CN102921945A - Powder metallurgy formula and powder metallurgy method thereof - Google Patents

Powder metallurgy formula and powder metallurgy method thereof Download PDF

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Publication number
CN102921945A
CN102921945A CN 201210473014 CN201210473014A CN102921945A CN 102921945 A CN102921945 A CN 102921945A CN 201210473014 CN201210473014 CN 201210473014 CN 201210473014 A CN201210473014 A CN 201210473014A CN 102921945 A CN102921945 A CN 102921945A
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CN
China
Prior art keywords
powder
powder metallurgy
parts
zinc oxide
sulfuration
Prior art date
Application number
CN 201210473014
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Chinese (zh)
Inventor
王恒傲
Original Assignee
王恒傲
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Priority to CN 201210473014 priority Critical patent/CN102921945A/en
Publication of CN102921945A publication Critical patent/CN102921945A/en

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Abstract

The invention relates to a powder metallurgy formula and a powder metallurgy method thereof. The powder metallurgy formula comprises graphite powder, copper powder, stearic acid, zinc oxide, iron powder, manganese sulfide and alumina. The method for powder metallurgy according to the formula comprises the following steps: uniformly mixing the graphite powder, the copper powder, the stearic acid, the zinc oxide, the iron powder, the manganese sulfide and the alumina; pressing into a blank with a set shape for standby under the pressure intensity of 50-60 MPa; feeding a product blank piece into a sintering electric furnace to be sintered into a semi-finished part; and carrying out oil immersion and steam treatment and cleaning to obtain a finished product. The powder metallurgy formula and the powder metallurgy method thereof have the advantages that the pollution caused by the formula to the environment is low; and according to the method, the production steps are simplified, and the production efficiency is improved.

Description

A kind of prescription of powder metallurgy and powder metallurgy process thereof
Technical field
The invention belongs to field of powder metallurgy, particularly a kind of prescription of powder metallurgy and powder metallurgy process thereof.
Background technology
Powder metallurgy is the processing method of producing metal dust and the mixture of metal dust and non-metal powder being made finished product by techniques such as shaping and sintering.
Usually the powder metallurgical technique that adopts, environmental pollution is larger, and in machinery industry, everybody also more and more advocates the simplification production stage, enhances productivity.
Summary of the invention
An object of the present invention is to provide a kind of prescription of powder metallurgy, another object of the present invention provides its metallurgical method, and this prescription environmental pollution is little, and this method is simplified production stage, enhances productivity.
The technical scheme that adopts is:
A kind of prescription of powder metallurgy comprises graphite powder, copper powder, stearic acid, zinc oxide, iron powder, the inferior manganese of sulfuration and aluminium oxide.
Measure by mass: graphite powder 1-5 part, copper powder 5-10 part, stearic acid 2-8 part, zinc oxide 5-8 part, iron powder 50-98 part, the inferior manganese 1-5 part of sulfuration and aluminium oxide 5-10 part.
The granularity of graphite powder, copper powder, zinc oxide, iron powder, the inferior manganese of sulfuration and aluminium oxide is the 200-500 micron.
A kind of described prescription carries out the method for powder metallurgy, may further comprise the steps:
The first step: graphite powder 1-5 part, copper powder 5-10 part, stearic acid 2-8 part, zinc oxide 5-8 part, iron powder 50-98 part, the inferior manganese 1-5 part of sulfuration and aluminium oxide 5-10 part are mixed.
Second step: the powder that previous step mixes is put into mould, and it is for subsequent use to be pressed into the blank of setting shape under the pressure of 50-60MPa.
The 3rd step: described product blank part is sent in the sintering electric furnace, and temperature 120-200 degree sinters described product blank into semi-finished articles.
The 4th step: will process in described semi-finished articles cooling and the immersion machine oil, 70 ℃ to 90 ℃, the immersion oil time is 25 minutes to 55 minutes.
The 5th step: the product that upper step is obtained carries out steam treatment, produces antirust coat on the finished parts surface.
The 6th step: clean and obtain finished product.
Its advantage is:
This prescription environmental pollution is little, and this method is simplified production stage, enhances productivity.
The specific embodiment
Embodiment 1
A kind of prescription of powder metallurgy comprises graphite powder, copper powder, stearic acid, zinc oxide, iron powder, the inferior manganese of sulfuration and aluminium oxide.
Amount by mass: 5 parts in 1 part of graphite powder, 5 parts of copper powders, 2 parts of stearic acid, 5 parts in zinc oxide, 50 parts of iron powders, 1 part in inferior manganese of sulfuration and aluminium oxide.
The granularity of graphite powder, copper powder, zinc oxide, iron powder, the inferior manganese of sulfuration and aluminium oxide is 200 microns.
A kind of described prescription carries out the method for powder metallurgy, may further comprise the steps:
The first step: 5 parts in 1 part of graphite powder, 5 parts of copper powders, 2 parts of stearic acid, 5 parts in zinc oxide, 50 parts of iron powders, 1 part in inferior manganese of sulfuration and aluminium oxide mix.
Second step: the powder that previous step mixes is put into mould, and it is for subsequent use to be pressed into the blank of setting shape under the pressure of 50MPa.
The 3rd step: described product blank part is sent in the sintering electric furnace, and temperature 120 degree sinter described product blank into semi-finished articles.
The 4th step: will process in described semi-finished articles cooling and the immersion machine oil, 70 ℃, the immersion oil time is 25 minutes.
The 5th step: the product that upper step is obtained carries out steam treatment, produces antirust coat on the finished parts surface.
The 6th step: clean and obtain finished product.
Embodiment 2
A kind of prescription of powder metallurgy comprises graphite powder, copper powder, stearic acid, zinc oxide, iron powder, the inferior manganese of sulfuration and aluminium oxide.
Amount by mass: 10 parts in 5 parts of graphite powders, 10 parts of copper powders, 8 parts of stearic acid, 8 parts in zinc oxide, 98 parts of iron powders, 5 parts in inferior manganese of sulfuration and aluminium oxide.
The granularity of graphite powder, copper powder, zinc oxide, iron powder, the inferior manganese of sulfuration and aluminium oxide is 500 microns.
A kind of described prescription carries out the method for powder metallurgy, may further comprise the steps:
The first step: 10 parts in 5 parts of graphite powders, 10 parts of copper powders, 8 parts of stearic acid, 8 parts in zinc oxide, 98 parts of iron powders, 5 parts in inferior manganese of sulfuration and aluminium oxide mixed, and granularity is 500 microns.
Second step: the powder that previous step mixes is put into mould, and it is for subsequent use to be pressed into the blank of setting shape under the pressure of 60MPa.
The 3rd step: described product blank part is sent in the sintering electric furnace, and temperature 200 degree sinter described product blank into semi-finished articles.
The 4th step: will process in described semi-finished articles cooling and the immersion machine oil, 90 ℃, the immersion oil time is 55 minutes.
The 5th step: the product that upper step is obtained carries out steam treatment, produces antirust coat on the finished parts surface.
The 6th step: clean and obtain finished product.
Embodiment 3
A kind of prescription of powder metallurgy comprises graphite powder, copper powder, stearic acid, zinc oxide, iron powder, the inferior manganese of sulfuration and aluminium oxide.
Amount by mass: 8 parts in 4 parts of graphite powders, 8 parts of copper powders, 6 parts of stearic acid, 6 parts in zinc oxide, 58 parts of iron powders, 3 parts in inferior manganese of sulfuration and aluminium oxide.
The granularity of graphite powder, copper powder, zinc oxide, iron powder, the inferior manganese of sulfuration and aluminium oxide is 300 microns.
A kind of described prescription carries out the method for powder metallurgy, may further comprise the steps:
The first step: 8 parts in 4 parts of graphite powders, 8 parts of copper powders, 6 parts of stearic acid, 6 parts in zinc oxide, 58 parts of iron powders, 3 parts in inferior manganese of sulfuration and aluminium oxide mixed.
Second step: the powder that previous step mixes is put into mould, and it is for subsequent use to be pressed into the blank of setting shape under the pressure of 55MPa.
The 3rd step: described product blank part is sent in the sintering electric furnace, and temperature 150 degree sinter described product blank into semi-finished articles.
The 4th step: will process in described semi-finished articles cooling and the immersion machine oil, 80 ℃, the immersion oil time is 45 minutes.
The 5th step: the product that upper step is obtained carries out steam treatment, produces antirust coat on the finished parts surface.
The 6th step: clean and obtain finished product.

