CN103557233A - Babbit metal bearing bush with bonding layer - Google Patents
Babbit metal bearing bush with bonding layer Download PDFInfo
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- CN103557233A CN103557233A CN201310527498.2A CN201310527498A CN103557233A CN 103557233 A CN103557233 A CN 103557233A CN 201310527498 A CN201310527498 A CN 201310527498A CN 103557233 A CN103557233 A CN 103557233A
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- electroplating
- layer
- iron
- iron layer
- babbit
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- Electroplating Methods And Accessories (AREA)
Abstract
The invention provides a babbit metal bearing bush with a bonding layer. The babbit metal bearing bush comprises a copper bush back (1) and a babbit metal layer (3), wherein an iron layer (2) is plated on the surface, which faces to the babbit metal layer (3), of the copper bush back (1); the babbit metal layer (3) is poured on the iron layer (2); the thickness of the iron layer (2) is 0.0127-0.0762 mm. According to the invention, the iron layer (2) is plated on the surface, which faces to the babbit metal layer (3), of the copper bush back (1); good bonding strength of the iron layer and the copper bush back (1) is achieved; the iron layer can effectively prevent the formation of Cu6Sn5 or Cu5Sn4; the iron plating process has the advantage of low toxicity.
Description
Technical field
The present invention relates to a kind of babbit metal bearing tile fragment with binder course.
Background technique
The sliding bearing of applying in industry has a variety of, but most of sliding bearing all has similarly the typical structure being comprised of watt back of the body and soft metal or Babbitt.These bearings will be faced harsher running environment when operation; inefficacy under extreme case may cause catastrophic effect; light pay maintenance expenses and the shutdown loss of tens thousand of units; heavy cause the damage of other static part; during especially severe, even can cause rotating shaft to damage, may need the maintenance expenses of millions of units.
Have a key factor that affects bearing operation can not be ignored, that is exactly the bond quality of Babbitt and watt back of the body.The bond quality of Babbitt and watt back of the body has extremely vital impact for the reliability of bearing.
Most manufacturers can require binder course when using non-destructive inspection (UT), has more than 90%, even 100% combination rate.So in copper and chromiumcopper can incline watt, transfer in copper or chromiumcopper and form Cu if tin by tining and pour into a mould Babbitt, can occur copper or the chromiumcopper watt back of the body so
6sn
5or Cu
5sn
4layer, Cu
6sn
5or Cu
5sn
4layer can solidify rear continued growth and form new alloy-layer.This growth meeting Yin Wendu raises and aggravates, and can not stop, unless this alloy-layer occurs to rupture completely because of its own brittle failure.Have a strong impact on combination rate and the life-span of the copper back of the body and Babbitt.
To the copper back of the body, nickel plating is a kind of means that solve the problems of the technologies described above, but because tin also has similar phenomenon of osmosis with nickel, the problem that copper tin interpenetrates still exists on a small quantity.Nickel plating is not only expensive in addition, and environment is had to larger negative effect.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides that a kind of cost is low, environmental pollution is little and can solve watt back of the body in brasses back of the body Babbitt tile fragment and Babbitt in conjunction with forming Cu
6sn
5or Cu
5sn
4the babbit metal bearing tile fragment with binder course of problem layer by layer.
The technical solution used in the present invention is: comprise the brasses back of the body and babbit layer, the described brasses back of the body is coated with an iron layer on the surface of babbit layer, and babbit layer casts on iron layer.
In the above-mentioned babbit metal bearing tile fragment with binder course, the thickness of described iron layer is 0.0127-0.0762mm.
An electroplating technology for iron layer, comprises the steps;
1) prepare a container and fill ferrous chloride solution, add calcium carbonate to stir, and at room temperature make pH value reach 0.5～4.0, standing and precipitated impurities, then transfers to the mixed solution after precipitation in electroplating pool;
2) solution in heating electroplating pool, filters the solution in electroplating pool with circulated filter system, until solution becomes limpid emerald;
3) solution temperature in electroplating pool is adjusted to 72～78 ℃, pH value is adjusted to 1.0～1.2, and the concentration of iron is 28%～30%;
4) many pure iron electrode rods are positioned in electroplating pool, the many ferroelectric utmost points are connected on same electrode, and this electrode is connected on a cathode power supply and rectifier; A negative electrode shelf is disposed in electroplating pool to cathode carrier sub-connection power cathode;
5) a false negative electrode is stretched out and inserts electroplate liquid from negative electrode shelf;
6) open and electroplate control power supply, false negative electrode is electroplated, to the uniform grey of false negative electrode covering one deck;
7) surface of cleaning brasses back of the body electroplated, and by the surface of electroplated over against pure iron electrode.
