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Gear material and production process thereof

A production process and gear technology, applied in the field of gears, can solve the problems of high procurement costs and lack of market competitiveness, and achieve the effects of low scrap rate, improved overall competitiveness, and low production and procurement costs.

Active Publication Date: 2021-04-06
青志(无锡)粉末铸锻有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The structure of the gear is various and various. As a common power transmission method, it is widely used in various fields, and the spiral bevel gear has high transmission efficiency, stable transmission ratio, large arc overlap coefficient, and high load-carrying capacity. High, smooth transmission, reliable work, compact structure, long life, low noise, etc., are often used in the movement and power transmission between two intersecting shafts, as an important component in a mechanical transmission, affecting The service life and transmission efficiency of the whole machine are also extremely demanding on its strength and precision. The early high-performance spiral bevel gear products are almost all imported from abroad, the procurement cost is extremely high, and they lack market competitiveness. However, due to recent years With the continuous development and innovation of the domestic powder metallurgy industry, many new processes have appeared relatively, so many of these high-performance products are now more and more tending to be localized, which has brought huge business opportunities, and there are more and more More and more powder metallurgy industries are willing to invest in the development of such high-performance products

Method used

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  • Gear material and production process thereof
  • Gear material and production process thereof
  • Gear material and production process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A kind of gear material, wherein: comprise the raw material of following weight part: 420 parts of water atomized iron powders, 2.5 parts of copper powders, 2 parts of graphites, 15 parts of nickel powders, 3 parts of molybdenum powders and 1.5 parts of lubricants, lubricants are Kenolube P11.

[0028] A gear production process, wherein: comprising the following steps:

[0029] (1) Mixing: In parts by weight, add 2 parts of graphite, 1.5 parts of lubricant and 60 parts of water-atomized iron powder into a biconical mixer and mix for 10 minutes to obtain primary mixed powder. For 3 equal parts as ready-mixed powder, add the remaining 360 parts of water-atomized iron powder into the double-cone mixer, and add 2.5 parts of copper powder, 15 parts of nickel powder, 3 parts of molybdenum powder and one part of pre-mixed powder to stir After 15 minutes, add a portion of premix powder and stir for 15 minutes, and finally add a portion of premix powder and stir for 15 minutes ...

Embodiment 2

[0035] A gear material, wherein: comprising the following raw materials in parts by weight: 450 parts of water atomized iron powder, 10 parts of copper powder, 3 parts of graphite, 20 parts of nickel powder, 5 parts of molybdenum powder and 2 parts of lubricant, the lubricating The agent is Kenolube P11.

[0036] A gear production process, wherein: comprising the following steps:

[0037] (1) Mixing: In parts by weight, add 3 parts of graphite, 2 parts of lubricant and 80 parts of water-atomized iron powder into a biconical mixer and mix for 15 minutes to obtain primary mixed powder. For 3 equal parts as ready-mixed powder, add the remaining 370 parts of water-atomized iron powder into the double-cone mixer, and add 10 parts of copper powder, 20 parts of nickel powder, 5 parts of molybdenum powder and one part of pre-mixed powder to stir 20 minutes, then add a portion of ready-mix powder and stir for 20 minutes, finally add a portion of pre-mix powder and stir for 15 minutes ...

Embodiment 3

[0043] A kind of gear material, wherein: comprise the raw material of following weight part: 480 parts of water atomized iron powders, 15 parts of copper powders, 4 parts of graphites, 40 parts of nickel powders, 8 parts of molybdenum powders and 4 parts of lubricants; The agent is Kenolube P11.

[0044] A gear production process, wherein: comprising the following steps:

[0045] (1) Mixing: In parts by weight, add 4 parts of graphite, 4 parts of lubricant and 100 parts of water-atomized iron powder into a biconical mixer and mix for 20 minutes to obtain primary mixed powder. For 3 equal parts as ready-mixed powder, add the remaining 380 parts of water-atomized iron powder into the double-cone mixer, and add 15 parts of copper powder, 40 parts of nickel powder, 8 parts of molybdenum powder and one part of pre-mixed powder to stir After 25 minutes, add a portion of ready-mix powder and stir for 25 minutes, and finally add a portion of pre-mix powder and stir for 25 minutes to ...

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Abstract

The invention provides a gear material. The gear material comprises the following raw materials in parts by weight: 420-480 parts of water atomized iron powder, 2.5-15 parts of copper powder, 2-4 parts of graphite, 15-40 parts of nickel powder, 3-8 parts of molybdenum powder and 1.5-4 parts of a lubricant. According to the gear material and a production process thereof, a produced spiral bevel gear product meets the product requirement, the production process is stable, the rejection rate is low, the national product standard of parts is met, the production and purchasing cost is greatly reduced, and the overall competitiveness is greatly improved.

Description

technical field [0001] The invention relates to the technical field of gears, in particular to a gear material and a production process thereof. Background technique [0002] The structure of the gear is various and various. As a common power transmission method, it is widely used in various fields, and the spiral bevel gear has high transmission efficiency, stable transmission ratio, large arc overlap coefficient, and high load-carrying capacity. High, smooth transmission, reliable work, compact structure, long life, low noise, etc., are often used in the movement and power transmission between two intersecting shafts, as an important component in a mechanical transmission, affecting The service life and transmission efficiency of the whole machine are also extremely demanding on its strength and precision. The early high-performance spiral bevel gear products are almost all imported from abroad, the procurement cost is extremely high, and they lack market competitiveness. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F1/00B22F3/02B22F3/10B22F3/24B22F5/08C22C38/08C22C38/12C22C38/16
CPCB22F3/02B22F3/1017B22F3/24B22F5/085C22C38/16C22C38/08C22C38/12B22F2998/10B22F2003/248B22F2003/247B22F1/10
Inventor 刘醇彬刘季寰
Owner 青志(无锡)粉末铸锻有限公司
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