Programming for Sphere Milling Based on R-Parameter and Conditional Transfer Instruction 利用R参数和条件转移指令实现球面数控铣削编程
Absolute Conditional Transfer Instruction and Relative Conditional Transfer Instruction 条件绝对转移指令与条件相对转移指令
This essay mainly deals with the usage range of absolute conditional transfer instruction and relative conditional transfer instruction. 本文主要对条件绝对转移指令与条件相对转移指令的使用范围进行分析并举例说明。
In fact, the three-dimentional surface like sphere can be milled not only by programming with CAM software, but also can be done expediently by programming manually based on R-parameter and conditional transfer instruction of SIEMENS 802D NC system. 球面类三维曲面铣削加工,许多人认为只有使用CAM软件进行自动编程方可实现,实际上只要充分利用SIEMENS(西门子)802D数控系统的R参数和条件转移指令,可以方便地实现球面的铣削手工编程。