CN106553020B - Manufacturing process of alloy bushing containing nickel and manganese - Google Patents
Manufacturing process of alloy bushing containing nickel and manganese Download PDFInfo
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- CN106553020B CN106553020B CN201610979718.9A CN201610979718A CN106553020B CN 106553020 B CN106553020 B CN 106553020B CN 201610979718 A CN201610979718 A CN 201610979718A CN 106553020 B CN106553020 B CN 106553020B
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- alloy
- iron sheet
- placing
- manganese
- containing nickel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
- B23P13/02—Making metal objects by operations essentially involving machining but not covered by a single other subclass in which only the machining operations are important
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- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention discloses a manufacturing process of an alloy bushing containing nickel and manganese, which comprises the following steps: (1) pouring alloy powder containing nickel and manganese into the iron sheet pipe, and welding a seal head by adopting electric welding; (2) heating to completely melt the alloy powder in the iron sheet tube; (3) centrifuging the iron sheet tube containing the alloy liquid; (4) air cooling the centrifuged iron sheet pipe; (5) cutting off the covers at two ends of the iron sheet pipe subjected to the secondary heat preservation treatment, and then placing the iron sheet pipe on an internal grinding machine for grinding the inner hole, (6) grinding the inner hole, and cutting the iron sheet pipe into a semi-finished product with required size; (7) carrying out surface treatment on the alloy bushing finished in the step, (8) carrying out water cooling treatment on the formed alloy bushing, carrying out heat treatment on the alloy bushing after water cooling, and then placing in air for natural cooling to obtain the alloy bushing.
Description
Technical Field
The invention relates to the technical field of alloy bushings, in particular to a manufacturing process of an alloy bushing containing nickel and manganese.
Background
Bushings are replacement parts commonly used in the field of industrial equipment today to prevent wear of important parts. How to extend the service life of the bushing has been a subject of research by those skilled in the art. The conventional method for prolonging the service life of the bushing device is generally an anti-abrasion method, and a bushing body is made of high-quality wear-resistant materials, but the method is not suitable for popularization due to high manufacturing cost.
Disclosure of Invention
In view of the above problems, the present invention provides a manufacturing process of an alloy bushing containing nickel and manganese.
The technical scheme adopted by the invention is as follows:
a manufacturing process of an alloy bushing containing nickel and manganese comprises the following steps:
(1) pouring alloy powder containing nickel and manganese into the iron sheet pipe, and welding a seal head by adopting electric welding;
(2) placing the welded iron sheet pipe filled with the alloy powder containing nickel and manganese into a purple oil furnace for heating, and controlling the temperature to 1070-;
(3) then placing the iron sheet tube containing the alloy liquid on a centrifuge to rotate at a constant speed of 150r/min at 120-;
(4) air cooling the centrifuged iron sheet tube for 5-8min, and placing the tube into a thermal insulation box at 850-1020 ℃ for secondary thermal insulation for 3-5 h;
(5) cutting off the sealing covers at the two ends of the iron sheet pipe subjected to the secondary heat preservation treatment, and then placing the iron sheet pipe on an inner grinding machine for grinding an inner hole to enable the size of an alloy liquid layer of the inner hole to be 3-5 mm;
(6) grinding the inner hole, cutting the iron sheet tube into semi-finished products with required size, then placing the semi-finished products on a machine tool for end surface leveling treatment, and then placing the semi-finished products on an external grinding mill for fine grinding of the obtained alloy lining to enable the end surface of the external circle to be smooth and clean;
(7) carrying out surface treatment on the alloy lining sleeve finished in the step to coat a metal coating layer on the surface of the lining sleeve, wherein the melting point of the coating layer is lower than that of the alloy containing nickel and manganese;
(8) and carrying out water cooling treatment on the formed alloy bushing, carrying out heat treatment on the alloy bushing after water cooling, and naturally cooling in air to obtain the alloy bushing.
The heat treatment temperature in the step (8) is 150-240 ℃.
The alloy powder containing nickel and manganese for the alloy bushing consists of the following chemical components: carbon, silicon, iron, copper, chromium, molybdenum, nickel, manganese, phosphorus, sulfur.
Compared with the prior art, the invention has the following beneficial effects: the alloy bushing prepared by the invention has the advantages of low cost and easy popularization and application, the alloy bushing obtained by the process has good wear resistance, and the obtained alloy bushing has small expansion force space and can be suitable for various industrial productions.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment provides a manufacturing process of an alloy bushing containing nickel and manganese, which comprises the following steps:
(1) pouring alloy powder containing nickel and manganese into the iron sheet pipe, and welding a seal head by adopting electric welding;
(2) placing the welded iron sheet pipe filled with the alloy powder containing nickel and manganese into a purple oil furnace for heating, and controlling the temperature to 1070-;
(3) then placing the iron sheet tube containing the alloy liquid on a centrifuge to rotate at a constant speed of 150r/min at 120-;
(4) air cooling the centrifuged iron sheet tube for 5-8min, and placing the tube into a thermal insulation box at 850-1020 ℃ for secondary thermal insulation for 3-5 h;
(5) cutting off the sealing covers at the two ends of the iron sheet pipe subjected to the secondary heat preservation treatment, and then placing the iron sheet pipe on an inner grinding machine for grinding an inner hole to enable the size of an alloy liquid layer of the inner hole to be 3-5 mm;
(6) grinding the inner hole, cutting the iron sheet tube into semi-finished products with required size, then placing the semi-finished products on a machine tool for end surface leveling treatment, and then placing the semi-finished products on an external grinding mill for fine grinding of the obtained alloy lining to enable the end surface of the external circle to be smooth and clean;
(7) carrying out surface treatment on the alloy lining sleeve finished in the step to coat a metal coating layer on the surface of the lining sleeve, wherein the melting point of the coating layer is lower than that of the alloy containing nickel and manganese;
(8) and carrying out water cooling treatment on the formed alloy bushing, carrying out heat treatment on the alloy bushing after water cooling, and naturally cooling in air to obtain the alloy bushing.
