A method for manufacturing an automobile thermal management valve body forging

Abstract

This invention discloses a method for preparing a forged automotive thermal management valve body. The forged part is made of an alloy with the following composition by mass percentage: silicon (Si) 0.4%-0.8%, magnesium (Mg) 0.8%-1.2%, copper (Cu) 0.15%-0.4%, iron (Fe) 0.2%-0.7%, zinc (Zn) 0.01%-0.25%, manganese (Mn) 0.09%-0.15%, chromium (Cr) 0.01%-0.35%, titanium (Ti) 0.04%-0.15%, and aluminum (Al) balance. The forged part prepared by this method can effectively improve the strength of the automotive thermal management valve body forging, effectively avoid sealing problems such as leakage caused by porosity and cracks, and simultaneously improve production efficiency and save costs.

Description

Technical Field

[0001] This invention relates to the field of automotive parts manufacturing technology, specifically a method for preparing automotive thermal management valve body forgings. Background Technology

[0002] With the development of new energy vehicles, the automotive thermal management valve body, as a crucial component, directly affects the safe and stable operation of the vehicle. Because automotive thermal management valve bodies require high strength and sealing performance, existing die-casting technologies suffer from low material strength, susceptibility to porosity, and leakage issues. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the existing die casting technology: to provide a method for preparing automotive thermal management valve body forgings. The forgings prepared by this method can effectively improve the strength of automotive thermal management valve body forgings, effectively avoid sealing problems such as leakage caused by porosity and cracks in automotive thermal management valve body forgings, and at the same time improve production efficiency and save costs.

[0004] The technical solution of the present invention is as follows: a method for preparing an automotive thermal management valve body forging, wherein the forging is made of an alloy with the following composition, by mass percentage: silicon (Si) 0.4%-0.8%, magnesium (Mg) 0.8%-1.2%, copper (Cu) 0.15%-0.4%, iron (Fe) 0.2%-0.7%, zinc (Zn) 0.01%-0.25%, manganese (Mn) 0.09%-0.15%, chromium (Cr) 0.04%-0.35%, titanium (Ti) 0.04%-0.15%, and aluminum (Al) balance; As an optimization, the automotive thermal management valve body forging is made of the above-mentioned alloy material through the following processes: blanking, forging, heat treatment, edge trimming, and shot blasting.

[0005] As an optimization, the automotive thermal management valve body forging is made of an alloy with the following composition by mass percentage: silicon (Si) 0.645%, magnesium (Mg) 0.993%, copper (Cu) 0.245%, iron (Fe) 0.233%, zinc (Zn) 0.017%, manganese (Mn) 0.098%, chromium (Cr) 0.04%, titanium (Ti) 0.041%, and aluminum (Al) balance.

[0006] As an optimization, the blanking process uses a fully automatic circular saw blanking machine to ensure that all blanked materials have the same length and weight, meet the tolerance requirements, and satisfy the needs of forging production.

[0007] As an optimization, the forging process uses a 630-ton servo forging press.

[0008] As an optimization, the heat treatment process employs a solution furnace and an aging furnace.

[0009] As an optimization, the edge trimming process uses a 100-ton hydraulic press.

[0010] As an optimization, the shot blasting process uses a through-type mesh belt shot blasting machine.

[0011] The beneficial effects of this invention are: by adjusting the alloy ratio and combining it with the forging process, this invention can effectively improve the strength of automotive thermal management valve body forgings, effectively avoid sealing problems such as leakage caused by porosity and cracks in automotive thermal management valve body forgings, and at the same time improve production efficiency and save costs. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of the automotive thermal management valve body forging in Example 1. Detailed Implementation

[0013] The present invention will be further described in detail below with reference to specific embodiments, but the present invention is not limited to the following specific embodiments.

