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Method for producing double-clutch valve

A dual-clutch and production method technology, applied in the field of casting, can solve problems such as the inability to guarantee the accuracy of the shaft hole of the product, the internal quality of the product, and the air leakage of the product oil passage, so as to achieve stable filling process, reduce development cost and improve quality Effect

Active Publication Date: 2013-07-31
TAICANG HAIJIA VEHICLE FITTINGS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] It is the first time that this kind of casting has been developed and researched in China. The product has not been successfully developed in foreign countries before. The main problems are: 1. The internal quality of the product is not up to standard, and the main defects are the internal pores of the product and the air leakage of the product oil passage; 2. Product shaft hole accuracy Ra0.4 cannot be guaranteed

Method used

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  • Method for producing double-clutch valve

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) Ingredients, the weight percentage of each material is as follows: Silicon Si: 8.0%; Iron Fe:: 1.3%; Copper Cu: 2.0%; Manganese Mn:: 0.55%; Magnesium Mg: 0.05%; Zinc Zn:: 1.2% ; Titanium Ti:: 0.25%; Nickel Ni: 0.55%; Tin Sn:: 0.25%; Lead Pb:: 0.35%; 140Mpa, minimum elongation: 1%

[0026] (2) Adjust the cooling water pressure to 2Mpa, and the hydraulic oil pipe pressure to 6Mpa, and connect the mold automatic temperature control device (temperature sensor);

[0027] (3) Heat the melting furnace to 600°C, add the materials described in step (1) into the furnace, continue heating, and when the temperature of the materials rises to 720°C, add Huayu powdered non-toxic refining with an amount of 0.1% of the materials Use a bell jar to press the refining agent into the middle of the material liquid and stir it in a circle for 5 minutes, use argon gas with a purity of 99.99% for degassing operation for 3 minutes, then remove the slag and stand still for 10 minutes to prep...

Embodiment 2

[0032] (1) Ingredients, each material is as follows by weight percentage: Silicon Si: 11.0%; Iron Fe:: 1.0%; Copper Cu: 4.0%; Manganese Mn:: 0.45%; Magnesium Mg: 0.55%; Zinc Zn:: 1.0% ; Titanium Ti:: 0.2%; Nickel Ni: 0.5%; Tin Sn:: 0.15%; Lead Pb:: 0.:2 5%; Tensile strength: 250Mpa, yield strength: 160Mpa, minimum elongation: 0.9%;

[0033] (2) Adjust the cooling water pressure to 6Mpa, and the hydraulic oil pipe pressure to 12Mpa, and connect the mold automatic temperature control device (temperature sensor);

[0034] (3) Heat the smelting furnace to 650°C, add the materials described in step (1) into the furnace, continue heating, and when the temperature of the materials rises to 710°C, add Huayu powdered non-toxic refining with an amount of 0.8% of the materials agent, use a bell jar to press the refining agent into the middle of the material liquid and perform circular stirring for 5 minutes, use argon gas with a purity of 99.99% for degassing operation for 15 minutes, t...

Embodiment 3

[0039] (1) Ingredients, each material is as follows by weight percentage: silicon Si: 10.0%; iron Fe:: 1.2%; copper Cu: 3.0%; manganese Mn: 0.35%; magnesium Mg: 0.30%; zinc Zn: 0.8%; titanium Ti: 0.02%; Nickel Ni: 0.36%; Tin Sn: 0.18%; Lead Pb: 0.30%; 0.8%

[0040] (2) Adjust the cooling water pressure to 4Mpa, and the hydraulic oil pipe pressure to 8Mpa, and connect the mold automatic temperature control device (temperature sensor device);

[0041](3) Heat the smelting furnace to 700°C, add the material described in step (1) into the furnace, continue heating, and when the temperature of the material rises to 730°C, add Huayu powdered non-toxic refining with an amount of 0.4% of the material Use a bell jar to press the refining agent into the middle of the material liquid for 10 minutes of circular stirring, use argon gas with a purity of 99.99% for degassing operation for 8 minutes, then remove the slag and stand still for 12 minutes to prepare for die-casting;

[0042] (4...

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Abstract

The invention discloses a method for producing a double-clutch valve. The method includes batching, smelting, refining, degassing, die-casting and the like to finally form the double-clutch valve. The development cost is greatly reduced by a modern simulation means (mold flow analysis), the qualified rate of the product is high, the porosity is superior to that of a common technological design, afilling process of the product is stable, the quality is improved, and the service life of a mold is prolonged to a great extent. In addition, the problem of air holes and gas leakage are solved by ultracold technology, the problem of low production efficiency is solved by automatic peripheral equipment, productivity is improved by 20% nearly, and labor intensity is reduced.

Description

technical field [0001] The invention relates to the field of casting, in particular to a method for producing a double clutch valve body. Background technique [0002] Dual-clutch valve body: This project is the key component of the most advanced AT dual-clutch automatic transmission in the world today. This design is energy-saving and environmentally friendly, and it can save 10% of fuel compared with ordinary structures. The product is a thin-walled part with a very complex structure. The mold adopts one mold and one cavity, four core-pulling design and the core is slender and easy to deform. The processing accuracy of the product is extremely high, such as: the smoothness of the shaft hole is required to be Ra0.4; the hole processing accuracy is Φ10H6; Each chamber is tested separately, and the allowable value of leakage is less than 2CC / min. [0003] It is the first time that this kind of casting has been developed and researched in China. The product has not been succ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D17/32B22D17/00C22C21/02C22C1/06
Inventor 张晓杜秋峰
Owner TAICANG HAIJIA VEHICLE FITTINGS
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