CN105195551A - Profiled bar fine wire drawing technology - Google Patents
Profiled bar fine wire drawing technology Download PDFInfo
- Publication number
- CN105195551A CN105195551A CN201510538109.5A CN201510538109A CN105195551A CN 105195551 A CN105195551 A CN 105195551A CN 201510538109 A CN201510538109 A CN 201510538109A CN 105195551 A CN105195551 A CN 105195551A
- Authority
- CN
- China
- Prior art keywords
- materials
- conducted
- annealing
- wire drawing
- profile shapes
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Abstract
The invention relates to a profiled bar fine wire drawing technology. The profiled bar fine wire drawing technology comprises the following steps that firstly, annealing is conducted, wherein materials are put into a bell jar furnace, the temperature is raised to 700 DEG C in the nitrogen protection environment and preserved fro 1-1.5 h, the materials are discharged out of the furnace when cooling to the temperature lower than 400 DEG C along with the furnace, and the materials are cooled through air to the room temperature; secondly, acid pickling is conducted, wherein the materials are steeped in a sulfuric acid solution at the temperature of 65 DEG C for 15 minutes; thirdly, first drawing is conducted, wherein the materials are coarsely drawn into a round wire; fourthly, secondary annealing is conducted; fifthly, aging treatment is conducted, wherein the materials are stored for several days at a ventilated and dry place; sixthly, coarse drawing is conducted, wherein the materials are coarsely drawn into the shape identical with that of a finished product; seventhly, annealing is conducted for the third time; eighthly, secondary aging treatment is conducted; ninthly, secondary acid prickling is conduced; tenthly, sizing is conducted, wherein the materials are steeped into sizing liquid boiled through steam, the sizing liquid is stirred until the sizing liquid is evenly bonded to the surfaces of the materials, and then the materials are taken out and aired; eleventhly, fine drawing is conduced, wherein the materials are subjected to fine drawing to the regulated shape and cross section size. By means of the profiled bar fine wire drawing technology, the wire drawn finished product has the advantages of being high in section size precision, smooth and flat in surface and the like, and the profiled bar fine wire drawing technology is beneficial to reducing cost under the mass production condition.
Description
Technical field
The invention belongs to metal material wire-drawing technology field, be specifically related to a kind of profile shapes essence drawing process.
Background technology
Existing wire-drawing technology can be divided into hot-drawn technology and cold drawn technology two kinds, and wherein cold drawn technology application is more extensive.
There is many defects in common cold drawn technology, as: in pulling process, the oxide skin of wire surface can constantly be peeled off, and part hardening oxidation skin is brought in wire-drawing die, and is pressed in metal material matrix, make metal material matrix produce inclusion defect, surface roughness significantly reduces.And also wearing and tearing are caused to wire drawing die due to the existence of oxide skin, cause wire drawing die precision to reduce, thus reduce the sectional dimension precision of institute's draw metal wire rod.
In addition, cold drawn technology makes metal be forced through mould under external force, and metal cross-sectional area is compressed, the shape of cross section required by just obtaining and the technology of size.In the process extruded by force, inevitably produce internal stress in metal wire rod inside, common drawing technology cannot eliminate the internal stress that pulling process produces, and only in the process of multiple tracks drawing, coordinates annealing technology to eliminate internal stress.
Hot wire drawing technology is divided into external heat and directly heating two kinds, and external heat wire-drawing technology adopts external heat system, is forced through wire drawing die after metal wire rod is heated up; Direct heating wire-drawing technology adopts the alternating current passing into low-voltage, big current directly to metal wire rod, carries out wire drawing after making it generate heat.Although two kinds of hot wire drawing technology can improve the processability of metal material, because metal material self-temperature is high, after wire drawing die heating, easily occur deeply worried between wire drawing die and metal material, finished surface difficult quality controls.And the at substantial energy is needed to metal material heating.
Summary of the invention
In order to solve above-mentioned technical problem, the object of this invention is to provide a kind of profile shapes essence drawing process, adopt that the finished product sectional dimension precision of this explained hereafter is high, smooth surface is smooth, cost is low, is convenient to batch production.
