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Alloy steel frog 3D printing micro-casting and forging welding wire manufacturing process for additive manufacturing

A 3D printing and additive manufacturing technology, which is applied in the field of welding wire manufacturing process for alloy steel frog 3D printing micro-casting and forging additive manufacturing, can solve the problems of blankness and inability to apply rail frogs, etc.

Active Publication Date: 2021-05-14
艾安
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, 3D printing micro-casting and forging has matured, but the products of alloy steel combined frogs for special positions are blank
3D printing micro-surfacing requires special welding wire. The current technology is only suitable for 3D printing and cannot be applied to rail frogs in practice.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Alloy steel frog 3D printing micro-casting and forging additive manufacturing welding wire manufacturing process, step 1, material selection, round blank, material diameter 4.5-5.0mm, surface condition: burr, oil, color (black); step 2 , pre-drawing treatment, the first stage: material peeling-----cleaning----electrolytic pickling-----cleaning-----boridation; After that, the shelling treatment is carried out to remove the rusted oxide skin on the surface, and then the oxide powder of the blank is cleaned, and the material is cleaned until the material exposes the gray-white steel substrate (base metal) itself, and then the substrate is subjected to electrolytic pickling (the ratio is: 18% sulfuric acid + 3% pickling accelerator), electrolytic pickling of the base metal, secondary cleaning to remove the residue of sulfuric acid and sulfuric acid accelerator on the surface, and boronizing the base material, adding boron sand, adding water, and heating to After 220 degrees...

specific Embodiment 2

[0019] Alloy steel frog 3D printing welding wire manufacturing process for micro-casting and forging additive manufacturing, step 1, material selection, round blank, material diameter 5.0mm, surface condition: burr, oil stain, color; step 2, pre-drawing treatment , the first stage: material peeling-----cleaning----electrolytic pickling-----cleaning-----boridation; peeling treatment after paying off the incoming coil substrate , remove the rusted oxide skin on the surface, and then clean off the oxidized powder of the billet, clean until the material exposes the gray-white steel substrate itself, and then electrolytically pickle the substrate (the ratio is: 18% sulfuric acid + pickling accelerator 3 %), after electrolytic pickling of the base metal, carry out secondary cleaning to remove sulfuric acid and sulfuric acid accelerator residues on the surface, and then carry out boronization treatment on the base metal, add boron sand, add water, heat to 220 degrees, and then place t...

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PUM

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Abstract

This patent relates to welding wire for surfacing welding of iron track turnout frogs, specifically a welding wire manufacturing process for 3D printing micro-casting and forging additive manufacturing of alloy steel frogs. Alloy steel frog 3D printing micro-casting and forging welding wire manufacturing process, the production process is, material selection, material peeling, cleaning, electrolytic pickling, cleaning, boronization, heating, drawing, titanium alloy powder spraying, plating Copper, degreasing, electrolytic alkali cleaning, water rinsing, electrolytic pickling, water rinsing, activation and neutralization, preheating, spraying, baking, copper plating, neutralization, and drying steps. The advantage of this technology is that it is more suitable for 3D printing equipment, the surfacing effect is good, and the product texture is uniform. The alloy steel composite frog using this technology product has a long service life and a stable structure.

Description

technical field [0001] The patent relates to a welding wire for surfacing welding of an iron track frog frog, in particular to a welding wire manufacturing process for 3D printing micro-casting and forging additive manufacturing of an alloy steel frog. Background technique [0002] The existing iron track frog frog technology is cast, forged and polished at one time, and then installed and used. After serious wear and tear, it is replaced and the old equipment is scrapped and returned to the furnace. Such technology requires high cost of railway maintenance and high environmental pressure. At present, 3D printing micro-casting and forging has matured, but the product of special position railway alloy steel combination frog is blank. 3D printing micro-surfacing requires special welding wire. The current technology is only suitable for 3D printing, and cannot be applied to rail frogs in specific practice. SUMMARY OF THE INVENTION [0003] In view of the above problems in t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K35/40
CPCB23K35/40
Inventor 艾安
Owner 艾安