tube-welding machine

Tin blank for tube or pipe fittings circular purl sweater-strip machine

锡坯料，用于大小管配件双针筒计件衣坯针织机

This paper introduced the measuring device of the spiral-fluted tube's force and the influencing factors of the spinning force, which will play a part in designing spinning machine tool, working out the spinning technology and designing spinning fixture.

介绍了薄壁管螺旋槽旋压时的测力装置和各工艺参数对旋压力的影响，可为设计旋压机床、编制旋压工艺，设计工夹具提供理论依据。

Silk Denim intermediate filaments AUTOMATIC CHIP BREAKING OF NC TUBE THREADING MACHINE

数控管体车丝机实现自动断屑

In the preliminary experiments the adiabatic expansion efficiency of orifice pulse tube with low temperature switching valve can be higher than 40%. These results show the application prospects of the machine.

对带低温切换阀的小孔气库型脉冲管的等熵膨胀效率的初步实验结果表明，其等熵效率可达40%以上，显示了一定的应用前景。

Reform design of the roll spindles of the punching machine in Φ 400 tube rolling train

Φ400机组穿孔机用滚动接轴的改造设计