CN101182862A - Zinc-radical abrasion resistant alloy self-lubricated bearing, slide board, pad and manufacturing method - Google Patents
Zinc-radical abrasion resistant alloy self-lubricated bearing, slide board, pad and manufacturing method Download PDFInfo
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- CN101182862A CN101182862A CNA2007101611981A CN200710161198A CN101182862A CN 101182862 A CN101182862 A CN 101182862A CN A2007101611981 A CNA2007101611981 A CN A2007101611981A CN 200710161198 A CN200710161198 A CN 200710161198A CN 101182862 A CN101182862 A CN 101182862A
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Abstract
The present invention provides a zinc-base wear-resistant alloy self-lubricating bearing, a sliding board, a pad and the manufacture method thereof, which is composed of a zinc alloy and solid lubricating materials. The base surface of the zinc base alloy is embedded with a cylinder graphite rod which contains lubricant; the zinc alloy base is composed of chemical elements in the following mass percentage: 2 to 3.5 percent of Cu, 11 to 13 percent of Al, 83 to 87 percent of Zn, 0.04 to 0.06 percent of Mg, 0.02 to 0.03 percent of Ce. The manufacturing method includes: (1) processing base materials; (2) inserting solid lubricant; (3) surface processing of porous bearings. The present invention solves the problems that: the cost of the current Cu base self lubricating bearing sliding board and the pad materials is high, which results in non-adoption of a variety of project machines; besides, other materials are complicated in process techniques, the production period and the dimensional precision are difficult to control, and in particular the production can not be guaranteed because of complicated bearing components. With the adoption of the invention, high tin-aluminum alloy, copper alloy and aluminum alloy can be replaced, the price is low, the proportion is light and the hardness is high. Simultaneously, the invention has the advantages of better affinity to oil than bronze, low friction coefficient and good mechanical performance.
Description
Technical field
What the present invention relates to is a kind of self oiling bearing, slide plate, pad of zinc-base wear-resisting alloy, and their manufacture method, belongs to the self oiling bearing technical field.
Background technique
Existing in the market oil-containing self oiling bearing is that the embedded self-lubricating material of copper base 6-6-3,10-1,9-4, high-tensile strength brass oil-containing forms.The oil containing bearing material cost height of copper base can not be adopted by various engineering machinery,
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned existence, be body material with the zinc base alloy and inlay an amount of oil-containing self lubricating material to improve Zinc-radical abrasion resistant alloy self-lubricated bearing, slide plate, pad and the manufacture method of bearing, slide plate, pad product performance and provide a kind of.The objective of the invention is to finish by following technical solution, it is to be embedded in together by zinc alloy matrix and solid lubricant to constitute; Evenly be inlaid with the cylindric graphite rod that contains oiling agent on the described zinc base alloy matrix surface, described zinc base alloy matrix is made up of the Chemical composition of following weight percentage: copper Cu 2-3.5%, aluminium Al11-13%, zinc Zn 83-87%, magnesium Mg 0.04-0.06%, cerium Ce 0.02-0.04%.
Described zinc base alloy matrix is made up of the Chemical composition of following weight percentage: copper Cu 2.725%, aluminium Al12.2%, zinc Zn 85%, magnesium Mg 0.05%, cerium Ce 0.025%; The mosaic area of described solid lubricant is the 20-30% of the surface area of the relative fricting movement of zinc alloy matrix.
The manufacture method of a kind of Zinc-radical abrasion resistant alloy self-lubricated bearing as mentioned above, slide plate, pad, this method comprises:
(1) processing of body material, the ratio of various metals according to copper copper Cu 2-3.5%, aluminium Al 11-13%, zinc Zn83-87%, magnesium Mg 0.04-0.06%, cerium Ce 0.02-0.04% melted and fuse, smelting temperature is 400-450 ℃ and carries out casting processing, and casting method adopts a kind of in static casting process, centrifugal cast iron pipe and the die casting;
(2) inlaid solid lubrication agent: according to the working condition of bearing, selecting graphite hardness is the rod that contains oiling agent of 40-50HB, selects required big or small length for use, holes on zinc base alloy then, and the graphite rod of oil-containing is embedded in the hole;
(3) surface Machining of oil-impregnated bearing: a kind of is roughing, and the mode of adopt car, digging, mill, grinding is processed; Another kind of is fine finishing, adopts the mode of finish turning correct grinding and finish-milling to process.
Described solid lubricant adopts through hole or blind hole method to inlay on the zinc base alloy matrix of bearing, slide plate; Being cured sintering after through hole is inlayed oil-containing graphite rod post is pressed into firmly gets final product; When inlaying, blind hole to guarantee sintering is solidified in the compacting of oil-containing graphite rod.
Zinc base alloy self oiling bearing of the present invention, slide plate, its body material adopts zinc base alloy, present copper radical self-lubricating bearing slide plate, gasket material cost height have been solved, can not be adopted by various engineering machinery, and other manufacture of materials complex process, the control of long and dimensional accuracy difficulty of manufacture cycle particularly just can not guarantee the problem of processing during the bearing parts complexity.Because zinc base alloy has advantages of good casting, just with the bearing parts that is processed into the different structure shape, can replace high tin-aluminum alloy, Cuprum alloy, aluminum alloy, its low price, light specific gravity, hardness is higher, has bigger to the affinity of oil than bronze simultaneously, advantages such as friction factor is low, and mechanical property is good.Therefore, the described zinc base alloy self oiling bearing of this patent application prospect is very wide.The present invention also has the characteristics of a maximum to be: the environmental issue of product, the present invention is not leaded, cadmium, mercury and other harmful element.
Main performance of the present invention and Cuprum alloy contrast as following table:
| Technical parameter | ZQSN6-6-3 | ZQSN10-1 | ZQAI9-4 | Zinc base alloy |
| Do and draw intensity N/mm 2 | 180-220 | 220-250 | 400-500 | 400-460 |
| Ductility % | 6 | 3-5 | 10 | 1.5-4.0 |
| Hardness HB | 65 | 80 | 110 | 95 |
| Friction factor (dry friction) | 0.16 | 0.14 | 0.16 | 0.12 |
| Friction factor (oil lubrication) | 0.16 | 0.14 | 0.16 | 0.10 |
| Proportion g/mm 2 | 8.82 | 8.98 | 7.7 | 6.0 |
| Linear expansion 10-a | 17.1 | 18.5 | 18.1 | 25 |
| Heat conductivity c.s.c | 0.22 | 0.12 | 0.14 | 0.24 |
| Compression set 400N/mm 2 | ＜0.05 | ＜0.05 | ＜0.05 | ＜0.05 |
| Maximum operation (service) temperature | 300℃ | 300℃ | 300℃ | 150℃ |
| Use root limit PV value | 0.5N/mm 2.m/ s | 0.5N/mm 2.m/s | 0.5N/mm 2.m/s | 0.5N/mm 2.m/s |
| Limit dynamic load mm 2 | 30N/mm 2 | 40N/mm 2 | 50N/mm 2 | 50N/mm 2 |
Embodiment
The present invention will be described in detail below in conjunction with embodiment: the present invention relates to Zinc-radical abrasion resistant alloy self-lubricated bearing product, slide plate product or pad product.These shape of products are different with purposes, but can constitute with being embedded in a kind of Zinc alloy based body and solid lubricant together; Evenly be inlaid with the cylindric graphite rod that contains oiling agent on the described zinc base alloy matrix surface, described zinc base alloy matrix is made up of the Chemical composition of following weight percentage: copper Cu 2-3.5%, aluminium Al 11-13% zinc Zn 83-87%, magnesium Mg 0.04-0.06%, cerium Ce 0.02-0.04%.
The optimal components proportioning of described zinc base alloy matrix is made up of the Chemical composition of following weight percentage: copper Cu2.725%, aluminium Al 12.2%, zinc Zn 85%, magnesium Mg 0.05%, cerium Ce 0.025%; The mosaic area of described solid lubricant is the 20-30% of the surface area of the relative fricting movement of zinc alloy matrix.
Embodiment 1,
A kind of manufacture method of Zinc-radical abrasion resistant alloy self-lubricated bearing product, this method comprises:
(1) processing of body material, the ratio of various metals according to copper Cu 2.725%, aluminium Al 12.2%, zinc Zn 85%, magnesium Mg 0.05%, cerium Ce 0.025% melted and fuse, smelting temperature is 425 ℃ and carries out casting processing that casting method adopts static casting process;
(2) inlaid solid lubrication agent: according to the working condition of bearing, selecting graphite hardness is the rod that contains oiling agent of 45HB, selects required big or small length for use, holes on zinc base alloy then, and the graphite rod of oil-containing is embedded in the hole; The mosaic area of described solid lubricant be the relative fricting movement of zinc alloy matrix surface area 25%.
