| 1. | Assessment of departure from roundness two - and three - point methods 圆度误差的评定两点三点法 |
| 2. | A technology of dynamic measure round error and error separating 圆度误差的动态测量及误差分离技术 |
| 3. | Deleting unassociated points for roundness evaluation based on - hull 壳的圆度误差评定无关点删除算法 |
| 4. | Accurate time domain three point method for error separation of roundness 精确的时域三点法圆度误差分离技术 |
| 5. | Roundness error evaluation based on the particle swarm optimization 粒子群优化算法及其在圆度误差评定中的应用 |
| 6. | Abstract : on the basis of the way to evaluate circular degree error , the mathematic model for measuring the circular degree error are given with the least square , minimum circum circle and minimum area methods 文摘:根据圆度误差的评定方法,建立了最小二乘法、最小外接圆法和最小区域法的数学模型,并给出了其圆度误差 |
| 7. | This paper introduces the ball lapping model of spring - loading lap tools for the four shafts ball - lapping machine and explains the small tendence mechanism of the ball roundness error using the effets of cutting high points and homogenization lapping error 摘要从建立四轴球体研磨机弹簧加压球体研磨的力学模型入手,运用高点切削作用机制和误差均匀化效应,解释了球体圆度误差趋小化研磨机理。 |
| 8. | It advances that the non - lapping envelope region is a major fact of generating roundness errors and inquires into the effects of ball roundness with non - lapping envelope region , preliminary pressure error and lap tool wear 根据四研具体对球面研磨的包络原理,提出了未包络研磨区是产生残存圆度误差的主要因素,并探讨了未包络研磨区、四研具初始压力误差、研具磨损不均匀性产生的原因和对研磨残存圆度误差的影响及解决措施。 |
| 9. | The system can test the information of work piece ' s length - fault , diameter - fault , shape - fault and surface - flaw fault simultaneously and use various appraising algorithms to test the results . thus the problem of ndc of the work piece ' s surface - flaw has been solved 该系统可以实时快速地同时进行轴承工件的长度误差、直径误差、圆度误差及表面缺陷误差的精密检测,并应用几种不同的评判算法,得到各种误差的质量评判结果。 |
| 10. | The approaches of linearity error and roundness error evaluating are presented , among which the least square method is emphasized . the conclusion that only when the little error assumption or little departure assumption are fulfilled the general least square algorithms are the suitable least square solution is provided 重点研究了圆度误差评定的最小二乘方法,指出只有满足“小误差假设”和“小偏差假设” ,最小二乘通用算法的评定结果才是严格意义上的最小二乘解。 |