In order to realize above-mentioned object, present invention employs following technical scheme:
A kind of profile shapes essence drawing process, comprises the following steps, 1) annealing, material is put into clock hood type furnace, under n guard ring border, is warming up to 700 DEG C, insulation 1 ~ 1.5h, be cooled to less than 400 DEG C to come out of the stove with stove, air cooling is to room temperature; 2) pickling, material is soak 15 minutes in the sulfuric acid solution of 65 DEG C in temperature; 3) slubbing draws, rough round silk material; 4) double annealing, again puts into clock hood type furnace by the material drawn through slubbing and carries out annealing in process, the same step 1) of technological parameter; 5) Ageing Treatment, deposits some skies in aeration-drying place; 6) rough, rough identical with finished form to shape; 7) three annealing, again puts into clock hood type furnace by the material after rough and carries out annealing in process, the same step 1) of technological parameter; 8) secondary ageing process, deposits some skies in aeration-drying place; 9) material through step 8) process is soak 15 minutes in the sulfuric acid solution of 65 DEG C in temperature by white picking; 10) starching, is immersed in the pulp-water that steam boils by material, take out and dry after stirring pulp-water to material surface uniform adhesion pulp-water; 11) finish draw, finish draw is to regulation shape and cross sectional dimensions.
Preferably: the drawing number of times of described technique controls according to profile shapes practical distortion amount, and material section single deflection is less than 5mm.
Preferably: described pickle is the aqueous solution of sulfuric acid and Ruo Ding, in described pickle, the weight proportion of sulfuric acid is 7 ~ 10%, is the highlyest no more than 15%; If the weight proportion of fourth is 0.2% ~ 0.4%.
Preferably: need wire drawing material to be immersed in before described finish draw operation in the pulp-water that Steam Heating boils and carry out starching process, the pulp-water that described starching adopts adds water formulated by quick lime 75 ~ 80%, paraffin 3 ~ 5%, animal oil 6 ~ 8%, gelatin 1 ~ 3%, soap 6 ~ 8%, hard acid fat 2 ~ 5%, wire drawing oil 1 ~ 3%, and the uniform white lime plaster of one deck is adhered in described material starching rear surface.
Preferably: the wire drawing die that described finish draw operation adopts carries the cooling system adopting spraying cooling mode.
Preferably: the wire drawing die material that described finish draw operation adopts is tungsten carbide.
Shaping by repeatedly pulling, the special starching of the present invention and common drawing and the technique combined of annealing, be progressively drawn into required abnormal-shaped section bar by circle silk material.After overcoming common process wire drawing there is larger stress, easily occur micro-crack in material internal, surface exists cut and the shortcoming such as cross section special-shaped size inaccuracy.Achieve the features such as wire drawing finished product sectional dimension precision is high, smooth surface is smooth, and the present invention is conducive to reducing costs under large-scale production condition.
Detailed description of the invention
A kind of profile shapes drawing process, its technical scheme is: draw in the enterprising wardrobe road, basis of raw material annealing, pickling; And adopt the technique of multiple tracks annealing, Ageing Treatment, (pickling), starching, drawing, circle silk material is progressively drawn into required abnormal-shaped section bar.The sizing liquor that pulling process adopts is the mixture of lime, paraffin, animal oil, gelatin, soap and water, can play lubrication between wire-drawing die and metal wire rod to be processed; Wire drawing die carries cooling system.
A kind of profile shapes drawing process, its technical scheme is: be rolled on the basis of raw material annealing, pickling; And adopt the technique of multiple tracks annealing, Ageing Treatment, (pickling), starching, drawing, circle silk material is progressively drawn into required abnormal-shaped section bar.The sizing liquor that pulling process adopts is the mixture of lime, paraffin, animal oil, gelatin, soap and water, can play lubrication between wire-drawing die and metal wire rod to be processed; Wire drawing die carries cooling system.
Embodiment:
This example describes raw material, and to be each constituent content be: C:0.18%; Mn:0.65%; Si:0.2%; Cr:0.55%; Mo:0.25%; It is 4.32mm that the φ 8 circle silk material of Ni:0.56% is drawn into width, and thickness is the process of watt shape abnormity material of 2.01mm.
