Unlock instant, AI-driven research and patent intelligence for your innovation.

Metallic bond diamond block steel mold heating and molding method

A technology of diamond nodules and metal binders, applied in the field of powder metallurgy, can solve problems such as industrial production gaps, and achieve the effects of improving purity, improving plasticity and fluidity, and improving press formability

Inactive Publication Date: 2016-03-02
WUHAN WAN BANG LASER DIAMOND TOOLS
View PDF5 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although some domestic institutions have made a lot of efforts in these areas and achieved certain results, most of the research results have not yet come out of the laboratory, and there is still a big gap with the actual industrial production

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Metallic bond diamond block steel mold heating and molding method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] 1) Prepare the first pre-alloyed powder by displacement diffusion method, prepare the second pre-alloyed powder by water atomization method or electrolysis method, mix the first pre-alloyed powder and the second pre-alloyed powder according to the preset ratio , to form a pre-mixed powder, and the pre-mixed powder is subjected to reduction annealing under the protection of hydrogen to obtain a pre-treated alloy powder;

[0017] 2) The pretreated alloy powder is crushed and sieved, and then mixed with diamond according to a preset ratio to obtain a mixed powder 5;

[0018] 3) Put the mixed powder 5 into the mold cavity formed by the female mold 2 and the lower mold 4 of the pressing mold, and its indirect heating source 3 heats the mixed powder 5 in the female mold 2 and the female mold 2, and the heating temperature is The required metal bond diamond segment steel mold is pressed at 300°C under a pressure of 1600Mpa, and the heating time is to ensure that the temperatur...

Embodiment 2

[0022] 1) Prepare the first pre-alloyed powder by displacement diffusion method, prepare the second pre-alloyed powder by water atomization method or electrolysis method, mix the first pre-alloyed powder and the second pre-alloyed powder according to the preset ratio , to form a pre-mixed powder, and the pre-mixed powder is subjected to reduction annealing under the protection of hydrogen to obtain a pre-treated alloy powder;

[0023] 2) The pretreated alloy powder is crushed and sieved, and then mixed with diamond according to a preset ratio to obtain a mixed powder 5;

[0024] 3) Put the mixed powder 5 into the mold cavity formed by the female mold 2 and the lower mold 4 of the pressing mold, and its indirect heating source 3 heats the mixed powder 5 in the female mold 2 and the female mold 2, and the heating temperature is The required metal bond diamond segment steel mold is pressed at 400°C under a pressure of 1400Mpa, and the heating time is to ensure that the temperatur...

Embodiment 3

[0028] 1) Prepare the first pre-alloyed powder by displacement diffusion method, prepare the second pre-alloyed powder by water atomization method or electrolysis method, mix the first pre-alloyed powder and the second pre-alloyed powder according to the preset ratio , to form a pre-mixed powder, and the pre-mixed powder is subjected to reduction annealing under the protection of hydrogen to obtain a pre-treated alloy powder;

[0029] 2) The pretreated alloy powder is crushed and sieved, and then mixed with diamond according to a preset ratio to obtain a mixed powder 5;

[0030] 3) Put the mixed powder 5 into the mold cavity formed by the female mold 2 and the lower mold 4 of the pressing mold, and its indirect heating source 3 heats the mixed powder 5 in the female mold 2 and the female mold 2, and the heating temperature is The metal bond diamond segment steel mold required for pressing at 660°C under a pressure of 1200Mpa, the heating time is to ensure that the temperature ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a metallic bond diamond block steel mold heating and molding method. Pretreated alloy powder is crushed and screened and is then mixed with diamonds according to the preset proportion, and mixed powder is obtained; the mixed powder is put into a pressing mold, an indirect heating source is adopted to heat the pressing mold at the heating temperature ranging from 70 DEG C to 800 DEG C, pressing is conducted under the pressure ranging from 100 Mpa to 1600 Mpa, a required metallic bond diamond block steel mold is obtained, and it is guaranteed that the temperatures of all the parts reach the set temperature and all the parts are unified through the heating time. According to the method, by pretreating the alloy powder, the purity of the alloy powder is improved, the plasticity and liquidity of the alloy powder are improved, and thus the pressing formability of the alloy powder is improved; furthermore, pressing and sintering of the high-density high-precision mixed powder can be finished at a time in the pressing mold, wherein the density is larger than 90% of the theoretical density, the elastic aftereffect is smaller than 0.35%, and the sintering shrinking percentage is smaller than 0.50%; and near-net molding is achieved.

Description

technical field [0001] The invention belongs to the field of powder metallurgy, and in particular relates to a method for heating and forming a metal bond diamond segment steel mold. Background technique [0002] The development of high-density, high-strength and high-precision powder metallurgy products is the development direction and research focus of the powder metallurgy industry. The density of powder metallurgy products has a great relationship with its performance, and there is a direct proportional relationship between the two. The density increases, and the performance of the product improves. From the perspective of traditional densification methods, technologies such as repressing and refiring, powder forging, copper infiltration, hot isostatic pressing, and hot pressing have their own advantages and disadvantages. In recent years, a series of new technologies and new processes have been introduced, such as: high-speed pressing, dynamic magnetic pressing technol...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B22F1/00B22F3/14B22F5/00
CPCB22F3/14B22F5/007B22F2998/10B22F1/14B22F1/0003
Inventor 叶宏煜齐华斌牛晓波王修星谢涛
Owner WUHAN WAN BANG LASER DIAMOND TOOLS
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com