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Method for molding iron-based powder laser cladding pipe

A laser cladding, iron-based powder technology, applied in the direction of metal material coating process, coating, etc., can solve the problems of optimization process and application technology, few achievements, not widely used and so on

Active Publication Date: 2014-08-27
大同市森源激光再制造技术有限公司
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Problems solved by technology

[0002] At present, the laser cladding forming technology of metal powder is still in the experimental research stage, and has not been widely used in the actual engineering field, especially the laser cladding rapid prototyping of iron-based powder, and its mature optimization process and application technology results are few. To promote the development of this technology in the field of practical engineering, it is necessary to study the cladding molding process of iron-based materials, study the relationship between process parameters and molding quality, finally obtain the optimized process parameters, and master the cladding molding technology

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  • Method for molding iron-based powder laser cladding pipe
  • Method for molding iron-based powder laser cladding pipe
  • Method for molding iron-based powder laser cladding pipe

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Experimental program
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Embodiment

[0025] The equipment of the invention includes: YLS-3000 fiber laser (German IPG company); PERCITEC YC52 transmission laser cladding head (German Precitec company); 400 mesh; KUKA-KR30 manipulator, repeat positioning accuracy is less than 0.06mm.

[0026] Q235D matrix composition: refer to Table 1, the experimental matrix material is selected as Q235D steel plate, and the size of the steel plate is 100mm×30mm×8mm. Before the experiment, the oxide layer on the surface of the steel plate was polished with sandpaper, and the surface oil and impurities were washed with acetone.

[0027] Powder composition: see Table 1, the powder material for laser cladding forming is iron-based alloy powder. The particle size is 200~300 mesh. Before the experiment, the formed powder was vacuum dried to remove the moisture attached to the surface of the powder.

[0028] Table 1 Q235D, iron-based powder composition table

[0029]

[0030] Process parameters: distance between cladding head an...

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Abstract

The invention discloses a method for molding an iron-based powder laser cladding pipe, and relates to a pipe molding method. The method comprises the following steps: carrying out pipe molding path planning by using KUKA.SimPro2.0 software according to the position and related size of a model pipe; by taking a first point of a circular trace determined by a solver as an initial point, approaching the first circular trace according to the anti-clockwise direction, returning to the original initial point from a terminal point, then lifting a cladding head for 1mm in the Z-axis direction at the position, and repeating the circular trace by still taking the point as the initial point; firstly cladding 10 times in the Z-axis direction according to the method, observing the actual forming effect and then determining subsequent processing schemes; finally forming thin-wall round cooling pipelines with complicated shapes according with the usage requirements; and directly burying the pipelines into a metal cast mold with cooling pipelines with complicated shapes in the internal part, so that the finally manufactured mold can meet the cooling requirements in performance. Thus, the mold can play better efficacy in production.

Description

technical field [0001] The invention relates to a pipeline forming method, in particular to an iron-based powder laser cladding pipeline forming method. Background technique [0002] At present, the laser cladding forming technology of metal powder is still in the experimental research stage, and has not been widely used in the practical engineering field, especially the laser cladding rapid prototyping of iron-based powder. To promote the development of this technology in the field of practical engineering, it is necessary to study the cladding molding process of iron-based materials, study the relationship between process parameters and molding quality, and finally obtain the optimized process parameters and master its cladding molding technology method. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide an iron-based powder laser cladding pipeline forming method, which utilizes iron-based metal powder to perform precise trajectory i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C24/10
Inventor 张德强李金华赵帅牛兴林
Owner 大同市森源激光再制造技术有限公司
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