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Aluminum forged water meter

An aluminum forging and water meter technology, applied in metal processing equipment, etc., can solve the problems of poor mechanical strength of the water meter shell, difficult processing of stainless steel, high patina lead, etc., to achieve improved corrosion resistance, increased strength, and resistance to corrosion in humid environments Effect

Active Publication Date: 2016-06-01
JIANGSU FUERDA MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the water meter products in the market are divided into metal materials, stainless steel materials and plastic materials. Among them, the water meter housing made of plastic materials has poor mechanical strength, and the metal materials and stainless steel materials are mainly made of casting technology, and there are aluminum oxidation, iron rust, and copper corrosion. , high patina lead, stainless steel is not easy to process and other defects, and the casting process has common shortcomings: polluting the environment, low density, rough surface, large proportion of pores, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] An aluminum forged water meter, the composition and mass percentage of the aluminum alloy of the shell are: copper 0.15, manganese: 0.12, magnesium: 0.8, zinc: 0.20, titanium: 0.12, silicon: 0.4, iron: 0.6, lithium: 0.8, Vanadium: 0.01, cerium: 0.01, samarium: 0.01, bismuth: 0.01, zirconium: 0.01, and the balance is aluminum.

[0027] Preparation methods include:

[0028] The aluminum alloy is pretreated by stamping and laser cutting, then heated to 480°C±5°C, placed in a die forging die for forging, the die forging die includes an upper die and a lower die, and the upper die and the lower die are controlled The temperature difference of the mold is 20°C. When demoulding, the water meter housing is located on the upper mold, so that the temperature of the upper mold is lower than the temperature of the lower mold, and the temperature of the lower mold is 300°C; The water meter shell is subjected to the first electrostatic spraying treatment, and then baked in an enviro...

Embodiment 2

[0032] An aluminum forged water meter, the composition and mass percentage of the aluminum alloy of the shell are: copper 0.35, manganese: 0.12, magnesium: 1.0, zinc: 0.20, titanium: 0.12, silicon: 0.7, iron: 0.6, lithium: 1.2, Vanadium: 0.04, cerium: 0.02, samarium: 0.02, bismuth: 0.02, zirconium: 0.04, and the balance is aluminum.

[0033] Preparation methods include:

[0034]The aluminum alloy is pretreated by stamping and laser cutting, then heated to 480°C±5°C, placed in a die forging die for forging, the die forging die includes an upper die and a lower die, and the upper die and the lower die are controlled The temperature difference of the mold is 30°C. When demoulding, the water meter housing is located on the upper mold, so that the temperature of the upper mold is lower than the temperature of the lower mold, and the temperature of the lower mold is 380°C; The water meter shell is subjected to the first electrostatic spray treatment, and then baked in an environmen...

Embodiment 3

[0038] An aluminum forged water meter, the composition and mass percentage of the aluminum alloy of the shell are: copper 0.25, manganese: 0.12, magnesium: 0.9, zinc: 0.20, titanium: 0.12, silicon: 0.5, iron: 0.6, lithium: 1.0, Vanadium: 0.03, cerium: 0.02, samarium: 0.01, bismuth: 0.02, zirconium: 0.03, and the balance is aluminum.

[0039] Preparation methods include:

[0040] The aluminum alloy is pretreated by stamping and laser cutting, then heated to 480°C±5°C, placed in a die forging die for forging, the die forging die includes an upper die and a lower die, and the upper die and the lower die are controlled The temperature difference of the mold is 25°C. When demoulding, the water meter housing is located in the lower mold, so that the temperature of the lower mold is lower than the temperature of the upper mold, and the temperature of the upper mold is 340°C; The water meter shell is subjected to the first electrostatic spraying treatment, and then baked in an enviro...

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Abstract

The invention discloses an aluminum forged water meter. A shell of the water meter is manufactured through the steps that aluminum alloy is heated to 480+ / -5 DEG C and then placed in a die-forging die to be forged into the shell. The price of the whole aluminum forged water meter can be lowered by about 20%, the brightness of the water meter is improved by three times compared with that of water meters made of copper or iron or stainless steel, the density is increased, pores and water leakage are avoided, and the environment is not polluted in the forging process.

Description

technical field [0001] The invention relates to a water meter. More specifically, the present invention relates to a forged aluminum water meter. Background technique [0002] A water meter is an instrument installed on a water pipe to measure water flow. It mainly includes a shell and an inner core. The shell is a cavity for containing water. Therefore, the material of the shell must be closely related to the water quality of the metered water. At present, the water meter products in the market are divided into metal materials, stainless steel materials and plastic materials. Among them, the water meter housing made of plastic materials has poor mechanical strength, and the metal materials and stainless steel materials are mainly made of casting technology, and there are aluminum oxidation, iron rust, and copper corrosion. , high patina lead, stainless steel is not easy to process and other defects, and the casting process has common shortcomings: polluting the environment...

Claims

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Application Information

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IPC IPC(8): C22C21/08C22C21/00B21J5/02
CPCB21J5/02C22C21/00C22C21/08
Inventor 滕纪明
Owner JIANGSU FUERDA MACHINERY
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