CN101240408A - Furnace roller and manufacturing method thereof - Google Patents

Furnace roller and manufacturing method thereof Download PDF

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Publication number
CN101240408A
CN101240408A CNA2008100332497A CN200810033249A CN101240408A CN 101240408 A CN101240408 A CN 101240408A CN A2008100332497 A CNA2008100332497 A CN A2008100332497A CN 200810033249 A CN200810033249 A CN 200810033249A CN 101240408 A CN101240408 A CN 101240408A
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CN
China
Prior art keywords
furnace roller
jsstdg
coating
manufacture method
furnace
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Pending
Application number
CNA2008100332497A
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Chinese (zh)
Inventor
李康中
张幸
王建康
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SHANGHAI JUNSHAN SURFACE TECHNOLOGY ENGINEERING Co Ltd
Original Assignee
SHANGHAI JUNSHAN SURFACE TECHNOLOGY ENGINEERING Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by SHANGHAI JUNSHAN SURFACE TECHNOLOGY ENGINEERING Co Ltd filed Critical SHANGHAI JUNSHAN SURFACE TECHNOLOGY ENGINEERING Co Ltd
Priority to CNA2008100332497A priority Critical patent/CN101240408A/en
Publication of CN101240408A publication Critical patent/CN101240408A/en
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Abstract

The invention relates to a high-temperature furnace roller for steel mill cold-rolled steel sheet continuous annealing line, continuous hot galvanizing line and silicon steel production line, especially to a JSSTDG-04-01 furnace roller and manufacturing method thereof. The product is composed of furnace roller base made of heat-resisting cast steel and detonation-sprayed metal-ceramic oxide coating on the surface of the furnace roller; the chemical composition of the ceramic in the coating is Al2O3, whose content is 10% to 30%; the content of the high-temperature alloy in the coating is 70% to 90%. The manufacturing steps include: cleaning the roller surface, preheating, sandblasting, spraying, polish-grinding, heat processing, dynamic balancing, testing and packaging. The high-temperature strength, accumulated-burl-resistant property and wear-resistant property of the product are tested to be superior.

