test mandrel

The design features and technical parameters and test of the mandrel are introduced.

介绍了投捞式气举偏心工作筒的结构、工作原理与设计技术参数以及试验情况。

Weight of Zinc-Coating, Number of Dippings in Cupric Sulphate Test and Diameters of Mandrel Used for Coiling Test

锌包层之重量，铜硫酸盐试验之酸洗次数及测试用卷筒直径

Test mandrel must now be clamped in a vice.

测试芯轴此时必须用老虎钳夹紧。

This paper is based on result of visioplasticity test of thick cylinder during axial pressure with support of mandrel, velocity field and strain rate field were established.

本文根据厚壁圆管在两端夹持、有芯轴支撑、轴向加载的条件下，视塑性试验流线分布的结果，建立了变形区域的速度场和应变速率场。