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Crankshaft

A crankshaft and impurity technology, applied in the field of machinery, can solve the problems such as strength and stiffness need to be improved, and achieve the effect of improving strength and toughness and good application prospect.

Inactive Publication Date: 2018-03-09
张家港市德发内燃机配件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The crankshaft is the most important part of the engine. It must have sufficient strength and rigidity to withstand the joint action of the centrifugal force of the rotating mass, the periodically changing gas inertial force and the reciprocating inertial force. The existing strength and stiffness of the crankshaft Still needs to be improved and further research is needed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A crankshaft comprising the following components in parts by weight: 0.28 parts of chromium, 0.16 parts of strontium, 0.3 parts of copper, 0.2 parts of molybdenum, 0.14 parts of antimony, 0.18 parts of barium, 0.3 parts of manganese, and the balance is iron and unavoidable impurities.

Embodiment 2

[0015] A crankshaft comprising the following components by weight: 0.38 part of chromium, 0.25 part of strontium, 0.4 part of copper, 0.23 part of molybdenum, 0.17 part of antimony, 0.2 part of barium, 0.3 part of manganese, and the balance is iron and unavoidable impurities.

[0016] This kind of crankshaft includes chromium, strontium, copper, molybdenum, antimony, barium, iron and manganese. In particular, elements such as chromium and strontium are added to the crankshaft component, which greatly improves the strength and toughness of the crankshaft. There is no risk of fracture, and it has good application prospects and is worthy of promotion.

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PUM

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Abstract

The invention discloses a crankshaft which contains chromium, strontium, copper, molybdenum, antimony, barium and manganese. In particular, elements such as chromium and strontium are added into the components, so that the strength and toughness of the crankshaft are improved greatly, a breaking risk is avoided if being used for a long time, and the crankshaft has a good application prospect and is worth being popularized.

Description

technical field [0001] The invention belongs to the technical field of machinery, and in particular relates to a crankshaft. Background technique [0002] The crankshaft is the most important part of the engine. It must have sufficient strength and rigidity to withstand the joint action of the centrifugal force of the rotating mass, the periodically changing gas inertial force and the reciprocating inertial force. The existing strength and stiffness of the crankshaft There is still room for improvement and further research is required. Contents of the invention [0003] In order to solve the deficiencies in the prior art, the present invention provides a crankshaft, including chromium, strontium, copper, molybdenum, antimony, barium, iron and manganese, especially elements such as chromium and strontium are added to the crankshaft components , greatly improving the strength and toughness of the crankshaft, and there will be no risk of fracture after long-term use. It has ...

Claims

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Application Information

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IPC IPC(8): C22C38/20C22C38/22C22C38/60
CPCC22C38/20C22C38/002C22C38/22C22C38/60
Inventor 卞峰
Owner 张家港市德发内燃机配件有限公司
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