体对角线

基于体对角线机床位置误差的激光矢量测量分析

Analysis of Laser Vector Measurement Based on Body Diagonals for Volumetric Position Errors on Machine Tools

通过使用可以快速测量空间定位误差的分步体对角线测量方法，在不同的温度条件下对数控机床进行了误差的测量，得到了机床9项位置误差随温度变化的曲线。

Volumetric errors under different temperature conditions are measured by the sequential step diagonal measurement method , and the variation curves of the 9 synthesis errors are obtained .

通过分析机床沿4条体对角线的位移误差与空间位置误差间的矢量关系，提出了利用体对角线多步运动测得的位移误差分离机床运动轴位置误差的矢量分析方法。

Based on the vector relationship between volumetric position errors and displacement errors , a new errors measurement method was put forward with sequential steps along the four body diagonals .

研究立方体八节点单元中离散元弹簧的性质，得到棱弹簧、面对角线弹簧以及体对角线弹簧的刚度和方向表达式，给出这些弹簧刚度以及方向与泊松比的关系图。

The spring properties of the discrete element in the 8-node solid isoparametric element is investigated ; the expressions of the stiffness and directions of the spring between common edge particles , between common diagonal of face particles and between common diagonal of cubic particles are deduced ;