查询词典 screwdown

It is proved that the presented system realizes the high efficiency and accurate control of the screwdown mechanism of the pilger seamless tube mill.

生产实践表明，该控制系统实现了对周期轧管机压下装置高效、准确的控制。

This paper describes the screwdown auto-control system of a pilger seamless tube mill which is composed of screwdown motor, frequency converter, PLC and absolute encoder.

本文介绍了由压下电动机、变频器、 PLC 和绝对值编码器构成的周期轧管机的压下自动控制系统。

This article discusses model set - up and dynamic characteristics of hydraulic serve position control used for unsymmetrical oil cylinder of Sendzimir Mill screwdown.

本文研究了森吉米尔轧机压下系统机液伺服位置控制系统非对称油缸的建模问题和动态特性，并给出了计算结果。

Some solutions are put forward by analyzing reasons of burning loss for the screwdown screw and nut on steckel mill.

通过对炉卷轧机的压下螺丝与螺母烧损的设备事故现象的分析，找出事故产生的原因，并提出了相应的解决方案。

The screwdown system of four-roll reversing roughing mill in Tiangang Group requires high control precision, the speed control of screwdown motor is the key factor.

天钢四辊可逆粗轧机压下系统要求有很高的控制精度，压下电机速度的控制是关键。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。