的磨损状态简化成与切削齿在钻头上装配方向垂直的平面来分析切削齿磨损状态对切削齿受力的影响。
The ratio of the volume worn away from PDC cutters to frictional works consumed during cutting rock was used as the rock abrasiveness index.
根据有关磨损理论 ,提出以PDC切削刃在单位正压力下经过单位摩擦路程的体积磨损量作为岩石的研磨性系数 ,建立了根据研磨性系数预测PDC切削齿磨损寿命的理论模型。
An anti_whirl technology keeping the lateral forces and cutters balanced on PDC bit for slim_hole drilling is proposed.
磨损分析结果表明 ,切削齿磨损速率低 ,磨损量均衡 ,聚晶金刚石层未见明显的脆性崩裂 ,具有良好的抗回旋性能。
Study on Rock Breaking Regulation in Optimizing Cutting Angle of PDC Bit
PDC钻头切削齿切削角度对破岩效果影响规律的研究
ANALYTICAL THEORY AND COMPUTATIONAL METHOD OF CONTACT AREA AND CUTTING VOLUME OF PDC BIT CUTTERS
PDC钻头切削齿工作区域及切削量的分析理论和计算方法
generating cutting
滚(齿)切(削)法
spread-blade bevel gear cutter
螺旋伞齿轮切削刀盘
Forming Mechanism of Tooth Flank Burr in Cutting Gear
齿轮齿形切削加工中的毛刺生成机理
bevel gear:Either of a pair of gears with teeth surfaces cut so that they can connect unparallel gear shafts.
斜齿轮:用以连接不平行齿轮轴齿轮的任一对齿面切削。
Research on Auto Gear Hobbing Process and the Choice of Its Technic Parameters;
汽车齿轮滚齿切削过程研究及其工艺参数选择
Tooth Contact Analysis and Cutting Parameters Modification of Small-modulus Spiral Bevel Gears;
小模数弧齿锥齿轮的接触分析与切削参数修正
Theoretical and Experimental Studies on Cutting Force of High-Speed Dry Hobbing;
高速干式滚齿切削力理论及实验研究
Optimization in cutting factor based on the model of cutting force of the high speed NC gear milling machine tools
基于数控高速铣齿机切削力模型的切削用量优化
Turning operations are required to make many different cylindrical shapes, such as axes, gear Blanks, pulleys, and threaded shafts.
车削用来切削出不同的圆柱形,如转轴、齿轮毛坯、滑轮、螺纹轴等。
Terminology for metal-cutting machine tools--Gear cutting machines
GB/T6477.7-1986金属切削机床术语齿轮加工机床
Analysis of Geometric Angle of Cutting Edge of New Profiling Carbide Shaper Cutter
新构形硬质合金插齿刀切削刃几何角度分析
Theoretical and Experimental Studies on Cutting Temperature of High-Speed Dry Hobbing;
高速干式滚齿切削温度理论及实验研究
Cutting Force of Single Circumference Edge for Micro Orthogonal Turn-Milling
微小型正交车铣单齿圆周刃理论切削力研究
Green Dry Type Cutting Technology and the Application in Gear Processing Application
绿色干式切削技术及其在齿轮加工中的应用
Study on Saw-tooth-shaped Chip Edge and Tool Wear for High-speed Machining of Nickel-based Superalloy
镍基合金高速切削中锯齿状切屑毛边和刀具磨损研究
Finite Element Simulation of Serrated Chip Formation in High-speed Milling of A lloy Cast Iron
高速铣削合金铸铁时锯齿状切屑形成的有限元模拟
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