Automatic repair of flat, textured objects, such as wood panels having aesthetic reconstruction

A technology for automatic repair and surface texture, which is used in wood processing appliances, general control systems, instruments, etc.

Inactive Publication Date: 2011-08-17
BAUMER INNOTEC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in systems known to date, repairs are still visible due to interruptions in the surface texture

Method used

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  • Automatic repair of flat, textured objects, such as wood panels having aesthetic reconstruction
  • Automatic repair of flat, textured objects, such as wood panels having aesthetic reconstruction
  • Automatic repair of flat, textured objects, such as wood panels having aesthetic reconstruction

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0043] figure 1 A prior art automatic repairing device for panels with a natural wood surface 11 is shown in simplified form, comprising a black / white scanner 12 for identifying physical defects 15 and measuring their position, a for A first Cartesian XYZ robot 13 for moving a milling cutter to the defect 16 , a second Cartesian XYZ robot 14 for moving a filler injection tool to the milled defect 17 . With regard to the repairing step, a device of this type can also be used in the method according to the invention, or as a component of the device according to the invention.

[0044] figure 2 A timber surface 21 with a decayed, missing knothole is shown before 22 and after 23 repair by caulking. Defects are visually conspicuous and objectionable due to the homogeneous, unpatterned filler of the repaired knotholes 23 , although the shade of the filler is well matched to the shade of the wood surface.

[0045] image 3 Defects are shown in simplified form as black / white line...

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PUM

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Abstract

The invention relates to an automatic system for repairing surfaces having natural patterns, particularly wood panels, wherein after the automatic detection and repair of the faulty regions by smoothing or doweling, the visually apparent repair regions are decorated locally by a numerically controlled decoration process, particularly an ink jet printing technology. To this end, the panel is captured optically by a scanner, which in particular can detect colors, in addition to an image generator suitable for detecting the faulty regions. From the global color and structure characteristics of the panel and the local color and structure characteristic of each individual faulty region, local decoration patterns to be applied automatically are derived, which allow the faulty region to not be apparent any longer and give the panel a desired aesthetic appearance both locally and globally.

Description

Background technique [0001] Boards made of solid wood or with a natural wood surface are used extensively in the flooring industry, in the furniture industry and in building construction. Due to the high price of natural wood, these boards often consist of a composite of multi-layer fibreboard or inexpensive wood and a thinner visible layer of natural wood veneer or natural solid wood, the latter for The aesthetic impression is decisive. Since the natural material wood always has many defects such as loose or decayed knotholes, cut medullary canals, cracks, etc., these defects must be repaired locally in order to ensure a good physical quality of the surface (flatness, tightness, etc.). [0002] This process is still carried out manually in most wood panel production. A large number of employees inspect the surface of a board purely by sight, mill out defects such as knotholes, medullary canals, etc. with a hand tool and repair these milled out places by introducing a fille...

Claims

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Application Information

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IPC IPC(8): B27G1/00
CPCG05B2219/50212G05B2219/32237G05B2219/32228B27G1/00
Inventor R·马森
Owner BAUMER INNOTEC
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