Description

Furnace roller and manufacture method thereof
Technical field
The present invention relates to be applied to high temperature section furnace roller, particularly furnace roller and manufacture method thereof in cold-rolled steel sheet continuous annealing line in the steel mill, continuous hot galvanizing line and the silicon steel production line.
Background technology
At present, the following several Technologies commonly used of furnace roller spraying at home and abroad:
Adopt plasma spraying method to prepare oxide ceramic coating, for example Al 2O 3, Al 2O 3-TiO 2, ZrO 2-Y 2O 3Coating etc., be characterized in the coating high temperature resistance, corrosion-resistant, abrasion resistance properties good, its shortcoming is coating void content higher (〉=3%); Coating and substrate combinating strength lower (20-50Mpa); The coating resistance to heat shocks can be relatively poor, thereby relatively poor as steel mill's furnace roller coating practicality.
Adopt supersonic spray coating NiCr-Cr 3C 2Or the WC/Co powder, though this type coating bonding strength height (〉=70MPa), coating void content low (≤1%), resistance to elevated temperatures is relatively poor, wherein NiCr-Cr 2C 3Coating maximum limit use temperature is 850 ℃, and the WC/Co coating can only be suitable for using below 540 ℃.
Summary of the invention
The object of the present invention is to provide furnace roller and manufacture method thereof, mainly solve above-mentioned existing in prior technology technical problem, the hot strength of this product, anti-buildup performance and abrasion resistance properties all are at the top of one's class.
For addressing the above problem, the present invention is achieved in that
A kind of furnace roller, it is made of the metal-ceramic oxide coating on furnace roller matrix and furnace roller surface; It is characterized in that: this furnace roller basic material is a Heat resisting cast steel; The metal-ceramic oxide coating of this furnace roller surface burst spraying; The chemical ingredients of pottery is Al in the coating 2O 3, content is 10～30%wt; The content of superalloy is 70～90%wt in the coating, and the chemical ingredients of superalloy is:
Composition Cr Ta Al Y Si C Co
Content 18～30 6～18 4～12 0.2～2.0 0.1～1.8 0.3～4.0 Surplus
Described furnace roller is characterized in that: this furnace roller basic material is ZG40Cr25Ni20Si or ZG25Cr18Ni9Si or SCH13 or SCH12 or SCH22, and roll surface size Φ is 150～1600 * 1000～2400mm.
A kind of manufacture method of furnace roller is used to make aforesaid furnace roller, it is characterized in that it comprises the steps:
A cleans roll surface;
The B preheating;
The C sandblast;
The D spraying;
The E rubbing down;
F thermal treatment;
The G transient equilibrium;
The H check;
The I packing.
The manufacture method of described furnace roller is characterized in that: adopt artificial or mechanical system among the described step B, with flame gun roll body is carried out even heating, preheating temperature is 60～150 ℃.
The manufacture method of described furnace roller is characterized in that: adopt 14～60 order emergies among the described step C, roughness Ra4 after the sandblast～13 μ m; Adopt jet absorption type or pressure type sandblast system, carry out sandblasting by mechanical hand-held sand-blasting gun pair roller surface in the sand blasting room.
The manufacture method of described furnace roller is characterized in that: adopt detonation flame spraying among the described step D, parameter is as follows:
The roll body temperature 30～180℃ Oxygen flow, pressure 0.8～1.5m3/h，0.2～0.5MPa
Workpiece rotational frequency 0.3～8rpm Acetylene flow, pressure 0.7～1.5m3/h，0.07～0.12
The spray gun displacement 6～18mm/ changes Powder airshed, pressure 0.3～0.6m3/h，0.1～0.20
The blast frequency 4～10/second Clear thorax atmospheric pressure ≤0.5MPa
Spray distance 150～200mm Powder sending quantity 3～20g/min
The manufacture method of described furnace roller is characterized in that: in the described step F, thermal treatment is carried out with Electric heating in box burner hearth.
The manufacture method of described furnace roller, it is characterized in that: these heat treated concrete steps are, roll body is put into box electrothermal oven, heat up by≤50 ℃/hour heat-up rates, reach 850 ℃～950 ℃ of setting when fire box temperature after, constant temperature keeps closing after 3～8 hours the power supply of box electrothermal oven, allows roll body cool to room temperature with the furnace.
Embodiment
A kind of furnace roller is provided among the present invention, and this furnace roller material is a Heat resisting cast steel, and basic material is ZG40Cr25Ni20Si or ZG25Cr18Ni9Si or SCH13 (JIS) or SCH12 (JIS) or SCH22 (JIS), roll surface size Φ 150～1600 * 1000～2400mm.
This furnace roller surface adopts the detonation flame spraying method to prepare the metal-ceramic coating, and the chemical ingredients of superalloy is as shown in table 1 in the coating, and its content is 70～90%wt, and the chemical ingredients of pottery is in the coating: Al 2O 3, content is 10～30%wt.
The chemical ingredients of table 3 superalloy
Composition Cr Ta Al Y Si C Co
Content 18～30 6～18 4～12 0.2～2.0 0.1～1.8 0.3～4.0 Surplus
The manufacture method of this furnace roller comprises the steps:
A cleans roll surface;
Artificial or mechanical system are adopted in the B preheating, with flame gun roll body are carried out even heating;
Jet absorption type or pressure type sandblast system are adopted in the C sandblast, carry out sandblasting by mechanical hand-held sand-blasting gun pair roller surface in the sand blasting room;
The D spraying adopts detonation flame spraying equipment to spray; Di Niebai-3 type detonation flame spraying the system that this detonation flame spraying equipment can adopt Beijing Rui Peier skill trade limited liability company to provide;
The E rubbing down adopts rubbing down technology, guarantees that the roll body roughness meets Design Requirement Drawing or customer requirement;
F thermal treatment, thermal treatment are carried out with Electric heating in box burner hearth; Concrete steps can be: roll body is put into box electrothermal oven, heat up by≤50 ℃/hour heat-up rates, reach the temperature (850 ℃～950 ℃) of setting when fire box temperature after, constant temperature keeps closing after 3～8 hours the power supply of box electrothermal oven, allows roll body cool to room temperature with the furnace.
The G transient equilibrium is measured and is compensated the roll body dynamic equilibrium state by Design Requirement Drawing on running balance indicating machine, to meet Design Requirement Drawing or customer requirement;
The H check;
The I packing.
Preheating temperature among the step B: 60～150 ℃;
Sandblast among the step C: adopt 14～60 order emergies, roughness Ra4 after the sandblast～13 μ m, the effect of sandblasting is:
(1) zone of oxidation, the old coating of removing matrix surface, the fresh metal level of exposure matrix, the activity of raising matrix;
(2) bonded area of raising coating and matrix increases coating and high base strength;
(3) make matrix surface be in compressive stress state, and reduced the stress in the coating.
Spraying among the step D: adopt detonation flame spraying, parameter is as shown in table 4:
Table 4 detonation flame spraying processing parameter
The roll body temperature 30～180℃ Oxygen flow, pressure 0.8～1.5m 3/h，0.2～0.5MPa
Workpiece rotational frequency 0.3～12rpm Acetylene flow, pressure 0.7～1.5m 3/h，0.07～0.12MPa
The spray gun displacement 6～18mm/ changes Powder airshed, pressure 0.3～0.6m 3/h，0.1～0.20MPa
The blast frequency 4～10/second Clear thorax atmospheric pressure ≤0.5MPa
Spray distance 150～200mm Powder sending quantity 3～20g/min
Below be to adopt the product of the inventive method manufacturing and the contrast situation of prior art:
The method aspect Coating porosity Coating hardness Anchoring strength of coating Resistance to heat shocks Anti-buildup performance
The present invention ≤1％ Hv700～1000 ≥70MPa Excellent Excellent
Plasma spraying method ≥3％ Hv650～1000 30～60MPa In Very
The material aspect Use temperature Coating hardness Hot strength Anti-buildup performance Abrasion resistance properties
Material of the present invention 850～1100℃ Hv700～1000 Excellent Excellent Excellent
NiCr-Cr 3C 2 ～850℃ Hv600～1100 Very In Excellent
SiO 2-ZrO 2 ～850℃ Hv600～700 Difference Excellent Difference
MCrAlY+SiO 2/ZrO 2 ～950℃ Hv500～700 In Very In
Being preferred embodiment of the present invention only in sum, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of the present patent application claim change and modification, all should be technology category of the present invention.