Operation 1) annealing, circle material is filled with nitrogen again clock hood type furnace after being placed on and being evacuated is inner, is warming up to 700 DEG C, insulation 1 ~ 1.5h, and be cooled to less than 400 DEG C to come out of the stove with stove, air cooling is to room temperature;
Operation 2) pickling, material is soak 15 minutes in the sulfuric acid solution of 65 DEG C in temperature.Wherein sulfuric acid weight proportion is 10%, if fourth content is 0.3%;
Operation 3) rolling, roughing circle silk material, it is 5.5mm that circle silk material is rolled into width, and thickness is the flat filament shape of 3.3mm;
Operation 4) annealing, technological parameter is with operation 1);
Operation 5) Ageing Treatment, deposit 15 days in aeration-drying place;
Operation 6) rough, rough identical with finished form to shape, watt shape material of cross-sectional width 4.91mm, thickness 2.63mm;
Operation 7) annealing, technological parameter is with operation 1);
Operation 8) Ageing Treatment, deposit 15 days in aeration-drying place;
Operation 9) pickling, technological parameter is with operation 2);
Operation 10) starching, material is immersed in the pulp-water that steam boils, takes out after stirring pulp-water to material surface uniform adhesion pulp-water and dry.Wherein pulp-water adds water formulated by quick lime 75 ~ 80%, paraffin 3 ~ 5%, animal oil 6 ~ 8%, gelatin 1 ~ 3%, soap 6 ~ 8%, hard acid fat 2 ~ 5%, wire drawing oil 1 ~ 3%;
Operation 11) finish draw, finish draw is to regulation shape and cross sectional dimensions.
Measure special section surface roughness after completing finish draw operation, the profile shapes surface roughness adopting the profile shapes of this process drawing and common process to draw compares and is significantly improved:
Table 1 profile shapes surface roughness contrasts
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent transformation, all still belong in the protection domain of present invention process scheme.
Claims (6)
1. a profile shapes essence drawing process, is characterized in that: comprise the following steps, 1) annealing, material is put into clock hood type furnace, under n guard ring border, is warming up to 700 DEG C, insulation 1 ~ 1.5h, be cooled to less than 400 DEG C to come out of the stove with stove, air cooling is to room temperature; 2) pickling, material is soak 15 minutes in the sulfuric acid solution of 65 DEG C in temperature; 3) slubbing draws, rough round silk material; 4) double annealing, again puts into clock hood type furnace by the material drawn through slubbing and carries out annealing in process, the same step 1) of technological parameter; 5) Ageing Treatment, deposits some skies in aeration-drying place; 6) rough, rough identical with finished form to shape; 7) three annealing, again puts into clock hood type furnace by the material after rough and carries out annealing in process, the same step 1) of technological parameter; 8) secondary ageing process, deposits some skies in aeration-drying place; 9) material through step 8) process is soak 15 minutes in the sulfuric acid solution of 65 DEG C in temperature by white picking; 10) starching, is immersed in the pulp-water that steam boils by material, take out and dry after stirring pulp-water to material surface uniform adhesion pulp-water; 11) finish draw, finish draw is to regulation shape and cross sectional dimensions.
2. a kind of profile shapes essence drawing process according to claim 1, is characterized in that: the drawing number of times of described technique controls according to profile shapes practical distortion amount, and material section single deflection is less than 5mm.
3. a kind of profile shapes essence drawing process according to claim 1, it is characterized in that: described pickle is the aqueous solution of sulfuric acid and Ruo Ding, in described pickle, the weight proportion of sulfuric acid is 7 ~ 10%, is the highlyest no more than 15%; If the weight proportion of fourth is 0.2% ~ 0.4%.
4. a kind of profile shapes essence drawing process according to claim 1, it is characterized in that: need wire drawing material to be immersed in before described finish draw operation in the pulp-water that Steam Heating boils and carry out starching process, the pulp-water that described starching adopts adds water formulated by quick lime 75 ~ 80%, paraffin 3 ~ 5%, animal oil 6 ~ 8%, gelatin 1 ~ 3%, soap 6 ~ 8%, hard acid fat 2 ~ 5%, wire drawing oil 1 ~ 3%, and the uniform white lime plaster of one deck is adhered in described material starching rear surface.
5. a kind of profile shapes essence drawing process according to claim 1, is characterized in that: the wire drawing die that described finish draw operation adopts carries the cooling system adopting spraying cooling mode.
