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A biomimetic strengthening method of laser ceramic melt injection on the surface of a broken hammer head

A technology of laser melting and laser ceramics, which is applied in the field of metal material processing and can solve problems such as complex processes

Inactive Publication Date: 2017-01-25
NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cast iron composite hammer head produced by mechanical assembly, bonded composite and metallurgical composite method has good effect, but there is a problem of complex process. It will be of great significance to develop a high-strength and toughness-resistant wear-resistant hammer head.

Method used

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  • A biomimetic strengthening method of laser ceramic melt injection on the surface of a broken hammer head
  • A biomimetic strengthening method of laser ceramic melt injection on the surface of a broken hammer head

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Experimental program
Comparison scheme
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Embodiment Construction

[0015] The steps of the laser ceramic melt-injection bionic strengthening method for the surface of the breaking hammer are as follows:

[0016] (1) Select a typical coal-fired breaking hammer head. The material of the breaking hammer is high manganese steel. First, analyze the factors affecting the wear of the thermal power coal-fired high manganese steel breaking hammer head. The influencing factors include hammer head structure, geometry, working conditions, Material, chemical composition, crushed material and crusher speed, analyze the quantitative relationship between the above factors and the characteristics of the failure area on the surface of the hammer.

[0017] (2) Combining the different geometric characteristics of the surface wear failure area of ​​the breaker, taking the surface morphology, material and structure of the breaker as the research object, from the perspective of bionic strengthening of the surface of the breaker, the characteristics of the surface wear fa...

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Abstract

The present invention provides a laser ceramic melt injection bionic enhancement method for a breaking hammer surface, wherein from the easy wear breaking hammer surface bionic enhancement perspective, a wear resistance biological prototype is researched; a laser melt injection processing technology is adopted to "copy" the wear resistance structure of the biological prototype on the breaking hammer area having wear failure tendency so as to improve wear resistance of the breaking hammer surface, prolong the service life of the breaking hammer, solve the difficult problem of the multi-level breaking hammer surface comprehensive enhancement technology with characteristics of working condition environment selectivity and structure space modulation capability, achieve breaking hammer surface coupling bionic enhancement, and achieve different degrees of improvement of the service lives of the breaking hammers having the same type and the same breaking hammer material after enhancement with characteristics of the same working condition, the same laser melt injection material and processes, and different bionic structures.

Description

Technical field [0001] The invention belongs to the field of metal material processing. Background technique [0002] The hammer crusher is a crushing machine that uses a high-speed rotating hammer head to impact materials to break the materials along their natural cracks, bedding and joint surfaces and other fragile parts. It is widely used in mining, metallurgy, building materials and power industries. Hammer crushers also have certain applications in the ceramic industry, such as crushing shale, the raw material for ceramics. In the working process of the hammer crusher, due to the impact and friction of the material, the hammer head, liner, grate and other parts will inevitably wear out and become invalid. Among them, the hammer head is the most wearable part, and its consumption The amount is huge, and a large number of spare parts need to be stored, which not only takes up capital, but also affects the normal production of the enterprise. Therefore, analyzing the influenc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C24/10
Inventor 刘立君崔元彪
Owner NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG