CN104259199B - Stainless steel wire rod rolling mill practice - Google Patents
Stainless steel wire rod rolling mill practice Download PDFInfo
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- CN104259199B CN104259199B CN201410382965.1A CN201410382965A CN104259199B CN 104259199 B CN104259199 B CN 104259199B CN 201410382965 A CN201410382965 A CN 201410382965A CN 104259199 B CN104259199 B CN 104259199B
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- 238000005096 rolling process Methods 0.000 title claims abstract description 54
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 20
- 238000004806 packaging method and process Methods 0.000 claims abstract description 8
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 238000005755 formation reaction Methods 0.000 claims abstract description 4
- 239000000047 product Substances 0.000 claims abstract description 4
- 239000011265 semifinished product Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000001788 irregular Effects 0.000 claims description 6
- 238000010008 shearing Methods 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000005457 optimization Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
Abstract
The invention discloses a kind of stainless steel wire rod rolling mill practice, comprise following processing step, blank prepares, heat, groove rolling, pass through roughing, in roll and roll in two, be rolled from coarse to fine for product, roughing comprises 5 passes, square billet is carried out bight processing by the first passage, blank after the processing of bight is processed into ellipse by the second passage, oval blank is processed into circle by the 3rd passage, circular blank is processed into ellipse by four-pass, oval blank is processed into circle by the 5th passage, in roll and comprise 9 passes, roll in two and comprise 5 passes, all being carried out by blank converting final Formation cross-section between ellipse and circle is circular semi-finished product, pre-finish rolling, finish rolling, weave silk, control cold, packaging, during groove rolling, square billet is after the bight processing of first time passage, transit directly to ellipse-circular hole, deformation extent is comparatively even, defect reduces, can rolling stock many sizes, shut out part expanded range.
Description
Technical field
The present invention relates to a kind of stainless steel wire rod rolling mill practice.
Background technology
Current stainless steel wire rod rolling mill practice comprises blank preparation, heating, groove rolling, pre-finish rolling, finish rolling, weaves silk, controls cold, packaging, and rectangle taked by groove rolling process mesothyrid, square billet finally need reroll and make circle after the processing of multi-pass bight between square and rectangle after multi-pass converts, the distortion uniformity of finally weaving silk is not high, there is many defects, can rolling stock single, shut out part narrow range.
Summary of the invention
The object of the invention is to overcome the defect existed in prior art, provide a kind of stainless steel wire rod rolling mill practice, wire rod deformation extent is comparatively even, and defect reduces, can rolling stock many sizes, shuts out part expanded range.
For achieving the above object, technical scheme of the present invention there is provided a kind of stainless steel wire rod rolling mill practice, comprises following processing step:
S1: blank prepares, and by square steel billets, stacks by level, in groined type, checks billet surface quality simultaneously, by clean for the polishing of oxide layer thicker part;
S2: heat, hung in heating furnace by steel billet and heat, preheating section temperature is less than 800 DEG C, and high temperature section temperature is 830-1280 DEG C, and the heat time is 120-180min;
S3: groove rolling, pass through roughing, in roll and roll in two, be rolled from coarse to fine for product, roughing comprises 5 passes, square billet is carried out bight processing by the first passage, blank after the processing of bight is processed into ellipse by the second passage, oval blank is processed into circle by the 3rd passage, circular blank is processed into ellipse by four-pass, oval blank is processed into circle by the 5th passage, in roll and comprise 9 passes, roll in two and comprise 5 passes, all being carried out by blank converting final Formation cross-section between ellipse and circle is circular semi-finished product, the lengthening coefficient controlling every time in the operation of rolling is 1.1 ~ 1.4, every time spread coefficient is 0.3 ~ 0.4, in the operation of rolling, the speed of service of steel billet is by accelerating slowly, its velocity interval is 15m/s ~ 65m/s,
S4: pre-finish rolling: adopt flying shear to cut off the irregular place of Head and Tail Shape of steel bar described in step S3, then the steel bar after shearing is carried out pre-finish rolling;
S5: finish rolling: employing flying shear cuts off the irregular place of steel bar Head and Tail Shape in step S4 after pre-finish rolling, then the steel bar after shearing is carried out finish rolling and obtains wire rod;
S6: weave silk: adopt Laying head to change wire rod described in step S5 into ring shape, obtain wire-rod roll, laying temperature is 800 ~ 1100 DEG C;
S7: control cold: the wire rod in step S6 is cooled by air-cooled mode, cooling wind speed is 0.32 ~ 0.62m/s;
S8: packaging, carries out collection volume-P/F line transport cooling-heat inspection-haircut tail bundling-packaging warehouse-in successively by the wire rod in step S7.
