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常用到的试验机的特点和性能分析

发布时间:2020-05-27 来源:济南力华测试系统有限公司 浏览:

常用试验机的特点和性能...

1.常用材料测试的类型...

四种类型。...

1.液压系列:手动液压材料试验机,电动液压系统...

2.电子系列:常规电子...

They have different performances, advantages and disadvantages, and each has its own user group....

2. Performance characteristics...

1. Hydraulic testing machine series...

1) Manual hydraulic material testing machine Manual hydraulic material testing machine mainly uses simple high...

The source, the manual adjustment valve is used as the control element, and it is manually loaded manually. Therefore, it belongs to an open-loop control system....

源,手动调节阀利用控制元件,并手动进行手动加载。...

由于t...

The test speed is generally smaller....

受价格因素影响,称重传感器属...

Use pressure sensor)....

...

4...

Affected by the friction of the cylinder, the tonnage is generally difficult to be very small, and the domestic minimum is 5...

But because of it...

受圆...

2) Electro-hydraulic servo material testing machine mainly uses precision high-pressure oil source as power...

比例阀作为闭环自动控制的控制元件,因此很容易控制...

比例阀作为闭环自动控制的...

与手动液压材料试验机相同,受限于...

由于闭环自动控制,系统...

As we all know, the stiffness of a liquid is...

相对较低,为了降低液体对整个机器的硬度,与possib一样多...

Also affected by the rigidity of the whole machine, the tonnage of electro-hydraulic...

但是因为我...

2. Electronic test...

1)常规电子材料试验机常规电子产品主要使用伺服电机作为动力...

母体用作执行部件,实现对测试机动梁的速度控制。 它的测试...

Take RGM-200 as an example. Its test speed can reach up to 1 million times....

检验行程可以根据...

这是液压测试机...

这...

技术的发展与伺服电机性能的提高...

从早期选择的更多使用交流伺服电机...

用于脉冲宽度调制控制的电源模块...

High rate, poor performance...

Because conventional electronics use speed control, the rigidity of the system...

要求不是...

From...

一吨以下的试验机基本上是常规的...

Its uses are wide...

2) High performance electronic testing machine with...

它也使用...

控制方法可以...

控制方法...

In addition to the characteristics of wide degree and large stroke, it also has electro-hydraulic servo test

can...

目前,这类测试机的领导者基本上是德国多利制造的...

Column...

当然,这种类型的测试机...

当然...

控制方式,因此整机的稳定性直接关系到刚性...

因此,当有多种测试样品时,整个机器的刚度将会改变...

可以规范...

为了满足所有测试可以正常进行的情况,有必要调整控制系统的参数a...

I,D参数),这对于非自动c是困难的...

I,D参数),...

The price of this type of testing machine is relatively high....

Various new materials are emerging, and the performance of the original materials has been further improved....

Improvement...

好吧...

在1980年代之前,材料测试机的使用仅限于金属等少数领域,但是今天,材料...

使用范围不再局限于金属和其他领域,它

使用范围不再...

液压测试机主导世界...

在各种各样的测试机中,如何...

由于目前...

性能特点...

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