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High-energy micro-arc numerical control deposition method of titanium fire prevention coating

A high-energy micro-arc and chemical deposition technology, which is applied in the field of high-energy micro-arc spark numerical control deposition, can solve the problems of low preparation efficiency, the appearance characteristics, structure, and performance of the coating cannot be accurately controlled, and can solve the problem of manual labor. big effect

Active Publication Date: 2015-12-23
HARBIN INST OF TECH
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  • Application Information

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Problems solved by technology

[0009] The present invention aims to solve the problem that the traditional high-energy micro-arc spark deposition process has low preparation efficiency and cannot achieve precise control of the coating’s apparent characteristics, structure, and performance. The high-energy micro-arc spark numerical control of the anti-titanium fire coating deposition method

Method used

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  • High-energy micro-arc numerical control deposition method of titanium fire prevention coating
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  • High-energy micro-arc numerical control deposition method of titanium fire prevention coating

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specific Embodiment approach 1

[0036] Embodiment 1: A high-energy micro-arc spark numerical control deposition method of an anti-titanium fire coating comprises the following steps:

[0037] Step 1: Construct high-energy micro-arc spark numerical control deposition equipment, and the high-energy micro-arc spark numerical control deposition is also called EDM deposition;

[0038] On the basis of a three-axis CNC milling machine, a CNC EDM tool holder is used to integrate a three-axis CNC milling machine and a high-energy micro-arc spark power supply to construct a high-energy micro-arc spark CNC deposition device; The EDM tool holder is a CNC EDM tool holder proposed in the patent "A CNC EDM Tool Holder" with the application number CN201510020448.4.

[0039] Step 2: Perform high-energy micro-arc spark numerical control deposition of the anti-titanium fire coating on the equipment built in step 1. Deposition is carried out by means of parameterized programming and spot welding deposition strategy;

[0040] T...

specific Embodiment approach 2

[0059] Embodiment 2: The difference between this embodiment and Embodiment 1 is that in the step 21, the CNC milling machine positions the electrode at a distance of 10-200 mm from the surface of the titanium alloy workpiece.

specific Embodiment approach 3

[0060] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the speed at which the CNC milling machine controls the electrode to approach the surface of the titanium alloy workpiece in Step 2 and 2 is 500-8000 mm / min.

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Abstract

The invention relates to a high-energy micro-arc numerical control deposition method of a titanium fire prevention coating. The method aims to solve the problems that a traditional high-energy micro-arc deposition technology is low in preparation efficiency and appearance features, the structure and the performance of a coating can not be precisely controlled. A three-axis numerical control milling machine serves as a platform, and electric integration of the numerical control milling machine and a high-energy micro-arc power supply is achieved through a special deposition knife handle. By means of strong functions of a numerical control system, a deposition strategy and a deposition path in titanium fire prevention coating preparation are precisely controlled. The problems that the traditional high-energy micro-arc deposition technology is large in manual workload, low in efficiency and poor in coating appearance feature, structure and performance reproducibility are effectively solved. The method is applied to the field of material machining.

Description

technical field [0001] The invention relates to a high-energy micro-arc spark numerical control deposition method for an anti-titanium fire coating. Background technique [0002] Titanium and titanium alloys have been widely used as high-strength and light-weight materials in aviation, aerospace, shipbuilding, and military industries due to their high specific strength, high specific modulus, low density, and strong damage resistance. Especially in the field of aerospace, in order to improve the thrust-to-weight ratio, efficiency and effective bearing capacity, high-performance light metal material titanium alloy is widely used in the production of key components such as aero-engine compressor casings, rotor disks, rotor blades, stator blades and fan blades. . At present, about 1 / 3 of the structural mass of modern aero-engines is titanium alloy. For example, the US F22 fourth-generation fighter uses 41% titanium, and its F119 engine uses 39% titanium. [0003] Under norma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H5/04
CPCB23H5/04
Inventor 何鹏王小荣王朝琴林铁松
Owner HARBIN INST OF TECH
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