德国DIAS红外测温仪在工业锻造中的应用

德国DIAS红外测温仪在工业锻造中的应用
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德国DIAS红外测温仪在工业铸造中的应用


 


Measurement of the forming temperature during forging of metals: steel, iron  alloys
When industrial forging metal components mainly for shipbuilding, automotive, aerospace, mechanical engineering  plant construction are made, for example in so-called forging. Using the non-contact temperature measurement, the correct shaping temperature of steel, iron,  their alloys are checked when hot forging.

锻造中的正确温度是决定性的质量因素之一

Because the temperature of the workpiece before forging is one of the most important parameters  thus decisive for the quality in the production of many safety-related components. The temperature is depending on the material  process between 950 °C  1250 °C. The forged blanks are preheated to gas-fired  induction heated furnaces  therefore can  be measured directly with conventional thermocouples. For gas stoves only the internal temperature of the furnace is measured, but  the workpiece itself. In inductively heated furnaces also thermocouple measurement does  apply.

用非接触测温用红外测温仪替代传统的热电偶

That is the reason why it is essential to check the work pieces for the correct forging temperature directly at the exit of the furnace with pyrometers before it will be taken into the forging press. These pyrometers must have a very short response time, very small spot sizes,  a peak picker as the parts are always moving. Only the combination of these 3 properties enables a very exact measurement even if the work piece has scale on the surface.

When industrial forging attention must be paid to the proper forming temperature forging temperature.
When industrial forging attention must be paid to the proper forming temperature  forging temperature. Image source: Deutsche Fotothek/Wikimedia Commons/CC BY-SA 3.0
The proper forging temperature of the workpiece is a decisive quality factor.
The proper forging temperature of the workpiece is a decisive quality factor. Image source: Deutsche Fotothek/Wikimedia Commons/CC BY-SA 3.0
The temperature is depending on the forging blank (steel, iron, alloys) process between 950 °C 1250 °C.
The temperature is depending on the forging blank (steel, iron, alloys)  process between 950 °C  1250 °C. Image source: Deutsche Fotothek/Wikimedia Commons/CC BY-SA 3.0

在炉窑出口处采用DIAS红外测温仪进行锻造温度的快速非接触测温

So the pyrometer can detect the real material temperature in smallest scratches of the scale  store it in the peak picker. Additionally this fast measurement enables the controlling of a separator to reject too hot  too cold parts  to record each forging piece.

For this measurement task, the robust, stationary pyrometers PYROSPOT DS 40N  DS 42N are used in 2-wire technology  PYROSPOT DS 44N  DS 10N. The pyrometer DS 44N  DS 10N offer besides the usual measuring output of 0/4 to 20 mA another online digital interface RS-485, which also enables the networking of several devices in one bus system. For exact alignment of the pyrometer there are LED  laser targeting light, view finder  video module available.

DIAS pyrometers PYROSPOT for reliable non-contact temperature measurement in forging forming.
DIAS pyrometers PYROSPOT for reliable non-contact temperature measurement in forging  forming.

兼容性很强的参数设置软件、多种红外测温仪附件可选

The software PYROSOFT Spot  PYROSOFT Spot Pro allow adjustment of all parameters,  thus the optimum adaptation to the process  the digital evaluation of the measured values. For precise alignment  stable mounting, adjustable mounting brackets are used for the permanent low maintenance. Air purge for pyrometers are used for keeping the optics clean  cooling housings are available for use in high ambient temperatures.


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