6. a kind of profile shapes essence drawing process according to claim 1, is characterized in that: the wire drawing die material that described finish draw operation adopts is tungsten carbide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510538109.5A CN105195551B (en) | 2015-08-28 | 2015-08-28 | A kind of smart drawing process of profile shapes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510538109.5A CN105195551B (en) | 2015-08-28 | 2015-08-28 | A kind of smart drawing process of profile shapes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105195551A true CN105195551A (en) | 2015-12-30 |
| CN105195551B CN105195551B (en) | 2017-07-28 |
Family
ID=54943696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510538109.5A Active CN105195551B (en) | 2015-08-28 | 2015-08-28 | A kind of smart drawing process of profile shapes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105195551B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106563701A (en) * | 2016-11-11 | 2017-04-19 | 重庆方略精控金属制品有限公司 | Processing technology of cold drawn wire |
| CN106583472A (en) * | 2016-12-16 | 2017-04-26 | 东莞市粤钢不锈钢制品有限公司 | Semicircular stainless steel profiled bar production method and product thereof |
| CN106583470A (en) * | 2016-12-16 | 2017-04-26 | 东莞市粤钢不锈钢制品有限公司 | Production method for U-shaped stainless steel profiled bar and product of production method |
| CN106583471A (en) * | 2016-12-16 | 2017-04-26 | 东莞市粤钢不锈钢制品有限公司 | Production method and product of oblong flat-wire stainless steel profiled bar |
| CN106734269A (en) * | 2016-12-16 | 2017-05-31 | 东莞市粤钢不锈钢制品有限公司 | Hexagon stainless steel profile shapes production method and products thereof |
| CN107695117A (en) * | 2017-11-09 | 2018-02-16 | 中铁隆昌铁路器材有限公司 | A kind of saponification process technique for bolt class product |
| CN109622642A (en) * | 2019-01-16 | 2019-04-16 | 天长市润源金属制品有限公司 | A kind of drawing process of high-performance steel material retrofit |
| CN111519091A (en) * | 2020-04-27 | 2020-08-11 | 浙江丰原型钢科技有限公司 | Processing technology of high-strength deformed steel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1147429A (en) * | 1995-10-06 | 1997-04-16 | 蓬莱市钢铁工业(集团)公司 | Spiral square steel cold-drawing forming method and mechanism |
| US20020043091A1 (en) * | 2000-05-09 | 2002-04-18 | Quick Nathaniel R. | Apparatus and method for drawing continuous fiber |
| KR20100014200A (en) * | 2008-08-01 | 2010-02-10 | 한국생산기술연구원 | Apparatus for manufacturing wire |
| CN101693259A (en) * | 2009-10-21 | 2010-04-14 | 衡阳康屹金属制品有限公司 | Production method and die of cold-drawing transmission shaft |
| CN104028577A (en) * | 2014-06-26 | 2014-09-10 | 芜湖楚江合金铜材有限公司 | Compound type machining equipment for copper alloy flat wires |
-
2015
- 2015-08-28 CN CN201510538109.5A patent/CN105195551B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1147429A (en) * | 1995-10-06 | 1997-04-16 | 蓬莱市钢铁工业(集团)公司 | Spiral square steel cold-drawing forming method and mechanism |
| US20020043091A1 (en) * | 2000-05-09 | 2002-04-18 | Quick Nathaniel R. | Apparatus and method for drawing continuous fiber |
| KR20100014200A (en) * | 2008-08-01 | 2010-02-10 | 한국생산기술연구원 | Apparatus for manufacturing wire |
| CN101693259A (en) * | 2009-10-21 | 2010-04-14 | 衡阳康屹金属制品有限公司 | Production method and die of cold-drawing transmission shaft |
| CN104028577A (en) * | 2014-06-26 | 2014-09-10 | 芜湖楚江合金铜材有限公司 | Compound type machining equipment for copper alloy flat wires |
Non-Patent Citations (2)
| Title |
|---|
| 刘开升等: "高强度合金焊丝的拉拔", 《金属制品》 * |
| 翟世先等: "0Cr17Ni4Cu4Nb不锈钢丝冷拉工艺探讨", 《金属制品》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106563701A (en) * | 2016-11-11 | 2017-04-19 | 重庆方略精控金属制品有限公司 | Processing technology of cold drawn wire |
| CN106563701B (en) * | 2016-11-11 | 2018-06-15 | 重庆方略精控金属制品有限公司 | A kind of processing technology of cold-drawn wire |