8) the brasses back of the body is electroplated, electroplated the afterflush brasses back of the body.
In the electroplating technology of above-mentioned iron layer, step 2) middle solution to 38～52 ℃ of heating in electroplating pool.
In the electroplating technology of above-mentioned iron layer, step 2) in, the screen specification of circulated filter system is from 100 microns to 3 microns.
In the electroplating technology of above-mentioned iron layer, while electroplating in step 6), electroplating voltage is 1V, and current density is 3000A/ ㎡.
In the electroplating technology of above-mentioned iron layer, while electroplating in step 6), electroplating time is 4h.
In the electroplating technology of above-mentioned iron layer, step 5), 6) the false negative electrode described in is the Corrugated Steel after dezincify.
In the electroplating technology of above-mentioned iron layer, while electroplating in step 8), current density is 3000A/ ㎡.
In the electroplating technology of above-mentioned iron layer, while electroplating in step 8), electroplating time is 30-45min.
Compared with prior art, the invention has the beneficial effects as follows: the babbit metal bearing tile fragment with binder course of the present invention is coated with an iron layer at the brasses back of the body on the surface of babbit layer, and iron layer and the brasses back of the body have good adhesive strength, and iron layer can effectively prevent Cu
6sn
5or Cu
5sn
4the formation of layer, and iron plating process has hypotoxic advantage, and environmental pollution is little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Figure 1, the babbit metal bearing tile fragment with binder course of the present invention comprises the brasses back of the body 1 and babbit layer 3, and the described brasses back of the body 1 is coated with an iron layer 2 on the surface of babbit layer 3, and babbit layer 3 casts on iron layer 2; The thickness of described iron layer 2 is 0.0127-0.0762mm.
An electroplating technology for iron layer 2, comprises the steps;
1) prepare the ferrous chloride solution of full 2/3 capacity of 240 liters of clean barreleds, add calcium carbonate to stir, and at room temperature make pH value reach 0.5～4.0, standing and precipitated impurities, then transfers to the mixed solution after precipitation in electroplating pool; Repeat above operation, and the electroplating pool of annotating is to needed amount.
2) solution in electroplating pool is heated to 38～52 ℃, with circulated filter system, the solution in electroplating pool is filtered, until solution becomes limpid emerald; The filter screen specification of circulated filter system is from 100 microns to 3 microns.
3) solution temperature in electroplating pool is adjusted to 72～78 ℃, pH value is adjusted to 1.0～1.2, and the concentration of iron is 28%～30%;
4) 12 pure iron electrode rods are positioned in electroplating pool, the many ferroelectric utmost points are connected on same electrode, and this electrode is connected on a cathode power supply and rectifier; A negative electrode shelf is disposed in electroplating pool to cathode carrier sub-connection power cathode.
5) a false negative electrode is stretched out and inserts electroplate liquid from negative electrode shelf; Described false negative electrode is the Corrugated Steel after dezincify.
6) open and electroplate control power supply, false negative electrode is electroplated, to the uniform grey of false negative electrode covering one deck; During plating, electroplating voltage is 1V, and current density is 3000A/ ㎡, and electroplating time is 4h.
7) surface of the electroplated of the cleaning brasses back of the body 1, and by the surface of electroplated over against pure iron electrode.
8) the brasses back of the body 1 is electroplated, electroplated the afterflush brasses back of the body; During plating, current density is 3000A/ ㎡, and electroplating time is 30-45min.
Claims (10)
1. a babbit metal bearing tile fragment with binder course, comprises the brasses back of the body and babbit layer, it is characterized in that: the described brasses back of the body is coated with an iron layer on the surface of babbit layer, and babbit layer casts on iron layer.
2. the babbit metal bearing tile fragment with binder course as claimed in claim 1, is characterized in that: the thickness of described iron layer is 0.0127-0.0762mm.
3. an electroplating technology for iron layer, comprises the steps:
1) prepare a container and fill ferrous chloride solution, add calcium carbonate to stir, and at room temperature make pH value reach 0.5～4.0, standing and precipitated impurities, then transfers to the mixed solution after precipitation in electroplating pool;
2) solution in heating electroplating pool, filters the solution in electroplating pool with circulated filter system, until solution becomes limpid emerald;
3) solution temperature in electroplating pool is adjusted to 72～78 ℃, pH value is adjusted to 1.0～1.2, and the concentration of iron is 28%～30%;
4) many pure iron electrode rods are positioned in electroplating pool, the many ferroelectric utmost points are connected on same electrode, and this electrode is connected on a cathode power supply and rectifier; A negative electrode shelf is disposed in electroplating pool to cathode carrier sub-connection power cathode;
5) a false negative electrode is stretched out and inserts electroplate liquid from negative electrode shelf;
6) open and electroplate control power supply, false negative electrode is electroplated, to the uniform grey of false negative electrode covering one deck;
7) surface of cleaning brasses back of the body electroplated, and by the surface of electroplated over against pure iron electrode;
8) the brasses back of the body is electroplated, electroplated the afterflush brasses back of the body.