(3) surface Machining of oil-impregnated bearing: adopt car, dig, mill, mode such as mill carries out roughing.
Embodiment 2
A kind of manufacture method of Zinc-radical abrasion resistant alloy self-lubricated slide plate product, this method comprises:
(1) processing of body material, the ratio of various metals according to copper copper Cu 3.5%, aluminium Al 13%, zinc Zn 83.4%, magnesium Mg 0.06%, cerium Ce 0.04% melted and fuse, smelting temperature is 400 ℃ and carries out casting processing that casting method adopts centrifugal cast iron pipe;
(2) inlaid solid lubrication agent: according to the working condition of bearing, selecting graphite hardness is the rod that contains oiling agent of 40HB, selects required big or small length for use, holes on zinc base alloy then, and the graphite rod of oil-containing is embedded in the hole; Adopt through-hole approaches to inlay on the described slide plate product zinc base alloy matrix; Being cured sintering after through hole is inlayed oil-containing graphite rod post is pressed into firmly gets final product; The mosaic area of described solid lubricant be the relative fricting movement of zinc alloy matrix surface area 20%.
(3) surface Machining of oil-impregnated bearing: adopt car, dig, mill, mode such as mill carries out roughing.
Embodiment 3
A kind of manufacture method of Zinc-radical abrasion resistant alloy self-lubricated pad product, this method comprises:
(1) processing of body material is melted the ratio of various metals according to copper copper Cu 2%, aluminium Al 11%, zinc Zn 86.94%, magnesium Mg 0.04%, cerium Ce 0.02% and fuse, and smelting temperature is 450 ℃ and carries out casting processing that casting method adopts die casting;
(2) inlaid solid lubrication agent: according to the working condition of bearing, selecting graphite hardness is the rod that contains oiling agent of 50HB, selects required big or small length for use, holes on zinc base alloy then, and the graphite rod of oil-containing is embedded in the hole; Adopt the blind hole method to inlay on the zinc base alloy matrix of described pad; When inlaying, blind hole to guarantee sintering is solidified in the compacting of oil-containing graphite rod; The mosaic area of described solid lubricant be the relative fricting movement of zinc alloy matrix surface area 30%;
(3) surface Machining of oil-impregnated bearing: adopt modes such as finish turning correct grinding and finish-milling to carry out fine finishing.
Embodiment 4
The concrete production technology of zinc base alloy self oiling bearing is as follows:
(1) processing of body material:
To produce 100kg zinc base alloy body material is example: is copper Cu 2.725%, aluminium Al 12.2%, zinc Zn 85%, magnesium Mg 0.05%, cerium Ce 0.025% mixing and fusing with various metals according to material composition, smelting temperature is 400-450 ℃ and carries out casting processing, adopts static casting process.
(2) inlaid solid lubrication agent.According to the working condition of bearing slide plate, select the utilization area of oiling agent to hole then, solid lubricant is embedded in the hole;
(3) surface Machining of bearing, slide plate adopts roughing, car, the mode of digging, mill, grinding processes.
Other embodiment of the present invention can pass through number range, comprises selections such as set of dispense ratio or processing mode, constitutes behind alternative the foregoing description.
Static casting method of the present invention is specially adapted to the batch process of cylinder-shaped bearing, flange edge bearing, slide plate bearing, pad.
Claims (4)
1. a Zinc-radical abrasion resistant alloy self-lubricated axle sleeve, slide plate, pad, it is to be embedded in together by zinc alloy matrix and solid lubricant to constitute; It is characterized in that evenly being inlaid with the cylindric graphite rod that contains oiling agent on the described zinc base alloy matrix surface, described zinc base alloy matrix is made up of the Chemical composition of following weight percentage: copper Cu 2-3.5%, aluminium Al 11-13%, zinc Zn 83-87%, magnesium Mg 0.04-0.06%, cerium Ce 0.02-0.03%.
2. Zinc-radical abrasion resistant alloy self-lubricated axle sleeve according to claim 1, slide plate, pad is characterized in that described zinc base alloy matrix is made up of the Chemical composition of following weight percentage: copper Cu 2.725%, aluminium Al 12.2%, zinc Zn 85%, magnesium Mg 0.05%, cerium Ce 0.025%; The mosaic area of described solid lubricant is the 20-30% of the surface area of the relative fricting movement of zinc alloy matrix.