Claims (8)

1. JSSTDG-04-01 furnace roller, it is made of the metal-ceramic oxide coating on furnace roller matrix and furnace roller surface; It is characterized in that: this furnace roller basic material is a Heat resisting cast steel; The metal-ceramic oxide coating of this furnace roller surface burst spraying; The chemical ingredients of pottery is Al in the coating 2O 3, content is 10～30%wt; The content of superalloy is 70～90%wt in the coating, and the chemical ingredients of superalloy is:
Composition Cr Ta Al Y Si C Co Content 18～30 6～18 4～12 0.2～2.0 0.1～1.8 0.3～4.0 Surplus
2. JSSTDG-04-01 furnace roller according to claim 1 is characterized in that: this furnace roller basic material is ZG40Cr25Ni20Si or ZG25Cr18Ni9Si or SCH13 or SCH12 or SCH22, and roll surface size Φ is 150～1600 * 1000～2400mm.
3. the manufacture method of a JSSTDG-04-01 furnace roller is used to make furnace roller as claimed in claim 1 or 2, it is characterized in that it comprises the steps:
A cleans roll surface;
The B preheating;
The C sandblast;
The D spraying;
The E rubbing down;
F thermal treatment;
The G transient equilibrium;
The H check;
The I packing.
4. the manufacture method of JSSTDG-04-01 furnace roller according to claim 3 is characterized in that: adopt artificial or mechanical system among the described step B, with flame gun roll body is carried out even heating, preheating temperature is 60～150 ℃.
5. the manufacture method of JSSTDG-04-01 furnace roller according to claim 3 is characterized in that: adopt 14～60 order emergies among the described step C, roughness Ra4 after the sandblast～13 μ m; Adopt jet absorption type or pressure type sandblast system, carry out sandblasting by mechanical hand-held sand-blasting gun pair roller surface in the sand blasting room.
6. the manufacture method of JSSTDG-04-01 furnace roller according to claim 3 is characterized in that: adopt detonation flame spraying among the described step D, parameter is as follows:
The roll body temperature 30～180℃ Oxygen flow, pressure 0.8～1.5m3/h，0.2～0.5MPa Workpiece rotational frequency 0.3～8rpm Acetylene flow, pressure 0.7～1.5m3/h，0.07～0.12 The spray gun displacement 6～18mm/ changes Powder airshed, pressure 0.3～0.6m3/h，0.1～0.20 The blast frequency 4～10/second Clear thorax atmospheric pressure ≤0.5MPa Spray distance 150～200mm Powder sending quantity 3～20g/min
7. the manufacture method of JSSTDG-04-01 furnace roller according to claim 3 is characterized in that: in the described step F, thermal treatment is carried out with Electric heating in box burner hearth.
8. the manufacture method of JSSTDG-04-01 furnace roller according to claim 7, it is characterized in that: these heat treated concrete steps are, roll body is put into box electrothermal oven, heat up by≤50 ℃/hour heat-up rates, reach 850 ℃～950 ℃ of setting when fire box temperature after, constant temperature keeps closing after 3～8 hours the power supply of box electrothermal oven, allows roll body cool to room temperature with the furnace.
CNA2008100332497A 2008-01-30 2008-01-30 Furnace roller and manufacturing method thereof Pending CN101240408A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2008100332497A CN101240408A (en) 2008-01-30 2008-01-30 Furnace roller and manufacturing method thereof

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Application Number Priority Date Filing Date Title
CNA2008100332497A CN101240408A (en) 2008-01-30 2008-01-30 Furnace roller and manufacturing method thereof

Publications (1)

Publication Number Publication Date
CN101240408A true CN101240408A (en) 2008-08-13