The heat treatment temperature in the step (8) is 150-240 ℃.
The alloy powder containing nickel and manganese for the alloy bushing consists of the following chemical components: carbon, silicon, iron, copper, chromium, molybdenum, nickel, manganese, phosphorus, sulfur.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The manufacturing process of the alloy bushing containing nickel and manganese is characterized by comprising the following steps of:
(1) pouring alloy powder containing nickel and manganese into the iron sheet pipe, and welding a seal head by adopting electric welding;
(2) placing the welded iron sheet pipe filled with the alloy powder containing nickel and manganese into a purple oil furnace for heating, and controlling the temperature to 1070-;
(3) then placing the iron sheet tube containing the alloy liquid on a centrifuge to rotate at a constant speed of 150r/min at 120-;
(4) air cooling the centrifuged iron sheet tube for 5-8min, and placing the tube into a thermal insulation box at 850-1020 ℃ for secondary thermal insulation for 3-5 h;
(5) cutting off the sealing covers at the two ends of the iron sheet pipe subjected to the secondary heat preservation treatment, and then placing the iron sheet pipe on an inner grinding machine for grinding an inner hole to enable the size of an alloy liquid layer of the inner hole to be 3-5 mm;
(6) grinding the inner hole, cutting the iron sheet tube into semi-finished products with required size, then placing the semi-finished products on a machine tool for end surface leveling treatment, and then placing the semi-finished products on an external grinding mill for fine grinding of the obtained alloy lining to enable the end surface of the external circle to be smooth and clean;
(7) carrying out surface treatment on the alloy lining sleeve finished in the step to coat a metal coating layer on the surface of the lining sleeve, wherein the melting point of the coating layer is lower than that of the alloy containing nickel and manganese;
(8) and carrying out water cooling treatment on the formed alloy bushing, carrying out heat treatment on the alloy bushing after water cooling, and naturally cooling in air to obtain the alloy bushing.
2. The process as claimed in claim 1, wherein the heat treatment temperature in step (8) is 150-240 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610979718.9A CN106553020B (en) | 2016-11-08 | 2016-11-08 | Manufacturing process of alloy bushing containing nickel and manganese |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610979718.9A CN106553020B (en) | 2016-11-08 | 2016-11-08 | Manufacturing process of alloy bushing containing nickel and manganese |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106553020A CN106553020A (en) | 2017-04-05 |
| CN106553020B true CN106553020B (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610979718.9A Active CN106553020B (en) | 2016-11-08 | 2016-11-08 | Manufacturing process of alloy bushing containing nickel and manganese |
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| CN (1) | CN106553020B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05306426A (en) * | 1992-04-30 | 1993-11-19 | Kawasaki Steel Corp | Centrifugally cast sleeve roll and its production |
| CN2398035Y (en) * | 1999-12-10 | 2000-09-27 | 詹维民 | Combined tube mould of centrifugal cast tube |
| CN102367561A (en) * | 2011-10-10 | 2012-03-07 | 陈伟军 | Centrifugal casting method of engine cylinder linder |
| CN102632216A (en) * | 2012-04-24 | 2012-08-15 | 石家庄金刚内燃机零部件集团有限公司 | Device for centrifugally casting cylinder sleeve |
| CN105239018A (en) * | 2015-10-15 | 2016-01-13 | 中钢集团邢台机械轧辊有限公司 | Roller and manufacturing method thereof |
| CN105463308A (en) * | 2015-11-26 | 2016-04-06 | 常州凯达重工科技有限公司 | Centrifugal metal roll ring and manufacturing process thereof |
| CN105874191A (en) * | 2013-12-12 | 2016-08-17 | 马勒金属立夫有限公司 | Cylinder liner of an internal combustion engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4070695B2 (en) * | 2003-09-25 | 2008-04-02 | 株式会社東芝 | Heat-resistant alloy parts material |
-
2016
- 2016-11-08 CN CN201610979718.9A patent/CN106553020B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05306426A (en) * | 1992-04-30 | 1993-11-19 | Kawasaki Steel Corp | Centrifugally cast sleeve roll and its production |
| CN2398035Y (en) * | 1999-12-10 | 2000-09-27 | 詹维民 | Combined tube mould of centrifugal cast tube |
| CN102367561A (en) * | 2011-10-10 | 2012-03-07 | 陈伟军 | Centrifugal casting method of engine cylinder linder |
| CN102632216A (en) * | 2012-04-24 | 2012-08-15 | 石家庄金刚内燃机零部件集团有限公司 | Device for centrifugally casting cylinder sleeve |
| CN105874191A (en) * | 2013-12-12 | 2016-08-17 | 马勒金属立夫有限公司 | Cylinder liner of an internal combustion engine |
| CN105239018A (en) * | 2015-10-15 | 2016-01-13 | 中钢集团邢台机械轧辊有限公司 | Roller and manufacturing method thereof |
| CN105463308A (en) * | 2015-11-26 | 2016-04-06 | 常州凯达重工科技有限公司 | Centrifugal metal roll ring and manufacturing process thereof |
Non-Patent Citations (1)
| Title |
|---|
| "ZG120Mn13衬套的离心铸造工艺";赵剑波等;《特种铸造及有色合金》;20150430;第35卷(第4期);第408-410页 * |
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| CN106553020A (en) | 2017-04-05 |
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