3. manufacture method of Zinc-radical abrasion resistant alloy self-lubricated bearing, slide plate, pad as mentioned above is characterized in that this method comprises:
(1) processing of body material, the ratio of various metals according to copper Cu 2-3.5%, aluminium Al 11-13%, zinc Zn 83-87%, magnesium Mg 0.04-0.06%, cerium Ce 0.02-0.03% melted and fuse, smelting temperature is 400-450 ℃ and carries out casting processing, and casting method adopts a kind of in static casting process, centrifugal cast iron pipe and the die casting;
(2) inlaid solid lubrication agent: according to the working condition of bearing, selecting hardness is the graphite rod that contains oiling agent of 40-50HB, selects required big or small length for use, holes on the zinc base alloy matrix then, and the graphite rod of oil-containing is embedded in the hole;
(3) surface Machining of oil-impregnated bearing: a kind of is roughing, and the mode of adopt car, digging, mill, grinding is processed; Another kind of is fine finishing, adopts the mode of finish turning correct grinding and finish-milling to process
4. the manufacture method of Zinc-radical abrasion resistant alloy self-lubricated bearing according to claim 3, slide plate, pad is characterized in that described solid lubricant adopts through hole or blind hole method to inlay on the zinc base alloy matrix of bearing, slide plate; Being cured sintering after through hole is inlayed oil-containing graphite rod post is pressed into firmly gets final product; When inlaying, blind hole to guarantee sintering is solidified in the compacting of oil-containing graphite rod.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101611981A CN100567752C (en) | 2007-12-20 | 2007-12-20 | Zinc-radical abrasion resistant alloy self-lubricated bearing, slide plate, pad and manufacture method |
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| CNB2007101611981A CN100567752C (en) | 2007-12-20 | 2007-12-20 | Zinc-radical abrasion resistant alloy self-lubricated bearing, slide plate, pad and manufacture method |
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| CN101182862A true CN101182862A (en) | 2008-05-21 |
| CN100567752C CN100567752C (en) | 2009-12-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102373657A (en) * | 2011-08-20 | 2012-03-14 | 中铁宝桥集团有限公司 | Intermediate hinged shaft device for medium-low speed maglev turnout junction girder |
| CN105503033A (en) * | 2014-09-26 | 2016-04-20 | 宝钢特钢有限公司 | Gasket for thermal simulation test and preparation method thereof |
| CN110081710A (en) * | 2019-04-22 | 2019-08-02 | 北方工业大学 | A kind of sintering machine slide way slide plate and its manufacturing method |
| CN112555155A (en) * | 2020-12-08 | 2021-03-26 | 合肥墨研涡旋科技有限公司 | Self-lubricating wear-resistant gasket for electric scroll compressor and preparation method thereof |
-
2007
- 2007-12-20 CN CNB2007101611981A patent/CN100567752C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102373657A (en) * | 2011-08-20 | 2012-03-14 | 中铁宝桥集团有限公司 | Intermediate hinged shaft device for medium-low speed maglev turnout junction girder |
| CN102373657B (en) * | 2011-08-20 | 2014-05-07 | 中铁宝桥集团有限公司 | Intermediate hinged shaft device for medium-low speed maglev turnout junction girder |
| CN105503033A (en) * | 2014-09-26 | 2016-04-20 | 宝钢特钢有限公司 | Gasket for thermal simulation test and preparation method thereof |
| CN105503033B (en) * | 2014-09-26 | 2017-05-24 | 宝钢特钢有限公司 | Gasket for thermal simulation test and preparation method thereof |
| CN110081710A (en) * | 2019-04-22 | 2019-08-02 | 北方工业大学 | A kind of sintering machine slide way slide plate and its manufacturing method |
| CN112555155A (en) * | 2020-12-08 | 2021-03-26 | 合肥墨研涡旋科技有限公司 | Self-lubricating wear-resistant gasket for electric scroll compressor and preparation method thereof |
| CN112555155B (en) * | 2020-12-08 | 2024-04-09 | 合肥墨研涡旋科技有限公司 | Self-lubricating wear-resistant gasket for electric scroll compressor and preparation method thereof |
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| CN100567752C (en) | 2009-12-09 |
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Assignee: Jiaxing Tianyou Machinery Co. Ltd. Assignor: Yao Zusheng Contract record no.: 2010330002157 Denomination of invention: Zinc-radical abrasion resistant alloy self-lubricated bearing, slide board, pad and manufacturing method Granted publication date: 20091209 License type: Common License Open date: 20080521 Record date: 20101115 |
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