Based on mathematical model of the rake surface of curved edge drills(CEDs) and the planar displaying method(PDM),images are established for the calculation of dynamic cutting angles at any point on the main edge of CEDs,which are measured in different reference systems and include the rake angle,the inclination angle and the cutting edge angle.
根据钻头前刀面的数学模型,应用平面表像法理论建立了计算曲线刃钻头主刃各点在不同参考系下的工作切削角度(包括工作前角、工作刃倾角、工作主偏角等)的像图。
A universal model for calculating cutting angles from structural and grinding param.
以麻花钻前后刀面的数学模型为基础,建立了二次曲面后刀面麻花钻各几何要素的平面像图;应用平面表像法,将麻花钻上复杂的空间角度计算问题转化为平面上的非欧距离和非欧夹角的计算问题,从而大大简化了计算分析的难度;建立了麻花钻切削角度与结构和刃磨参数关系的统一计算模型,为麻花钻的结构和刃磨参数的分析和优化设计提供了一种新的建模方法。
The technologies include the ruling methods, the adjusting of the cutting angle, the selecting for the knife tip angle of the diamond cutter and the choosing of the materials being ruled.
详细介绍了指纹采集仪用光栅在研制过程中,对原有光栅刻划机分度系统结构改造和重新设计,以及新的刻划工艺,它包括刻划方法、切削角度的调整、金刚石刀具刀尖夹角的确定和被刻划材料的选择。
Three-dimensional thermo-elastic-plastic coupled finite element analysis for oblique cutting processes
斜角切削过程的三维热—弹塑性有限元分析
A mathematical model for numerical emulation of cutting forces in drilling using drills with indexable inserts based on oblique cutting theory combined with experimental approach is developed.
采用斜角切削理论和试验相结合的方法建立可转位浅孔钻钻削力数值仿真的数学模型。
Using the general international FEM software ANSYS, the dynamic process of oblique cutting is simulated.
借助于通用有限元软件ANSYS模拟出斜角切削的动态过程,并在此基础上对切削变形进行了研究,提出了一种获得剪切角的新方法。
A 2-dimensional elasto-plastic finite element model of metal orthogonal cutting was developed based on large deformation-large strain theory,incremental theory and updating Lagrang- ian formulation.
基于大变形一大应变理论、增量理论以及更新拉格朗日算法,建立二维弹塑性金属直角切削有限元模型;采用几何分离准则(距离准则)判断材料的分离,并自动对畸变网格进行重划分;通过用不同的刀具前角对金属直角切削过程进行数值模拟,分析总结结果,得出直角切削过程中在不同切削前角时切削力、刀具与工件的温度、应力应变的分布情况,为选用刀具形状、提高切削表面质量提供了理论依据。
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
This unit used for percision grinding of square tools with any direction, easy to operate.
该装置用于方体刀具各切削角度的精密磨削，操作简单方便。
top plate cutting angle
顶片切削角 -锯链
The Relationship between the Average Shear Angle in Vibration Cutting and the Shear Angle in Conventional Cutting
振动切削平均剪切角和普通切削剪切角的关系
Mechanical Model of Water Saturated Sand Cutting at Blade Large Cutting Angles
绞刀片大角度切削水饱和沙的力学模型
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
blade cutting anlge adjusting range
铲刀切削角调整范围
Research on the Changes in Corneal Sensitivity and Tear Film Stability after LASIK Affected by Ablation Depth of Corneal Stroma;
角膜基质切削深度对LASIK术后角膜知觉及泪膜稳定性影响的研究
Study on Cutting Temperature under Ultrasonic Hard Turning 45 Hardened Steel
超声硬切削45淬硬钢的切削温度研究
Influence of the Anisotropy on Surface Roughness, Shear Angle and Cutting Force in Diamond Tuning of Optical Crystal Materials;
光学晶体材料的各向异性对金刚石车削表面粗糙度、剪切角及切削力的影响
Corneal Thickness and Corneal Shape Changes after Treatment of Shallow Scar in Rabbit Cornea by Phototheroperapeutic Keratectomy
准分子激光治疗性角膜切削术治疗兔角膜瘢痕后角膜厚度及角膜形态的变化
Several Geometric Angles of the Blades of Cutting Tools An Experimental Teaching Method under Reformation Process
试谈刀具切削部分几何角度实验教学方法的改革
micrometer cutting depth adjustment
千分表切削深度调整
RELATION BETWEEN THE HARDNESS OR THE DENSITY OF WOOD AND THE CUTTING POWER IN WOOD CUTTING
木材切削中木材硬度及密度与切削功率的关系
Influence of Cutting Speed on Temperature Distribution in Cutting Process
切削速度对切削过程温度分布影响的研究
Test and Research on the Cutting Force Change Caused by Cutting Angle Diversification of the Blade of Salix-Psammophila Chipper;
沙柳削片机飞刀切削角对切削力影响的试验研究
Effect of Cutting Speed and Feed Rate on UVC Hard Cutting
切削速度与进给量对UVC硬态切削加工的影响
Finite Element Analysis of Cutting Force and Cutting Temperature for Stainless Steel
不锈钢(0Cr18Ni11Ti)切削力和切削温度的有限元分析