CN106222392A - A kind of integral quenching method of forging steel cold roll - Google Patents
A kind of integral quenching method of forging steel cold roll Download PDFInfo
- Publication number
- CN106222392A CN106222392A CN201610757904.8A CN201610757904A CN106222392A CN 106222392 A CN106222392 A CN 106222392A CN 201610757904 A CN201610757904 A CN 201610757904A CN 106222392 A CN106222392 A CN 106222392A
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- roll
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- incubated
- cold
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/38—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for roll bodies
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a kind of integral quenching method of forging steel cold roll, comprise the following steps: by described forging steel cold roll shove charge, be heated to 350 ~ 450 DEG C, be incubated 4 ~ 6 hours；Continue to be heated up to 650 ~ 750 DEG C, be incubated 8 ~ 12 hours；Continue to be heated up to 980 ~ 1090 DEG C, be incubated 16 ~ 24 hours；Adjusting quenching apparatus revolution 35 ~ 50r/min, quench the water yield 250 ~ 400m3/ hour；Roll hangs out, and is positioned on quenching apparatus, and it is cold that the cold roll body of roll carries out spray hardening, and roll neck carries out natural air cooling, and when roller temperature is less than 300 DEG C, quenching completes；It is tempered in cold roll is hung in stove, is heated to 200 ~ 250 DEG C, is incubated 12 ~ 24 hours, continues to be heated up to 300 ~ 570 DEG C, be incubated 36 ~ 48 hours；Tempering detects related data warehouse-in after terminating.The present invention carries out heat treatment simultaneously according to roll diverse location different modes, and the adequacy of integral heat insulation prevents the risk that roll ftractures, also improves the efficiency of processing simultaneously.
Description
Technical field
The invention belongs to iron and steel forging field, be specifically related to a kind of integral quenching method of forging steel cold roll.
Background technology
The raising that cold roll technology requires, the raising that the timeliness of roll is required by user, the high alloy such as Cr6, Cr8, Gao Xing
The new material of energy is the most expanded.And this kind of roll is easy to during common impewdance matching cracking, therefore prevent this
Class roll ftractures in impewdance matching process kind, it has also become urgent demand.
Summary of the invention
Goal of the invention: present invention aims to the deficiencies in the prior art, it is provided that the entirety of a kind of forging steel cold roll
Process for quenching.
Technical scheme: in order to reach foregoing invention purpose, the present invention is specifically achieved like this: a kind of forging steel cold roll
Integral quenching method, comprise the following steps:
(1) by described forging steel cold roll shove charge, it is heated to 350 ~ 450 DEG C, is incubated 4 ~ 6 hours；Continue to be heated up to 650 ~ 750 DEG C,
It is incubated 8 ~ 12 hours；Continue to be heated up to 980 ~ 1090 DEG C, be incubated 16 ~ 24 hours；
(2) adjusting quenching apparatus revolution 35 ~ 50r/min, quench the water yield 250 ~ 400m3/ hour；
(3) roll hangs out, and is positioned on quenching apparatus, and it is cold that the cold roll body of roll carries out spray hardening, and roll neck carries out natural air cooling, to be rolled
When roll temperature is less than 300 DEG C, quenching completes；
(4) it is tempered in cold roll is hung in stove, is heated to 200 ~ 250 DEG C, is incubated 12 ~ 24 hours, continues to be heated up to 300 ~ 570
DEG C, it is incubated 36 ~ 48 hours；
(5) related data warehouse-in is detected after tempering terminates.
Beneficial effect: the present invention carries out simultaneously heat treatment according to roll diverse location different modes, integral heat insulation abundant
Property prevents the risk that roll ftractures, and also improves the efficiency of processing simultaneously.
