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Method for producing wear-resistant silicon carbide ceramic block based on press machine

A wear-resistant silicon carbide, ceramic block technology, applied in ceramic molding machines, manufacturing tools and other directions, can solve the problems of increasing production costs, large overall errors of ceramic blocks, poor wear resistance, etc., to reduce equipment weight and increase use. Consistent effect of life and wear resistance

Pending Publication Date: 2020-10-30
山东中鹏特种陶瓷有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the main component of existing industrial ceramic blocks is alumina. Because alumina has a high expansion coefficient, poor wear resistance, and short service life, it is impossible to produce large-scale products.
[0005] And the existing industrial ceramic block all adopts the manufacturing process of the ceramic block made by grouting after mold making and then sintering when producing, and the mold size and the amount of grouting are not suitable for control during the mold making-grouting , the overall error of the produced ceramic block is large, the appearance is poor in flatness, and the scrap rate is high, which greatly restricts the production efficiency, thereby increasing the production cost and reducing the economic benefits of the enterprise

Method used

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  • Method for producing wear-resistant silicon carbide ceramic block based on press machine
  • Method for producing wear-resistant silicon carbide ceramic block based on press machine
  • Method for producing wear-resistant silicon carbide ceramic block based on press machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A method for producing a wear-resistant silicon carbide ceramic block based on a press, specifically comprising the following steps:

[0038] 1. Making pressed metal molds: Calculate the size of the product mold according to the product structure and parameters, and complete the overall production of the mold;

[0039] The material of the mold in 1 is made of high-pressure resistant alloy metal, and the mold can be made according to the size of the product: 150*53 / 48*25mm.

[0040] The high-pressure-resistant alloy metal in the step 1 is prior art, and stamping die steel or die-casting die steel can be used. The grades of the common die steel include Cr12MoV, SKD11, D2, DC53, etc. The material of the die is according to The customer's order quantity and estimated order quantity, choose die steel grades with different life spans.

[0041] 2. Powder configuration:

[0042] The raw material is in the form of powder, and the dry powder is filled into the mold and pressed....

Embodiment 2

[0072] A method for producing a wear-resistant silicon carbide ceramic block based on a press, specifically comprising the following steps:

[0073] 1. Making pressed metal molds: Calculate the size of the product mold according to the product structure and parameters, and complete the overall production of the mold;

[0074] The material of the mold in the step 1 is made of high-pressure resistant alloy metal, and the mold can be made according to the size of the product: 150*53 / 48*25mm.

[0075] 2. Powder configuration:

[0076] The raw material is in the form of powder, and the dry powder is filled into the mold and pressed.

[0077] Before starting the machine, check whether the mixer is running well, clean up the mixer barrel and there must be no foreign matter, and check whether the insulation and grounding of electrical equipment are in good condition.

[0078] When starting to use, first start the mixer for no-load trial operation, and then add powder raw materials t...

Embodiment 3

[0101] A method for producing a wear-resistant silicon carbide ceramic block based on a press, specifically comprising the following steps:

[0102] 1. Making pressed metal molds: Calculate the size of the product mold according to the product structure and parameters, and complete the overall production of the mold;

[0103] The material of the mold in the step 1 is made of high-pressure resistant alloy metal, and the mold can be made according to the size of the product: 150*53 / 48*25mm.

[0104] 2. Powder configuration:

[0105] The raw material is in the form of powder, and the dry powder is filled into the mold and pressed.

[0106] Before starting the machine, check whether the mixer is running well, clean up the mixer barrel and there must be no foreign matter, and check whether the insulation and grounding of electrical equipment are in good condition.

[0107] When starting to use, first start the mixer for no-load trial operation, and then add powder raw materials t...

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Abstract

The invention discloses a method for producing a wear-resistant silicon carbide ceramic block based on a press machine, which specifically comprises the following steps of: 1) manufacture of a pressing metal mold: calculating the size of the product mold according to the structure and parameters of the product, and completing the overall manufacturing of the mold, 2) powder preparation: firstly, preparing raw materials, and then preparing the powder from the raw materials in a powder manner, 3) pressing: pressing in batches by adopting a pressing machine to prepare a green body, 4) drying: putting the pressed green body into a drying chamber for drying, 5) repairing and machining of the biscuit: trimming the green body into a formed green body meeting the drawing requirements by adopting arack work and manual repair method, and (6) sintering: specifically, feeding the repaired formed green body into a low-temperature drying chamber to be dried firstly, and then putting the dried greenbody into a vacuum sintering furnace to be sintered, so that the actual service life of the manufactured wear-resisting silicon carbide ceramic block is 5-15 times that of 92% aluminum oxide, the silicon carbide expansion coefficient is low, the density is low, and the weight is light.

Description

technical field [0001] The invention relates to a method for producing a silicon carbide ceramic block, in particular to a method for producing a wear-resistant silicon carbide ceramic block based on a press, and belongs to the field of silicon carbide chemical industry. Background technique [0002] Silicon carbide ceramics not only have excellent mechanical properties at room temperature, such as high bending strength, excellent oxidation resistance, good corrosion resistance, high wear resistance and low coefficient of friction, but also high temperature mechanical properties, such as strength, creep resistance etc. are also the best known ceramic materials. Among the existing hot pressing sintering, pressureless sintering and hot isostatic pressing sintering ceramic materials, the high temperature strength of the silicon carbide ceramics can be maintained up to 1600°C. It can be seen that silicon carbide ceramics have the best high temperature strength among ceramic mate...

Claims

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Application Information

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IPC IPC(8): C04B35/565C04B35/622B28B3/02B28B11/24
CPCC04B35/565C04B35/622B28B3/02B28B11/243C04B2235/5248C04B2235/3873C04B2235/3826C04B2235/404C04B2235/3267C04B2235/3232C04B2235/6567C04B2235/6581C04B2235/658
Inventor 郝鹏
Owner 山东中鹏特种陶瓷有限公司