Method and device for measuring surface shape of honeycomb core
AssigneeDalian University of Technology
InventorsRenke Kang, Zhigang Dong, Xianglong Zhu, Yan Qin, Yidan Wang
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Abstract
A method for measuring a surface shape of a honeycomb core includes the following steps: coating a reflective film on the surface of the honeycomb core to be measured, using a vacuum adsorption method to adhere the reflective film closely to the surface of the honeycomb core to be measured, and recessing the reflective film at a honeycomb cell downwards; and performing scanning measurement on the reflective film on the surface of the honeycomb core to be measured to obtain the heights of a honeycomb wall of the honeycomb core at different spatial positions. A device carries out the measurement of the surface shape of a honeycomb core.
Claims13
A method for measuring surface shape of honeycomb core, comprising:
- step 1:
- applying a reflective film on a surface of a honeycomb core using a vacuum adsorption method to adhere the reflective film to the surface of the honeycomb core, and recessing the reflective film at a honeycomb cell downwards;
- and
- step 2:
- performing scanning measurement on the reflective film adhered to the surface of the honeycomb core to obtain a height of a honeycomb wall of the honeycomb core at a plurality of spatial positions.
A device for measuring surface shape of honeycomb core, comprising:
- a reflective film laying system for laying a reflective film on an open surface of a honeycomb core;
- a reflective film vacuum adsorption system for adhering the reflective film on the open surface of the honeycomb core by applying a vacuum;
- a measurement motion system configured to move a laser measurement sensor horizontally and vertically so that the laser measurement sensor scans the reflective film adhered on the open surface of the honeycomb core;
- and
- a data processing system for processing data measured by the laser measurement sensor,
- wherein the measurement motion system comprises a machine tool workbench, a horizontal two-dimensional motion platform mounted on the machine tool workbench and configured to horizontally move relative to a machine tool workbench and a vertical motion platform affixed to the horizontal two-dimensional motion platform, and the laser measurement sensor is affixed to the vertical motion platform and configured to move horizontally with the vertical motion platform about the horizontal two-dimensional motion platform and to move vertically about the vertical motion platform,
- wherein the reflective film vacuum adsorption system comprises a vacuum adsorption platform affixed to the machine tool workbench, wherein the vacuum adsorption platform comprises an air-permeable fixing plate, the air-permeable fixing plate is provided with an air-permeable double-sided adhesive tape for affixing a honeycomb core, and the vacuum adsorption platform is connected with a vacuum generating device through an air duct,
- wherein the reflective film laying system comprises a film drawing mechanism and a film cutting mechanism,
- wherein the film drawing mechanism comprises a reflective film storage box affixed to the machine tool workbench, a film-drawing rod, and a transmission device for driving the film-drawing rod to move along a horizontal direction, the film-drawing rod is provided with a first clip for drawing out a reflective film placed in the reflective film storage box, and the reflective film storage box is internally provided with a rotating core shaft for winding the reflective film,
- wherein the film cutting mechanism comprises a switch for controlling rotation of the rotating core shaft, a rotational shaft, a handle for controlling the rotation of the rotational shaft, and a blade arranged on the rotational shaft, and
- wherein the film cutting mechanism are affixed to the machine tool workbench.
Dependencies are inferred from the claim text.