downhand

(非标准术语“平焊”表示什麽意思？

What does the nonstandard term “downhand” mean ?

The concept of motion planning for welding positioner is discussed, and the mathematical model of rotating/tilting positioner under the downhand welding position is created.

对焊变运动规划的任务进行分解,旋转倾斜型焊变使待焊点处于最佳焊时的数学模型,并编制求解程序,对空间螺旋线型焊缝进行模拟。