CN103273041A - Processing method for materials of foreplate on rolling mill - Google Patents
Processing method for materials of foreplate on rolling mill Download PDFInfo
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- CN103273041A CN103273041A CN2013101928145A CN201310192814A CN103273041A CN 103273041 A CN103273041 A CN 103273041A CN 2013101928145 A CN2013101928145 A CN 2013101928145A CN 201310192814 A CN201310192814 A CN 201310192814A CN 103273041 A CN103273041 A CN 103273041A
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Abstract
Provided is a processing method for materials of a foreplate on a rolling mill. Materials of a non-working portion of the foreplate are formed by ordinary medium-carbon low-alloy steel in a pouring mode, a wear-resisting alloy layer is formed on a working portion of the foreplate in a cast-infiltration mode, and the wear-resisting alloy layer is made of a cast steel parent body. The foreplate produced by the processing method for the materials of the foreplate on the rolling mill is simple in production process, the service life of the foreplate is greatly prolonged, and production cost is reduced.
Description
Technical field
The present invention relates to steel rolling equipment, particularly relate to the processing method of foreplate material on the rolling mill.
Background technology
In bar and shape mill was produced, foreplate was one of servicing unit of rolling mill, and mould is absolutely necessary.They are in use bearing the chilling action of thermic load, impact, high speed wearing and tearing, extruding and the cooling water of red-hot base, thereby require material to possess higher mechanical strength, hardness, wearability, impact flexibility and antioxygenic property and thermal fatigue resistance etc.The life-span of improving foreplate not only can increase steel rolling output, and can improve the stocking surface quality and reduce labor strength.Only guide and guard of China are costed gold and are surpassed 2,000,000,000 yuan, develop suitable guide and guard surface-alloying process, are applied on the steel rolling equipment, will promote the fast-developing of steel rolling industry and save a lot of resources and the energy.At present, the most high-chromium-nickel alloy steels that adopt of high-quality foreplate are done, the production cost height, and general medium-sized and small enterprises hold and dare not accept, thereby have suppressed the development of numerous enterprises.
Summary of the invention
Purpose of the present invention is exactly the processing method that foreplate material on a kind of rolling mill will be provided, and it can overcome existing foreplate and adopt the high-chromium-nickel alloy steel to make the problem that production cost is high.
The object of the present invention is achieved like this, the processing method of foreplate material on the rolling mill, it is characterized in that: foreplate inoperative part material adopts common medium carbon low alloy steel castable, in the foreplate working position, adopts the casting of cast steel parent to ooze wear-resistant alloy layer.
The composition percentage by weight of wear-resistant alloy layer of the present invention is: high-carbon chromium iron 65%-75%, vanadium iron powder 8%-12%, titanium-iron powder 2%-6%, rare earth silicon iron powder 1%-1.2%, nickel package alumina particle 12%-18%.
The present invention stirs high-carbon chromium iron 65%-75%, vanadium iron powder 8%-12%, titanium-iron powder 2%-6%, rare earth silicon iron powder 1%-1.2%, add nickel package alumina particle 12%-18% again, the resin that adds the 2%-2.5% of above-mentioned alloy gross weight at last, further stir, be coated in the foreplate working position then, after the resin solidification 35 minutes, be that 1560 ℃ of-1600 ℃ of medium carbon low alloy steel molten steel pour into casting mold with temperature, and then air cooling, sand removal, polishing.
The foreplate that the present invention produces, production technology is easy, has significantly improved long service life, has reduced production cost.
The specific embodiment
In the foreplate working position, adopt casting to ooze technology, preparation one deck wear-resistant alloy layer, and common medium carbon low alloy steel castable is adopted at the inoperative position of foreplate; Described wear-resistant alloy layer is with high-carbon chromium iron 65%-75%, vanadium iron powder 8%-12%, titanium-iron powder 2%-6%, rare earth silicon iron powder 1%-1.2% stirs, add nickel package alumina particle 12%-18% again, the resin that adds the 2%-2.5% of above-mentioned alloy gross weight at last, further stir, resin is evenly distributed in alloy powder and the nickel package alumina particle, be coated in the foreplate working position then, after the resin solidification 35 minutes, be that 1560 ℃ of-1600 ℃ of medium carbon low alloy steel molten steel directly pour in the casting mold mould with temperature, alloy powder is under the high-temperature molten steel effect, behind the molten steel solidification around the alloy powder, can obtain matrix is that martensite adds the small amount of residual austenite, and contain VC, TiC and M
7C
3The complex tissue of type carbide and alumina particle has high rigidity and excellent abrasive, and foreplate is increased substantially service life.The foreplate that the present invention produces, production technology is easy, contains the Al of 25%～35% high rigidity carbide and about 15% in the metallographic structure of foreplate working position
2O
3Hard particles, matrix are that martensite adds a small amount of austenite, cause foreplate working position hardness height, reach more than 60 HRC, have good wearability.Foreplate working position wearing layer thickness reaches 5～8 mm, and the alloy raw material addition is few, and production cost obviously reduces than whole steel alloy casting foreplate.Under identical operating mode, the service life of the foreplate that the present invention produces, the whole steel alloy casting foreplate than prior art improved 3-5 doubly.
