螺旋压力机

Suggestions for raising the efficiency of the screw press for rational design are also made.

文中还对提高螺旋压力机的效率以及如何合理设计等方面，提出了一些看法。

Based on the work procedures, the key technologies of numerical control electrical screw press have been explained more clearly.

根据电动螺旋压力机的工作流程，进一步阐述了系统需解决的关键技术问题。

Based on the key techniques of electrical screw press mentioned above and the advanced experiences introduced from abroad, many experiments and researches have been carried out.

为此，作者紧紧围绕上述数控电动螺旋压力机的关键技术，在吸取国外先进经验的基础上，进行了深入的理论和试验研究。

The paper presents a full analysis of the working principle and main technical parameters of high energy screw press, including the advantages and defects which are specially pointed out.

对高能螺旋压力机的工作原理和主要技术参数作了分析，指出其性能的优越性和结构上存在的问题，对该机型的改进和合理使用提供参

The research results mentioned above have been applied into the study of numerical control electrical screw press and many favorable achievements have been achieved.

上述成果应用于数控电动螺旋压力机系列产品的研制中，取得了良好效果。

The forging procedure, forging efficiency and relation between force and energy of screw press are studied by using the above method.

结果表明，应用这种方法研究螺旋压力机的锻击过程、锻击效率、力能关系是非常方便而有效的。

At the beginning, the main energetic parameters of electrical screw press have been analyzed. Then, the calculation of motor power has been given out according to the performance items.

作者首先详细分析了电动螺旋压力机的主要力能参数，结合性能指标引出了电机容量的选择依据。

The sludge residence time in the screw press and thus the filtration time can be adjusted to individual requirements by adjusting the rotational speed of the screw shaft.

污泥停留在螺旋压力机的时间，过滤的时间可以根据实际情况通过改变螺杆轴转的速调整。

In recent years, as numerical control technique has been applied, the newly electrical screw press with numerical control has emerged.

其中电动螺旋压力机采用电动机直接驱动的传动方式，代替以往广泛采用的液压伺服和机械传动方式，具有传动链短、易于维护等优点。

As to numerical control electrical screw press, there still exists some problems with key techniques to solve as the following at present:(1)The choice of the power of a motor.

但目前数控电动螺旋压力机尚存在如下关键技术：(1)电机容量的选取。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。