Cause analysis of mechanical breakdown associated with a small turboexpander and solutions

At low room temperature we studied such influencing factors on the breakaway torque as injection quantity of magnetic fluid, number of sealing stages, and the standing time at normal temperature.

以-40℃，直径为140mm的磁性液体密封为例，在低温室内研究了影响磁性液体密封起动扭矩大小的因素，如磁性液体注入量，密封的级数、常温（15℃）下放置的时间等。

A key factor restricting the application of magnetic fluid rotation sealing at low temperature and large diameter is the high breakaway torque.

制约低温大直径磁性液体密封在实际应用中的关键因素之一是起动扭矩过大。

Study on the breakaway torque of magnetic fluid sealing at low temperature and large diameter

低温大直径磁性液体密封起动扭矩的研究

Breakaway Torque is the total of the three factors listed above.

最小开机扭矩是上述三项因素的总和。

Specification for vessel, pipework and breakaway coupling;

盛器、喉管及断开式联轴节规格；

The Mechanism of Drawing Breakage

引伸破裂的机理

Analysis and improvement of CT secondary breakage criterion in generator differential protection The Mechanism of Drawing Breakage

发电机纵差保护CT二次断线判别原理的分析和改进引伸破裂的机理

The numerical simulation of sheet forming can predict and display crinkling, drawing breakage and variation of sheet thickness in the process of drawing. The physical process, mechanical model and typical simulation process for sheet forming are described.

板料成形的数值模拟可以预测并显示板料在拉深过程中的起皱、拉裂、板料的厚度变化等。

To the question of wrinkle and drawing breakage during the rectangle box forming process, this paper describes the simulation of rectangle box deep drawing by Marc finite element analysis software.

针对矩形盒成形过程中各种形式的起皱和拉裂问题，采用MSC.Marc有限元分析软件对矩形盒深拉延成形过程进行模拟。

It can be concluded that the crack of skin is the macroscopic breakage form of grape and the maximal tensile stress is the main factor causing the mechanical damage of grape through comparing the model calculation with the experimental results.

经模型计算与试验结果相比较，得出表皮破裂是葡萄宏观破坏的主要形式，最大拉应力是造成葡萄机械损伤的主要原因。

Objective Observes the toxic response that the animal complete skin and the breakage skin contact disinfection drugs internal short-term.

目的观察动物完整皮肤及破损皮肤短期内接触消毒药品所产生的毒性反应。

Methods Carries on the artificial skin breakage toxicity experiment using 2% glutaraldehyde, 0.2% and 2% peracetic acid and 0.2% sodium hypochlorite were applied to skin shaving wound in guinea pigs, and toxic changes and death of the animals were observed.

方法利用2%戊二醛、0.2%过氧乙酸、2%过氧乙酸、0.2%次氯酸钠对豚鼠进行人为皮肤破损毒性实验，观察豚鼠全身中毒表现和死亡情况。

Results The pathogenic invasive pathways included: 19 cases of urinary tract, 17 cases of respiratory tract, 7 cases of intravenous catheter detain, 7 cases of biliary tract, 1 case of skin breakage, and 7 cases of unclear origin.

结果58例败血症患者致病菌入侵途径分别为：泌尿系统19例，呼吸系统17例，深静脉导管7例，胆管7例，破损皮肤1例，入侵途径未明7例。

Observation on therapeutic effect of patients with skin breakage and bedsore treated by biofluid gauze dressing change

生物流体敷料膜换药治疗皮肤破损及压疮的疗效观察

Those troubles can not only greatly affect the improvement of productivity of the ZR mill, but also severely damage the rolling equipments, so how to solve the problems of strip breakage and roll wind-up has long been an important subject of our research work.

这不仅会严重影响轧机生产率的提高，而且还会损坏设备。因此，长期以来，如何解决断带与缠辊的问题已成为重要的研究课题。

Large quantity of rejected products involving edge crack and strip breakage are prone to occur in hot and cold rolling of the oriented silicon steel sheets due to high brittleness of the steel caused by its high silicon content.

取向硅钢含硅量高，钢质脆性大，在热轧和冷轧过程中容易产生大量边裂及断带轧废。

Strip breakage and roll wind-up frequently occur on the ZR 20 when rolling the fragile stock with severe quality problems such as worse shape, serious surface and edge defects.

森吉米尔轧机（ZR20）在轧制板形不好、板面和边部有严重缺陷的脆性原料时，经常出现的生产故障是断带缠辊。

Strip breakage happened very often in the annealing assembly line at the silicon steel workshop of Wuhan Iron& Steel Corp.

武钢硅钢厂退火生产线经常发生因带钢跑偏造成断带事故。

Study on Strip Breakage Inside Furnace of Continuous Annealing Line of Cold Rolled Sheet

冷轧薄板连续退火线炉内断带原因分析

Measurement and analysis on strip breakage and roll wind-up on ZR mill

ZR轧机断带缠辊的测试及研究