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Metal modified gasoline engine link

A metal modification, gasoline engine technology, applied in the direction of connecting rods, metal processing equipment, mechanical equipment, etc., to achieve complex geometric shapes, reduce connecting rod processing procedures, and light weight

Active Publication Date: 2014-07-02
临沂市金立机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, while considering the above factors, the cost of the enterprise must also be taken into account.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A metal modified gasoline engine connecting rod, which is prepared from the following raw materials in parts by weight;

[0022] 100 parts of iron powder, particle size of 500 mesh; 0.45 parts of molybdenum powder, particle size of 500 mesh; 0.15 parts of manganese powder, particle size of 500 mesh; 0.1 part of chromium powder, particle size of 500 mesh; 0.2 part of titanium carbide powder, particle size is 500 mesh; 0.25 part of aluminum nitride powder, particle size is 500 mesh; 0.1 part of barium titanate powder, particle size is 500 mesh; 0.1 part of zinc stearate, particle size is 500 mesh; 0.1 part, the particle size is 500 mesh; 0.1 part of sodium silicate, the modulus n is 3.2; 0.7 part of graphite powder, the particle size is 1000 mesh;

[0023] The preparation method of above-mentioned connecting rod comprises the steps:

[0024] 1) Weigh the above-mentioned raw materials according to parts by weight for later use;

[0025] 2) First put iron powder, molybden...

Embodiment 2

[0030] A metal modified gasoline engine connecting rod, which is prepared from the following raw materials in parts by weight;

[0031] 100 parts of iron powder, particle size of 500 mesh; 0.65 parts of molybdenum powder, particle size of 500 mesh; 0.35 parts of manganese powder, particle size of 500 mesh; 0.2 part of chromium powder, particle size of 500 mesh; 0.3 part of titanium carbide powder, particle size is 500 mesh; 0.35 part of aluminum nitride powder, particle size is 500 mesh; 0.2 part of barium titanate powder, particle size is 500 mesh; 0.2 part of zinc stearate, particle size is 500 mesh; 0.1 part, particle size is 500 mesh; 0.1 part sodium silicate glass, modulus 3.2; graphite powder 0.9 part, particle size is 1000 mesh;

[0032] The preparation method of above-mentioned connecting rod comprises the steps:

[0033] 1) Weigh the above-mentioned raw materials according to parts by weight for later use;

[0034] 2) First put iron powder, molybdenum powder, mangan...

Embodiment 3

[0039] The performance parameter test of the connecting rod prepared by the present invention: the connecting rod prepared by embodiment 1 and embodiment 2 is compared with the common connecting rod in the market, and the test results are as follows in table 1:

[0040] Table 1

[0041] group Hardness HRC Anti-fatigue strength MPa rate of reduction in area% Elongation% Example 1 66 875 54 19 Example 2 65 882 53 18 Ordinary connecting rod 57 710 27 11

[0042] Conclusion: the connecting rod prepared by the invention is much better than the common connecting rod in parameters such as hardness, fatigue strength, reduction of area and elongation.

[0043]

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Abstract

The invention belongs to the field of machining and discloses a metal modified gasoline engine link. The metal modified gasoline engine link is prepared from the following raw materials in parts by weight: 100 parts of iron powder, 0.45-0.65 part of molybdenum powder, 0.15-0.35 part of manganese powder, 0.1-0.2 part of chromium powder, 0.3-0.4 part of silicon carbide powder, 0.2-0.3 part of titanium carbide powder, 0.25-0.35 part of aluminum nitride powder, 0.1-0.2 part of barium titanate powder, 0.1-0.2 part of zinc stearate, 0.1 part of talcum powder, 0.1 part of sodium silicate and 0.7-0.9 part of graphite powder. According to the gasoline engine link disclosed by the invention, various metallic raw materials are selected and are reasonably proportioned, so that the mechanical strength, elongation percentage and fatigue strength of the product are improved; according to a production process of the gasoline engine link, no or few cutting scraps are generated, so that link machining procedures are reduced, and workshop, equipment and human resources are saved.

Description

[0001] technical field [0002] The invention belongs to the field of mechanical manufacturing, and in particular relates to a metal-modified gasoline engine connecting rod. [0003] Background technique [0004] The connecting rod is an important part of a small gasoline engine. Its function is to transmit the force borne by the piston to the crankshaft, and convert the reciprocating motion of the piston into the rotational motion of the crankshaft. The traditional connecting rod process needs to go through blanking, heating, artificial elongation deformation, heating, die forging, flash removal, sandblasting and other processes to complete the blank process, and then rough machining, heat treatment, semi-finishing, finishing A total of 24 processes are processed. There are many shortcomings in the traditional manufacturing process of connecting rods, mainly including: poor tensile, impact and fatigue resistance, low steel utilization rate, high energy consumption, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/18C22C33/02B21J5/02B21J1/06F16C7/00
Inventor 宋家隆宋运生顾为曹继强宋俊生
Owner 临沂市金立机械有限公司
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