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Cast iron material for automobile manifold and automobile manifold

A technology for manifolds and automobiles, applied in the direction of casting molds, casting mold components, casting molding equipment, etc., can solve the problems of low fuel combustion efficiency and low power

Pending Publication Date: 2021-05-28
海宁天科汽车配件股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Early automobile engines had low power per unit weight, low fuel combustion efficiency, and the exhaust gas temperature did not exceed 500°C

Method used

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  • Cast iron material for automobile manifold and automobile manifold
  • Cast iron material for automobile manifold and automobile manifold
  • Cast iron material for automobile manifold and automobile manifold

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The present embodiment provides a kind of automobile manifold, comprises the following steps:

[0035] 1) Design as figure 1 As shown in the left manifold mold, according to the chemical mass percentage of each component of the cast iron material, it is 3.0% carbon, 4% silicon, 0.6% manganese, 0.8% molybdenum, 0.08% magnesium, and the balance is iron and unremovable impurities. Prepare raw materials ;

[0036] 2) heating the raw materials with a good ratio to a molten state, this step can adopt the process of melting raw materials in the existing process;

[0037] 3) Pre-furnace spectrum detection chemical composition ratio;

[0038] 4) making sand cores, casting molding: making sand cores through the mold obtained in step 1), and then pouring the molten solution in step 2) into the sand cores, casting molding;

[0039] 5) According to the machining process required by the manifold tooling;

[0040] 6) Finished product packaging.

Embodiment 2

[0042] The present embodiment provides a kind of automobile manifold, comprises the following steps:

[0043] 1) Design as figure 2 For the right manifold mold shown, according to the chemical mass percentage of each component of the cast iron material, it is 3.4% carbon, 5% silicon, 0.35% manganese, 1.1% molybdenum, 0.28% magnesium, and the balance is iron and unremovable impurities. Prepare raw materials ;

[0044] 2) heating the raw materials with a good ratio to a molten state, this step can adopt the process of melting raw materials in the existing process;

[0045] 3) Pre-furnace spectrum detection chemical composition ratio;

[0046] 4) making sand cores, casting molding: making sand cores through the mold obtained in step 1), and then pouring the molten solution in step 2) into the sand cores, casting molding;

[0047] 5) According to the machining process required by the manifold tooling;

[0048] 6) Finished product packaging.

Embodiment 3

[0050] The present embodiment provides a kind of automobile manifold, comprises the following steps:

[0051] 1) Design as figure 1 As shown in the left manifold mold, according to the chemical mass percentage of each component of the cast iron material, it is 3.22% carbon, 4.75% silicon, 0.3% molybdenum, 0.01% magnesium, and the balance is iron and non-removable impurities. Raw materials are prepared;

[0052] 2) heating the raw materials with a good ratio to a molten state, this step can adopt the process of melting raw materials in the existing process;

[0053] 3) Pre-furnace spectrum detection chemical composition ratio;

[0054] 4) making sand cores, casting molding: making sand cores through the mold obtained in step 1), and then pouring the melt in step 2) into the sand cores, casting molding;

[0055] 5) According to the machining process required by the manifold tooling;

[0056] 6) Finished product packaging.

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Abstract

The invention belongs to the technical field of automobiles, and relates to a manifold, in particular to a cast iron material which can improve the heat resistance of the automobile manifold so as to give full play to engine performance. The high-strength silicon-molybdenum alloy cast iron material can improve the heat resistance of the manifold, the manifold can work normally in the high-temperature and high-pressure environment of 1500 Fahrenheit degree, the manifold does not deform, the performance of an engine is exerted to the maximum extent, normal work of an exhaust system is protected, and the service life of the manifold is longer.

Description

technical field [0001] The invention belongs to the technical field of automobiles, and relates to a manifold, in particular to a manifold that improves the heat resistance of the manifold, thereby fully exerting the performance of the engine, having high engine power and high energy conversion rate, and improving the service life of the product for use on the manifold of the automobile. cast iron materials and automotive manifolds. Background technique [0002] A gas engine is a machine that can convert other forms of energy into another energy, usually chemical energy into mechanical energy. The engine includes a cylinder and a gas manifold. The gas manifold is installed on the upper part of the cylinder, sealing the cylinder from the upper part and constitute the combustion chamber. [0003] The exhaust manifold is connected to the cylinder block of the engine, and the exhaust of each cylinder is collected and introduced into the exhaust manifold, with divergent pipeline...

Claims

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Application Information

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IPC IPC(8): C22C37/10B22C9/24B22C9/02F01N13/10F01N13/16
CPCC22C37/10B22C9/24B22C9/02F01N13/10F01N13/16
Inventor 刘生敬
Owner 海宁天科汽车配件股份有限公司