Claims (2)

1. the prescription of a powder metallurgy comprises graphite powder, copper powder, stearic acid, zinc oxide, iron powder, the inferior manganese of sulfuration and aluminium oxide; It is characterized in that:
Measure by mass: graphite powder 1-5 part, copper powder 5-10 part, stearic acid 2-8 part, zinc oxide 5-8 part, iron powder 50-98 part, the inferior manganese 1-5 part of sulfuration and aluminium oxide 5-10 part;
The granularity of graphite powder, copper powder, zinc oxide, iron powder, the inferior manganese of sulfuration and aluminium oxide is the 200-500 micron.
2. the powder metallurgy process of the prescription of a kind of powder metallurgy according to claim 1 is characterized in that may further comprise the steps:
The first step: graphite powder 1-5 part, copper powder 5-10 part, stearic acid 2-8 part, zinc oxide 5-8 part, iron powder 50-98 part, the inferior manganese 1-5 part of sulfuration and aluminium oxide 5-10 part are mixed;
Second step: the powder that previous step mixes is put into mould, and it is for subsequent use to be pressed into the blank of setting shape under the pressure of 50-60MPa;
The 3rd step: described product blank part is sent in the sintering electric furnace, and temperature 120-200 degree sinters described product blank into semi-finished articles;
The 4th step: will process in described semi-finished articles cooling and the immersion machine oil, 70 ℃ to 90 ℃, the immersion oil time is 25 minutes to 55 minutes;
The 5th step: the product that upper step is obtained carries out steam treatment, produces antirust coat on the finished parts surface;
The 6th step: clean and obtain finished product.
CN 201210473014 2012-11-21 2012-11-21 Powder metallurgy formula and powder metallurgy method thereof CN102921945A (en)

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Cited By (20)

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CN103223486A (en) * 2013-03-30 2013-07-31 安徽省恒宇粉末冶金有限公司 Powder metallurgy duplicate gear and preparation method thereof
CN103406534A (en) * 2013-07-02 2013-11-27 安徽瑞泰汽车零部件有限责任公司 Powder metallurgy flange and manufacturing method thereof
CN103537664A (en) * 2013-10-11 2014-01-29 芜湖市鸿坤汽车零部件有限公司 Powder metallurgy composite material and manufacturing method thereof
CN104759614A (en) * 2015-01-28 2015-07-08 安徽恒均粉末冶金科技股份有限公司 Belt pulley powder metallurgy formulation and process
CN105149596A (en) * 2015-08-31 2015-12-16 苏州莱特复合材料有限公司 Powder metallurgy valve gas pipe and preparation method thereof
CN105945276A (en) * 2016-07-27 2016-09-21 黄宇 Novel high-performance metallurgy powder
CN106041051A (en) * 2016-07-27 2016-10-26 黄宇 Novel powder metallurgy
CN106111976A (en) * 2016-07-27 2016-11-16 黄宇 A kind of powder metallurgy
CN106180677A (en) * 2016-07-27 2016-12-07 黄宇 A kind of energy-saving high-performance powder metallurgy
CN106244929A (en) * 2016-07-27 2016-12-21 黄宇 A kind of novel energy-conserving powder metallurgy
CN106270481A (en) * 2016-07-27 2017-01-04 黄宇 A kind of high-performance powder metallurgy
CN107552776A (en) * 2017-08-24 2018-01-09 南通冠达粉末冶金有限公司 A kind of powder metallurgy prescription
CN107671296A (en) * 2017-08-24 2018-02-09 南通冠达粉末冶金有限公司 A kind of planetary gear powder metallurgy forming method
CN107695336A (en) * 2017-08-24 2018-02-16 南通冠达粉末冶金有限公司 A kind of powder metallurgy forming method
CN107695335A (en) * 2017-08-24 2018-02-16 南通冠达粉末冶金有限公司 A kind of powder metallurgy prescription and its metallurgical forming method
CN108273991A (en) * 2018-03-15 2018-07-13 中机锻压江苏股份有限公司 A kind of bearing block metallurgical powder
CN108453251A (en) * 2018-03-15 2018-08-28 江苏中威重工机械有限公司 A kind of motor housing metallurgical powder
WO2019047031A1 (en) * 2017-09-05 2019-03-14 戴文凤 Belt pulley powder metallurgy method
WO2019047032A1 (en) * 2017-09-05 2019-03-14 戴文凤 Belt pulley powder metallurgy formula
CN109877308A (en) * 2017-12-06 2019-06-14 宜兴市乐华冶金辅助材料有限公司 A kind of high-performance powder metallurgy auxiliary material