As preferably, in step S2, the stainless steel grade of 200 and 300 series, preheating section temperature is less than 900 DEG C, and high temperature section temperature is 1130-1280 DEG C; The stainless steel grade of 400 series, preheating section temperature is less than 800 DEG C, and high temperature section temperature is 830-920 DEG C.
As preferably, in step S4 and S5, shut out by horizontal roll, flying shear sheared length is 200 ~ 400mm, is shut out by longitudinal roll, and flying shear sheared length is 400 ~ 650mm.
As preferably, also have de-scaling step between step S2 and S3, adopt water under high pressure to carry out de-scaling process to steel billet, hydraulic pressure is not less than 18MPa.
As preferably, also have water-cooling step between step S4 and S5, adopt Φ 40 water cooling tube to carry out water-cooled, when need ensure that rolled piece enters finish rolling, temperature is greater than 980 DEG C.
As preferably, in step S3 roughing and in roll between also there is the step that induction furnace heats, the heat time is 60-80min, and power is 2-55HZ, blank temperature >=990 DEG C after heating.
Advantage of the present invention and beneficial effect are: during groove rolling, and square billet is after the bight processing of first time passage, and transit directly to ellipse-circular hole, deformation extent is comparatively even, and defect reduces, can rolling stock many sizes, shut out part expanded range.
Accompanying drawing illustrates:
Fig. 1 is each passage pass of roughing;
Fig. 2 rolls each passage pass in being;
Fig. 3 rolls each passage pass in two.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
A kind of stainless steel wire rod rolling mill practice, comprises following processing step:
S1: blank prepares, and by square steel billets, stacks by level, in groined type, checks billet surface quality simultaneously, by clean for the polishing of oxide layer thicker part;
S2: heat, hung in heating furnace by steel billet and heat, preheating section temperature is less than 800 DEG C, and high temperature section temperature is 830-1280 DEG C, and the heat time is 120-180min;
S3: groove rolling, pass through roughing, in roll and roll in two, be rolled from coarse to fine for product, roughing comprises 5 passes, square billet is carried out bight processing by the first passage, blank after the processing of bight is processed into ellipse by the second passage, oval blank is processed into circle by the 3rd passage, circular blank is processed into ellipse by four-pass, oval blank is processed into circle by the 5th passage, in roll and comprise 9 passes, roll in two and comprise 5 passes, all being carried out by blank converting final Formation cross-section between ellipse and circle is circular semi-finished product, , the lengthening coefficient controlling every time in the operation of rolling is 1.1 ~ 1.4, every time spread coefficient is 0.3 ~ 0.4, in the operation of rolling, the speed of service of steel billet is by accelerating slowly, its velocity interval is 15m/s ~ 65m/s,
S4: pre-finish rolling: adopt flying shear to cut off the irregular place of Head and Tail Shape of steel bar described in step S3, then the steel bar after shearing is carried out pre-finish rolling;
S5: finish rolling: employing flying shear cuts off the irregular place of steel bar Head and Tail Shape in step S4 after pre-finish rolling, then the steel bar after shearing is carried out finish rolling and obtains wire rod;
S6: weave silk: adopt Laying head to change wire rod described in step S5 into ring shape, obtain wire-rod roll, laying temperature is 800 ~ 1100 DEG C;
S7: control cold: the wire rod in step S6 is cooled by air-cooled mode, cooling wind speed is 0.32 ~ 0.62m/s;
S8: packaging, carries out collection volume-P/F line transport cooling-heat inspection-haircut tail bundling-packaging warehouse-in successively by the wire rod in step S7.
The embodiment of optimization of the present invention is, in step S2, and the stainless steel grade of 200 and 300 series, preheating section temperature is less than 900 DEG C, and high temperature section temperature is 1130-1280 DEG C; The stainless steel grade of 400 series, preheating section temperature is less than 800 DEG C, and high temperature section temperature is 830-920 DEG C.
