downhand

基本解釋

What does the nonstandard term “downhand” mean ?
(非標(biāo)準(zhǔn)術(shù)語“平焊”表示什麼意思？
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.
對焊接變位機運動規(guī)劃的任務(wù)進行了分解,建立了旋轉(zhuǎn)傾斜型焊接變位機使待焊點處于最佳焊接位置時的數(shù)學(xué)模型,并編制了求解程序,對空間螺旋線型焊縫進行了模擬。
butt-weld in the downhand position
對接平焊
fillet welding in the downhand position
船形角焊
Keywords pressure vessels;downhand welding;continuous welding;
壓力容器;平焊;連續(xù)焊;管對接;