Claims (3)
1. the processing method of foreplate material on the rolling mill, it is characterized in that: foreplate inoperative part material adopts common medium carbon low alloy steel castable, in the foreplate working position, adopts the casting of cast steel parent to ooze wear-resistant alloy layer.
2. the processing method of foreplate material on the rolling mill according to claim 1, it is characterized in that: the composition percentage by weight of described wear-resistant alloy layer is: high-carbon chromium iron 65%-75%, vanadium iron powder 8%-12%, titanium-iron powder 2%-6%, rare earth silicon iron powder 1%-1.2%, nickel package alumina particle 12%-18%.
3. the processing method of foreplate material on the rolling mill according to claim 1 and 2, it is characterized in that: high-carbon chromium iron 65%-75%, vanadium iron powder 8%-12%, titanium-iron powder 2%-6%, rare earth silicon iron powder 1%-1.2% are stirred, add nickel package alumina particle 12%-18% again, the resin that adds the 2%-2.5% of above-mentioned alloy gross weight at last, further stir, be coated in the foreplate working position then, after the resin solidification 35 minutes, be that 1560 ℃ of-1600 ℃ of medium carbon low alloy steel molten steel pour into casting mold with temperature, and then air cooling, sand removal, polishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101928145A CN103273041A (en) | 2013-05-23 | 2013-05-23 | Processing method for materials of foreplate on rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101928145A CN103273041A (en) | 2013-05-23 | 2013-05-23 | Processing method for materials of foreplate on rolling mill |
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| CN103273041A true CN103273041A (en) | 2013-09-04 |
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| CN2013101928145A Pending CN103273041A (en) | 2013-05-23 | 2013-05-23 | Processing method for materials of foreplate on rolling mill |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104946965A (en) * | 2015-06-17 | 2015-09-30 | 铜陵市大成轧辊有限责任公司 | Spheroidal graphite cast steel roller and preparing method thereof |
| CN114011887A (en) * | 2021-10-18 | 2022-02-08 | 马鞍山市方圆材料工程股份有限公司 | Outlet guide for lost foam composite casting and production process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60180660A (en) * | 1984-02-28 | 1985-09-14 | Hitachi Metals Ltd | Composite roll for rolling |
| CN1165062A (en) * | 1996-05-13 | 1997-11-19 | 杨长海 | Founding compound material cold rolled roller and its production technology |
| CN1203839A (en) * | 1998-05-15 | 1999-01-06 | 李铁顺 | Composite steel sheet billet and manufacturing method thereof |
| CN2782248Y (en) * | 2004-11-16 | 2006-05-24 | 李彬 | Mechanical clamping type wear-proof cast iron gruide board |
| CN101195156A (en) * | 2007-12-04 | 2008-06-11 | 北京工业大学 | Process for producing casting and seeping foreplate of rolling mill |
-
2013
- 2013-05-23 CN CN2013101928145A patent/CN103273041A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60180660A (en) * | 1984-02-28 | 1985-09-14 | Hitachi Metals Ltd | Composite roll for rolling |
| CN1165062A (en) * | 1996-05-13 | 1997-11-19 | 杨长海 | Founding compound material cold rolled roller and its production technology |
| CN1203839A (en) * | 1998-05-15 | 1999-01-06 | 李铁顺 | Composite steel sheet billet and manufacturing method thereof |
| CN2782248Y (en) * | 2004-11-16 | 2006-05-24 | 李彬 | Mechanical clamping type wear-proof cast iron gruide board |
| CN101195156A (en) * | 2007-12-04 | 2008-06-11 | 北京工业大学 | Process for producing casting and seeping foreplate of rolling mill |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104946965A (en) * | 2015-06-17 | 2015-09-30 | 铜陵市大成轧辊有限责任公司 | Spheroidal graphite cast steel roller and preparing method thereof |
| CN114011887A (en) * | 2021-10-18 | 2022-02-08 | 马鞍山市方圆材料工程股份有限公司 | Outlet guide for lost foam composite casting and production process |
| CN114011887B (en) * | 2021-10-18 | 2023-01-17 | 马鞍山市方圆材料工程股份有限公司 | Outlet guide for lost foam composite casting and production process |
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Application publication date: 20130904 |