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CN (1) CN101240408A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101966766A (en) * 2010-08-19 2011-02-09 王建 Multi-layer metal cold-pressing compounding technology and product thereof
CN101992244A (en) * 2009-08-13 2011-03-30 深圳富泰宏精密工业有限公司 Metallic high-temperature forming die and manufacturing method thereof
CN102388287A (en) * 2009-03-17 2012-03-21 布里科蒙公司 Furnace roller assembly
CN103170803A (en) * 2013-03-07 2013-06-26 杭州新纪元安全产品有限公司 Method of manufacturing rolling wheels of four-roller centrifugal machine on rock wool production line
CN103381542A (en) * 2013-07-04 2013-11-06 江苏标新久保田工业有限公司 Processing method of carbon-coated roller core
CN103572193A (en) * 2013-06-08 2014-02-12 北京君山表面技术工程有限公司 Method for preparing furnace roller coating of automobile plate production line by using detonation spraying process
CN104046979A (en) * 2014-06-21 2014-09-17 上海君山表面技术工程股份有限公司 Spraying method of anti-nodular composite coating
CN105951029A (en) * 2016-06-20 2016-09-21 新昌县七星街道明盛模具厂 Production process of protecting coating of explosion spraying high-temperature furnace roller
CN109055882A (en) * 2018-07-27 2018-12-21 芜湖通潮精密机械股份有限公司 A kind of blasting craft suitable for plasma spray coating
CN109689595A (en) * 2016-07-18 2019-04-26 圣戈班工业陶瓷罗登塔尔有限责任公司 On the surface with the roller for roll-type furnace of at least one coating
CN112404896A (en) * 2020-10-31 2021-02-26 江苏华洋新思路能源装备股份有限公司 Stabilizing roller and manufacturing method thereof
CN113564587A (en) * 2021-08-18 2021-10-29 沈阳大陆激光先进制造技术创新有限公司 High-temperature oxidation-resistant and press-in nodule-resistant functional layer alloy material for laser composite manufacturing furnace roller and process method

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102388287A (en) * 2009-03-17 2012-03-21 布里科蒙公司 Furnace roller assembly
CN102388287B (en) * 2009-03-17 2013-12-25 安德里兹布里科蒙公司 Furnace roller assembly
CN101992244A (en) * 2009-08-13 2011-03-30 深圳富泰宏精密工业有限公司 Metallic high-temperature forming die and manufacturing method thereof
CN101966766A (en) * 2010-08-19 2011-02-09 王建 Multi-layer metal cold-pressing compounding technology and product thereof
CN103170803B (en) * 2013-03-07 2016-01-27 杭州新纪元安全产品有限公司 The preparation method of rock wool production line four roller centrifuge running roller
CN103170803A (en) * 2013-03-07 2013-06-26 杭州新纪元安全产品有限公司 Method of manufacturing rolling wheels of four-roller centrifugal machine on rock wool production line
CN103572193A (en) * 2013-06-08 2014-02-12 北京君山表面技术工程有限公司 Method for preparing furnace roller coating of automobile plate production line by using detonation spraying process
CN103572193B (en) * 2013-06-08 2016-03-16 北京君山表面技术工程有限公司 A kind of method using detonation flame spraying technique to make auto sheet production line furnace roller coating
CN103381542A (en) * 2013-07-04 2013-11-06 江苏标新久保田工业有限公司 Processing method of carbon-coated roller core
CN104046979A (en) * 2014-06-21 2014-09-17 上海君山表面技术工程股份有限公司 Spraying method of anti-nodular composite coating
CN104046979B (en) * 2014-06-21 2016-06-29 上海君山表面技术工程股份有限公司 The spraying method of resistive connection tumor composite coating
CN105951029A (en) * 2016-06-20 2016-09-21 新昌县七星街道明盛模具厂 Production process of protecting coating of explosion spraying high-temperature furnace roller
CN109689595A (en) * 2016-07-18 2019-04-26 圣戈班工业陶瓷罗登塔尔有限责任公司 On the surface with the roller for roll-type furnace of at least one coating
CN109689595B (en) * 2016-07-18 2021-12-07 圣戈班工业陶瓷罗登塔尔有限责任公司 Roller for a roller furnace having at least one coating on the surface
CN109055882A (en) * 2018-07-27 2018-12-21 芜湖通潮精密机械股份有限公司 A kind of blasting craft suitable for plasma spray coating
CN112404896A (en) * 2020-10-31 2021-02-26 江苏华洋新思路能源装备股份有限公司 Stabilizing roller and manufacturing method thereof
CN112404896B (en) * 2020-10-31 2021-10-29 江苏华洋新思路能源装备股份有限公司 Method for manufacturing stabilizing roller
CN113564587A (en) * 2021-08-18 2021-10-29 沈阳大陆激光先进制造技术创新有限公司 High-temperature oxidation-resistant and press-in nodule-resistant functional layer alloy material for laser composite manufacturing furnace roller and process method

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Open date: 20080813