Detailed description of the invention
Embodiment 1:
By described forging steel cold roll shove charge, it is heated to 350 DEG C, is incubated 6 hours；Continue to be heated up to 650 DEG C, be incubated 12 hours；Continue
Continue and be heated up to 980 DEG C, be incubated 16 hours；Adjusting quenching apparatus revolution 35r/min, quench water yield 250m3/ hour；Roll hangs out,
Being positioned on quenching apparatus, it is cold that the cold roll body of roll carries out spray hardening, and roll neck carries out natural air cooling, treats that roller temperature is less than 300 DEG C
Time, quenching completes；It is tempered in cold roll is hung in stove, is heated to 200 DEG C, is incubated 24 hours, continues to be heated up to 300 DEG C, insulation
48 hours；Tempering detects related data warehouse-in after terminating.
Embodiment 2:
By described forging steel cold roll shove charge, it is heated to 450 DEG C, is incubated 4 hours；Continue to be heated up to 750 DEG C, be incubated 8 hours；Continue
It is heated up to 1090 DEG C, is incubated 16 hours；Adjusting quenching apparatus revolution 40r/min, quench water yield 300m3/ hour；Roll hangs out,
Being positioned on quenching apparatus, it is cold that the cold roll body of roll carries out spray hardening, and roll neck carries out natural air cooling, treats that roller temperature is less than 300 DEG C
Time, quenching completes；It is tempered in cold roll is hung in stove, is heated to 250 DEG C, is incubated 12 hours, continues to be heated up to 570 DEG C, insulation
48 hours；Tempering detects related data warehouse-in after terminating.
Embodiment 3:
By described forging steel cold roll shove charge, it is heated to 400 DEG C, is incubated 5 hours；Continue to be heated up to 700 DEG C, be incubated 10 hours；Continue
Continue and be heated up to 1050 DEG C, be incubated 20 hours；Adjusting quenching apparatus revolution 50r/min, quench water yield 400m3/ hour；Roll hangs
Going out, be positioned on quenching apparatus, it is cold that the cold roll body of roll carries out spray hardening, and roll neck carries out natural air cooling, treats that roller temperature is less than 300
DEG C time, quenching completes；It is tempered in cold roll is hung in stove, is heated to 220 DEG C, is incubated 18 hours, continues to be heated up to 450 DEG C, protect
Temperature 42 hours；Tempering detects related data warehouse-in after terminating.
Claims (1)
1. an integral quenching method for forging steel cold roll, its feature is being, is comprising the following steps:
(1) by described forging steel cold roll shove charge, it is heated to 350 ~ 450 DEG C, is incubated 4 ~ 6 hours；Continue to be heated up to 650 ~ 750 DEG C,
It is incubated 8 ~ 12 hours；Continue to be heated up to 980 ~ 1090 DEG C, be incubated 16 ~ 24 hours；
(2) adjusting quenching apparatus revolution 35 ~ 50r/min, quench the water yield 250 ~ 400m3/ hour；
(3) roll hangs out, and is positioned on quenching apparatus, and it is cold that the cold roll body of roll carries out spray hardening, and roll neck carries out natural air cooling, to be rolled
When roll temperature is less than 300 DEG C, quenching completes；
(4) it is tempered in cold roll is hung in stove, is heated to 200 ~ 250 DEG C, is incubated 12 ~ 24 hours, continues to be heated up to 300 ~ 570
DEG C, it is incubated 36 ~ 48 hours；
(5) related data warehouse-in is detected after tempering terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610757904.8A CN106222392A (en) | 2016-08-30 | 2016-08-30 | A kind of integral quenching method of forging steel cold roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610757904.8A CN106222392A (en) | 2016-08-30 | 2016-08-30 | A kind of integral quenching method of forging steel cold roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106222392A true CN106222392A (en) | 2016-12-14 |
