电涡流传感器

电涡流位移传感器用于精密铣床主轴膨胀检测-eddy

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发布日期:2017-02-27 浏览:

 

 

       

 

 

SGS主轴膨胀测量系统SGS4701(Spindle Growth System)专门为高速铣床应用开发。由于加工过程中主轴的高速旋转和由此产生的热量,高精密铣床主轴的线性热膨胀需要被补偿,以确保机床的加工精度。德国米铱公司提供的SGS传感器可以测量机床主轴由于发热和离心力的作用导致的伸长尺寸。SGS的测量值可以作为修正值直接输入到CNC机床的数控系统,补偿定位误差。SGS4701测量系统采用电涡流测量原理。正是由于采用了这种非接触测量原理,使探头免于磨损。另外,测量过程也免于热,灰尘和油污的干扰。

SGS4701测量系统包含探头,探头电缆和控制器。在出厂时,被校准为适合测量铁磁性材料或非铁磁性材料。两支微型电涡流探头,可以直接安装于主轴旁。由于直接测量变形发生的部位,避免了长测量链导致的误差。除了测量位移信息以外,探头同时可以测得温度信息并输出。控制器可以通过法兰盘被安装于主轴箱内或直接安装在主轴内。

德国米铱公司电涡流位移传感器特点和为客户带来的好处:

- 高性价比设计
- 小型化探头外形设计
- 微型紧凑的控制器
- 可以测量铁磁性材料或非铁磁性材料
- 同时测量温度信息

The displacement measurement system SGS 4701 (Spindle Growth System) has been developed specifically for high speed milling machine applications. Due to high machining speeds and the heat generated, the linear thermal extension of the precision machine tool spindle needs to be compensated for in order to keep the tool in a defined position at all times. The SGS sensor measures the thermal and centrifugal force extension of the spindle. These measurement values are fed into the CNC machine tool as correction values, compensating for any positioning errors. The SGS 4701 operates on the eddy current measuring principle. This non-contact measurement is wear-free. Furthermore, the measurement procedure is resistant to disturbances such as heat, dust and oil.

The SGS 4701 consists of a sensor, a sensor cable and a controller, factory calibrated for ferromagnetic and non-ferromagnetic measurement objects. Two miniature sensors enable it to be installed directly in the spindle, where the measurements take place, typically on the labyrinth-ring of the spindle. As well as measuring linear thermal extension, the temperature of the sensor is also detected and output. The compact controller can be installed on the spindle housing via a flange or directly in the spindle.

Features & Benefits:

    Cost-effective design
    Miniature sensor design
    Miniature, compact controller
    Suitable for ferro- and non-ferromagnetic materials
    Temperature measurement integrated in the sensor

 



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电涡流位移传感器



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