The embodiment of optimization of the present invention is, in step S4 and S5, is shut out by horizontal roll, and flying shear sheared length is 200 ~ 400mm, is shut out by longitudinal roll, and flying shear sheared length is 400 ~ 650mm.
The embodiment of optimization of the present invention is also have de-scaling step between step S2 and S3, and adopt water under high pressure to carry out de-scaling process to steel billet, hydraulic pressure is not less than 18MPa, and the steel grades such as S30300, S30320 are without the need to de-scaling.
The embodiment of optimization of the present invention is also have water-cooling step between step S4 and S5, adopts Φ 40 water cooling tube to carry out water-cooled, and when need ensure that rolled piece enters finish rolling, temperature is greater than 980 DEG C.
The embodiment of optimization of the present invention is, in step S3 roughing and in roll between also there is the step that induction furnace heats, the heat time is 60-80min, and power is 2-55HZ, blank temperature >=990 DEG C after heating.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a stainless steel wire rod rolling mill practice, is characterized in that: comprise following processing step:
S1: blank prepares, and by square steel billets, stacks by level, in groined type, checks billet surface quality simultaneously, by clean for the polishing of oxide layer thicker part;
S2: heat, hung in heating furnace by steel billet and heat, preheating section temperature is less than 800 DEG C, and high temperature section temperature is 830-1280 DEG C, and the heat time is 120-180min;
S3: groove rolling, pass through roughing, in roll and roll in two, be rolled from coarse to fine for product, roughing comprises 5 passes, square billet is carried out bight processing by the first passage, blank after the processing of bight is processed into ellipse by the second passage, oval blank is processed into circle by the 3rd passage, circular blank is processed into ellipse by four-pass, oval blank is processed into circle by the 5th passage, in roll and comprise 9 passes, roll in two and comprise 5 passes, all being carried out by blank converting final Formation cross-section between ellipse and circle is circular semi-finished product, the lengthening coefficient controlling every time in the operation of rolling is 1.1 ~ 1.4, every time spread coefficient is 0.3 ~ 0.4, in the operation of rolling, the speed of service of steel billet is by accelerating slowly, its velocity interval is 15m/s ~ 65m/s,
S4: pre-finish rolling: adopt flying shear to cut off the irregular place of Head and Tail Shape of steel bar described in step S3, then the steel bar after shearing is carried out pre-finish rolling;
S5: finish rolling: employing flying shear cuts off the irregular place of steel bar Head and Tail Shape in step S4 after pre-finish rolling, then the steel bar after shearing is carried out finish rolling and obtains wire rod;
S6: weave silk: adopt Laying head to change wire rod described in step S5 into ring shape, obtain wire-rod roll, laying temperature is 800 ~ 1100 DEG C;
S7: control cold: the wire rod in step S6 is cooled by air-cooled mode, cooling wind speed is 0.32 ~ 0.62m/s;
S8: packaging, carries out collection volume-P/F line transport cooling-heat inspection-haircut tail bundling-packaging warehouse-in successively by the wire rod in step S7.
2. stainless steel wire rod rolling mill practice as claimed in claim 1, it is characterized in that: in step S2, the stainless steel grade of 200 and 300 series, preheating section temperature is less than 900 DEG C, and high temperature section temperature is 1130-1280 DEG C; The stainless steel grade of 400 series, preheating section temperature is less than 800 DEG C, and high temperature section temperature is 830-920 DEG C.
3. stainless steel wire rod rolling mill practice as claimed in claim 1, it is characterized in that: in step S4 and S5, shut out by horizontal roll, flying shear sheared length is 200 ~ 400mm, is shut out by longitudinal roll, and flying shear sheared length is 400 ~ 650mm.
4. stainless steel wire rod rolling mill practice as claimed in claim 1, is characterized in that: also have de-scaling step between step S2 and S3, and adopt water under high pressure to carry out de-scaling process to steel billet, hydraulic pressure is not less than 18MPa.
5. stainless steel wire rod rolling mill practice as claimed in claim 1, is characterized in that: also have water-cooling step between step S4 and S5, adopts Φ 40 water cooling tube to carry out water-cooled, and when need ensure that rolled piece enters finish rolling, temperature is greater than 980 DEG C.
