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Motor casing casting material

A motor shell and raw material technology, applied in the field of casting materials, can solve the problems of affecting the service characteristics and life of the motor, poor vibration frequency characteristics, poor processing characteristics, etc., and achieve good vibration and acoustic characteristics, good processing characteristics, and improved shrinkage. Large effect of loose tendency

Active Publication Date: 2017-02-22
FUNAN COUNTY FENJIN MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing cast iron materials have problems such as low hardness, weak deformation resistance, poor processing characteristics, and poor vibration frequency characteristics, which ultimately affect the overall service characteristics and life of the motor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A motor casing casting material, the weight percentage of its constituent elements is: 3.0% carbon, 1.8% silicon, 0.8% manganese, 0.01% phosphorus, 0.02% sulfur, 0.03% magnesium, 0.03% strontium, 0.03% vanadium, Tungsten 0.02%, zirconium 0.01%, tin 0.02%, titanium 0.1%, copper 0.3%, chromium 0.1%, mixed rare earth 0.25%, and the balance is iron.

[0014] Further, the weight percent content of each constituent element in the mixed rare earth is: lanthanum 58%, cerium 25%, neodymium 8%, yttrium 3.1%, ytterbium 5.3%, impurity 0.6%, and the impurity is made of iron, zinc , magnesium, silicon, tungsten and molybdenum.

[0015] A method for preparing a casting material for a motor casing, comprising the steps of:

[0016] (1) First add iron raw materials into the furnace in order according to the grade level, heat to 1280°C, after the melting is completed, then raise the temperature to 1450°C, and add ferrosilicon and ferromanganese, after melting evenly, finally put The te...

Embodiment 2

[0019] A motor casing casting material, the weight percentage of its constituent elements is: carbon 3.2%, silicon 1.9%, manganese 1.0%, phosphorus 0.02%, sulfur 0.03%, magnesium 0.04%, strontium 0.04%, vanadium 0.04%, Tungsten 0.02%, zirconium 0.01%, tin 0.03%, titanium 0.15%, copper 0.4%, chromium 0.13%, mixed rare earth 0.3%, and the balance is iron.

[0020] Further, the weight percent content of each constituent element in the mixed rare earth is: lanthanum 58%, cerium 25%, neodymium 8%, yttrium 3.1%, ytterbium 4.3%, impurity 1.6%, and the impurity is made of iron, zinc , magnesium, silicon, tungsten and molybdenum.

[0021] A method for preparing a casting material for a motor casing, comprising the steps of:

[0022] (1) First put the iron raw materials into the melting furnace in order according to the grade level, heat to 1300°C, after the melting is completed, then raise the temperature to 1460°C, and add ferrosilicon and ferromanganese, after melting evenly, finall...

Embodiment 3

[0025] A motor casing casting material, the weight percentage of its constituent elements is: carbon 3.4%, silicon 2.0%, manganese 1.1%, phosphorus 0.03%, sulfur 0.04%, magnesium 0.05%, strontium 0.05%, vanadium 0.05%, Tungsten 0.03%, zirconium 0.02%, tin 0.04%, titanium 0.2%, copper 0.5%, chromium 0.15%, mixed rare earth 0.35%, and the balance is iron.

[0026] Further, the weight percent content of each constituent element in the mixed rare earth is: lanthanum 58%, cerium 25%, neodymium 8%, yttrium 3.1%, ytterbium 5.1%, impurity 0.8%, and the impurity is made of iron, zinc , magnesium, silicon, tungsten and molybdenum.

[0027] A method for preparing a casting material for a motor casing, comprising the steps of:

[0028] (1) First add iron raw materials into the furnace in order according to the grade level, heat to 1320°C, after the melting is completed, then raise the temperature to 1470°C, and add ferrosilicon and ferromanganese, after melting evenly, finally put The t...

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PUM

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Abstract

The invention discloses a motor casting material, and belongs to the field of casting materials. The material comprise, by weight, 3.0-3.4% of carbon, 1.8-2.0% of silicon , 0.8-1.1% of manganese, 0.01-0.03% of phosphorus, 0.02-0.04% of sulphur, 0.03-0.05% of magnesium, 0.03-0.05% of strontium, 0.03-0.05% of vanadium, 0.02-0.03% of tungsten, 0.01-0.02% of zirconium, 0.02-0.04% of tin, 0.1-0.2% of titanium, 0.3-0.5% of copper, 0.1-0.15% of chrome, 0.25-0.35% of misch metal, and the balance iron. Strength, hardness and corrosion resistance of gray cast iron prepared through the motor casing casting material are high, and during casting, shrinkage cavities are not prone to being formed; the rate of finished products is high, the machining characteristic of the gray cast iron is good, machining is convenient, and the gray cast iron is not prone to deformation. Vibrating and acoustic characteristics of a prepared motor casing are good, and the service life is long.

Description

technical field [0001] The invention belongs to the field of casting materials, and in particular relates to a casting material for a motor casing. Background technique [0002] Motor casings are mostly made by casting, which has the characteristics of convenient molding and high efficiency. The material used for casting is still mainly cast iron. Most of the existing cast iron materials have problems such as low hardness, weak deformation resistance, poor processing characteristics, and poor vibration frequency characteristics, which ultimately affect the overall service characteristics and life of the motor. Contents of the invention [0003] The invention aims to provide a casting material for a motor casing, the obtained cast iron has good characteristics, and can well improve the service performance and life of the motor. [0004] The present invention is realized through the following technical solutions: [0005] A motor casing casting material, the weight percent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C37/10C22C37/06C22C33/08
CPCC22C33/08C22C37/06C22C37/10
Inventor 黄林
Owner FUNAN COUNTY FENJIN MACHINERY MFG
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