adjustable mandrel

基本解释

The size of the slit (16) is adjustable to meet the requirements of drawing the mandrel bars with different specifications.
开缝（16）的大小可调以适于拔不同规格芯棒的需要。
ip.com
By unlocking the mandrel, up-semi-ball-seat, down-semi-ball-seat and the sphere body the adjustable posture of the large component may be resumed.
将油压卸载就可以释放与机身部件连接的芯轴，使机身部件恢复到自由调姿状态。
hkxb.buaa.edu.cn
The streamlined diameter-adjustable mandrel has been designed by analysis its structure and calculation, which supply a way for opening the similar produce.
设计了一种新型的可调直径卷筒，对卷筒的总体结构进行了分析和设计、计算，为开发同类产品提供了设计依据。