4. solution to 38～52 ℃ the electroplating technology of iron layer as claimed in claim 3, step 2) in heating electroplating pool.
5. the electroplating technology of iron layer as claimed in claim 3, step 2), the screen specification of circulated filter system is from 100 microns to 3 microns.
6. the electroplating technology of iron layer as claimed in claim 3, while electroplating in step 6), electroplating voltage is 1V, current density is 3000A/ ㎡.
7. the electroplating technology of iron layer as claimed in claim 3, while electroplating in step 6), electroplating time is 4h.
8. the false negative electrode the electroplating technology of iron layer as claimed in claim 3, step 5), 6) is the Corrugated Steel after dezincify.
9. the electroplating technology of iron layer as claimed in claim 3, while electroplating in step 8), current density is 3000A/ ㎡.
10. the electroplating technology of iron layer as claimed in claim 3, while electroplating in step 8), electroplating time is 30-45min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310527498.2A CN103557233A (en) | 2013-10-31 | 2013-10-31 | Babbit metal bearing bush with bonding layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310527498.2A CN103557233A (en) | 2013-10-31 | 2013-10-31 | Babbit metal bearing bush with bonding layer |
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| Publication Number | Publication Date |
|---|---|
| CN103557233A true CN103557233A (en) | 2014-02-05 |
Family
ID=50011560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310527498.2A Pending CN103557233A (en) | 2013-10-31 | 2013-10-31 | Babbit metal bearing bush with bonding layer |
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| Country | Link |
|---|---|
| CN (1) | CN103557233A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303124A (en) * | 2020-10-20 | 2021-02-02 | 水利部杭州机械设计研究所 | Connecting coating for bearing bush cast babbit alloy and preparation process thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4233071A (en) * | 1979-01-04 | 1980-11-11 | General Motors Corporation | Bearing having iron sulfur matrix |
| JPH11257355A (en) * | 1998-03-13 | 1999-09-21 | Toyota Motor Corp | Sliding member |
| US6117565A (en) * | 1996-05-24 | 2000-09-12 | Pioneer Motor Bearing Co. | Babbitted bearing having an improved bonding layer and a method of depositing same |
| JP2006153193A (en) * | 2004-11-30 | 2006-06-15 | Taiho Kogyo Co Ltd | Slide material and manufacturing method |
| CN201314335Y (en) * | 2008-12-30 | 2009-09-23 | 哈尔滨太阳岛船艇科技开发有限责任公司 | Bearing bush for boat |
| CN203548574U (en) * | 2013-10-31 | 2014-04-16 | 湖南崇德工业科技有限公司 | Babbitt metal bearing pad with bonding layer |
-
2013
- 2013-10-31 CN CN201310527498.2A patent/CN103557233A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4233071A (en) * | 1979-01-04 | 1980-11-11 | General Motors Corporation | Bearing having iron sulfur matrix |
| US6117565A (en) * | 1996-05-24 | 2000-09-12 | Pioneer Motor Bearing Co. | Babbitted bearing having an improved bonding layer and a method of depositing same |
| JPH11257355A (en) * | 1998-03-13 | 1999-09-21 | Toyota Motor Corp | Sliding member |
| JP2006153193A (en) * | 2004-11-30 | 2006-06-15 | Taiho Kogyo Co Ltd | Slide material and manufacturing method |
| CN201314335Y (en) * | 2008-12-30 | 2009-09-23 | 哈尔滨太阳岛船艇科技开发有限责任公司 | Bearing bush for boat |
| CN203548574U (en) * | 2013-10-31 | 2014-04-16 | 湖南崇德工业科技有限公司 | Babbitt metal bearing pad with bonding layer |
Non-Patent Citations (1)
| Title |
|---|
| 林鲲荣;李文樂;: "铸铁浇巴氏合金", 《华东纺织工学院学报》, no. 2, 30 April 1957 (1957-04-30), pages 35 - 38 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303124A (en) * | 2020-10-20 | 2021-02-02 | 水利部杭州机械设计研究所 | Connecting coating for bearing bush cast babbit alloy and preparation process thereof |
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Application publication date: 20140205 |