Family
ID=58071562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610757904.8A Pending CN106222392A (en) | 2016-08-30 | 2016-08-30 | A kind of integral quenching method of forging steel cold roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106222392A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107177725A (en) * | 2017-06-29 | 2017-09-19 | 太仓市钧胜轧辊有限公司 | A kind of modifier treatment technique for roll |
| CN107937673A (en) * | 2017-12-29 | 2018-04-20 | 江苏共昌轧辊股份有限公司 | A kind of heat treatment method of New Type of Cold Roller |
| CN107988479A (en) * | 2017-12-29 | 2018-05-04 | 中钢集团邢台机械轧辊有限公司 | A kind of quasi- differential temperature heat treatment method of large scale roll |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5741319A (en) * | 1980-08-26 | 1982-03-08 | Kubota Ltd | Production of roll |
| CN1211626A (en) * | 1997-09-18 | 1999-03-24 | 杨平生 | Quench hardening technique and device for cold-rolling roll |
| CN102634733A (en) * | 2012-04-06 | 2012-08-15 | 北京工业大学 | Composite roll having uniform roll surface hardness and made of high-speed steel containing boron and method for manufacturing composite roll |
| CN103572034A (en) * | 2012-11-22 | 2014-02-12 | 宝钢轧辊科技有限责任公司 | Supporting roller preheat treatment method |
| CN104032103A (en) * | 2014-05-12 | 2014-09-10 | 宜兴市永昌轧辊有限公司 | Heat treatment method for superdeep-hardening-layer cold roll and quenching equipment employed during heat treatment |
| CN104087742A (en) * | 2014-06-24 | 2014-10-08 | 河北钢铁股份有限公司唐山分公司 | Differential temperature heat treatment method for centrifugal compound high-chromium steel roller |
| CN105369031A (en) * | 2015-12-03 | 2016-03-02 | 中钢集团邢台机械轧辊有限公司 | Induction quenching method for eliminating quenching ring cracks of roll bodies of supporting rolls |
-
2016
- 2016-08-30 CN CN201610757904.8A patent/CN106222392A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5741319A (en) * | 1980-08-26 | 1982-03-08 | Kubota Ltd | Production of roll |
| CN1211626A (en) * | 1997-09-18 | 1999-03-24 | 杨平生 | Quench hardening technique and device for cold-rolling roll |
| CN102634733A (en) * | 2012-04-06 | 2012-08-15 | 北京工业大学 | Composite roll having uniform roll surface hardness and made of high-speed steel containing boron and method for manufacturing composite roll |
| CN103572034A (en) * | 2012-11-22 | 2014-02-12 | 宝钢轧辊科技有限责任公司 | Supporting roller preheat treatment method |
| CN104032103A (en) * | 2014-05-12 | 2014-09-10 | 宜兴市永昌轧辊有限公司 | Heat treatment method for superdeep-hardening-layer cold roll and quenching equipment employed during heat treatment |
| CN104087742A (en) * | 2014-06-24 | 2014-10-08 | 河北钢铁股份有限公司唐山分公司 | Differential temperature heat treatment method for centrifugal compound high-chromium steel roller |
| CN105369031A (en) * | 2015-12-03 | 2016-03-02 | 中钢集团邢台机械轧辊有限公司 | Induction quenching method for eliminating quenching ring cracks of roll bodies of supporting rolls |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107177725A (en) * | 2017-06-29 | 2017-09-19 | 太仓市钧胜轧辊有限公司 | A kind of modifier treatment technique for roll |
| CN107937673A (en) * | 2017-12-29 | 2018-04-20 | 江苏共昌轧辊股份有限公司 | A kind of heat treatment method of New Type of Cold Roller |
| CN107988479A (en) * | 2017-12-29 | 2018-05-04 | 中钢集团邢台机械轧辊有限公司 | A kind of quasi- differential temperature heat treatment method of large scale roll |
| CN107988479B (en) * | 2017-12-29 | 2020-07-17 | 中钢集团邢台机械轧辊有限公司 | Quasi-differential temperature heat treatment method for large-size roller |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161214 |
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| WD01 | Invention patent application deemed withdrawn after publication |