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Casting process of abrasion-resistant low-porosity shot blasting machine vane

A shot blasting machine blade and casting process technology, which is applied in the casting field of metal wear-resistant parts, can solve the problems affecting the service life of the blade and blade wear, and achieve the effects of high production efficiency, less smoke and dust, and low temperature

Active Publication Date: 2014-07-23
江苏飞腾铸造机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Shot blasting machine is a kind of casting equipment that uses high-speed projectiles thrown by the shot blasting machine to clean or strengthen the surface of castings. When the shot blasting machine is working, it mainly uses the high-speed rotating blades on the shot blasting machine to move the abrasive particles in a certain direction under the action of high centrifugal force. Throwing to achieve the purpose of cleaning the workpiece. The shot blasting machine is a key component of the shot blasting machine. Its quality and service life directly depend on the blade. When the blade is working in the high-speed rotating impeller, the abrasive particles accelerate along the length of the blade. After the particles reach the top of the blade, they will form a fan-shaped beam at a very high speed and hit the surface of the workpiece, thereby achieving the purpose of shot blasting the surface of the workpiece. The blades on the shot blasting machine are severely worn, which seriously affects the service life of the blades

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] This embodiment provides a casting process for a wear-resistant low-porosity shot blasting machine blade, which includes the following steps:

[0041] Step (1): Make a mold with molding sand and core sand as molding materials. Before making the mold, put the molding sand in the molding material in an oven for drying;

[0042] Step (2): Select the casting ingredients, including returned iron, iron filings and steel scrap, and flame bake the casting ingredients. The scrap steel is carbon steel or low-carbon steel, and the iron filings are ductile iron waste. The content is: iron filings 20%, scrap steel 25%, returned furnace iron 55%;

[0043] Step (3): Put the returned iron, iron filings and steel scrap in the casting ingredients after flame baking into the intermediate frequency induction furnace with acidic lining to melt them into the original molten iron. The layer is added to the electric furnace, the melting temperature is 1450°C, and copper is added to the origin...

Embodiment 2

[0058] This embodiment provides a casting process for a wear-resistant low-porosity shot blasting machine blade, which includes the following steps:

[0059] Step (1): Make a mold with molding sand and core sand as molding materials. Before making the mold, put the molding sand in the molding material in an oven for drying;

[0060] Step (2): Select the casting ingredients, including returned iron, iron filings and steel scrap, and flame bake the casting ingredients. The scrap steel is carbon steel or low-carbon steel, and the iron filings are ductile iron waste. The content is: 15% of iron filings, 23% of scrap steel, and 62% of returned iron;

[0061] Step (3): Put the returned iron, iron filings and steel scrap in the casting ingredients after flame baking into the intermediate frequency induction furnace with acidic lining to melt them into the original molten iron. The layer is added to the electric furnace, the melting temperature is 1450°C, and copper is added to the o...

Embodiment 3

[0076] This embodiment provides a casting process for a wear-resistant low-porosity shot blasting machine blade, which includes the following steps:

[0077] Step (1): Make molds with molding sand and core sand as molding materials. Before making molds, put the molding sand in the molding materials in an oven for drying;

[0078] Step (2): Select the casting ingredients, including returned iron, iron filings and steel scrap, and flame bake the casting ingredients. The scrap steel is carbon steel or low-carbon steel, and the iron filings are ductile iron waste. The content is: 15% iron filings, 20% scrap steel, and 65% returned iron;

[0079]Step (3): Put the returned iron, iron filings and steel scrap in the casting ingredients after flame baking into the intermediate frequency induction furnace with acidic lining to melt them into the original molten iron. The layer is added to the electric furnace, the melting temperature is 1450 °C, and copper is added to the original molt...

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Abstract

The invention discloses a casting process of an abrasion-resistant low-porosity shot blasting machine vane. Firstly, drying treatment is carried out on molding sand used for manufacturing a casting mold, casting burdened materials are selected, loaded into an electric furnace and melted into raw molten iron, pretreating agents are added into the raw molten iron, then the raw molten iron is discharged from the furnace and sequentially subjected to spheroidizing, two times of inoculation and casting molding, the shot blasting machine vane finished product is obtained after annealing, quenching, tempering, shot blasting cleaning and machining, and the shot blasting machine vane finished product is checked and put in storage. The casting process of the abrasion-resistant low-porosity shot blasting machine vane can largely improve the abrasion resistance and toughness of the shot blasting machine vane, reduces air holes in the shot blasting machine vane, prolongs the service life of the shot blasting machine vane, is easy to operate, is low in cost and produces a little smoke dust in the casting process.

Description

technical field [0001] The invention belongs to the technical field of casting metal wear-resistant parts, and in particular relates to a casting process of a shot blasting machine blade, in particular to a casting process of a wear-resistant and low-porosity shot blasting machine blade. Background technique [0002] Shot blasting machine is a kind of casting equipment that uses high-speed projectiles thrown by the shot blasting machine to clean or strengthen the surface of castings. When the shot blasting machine is working, it mainly uses the high-speed rotating blades on the shot blasting machine to move the abrasive particles in a certain direction under the action of high centrifugal force. Throwing to achieve the purpose of cleaning the workpiece. The shot blasting machine is a key component of the shot blasting machine. Its quality and service life directly depend on the blade. When the blade is working in the high-speed rotating impeller, the abrasive particles are ac...

Claims

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Application Information

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IPC IPC(8): B22D1/00C22C33/08C21C1/10C21D1/18C21D5/00
CPCY02P10/20
Inventor 潘绍兵
Owner 江苏飞腾铸造机械有限公司
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