| CN106583472A (en) * | 2016-12-16 | 2017-04-26 | 东莞市粤钢不锈钢制品有限公司 | Semicircular stainless steel profiled bar production method and product thereof |
| CN106583470A (en) * | 2016-12-16 | 2017-04-26 | 东莞市粤钢不锈钢制品有限公司 | Production method for U-shaped stainless steel profiled bar and product of production method |
| CN106583471A (en) * | 2016-12-16 | 2017-04-26 | 东莞市粤钢不锈钢制品有限公司 | Production method and product of oblong flat-wire stainless steel profiled bar |
| CN106734269A (en) * | 2016-12-16 | 2017-05-31 | 东莞市粤钢不锈钢制品有限公司 | Hexagon stainless steel profile shapes production method and products thereof |
| CN107695117A (en) * | 2017-11-09 | 2018-02-16 | 中铁隆昌铁路器材有限公司 | A kind of saponification process technique for bolt class product |
| CN109622642A (en) * | 2019-01-16 | 2019-04-16 | 天长市润源金属制品有限公司 | A kind of drawing process of high-performance steel material retrofit |
| CN111519091A (en) * | 2020-04-27 | 2020-08-11 | 浙江丰原型钢科技有限公司 | Processing technology of high-strength deformed steel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105195551B (en) | 2017-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105195551A (en) | Profiled bar fine wire drawing technology | |
| CN103111478B (en) | A kind of cold-drawn wire method of GR5 titanium alloy | |
| CN105506525B (en) | Preparation method of Ti2AlNb-based alloy large-size uniform fine-grain bar | |
| CN106521270A (en) | Thermal treatment process for improving corrosion resistance of aluminum-lithium alloy | |
| CN109252121B (en) | Processing method of needle-shaped crystal patterns on surface of thin-wall pure titanium product | |
| CN102127725A (en) | Method for preparing high-strength high-toughness magnesium alloy plate strip | |
| CN104874604A (en) | Wide thick titanium alloy plate rolling method | |
| CN106917057A (en) | A kind of processing method of the residual stress for eliminating light alloy material | |
| JP2019206757A (en) | Aluminum alloy suitable for high speed production of aluminum bottle, and process of manufacture thereof | |
| CN103084389B (en) | Cold rolling titanium foil material process | |
| CN102357622B (en) | Technology for preparing titanium-nickel-niobium memory alloy rings | |
| CN107916371A (en) | The production method of glassed steel | |
| CN103469060B (en) | The manufacture method of household electrical appliances punching press cold-rolled steel sheet | |
| CN101353756A (en) | Cold rolling high strength steel plate for porcelain enamel and manufacturing method thereof | |
| CN102451978A (en) | Method for preparing H65 brass pipe | |
| CN108856614B (en) | A kind of forging method of 7000 line aluminium alloy | |
| CN110791637A (en) | Heat treatment process method of titanium-iron-stainless steel three-layer composite board | |
| CN110899334A (en) | Hollow anchor rod processing method | |
| CN105220095B (en) | Preparation method of large single-heavy molybdenum plate | |
| CN100424219C (en) | Ultra-thin precision deep drawing molding rolling method for molybdenum sheet | |
| CN105506520A (en) | Method for improving heat treatment performance of 2219 aluminium alloy thin-walled curved part | |
| CN102921726B (en) | Method for improving corrosion resistance of hot-rolled plate by utilizing oxide scale | |
| CN108838206B (en) | Method for improving performance of aluminum stainless steel composite board and aluminum stainless steel composite board | |
| CN107159710A (en) | A kind of milling method of the special thickness 15CrMoR steel plates of electroslag type | |
| CN102125931B (en) | Hot rolling production method for 400 series stainless steel coils |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180620 Address after: No. 10, Chengnan West Road, Xinghua City, Taizhou, Jiangsu Patentee after: Donghua chain Xinghua Co., Ltd. Address before: 311102 Changda Road, Yuhang economic and Technological Development Zone, Hangzhou, Zhejiang 1 Patentee before: Hangzhou Donghua Chain Group Co., Ltd. |
|
| TR01 | Transfer of patent right |