Aero-engine labyrinth disc hot list processing thickness information extraction system

An aero-engine and information extraction technology, applied in the field of inspection, can solve problems such as rapid detection and evaluation of the coating surface of the grate tooth disc, hidden dangers, and product quality, and achieve the effect of eliminating various hidden dangers, improving efficiency, and improving accuracy.

Inactive Publication Date: 2010-04-14
DALIAN MARITIME UNIVERSITY
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Problems solved by technology

In addition, the existing detection techniques are all point detection or partial detection methods, which cannot quickly complete the rapid detection and evaluation of the entire grate plate coating surface, and areas that are prone to missed inspections may lead to product quality hazards

Method used

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  • Aero-engine labyrinth disc hot list processing thickness information extraction system
  • Aero-engine labyrinth disc hot list processing thickness information extraction system
  • Aero-engine labyrinth disc hot list processing thickness information extraction system

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Embodiment Construction

[0016] The present invention mainly comprises following three parts:

[0017] (1) Use an industrial robot and a non-contact laser scanning head to scan the three-dimensional surface of the grate plate of the aircraft engine to be sprayed.

[0018] (2) Scan the grate plate after spraying again

[0019] (3) Subtracting the two scanning data along the spraying direction to obtain the coating thickness information data of the spraying area.

[0020] Combining the above two parts, the coating thickness detection process of a typical grate disc is introduced in detail below:

[0021] Step 1: Enter the basic parameters of the grate plate

[0022] Size: 30×20×12cm 3 ,

[0023] Material: carbon steel

[0024] Surface roughness: ≤0.5%.

[0025] Step 2: Surface scan before painting

[0026] The industrial robot drives the laser scanning head to scan the three-dimensional surface of the grate plate to be sprayed to generate three-dimensional data before spraying.

[0027] Step 3: ...

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Abstract

The invention relates to an aero-engine labyrinth disc hot list processing thickness information extraction system which consists of an industrial robot, a laser scanning head and an automatic control positioner, wherein the non-contact laser scanning head is connected with the industrial robot by a data cable for transmitting scanning data, and is connected with a control cabinet by a communication cable so as to transfer the scanning data when receiving a motion command; the control cabinet is connected with a computer through a network port and is used for transferring a control command and the scanning data; the computer mainly completes the core tasks such as motion scan path planning, data processing and coating thickness and the like; and the high accuracy automatic control positioner and the industrial robot are connected with the main control computer by data lines, and receive the control command sent out by the main control computer to finish the spraying operation until a spraying aero-engine labyrinth disc is fixed on the positioner. The system can automatically and efficiently acquire comprehensive aero-engine labyrinth disc hot list processing thickness information distribution data, so as to be applicable to the spraying occasion of the aero-engine labyrinth disc hot list processing.

Description

technical field [0001] The invention belongs to the technical field of detection, and specifically relates to a system for extracting thickness information of an aero-engine grate disc heat meter. Background technique [0002] Spraying of aero-engine grate plate is a common heat surface processing technology, and all large-scale aero-engine processing enterprises are equipped with special spraying workshops. Due to the characteristics of the spraying process, there is a certain uncertainty in the thickness of the coating, so it is necessary to detect the thickness of the coating. [0003] Existing methods for measuring the coating thickness of grate discs mainly include: wedge cutting method, optical section method, electrolysis method, thickness difference measurement method, weighing method, X-ray fluorescence method, β-ray backscattering method, capacitance method, ultrasonic method, etc. method and eddy current measurement method. Among these methods, the first five ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418B05C21/00G01B11/06
CPCY02P90/02
Inventor 马孜胡英黄进吴翔王文标汪洋张旭吴德烽李爱国
Owner DALIAN MARITIME UNIVERSITY
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