6. stainless steel wire rod rolling mill practice as claimed in claim 1, is characterized in that: in step S3 roughing and in roll between also there is the step that induction furnace heat, the heat time is 60-80min, and power is 2-55HZ, and heating is blank temperature >=990 DEG C afterwards.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410382965.1A CN104259199B (en) | 2014-08-06 | 2014-08-06 | Stainless steel wire rod rolling mill practice |
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| CN201410382965.1A CN104259199B (en) | 2014-08-06 | 2014-08-06 | Stainless steel wire rod rolling mill practice |
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| CN104259199B true CN104259199B (en) | 2016-03-16 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106077084B (en) * | 2016-06-24 | 2018-07-31 | 江苏省沙钢钢铁研究院有限公司 | A kind of high speed wire rolling method of austenite stainless steel wire rod |
| CN106269857B (en) * | 2016-08-26 | 2019-03-05 | 无锡兴澄特种材料有限公司 | The production technology that carbon steel is coiled |
| CN106623417A (en) * | 2016-12-22 | 2017-05-10 | 常熟理工学院 | High speed wire rolling method for austenitic stainless steel wire rod for welding |
| CN107054715B (en) * | 2016-12-28 | 2019-10-18 | 东莞市科力钢铁线材有限公司 | The automatic unwrapping wire severing of wire-drawing equipment is packaged production technology |
| CN107385177B (en) * | 2017-06-06 | 2018-12-21 | 无锡兴澄特种材料有限公司 | Medium carbon steel skin decarburization controls hot rolling wire production technology |
| CN108971257B (en) * | 2017-09-01 | 2020-06-19 | 江苏贯森新材料科技有限公司 | Rolling process for ultra-flat precise stainless steel treatment |
| CN108977641B (en) * | 2017-09-01 | 2020-03-27 | 江苏贯森新材料科技有限公司 | Heat treatment process for machining precision stainless steel |
| CN108220725B (en) * | 2018-04-09 | 2020-01-14 | 河北工业大学 | Preparation method of high-performance magnesium alloy bar |
| CN110125177A (en) * | 2019-04-17 | 2019-08-16 | 无锡兴澄特种材料有限公司 | A kind of hot rolling wire production method improving surface quality |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5832765A (en) * | 1995-10-14 | 1998-11-10 | Daido Tokushuko Kabushiki Kaisha | Method and an apparatus for manufacturing wire |
| CN101456031A (en) * | 2007-12-11 | 2009-06-17 | 杨连明 | Pass structure optimization method of roller pass system |
| CN101691644A (en) * | 2009-07-11 | 2010-04-07 | 山西太钢不锈钢股份有限公司 | Nonmagnetic soft stainless steel wire rod or stainless steel plate and method of manufacturing same |
| CN102294352A (en) * | 2011-08-29 | 2011-12-28 | 山西太钢不锈钢股份有限公司 | Method for rolling stainless-steel bar material with diameter of 120mm by utilizing rolling mill of 650mm |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3605971B2 (en) * | 1996-11-06 | 2004-12-22 | 住友金属工業株式会社 | Diameter reduction method for SUS303 wire rod |
| JP2004188461A (en) * | 2002-12-11 | 2004-07-08 | Sanyo Special Steel Co Ltd | Method for manufacturing round-shaped billet by blooming continuously cast bloom of steel grade sus 430 system |
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2014
- 2014-08-06 CN CN201410382965.1A patent/CN104259199B/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5832765A (en) * | 1995-10-14 | 1998-11-10 | Daido Tokushuko Kabushiki Kaisha | Method and an apparatus for manufacturing wire |
| CN101456031A (en) * | 2007-12-11 | 2009-06-17 | 杨连明 | Pass structure optimization method of roller pass system |
| CN101691644A (en) * | 2009-07-11 | 2010-04-07 | 山西太钢不锈钢股份有限公司 | Nonmagnetic soft stainless steel wire rod or stainless steel plate and method of manufacturing same |
| CN102294352A (en) * | 2011-08-29 | 2011-12-28 | 山西太钢不锈钢股份有限公司 | Method for rolling stainless-steel bar material with diameter of 120mm by utilizing rolling mill of 650mm |
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| CN104259199A (en) | 2015-01-07 |
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