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103223486A (en) * 2013-03-30 2013-07-31 安徽省恒宇粉末冶金有限公司 Powder metallurgy duplicate gear and preparation method thereof
CN103406534A (en) * 2013-07-02 2013-11-27 安徽瑞泰汽车零部件有限责任公司 Powder metallurgy flange and manufacturing method thereof
CN103406534B (en) * 2013-07-02 2016-01-20 安徽瑞泰汽车零部件有限责任公司 A kind of Powder metallurgy flange and preparation method thereof
CN103537664A (en) * 2013-10-11 2014-01-29 芜湖市鸿坤汽车零部件有限公司 Powder metallurgy composite material and manufacturing method thereof
CN104759614B (en) * 2015-01-28 2017-07-07 安徽恒均粉末冶金科技股份有限公司 A kind of technique of belt pulley powder metallurgy prescription
CN104759614A (en) * 2015-01-28 2015-07-08 安徽恒均粉末冶金科技股份有限公司 Belt pulley powder metallurgy formulation and process
CN105149596A (en) * 2015-08-31 2015-12-16 苏州莱特复合材料有限公司 Powder metallurgy valve gas pipe and preparation method thereof
CN105945276A (en) * 2016-07-27 2016-09-21 黄宇 Novel high-performance metallurgy powder
CN106041051A (en) * 2016-07-27 2016-10-26 黄宇 Novel powder metallurgy
CN106111976A (en) * 2016-07-27 2016-11-16 黄宇 A kind of powder metallurgy
CN106180677A (en) * 2016-07-27 2016-12-07 黄宇 A kind of energy-saving high-performance powder metallurgy
CN106244929A (en) * 2016-07-27 2016-12-21 黄宇 A kind of novel energy-conserving powder metallurgy
CN106270481A (en) * 2016-07-27 2017-01-04 黄宇 A kind of high-performance powder metallurgy
CN107552776A (en) * 2017-08-24 2018-01-09 南通冠达粉末冶金有限公司 A kind of powder metallurgy prescription
CN107671296A (en) * 2017-08-24 2018-02-09 南通冠达粉末冶金有限公司 A kind of planetary gear powder metallurgy forming method
CN107695336A (en) * 2017-08-24 2018-02-16 南通冠达粉末冶金有限公司 A kind of powder metallurgy forming method
CN107695335A (en) * 2017-08-24 2018-02-16 南通冠达粉末冶金有限公司 A kind of powder metallurgy prescription and its metallurgical forming method
WO2019047031A1 (en) * 2017-09-05 2019-03-14 戴文凤 Belt pulley powder metallurgy method
WO2019047032A1 (en) * 2017-09-05 2019-03-14 戴文凤 Belt pulley powder metallurgy formula
CN109877308A (en) * 2017-12-06 2019-06-14 宜兴市乐华冶金辅助材料有限公司 A kind of high-performance powder metallurgy auxiliary material
CN108273991A (en) * 2018-03-15 2018-07-13 中机锻压江苏股份有限公司 A kind of bearing block metallurgical powder
CN108453251A (en) * 2018-03-15 2018-08-28 江苏中威重工机械有限公司 A kind of motor housing metallurgical powder

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Application publication date: 20130213