[0014] Example 1 like Figure 1 The method for preparing the automotive thermal management valve body forging shown herein aims to effectively improve the strength of the forging while ensuring forging performance, and to avoid cracking during the forging process. This embodiment preferably uses an alloy with the following composition as raw material, by mass percentage: Silicon (Si) 0.4%, Magnesium (Mg) 0.8%, Copper (Cu) 0.15%, Iron (Fe) 0.2%, Zinc (Zn) 0.01%, Manganese (Mn) 0.09%, Chromium (Cr) 0.04%, Titanium (Ti) 0.04%, and Aluminum (Al) balance. The automotive thermal management valve body forging is manufactured from the above alloy material through the following processes: blanking, forging, heat treatment, edge trimming, and shot blasting. The blanking process uses a Jinweite fully automatic circular saw to ensure that all blanked materials maintain consistent length and weight, meet tolerance requirements, and satisfy the needs of forging production. The forging process uses a Shengde 630-ton servo forging press to ensure that the product dimensions meet requirements. The heat treatment process uses Huahong Industrial's solution furnace and aging furnace, while the edge trimming process uses a 100T hydraulic press. The shot blasting process uses a through-type mesh belt shot blasting machine to avoid product damage from impacts.

[0015] The final performance test data of the forgings are as follows: tensile strength σb / MPa≥194; yield strength σ0.2 / MPa≥105; elongation δ10%≥16.

[0016] Example 2 The structure is the same as in Example 1. To effectively improve the strength of the forging while ensuring forging performance, this example uses an alloy with the following composition as raw material, by mass percentage: Silicon (Si) 0.8%, Magnesium (Mg) 1.2%, Copper (Cu) 0.4%, Iron (Fe) 0.7%, Zinc (Zn) 0.25%, Manganese (Mn) 0.15%, Chromium (Cr) 0.35%, Titanium (Ti) 0.15%, and Aluminum (Al) balance. The automotive thermal management valve body forging is made from the above alloy material through the following processes: blanking, forging, heat treatment, trimming, and shot blasting. The blanking process uses a Jinweite fully automatic circular saw to ensure that all blanked materials maintain consistent length and weight, meet tolerance requirements, and satisfy the needs of forging production. The forging process uses a Shengde 630-ton servo forging press to ensure that the product dimensions meet requirements. The heat treatment process uses a Huahong industrial solution furnace and aging furnace, and the trimming process uses a 100T hydraulic press. The shot blasting process uses a through-type mesh belt shot blasting machine to avoid product damage from impacts.

[0017] The final performance test data of the forging is as follows: tensile strength σb / MPa≥241; yield strength σ0.2 / MPa≥145; elongation δ10%≥12.

[0018] Example 3 The structure is the same as in Example 1. To effectively improve the strength of the forging while ensuring forging performance, this example uses an alloy with the following composition as raw material, by mass percentage: Silicon (Si) 0.6%, Magnesium (Mg) 1.0%, Copper (Cu) 0.27%, Iron (Fe) 0.45%, Zinc (Zn) 0.13%, Manganese (Mn) 0.12%, Chromium (Cr) 0.19%, Titanium (Ti) 0.09%, and Aluminum (Al) balance. The automotive thermal management valve body forging is made from the above alloy material through the following processes: blanking, forging, heat treatment, trimming, and shot blasting. The blanking process uses a Jinweite fully automatic circular saw to ensure that all blanked materials maintain consistent length and weight, meet tolerance requirements, and satisfy the needs of forging production. The forging process uses a Shengde 630-ton servo forging press to ensure that the product dimensions meet requirements. The heat treatment process uses a Huahong industrial solution furnace and aging furnace, and the trimming process uses a 100T hydraulic press. The shot blasting process uses a through-type mesh belt shot blasting machine to avoid product damage from impacts.

[0019] The final performance test data of the forging is as follows: tensile strength σb / MPa≥217; yield strength σ0.2 / MPa≥128; elongation δ10%≥14.

