A method for forming iron-based powder laser cladding pipes
A laser cladding, iron-based powder technology, applied in the direction of metal material coating process, coating, etc., can solve the problems of less optimization process and application technology achievements, not widely used and so on
Active Publication Date: 2016-06-29
大同市森源激光再制造技术有限公司
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[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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[0025] The equipment of the present invention includes: YLS-3000 fiber laser (Germany IPG company); PERCITECYC52 transmission laser cladding head (Germany Precitec company); FHPF-10 coaxial powder feeder (Feihong laser), the range of powder feeding particles is 200~400 Mesh; KUKA-KR30 manipulator, repeat positioning accuracy is less than 0.06mm.
[0026] Q235D matrix composition: see 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 off with sandpaper, and the surface oil and impurities were cleaned 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 powder surface.
[0028] Table 1 Q235D, iron-based powder...
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Abstract
An iron-based powder laser cladding pipeline forming method relates to a pipeline forming method, the method includes using KUKA. The first point of the circular trajectory is taken as the initial point, and the first circular trajectory is approached in the counterclockwise direction, and the end point returns to the original initial point. Then, at this position, the cladding head is lifted by 1mm in the Z-axis direction, and the This point is the initial point to repeat the circular trajectory just now. According to this method, 10 layers of cladding in the Z-axis direction will be performed first, and the subsequent processing plan will be determined after observing the actual forming effect; finally, a thin-walled circular cooling pipeline with a complex shape that meets the needs of use will be formed. , The pipes are directly embedded in the metal and cast into a mold with complex cooling pipes inside, so that the performance of the final mold can meet the cooling requirements, so that the mold can play a better role in production.
Description
technical field [0001] The invention relates to a pipe forming method, in particular to an iron-based powder laser cladding pipe 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 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. Contents of the invention [0003] The purpose of the present invention is to provide a iron-based powder laser cladding pipe forming method, which uses iron-bas...
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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