I. Technical Indexes of the GF-CLP Thickness Sensor
Paper thickness measurement range: 0—2.5㎜;
Linear range: 2㎜;
Static resolution: 0.2μm;
Dynamic resolution: 2μm, or 2% of the thickness of the measurement object, which is greater;
Measurement probe temperature excursion: Within -20℃- +100℃≤ ±0.005%/ ℃
II. Measurement Principle of the GF-CLP Thickness Sensor
GFCLP finished paper thickness sensor measures the thickness of the paper or paper board by contacting, which is consisted of lower inductive sensor head, upper sensor measurement head, bearing platform (Smart5200 smart scanning frame), thickness detection software and specific sensor software.
The GFCLP finished paper thickness sensor is located in the probe of the Smart5200 smart scanning frame and its lower and upper probes can move up and down, which are driven by the compressed air of 3-5Kpa. The pressure of the compressed air can be automatically set according to the paper thickness. The paper web thickness corresponds to the Q value of the electromagnetic oscillation circuit. Through the movement on the paper of the probe, measure the thickness of the whole paper and form a horizontal and longitudinal thickness curve after computer processing. The GFCLP finished paper thickness sensor carries out the contact measurement and the requirement for the abrasive resistance of the probe surface is high. Therefore, the ruby coating is pasted on the upper and lower probes to increase the abrasive resistance of the sensor and ensure not to scratch the detected paper at the same time.
III. Technical Characteristics of the GF-CLP Thickness Sensor:
The GF-CLP finished paper thickness sensor is an alternative imported product which is first successfully developed by our Company (At present, it has reached the leading level in China.). This system uses the newest detection head device of the national aerospace technology and the imported rate of the whole device is 90% above, with its technical performance index reaching and exceeding that of the overseas products.
The GF-CLP finished paper thickness sensor is a high-grade, precision and advanced product with integration of the highly precision sensing technology, air floating hydromechanics discipline, precision pneumatic constant pressure technology, dynamic calibration technology, computer data processing technology and process control software technology.
Through quick and accurate data processing for the highly precision sensor signals of the computer, the GF-CLP finished paper thickness sensor has incomparable measurement precision and through the horizontal and longitudinal paper entry, the detection head ensures the detection of the whole production process.
The GF-CLP finished paper thickness sensor is consisted of the imported flexible constant pressure air bag, imported ruby head with abrasive resistance, electromagnetic displacement transmitter of German MICRO EPSILON Company, precision air floating controller of Japanese SMC Company etc. making the detection head have sufficient flexibility and accurate repeated positioning accuracy. The dedicatedly designed probe loading and unloading programs make the thickness detection system to be not impacted by the broken paper, paper injection, maintenance and so on.
Structure Diagram of the GF-CLP Finished Paper Thickness Sensor
Appearance Diagram of the GF-CLP Finished Paper Thickness Sensor
Field Service Effect Picture of the GF-CLP Finished Paper Thickness Sensor
Display Frame of the System Ration, Moisture and Horizontal Thickness Curve
As shown in the above Figure, this frame shows the horizontal change of the parameters such as paper ration, moisture, thickness etc. and the frame storage is more personalized. The interface will automatically save it provided that you click the Save button on the interface of various interfaces. This function is newly researched and developed by our Company.
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