[0020] Example 4 The structure is the same as in Example 1. To effectively improve the strength of the forging while ensuring forging performance, this example uses an alloy with the following composition as raw material, by mass percentage: Silicon (Si) 0.645%, Magnesium (Mg) 0.993%, Copper (Cu) 0.245%, Iron (Fe) 0.233%, Zinc (Zn) 0.017%, Manganese (Mn) 0.098%, Chromium (Cr) 0.04%, Titanium (Ti) 0.041%, and Aluminum (Al) balance. The automotive thermal management valve body forging is made from the above alloy material through the following processes: blanking, forging, heat treatment, trimming, and shot blasting. The blanking process uses a Jinweite fully automatic circular saw to ensure that all blanked materials maintain consistent length and weight, meet tolerance requirements, and satisfy the needs of forging production. The forging process uses a Shengde 630-ton servo forging press to ensure that the product dimensions meet requirements. The heat treatment process uses a Huahong industrial solution furnace and aging furnace, and the trimming process uses a 100T hydraulic press. The shot blasting process uses a through-type mesh belt shot blasting machine to avoid product damage from impacts.

[0021] The final performance test data of the forging is as follows: tensile strength σb / MPa≥227; yield strength σ0.2 / MPa≥133; elongation δ10%≥16.

[0022] Example 5 The structure is the same as in Example 1. To effectively improve the strength of the forging while ensuring forging performance, this example uses an alloy with the following composition as raw material, by mass percentage: Silicon (Si) 0.5%, Magnesium (Mg) 0.9%, Copper (Cu) 0.2%, Iron (Fe) 0.3%, Zinc (Zn) 0.05%, Manganese (Mn) 0.1%, Chromium (Cr) 0.1%, Titanium (Ti) 0.06%, and Aluminum (Al) balance. The automotive thermal management valve body forging is made from the above alloy material through the following processes: blanking, forging, heat treatment, trimming, and shot blasting. The blanking process uses a Jinweite fully automatic circular saw to ensure that all blanked materials maintain consistent length and weight, meet tolerance requirements, and satisfy the needs of forging production. The forging process uses a Shengde 630-ton servo forging press to ensure that the product dimensions meet requirements. The heat treatment process uses a Huahong industrial solution furnace and aging furnace, and the trimming process uses a 100T hydraulic press. The shot blasting process uses a through-type mesh belt shot blasting machine to avoid product damage from impacts.

[0023] The final performance test data of the forging is as follows: tensile strength σb / MPa≥203; yield strength σ0.2 / MPa≥112; elongation δ10%≥15.

[0024] Example 6 The structure is the same as in Example 1. To effectively improve the strength of the forging while ensuring forging performance, this example uses an alloy with the following composition as raw material, by mass percentage: Silicon (Si) 0.7%, Magnesium (Mg) 1.1%, Copper (Cu) 0.35%, Iron (Fe) 0.6%, Zinc (Zn) 0.2%, Manganese (Mn) 0.14%, Chromium (Cr) 0.3%, Titanium (Ti) 0.12%, and Aluminum (Al) balance. The automotive thermal management valve body forging is made from the above alloy material through the following processes: blanking, forging, heat treatment, trimming, and shot blasting. The blanking process uses a Jinweite fully automatic circular saw to ensure that all blanked materials maintain consistent length and weight, meet tolerance requirements, and satisfy the needs of forging production. The forging process uses a Shengde 630-ton servo forging press to ensure that the product dimensions meet requirements. The heat treatment process uses a Huahong industrial solution furnace and aging furnace, and the trimming process uses a 100T hydraulic press. The shot blasting process uses a through-type mesh belt shot blasting machine to avoid product damage from impacts.

[0025] The final performance test data of the forging is as follows: tensile strength σb / MPa≥233; yield strength σ0.2 / MPa≥138; elongation δ10%≥13.

[0026] Example 7 The structure is the same as in Example 1. To effectively improve the strength of the forging while ensuring forging performance, this example uses an alloy with the following composition as raw material, by mass percentage: Silicon (Si) 0.55%, Magnesium (Mg) 1.05%, Copper (Cu) 0.3%, Iron (Fe) 0.4%, Zinc (Zn) 0.15%, Manganese (Mn) 0.11%, Chromium (Cr) 0.25%, Titanium (Ti) 0.1%, and Aluminum (Al) balance. The automotive thermal management valve body forging is made from the above alloy material through the following processes: blanking, forging, heat treatment, trimming, and shot blasting. The blanking process uses a Jinweite fully automatic circular saw to ensure that all blanked materials maintain consistent length and weight, meet tolerance requirements, and satisfy forging production needs. The forging process uses a Shengde 630-ton servo forging press to ensure that the product dimensions meet requirements. The heat treatment process uses a Huahong industrial solution furnace and aging furnace, and the trimming process uses a 100T hydraulic press. The shot blasting process uses a through-type mesh belt shot blasting machine to avoid product damage from impacts.

