20240033806. METHOD FOR DETERMINING THE THICKNESS OF A MATERIAL STRIP DURING THE FEED OF THE MATERIAL STRIP TO THE MACHINING ZONE OF A MACHINE TOOL simplified abstract (BRUDERER AG)

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METHOD FOR DETERMINING THE THICKNESS OF A MATERIAL STRIP DURING THE FEED OF THE MATERIAL STRIP TO THE MACHINING ZONE OF A MACHINE TOOL

Organization Name

BRUDERER AG

Inventor(s)

Ugo De Santis of Roggwil (CH)

[[:Category:Herbert H�gger of Götzis (AT)|Herbert H�gger of Götzis (AT)]][[Category:Herbert H�gger of Götzis (AT)]]

METHOD FOR DETERMINING THE THICKNESS OF A MATERIAL STRIP DURING THE FEED OF THE MATERIAL STRIP TO THE MACHINING ZONE OF A MACHINE TOOL - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240033806 titled 'METHOD FOR DETERMINING THE THICKNESS OF A MATERIAL STRIP DURING THE FEED OF THE MATERIAL STRIP TO THE MACHINING ZONE OF A MACHINE TOOL

Simplified Explanation

The patent application describes a method for determining the thickness of a material strip when feeding it to a machine tool's processing zone. The material strip is clamped between two rotatable rollers, and their relative position to each other is detected in the original state and during the feed operation.

  • The method detects the reference relative position of the rollers in their original state with clean rollers and "zero" roller spacing.
  • The current relative position of the rollers is determined for each feed interval.
  • The difference between the current relative position and the reference relative position gives the thickness of the strip material.
  • The method corrects the thickness measurement for any changes in the diameter of the rollers that may have occurred due to contamination.
  • An assigned reference angle of rotation is detected for at least one roller in the original state with clean rollers at a detected reference feed length.
  • Deviations from the original ratio of feed length/angle of rotation for this roller are converted into a diameter change and taken into account in the calculation of the strip thickness.

Potential Applications:

  • Manufacturing industries that use machine tools for processing material strips, such as metalworking, woodworking, or plastic processing.
  • Quality control processes in industries where accurate strip thickness is critical, such as automotive, aerospace, or electronics.

Problems Solved:

  • Accurate measurement of strip thickness in the presence of roller diameter changes caused by contamination or wear.
  • Elimination of errors in thickness measurement due to deviations in roller position during the feed operation.

Benefits:

  • Improved accuracy in measuring strip thickness, leading to better quality control and product consistency.
  • Reduction in material waste and production costs by ensuring precise strip thickness.
  • Increased efficiency and productivity by minimizing the need for manual adjustments or rework based on inaccurate thickness measurements.


Original Abstract Submitted

a method for determining the thickness of a material strip () when feeding the material strip () to the processing zone of a machine tool (). the material strip () is clamped between two rotatable rollers (), whose relative position to each other in the original state with clean rollers and “zero” roller spacing was detected (reference relative position) and whose relative position to each other in the intended feed operation is determined for each feed interval (current relative position). the difference between the current relative position and the reference relative position, which gives the thickness of the strip material () when the rollers are clean in their original state, is corrected according to the invention for any changes in diameter of the rollers () that may have occurred, for example, due to contamination. for this purpose, in the original state with clean rollers () in a reference feed operation, an assigned reference angle of rotation of the roller () is additionally detected for at least one of the rollers () at a detected reference feed length, so that the original ratio of feed length/angle of rotation for this roller () is known and thus its original diameter is also clearly defined. if there are deviations from these parameters during the intended feed operation, the deviations are converted into a diameter change of the at least one roller () and taken into account in the calculation of the thickness of the material strip (). the invention makes it possible to solve today's problems in strip thickness measurements with rollers.

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