[0027] The final performance test data of the forging is as follows: tensile strength σb / MPa≥216; yield strength σ0.2 / MPa≥129; elongation δ10%≥14.

[0028] Example 8 The structure is the same as in Example 1. To effectively improve the strength of the forging while ensuring forging performance, this example uses an alloy with the following composition as raw material, by mass percentage: Silicon (Si) 0.65%, Magnesium (Mg) 0.85%, Copper (Cu) 0.18%, Iron (Fe) 0.5%, Zinc (Zn) 0.08%, Manganese (Mn) 0.13%, Chromium (Cr) 0.15%, Titanium (Ti) 0.07%, and Aluminum (Al) balance. The automotive thermal management valve body forging is made from the above alloy material through the following processes: blanking, forging, heat treatment, trimming, and shot blasting. The blanking process uses a Jinweite fully automatic circular saw to ensure that all blanked materials maintain consistent length and weight, meet tolerance requirements, and satisfy forging production needs. The forging process uses a Shengde 630-ton servo forging press to ensure that the product dimensions meet requirements. The heat treatment process uses a Huahong industrial solution furnace and aging furnace, and the trimming process uses a 100T hydraulic press. The shot blasting process uses a through-type mesh belt shot blasting machine to avoid product damage from impacts.

[0029] The final performance test data of the forging is as follows: tensile strength σb / MPa≥213; yield strength σ0.2 / MPa≥120; elongation δ10%≥15.

[0030] The above are merely exemplary embodiments of the present invention and do not constitute any limitation on the scope of protection of the present invention. All technical solutions formed by equivalent exchange or substitution fall within the scope of protection of the present invention.

Claims

1. A method for preparing a forged automotive thermal management valve body, characterized in that, The forging is made of an alloy with the following composition, by mass percentage: silicon (Si) 0.4%-0.8%, magnesium (Mg) 0.8%-1.2%, copper (Cu) 0.15%-0.4%, iron (Fe) 0.2%-0.7%, zinc (Zn) 0.01%-0.25%, manganese (Mn) 0.09%-0.15%, chromium (Cr) 0.01%-0.35%, titanium (Ti) 0.04%-0.15%, and aluminum (Al) balance.

2. The method for preparing the automotive thermal management valve body forging according to claim 1, characterized in that, The automotive thermal management valve body forging is made of the above-mentioned alloy material through the following processes: blanking, forging, heat treatment, edge trimming, and shot blasting.

3. The method for preparing the automotive thermal management valve body forging according to claim 2, characterized in that, The automotive thermal management valve body forging is made of an alloy with the following composition by mass percentage: silicon (Si) 0.645%, magnesium (Mg) 0.993%, copper (Cu) 0.245%, iron (Fe) 0.233%, zinc (Zn) 0.017%, manganese (Mn) 0.098%, chromium (Cr) 0.04%, titanium (Ti) 0.041%, and aluminum (Al) balance.

4. The method for preparing the automotive thermal management valve body forging according to claim 3, characterized in that, The material cutting process uses a fully automatic circular saw cutting machine.

5. The method for preparing the automotive thermal management valve body forging according to claim 4, characterized in that, The forging process uses a 630-ton servo forging press.

6. The method for preparing the automotive thermal management valve body forging according to claim 5, characterized in that, The heat treatment process employs a solution furnace and an aging furnace.

7. The method for preparing the automotive thermal management valve body forging according to claim 6, characterized in that, The edge trimming process uses a 100-ton hydraulic press.

8. The method for preparing the automotive thermal management valve body forging according to claim 7, characterized in that, The shot blasting process uses a through-type mesh belt shot blasting machine.

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