CN105537266A - Method for forming irregularly-shaped steel wire with S-shaped cross section - Google Patents
Method for forming irregularly-shaped steel wire with S-shaped cross section Download PDFInfo
- Publication number
- CN105537266A CN105537266A CN201610095598.6A CN201610095598A CN105537266A CN 105537266 A CN105537266 A CN 105537266A CN 201610095598 A CN201610095598 A CN 201610095598A CN 105537266 A CN105537266 A CN 105537266A
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- 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
- B21B1/08—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 structural sections, i.e. work of special cross-section, e.g. angle steel
-
- 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
- B21B1/18—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 in a continuous process
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses a method for forming an irregularly-shaped steel wire with an S-shaped cross section. The method comprises the following steps: a, taking a round steel wire as a raw material, primarily rolling the round steel wire into a first flat steel wire with parallel upper and lower upper surfaces by using upper and lower rollers of a first rolling machine; b, threading the first flat steel wire into a sensing ring for heating in front of an inlet end of a second rolling machine, and subsequently rolling the flat steel wire into a second flat steel wire with a trench in an opposite angle of the upper surface and the lower surface by using the upper and lower rollers of the second rolling machine; c, after cooling the second flat steel wire, further rolling the cooled second flat steel wire by using the upper, lower, left and right rollers of a third rolling machine, and obtaining a third flat steel wire with a cross section having the shape and the size approximate to those of an irregularly-shaped steel wire finished product with a S-shaped cross section; d, finely trimming and shaping the third flat steel wire by using the upper, lower, left and right rollers of a rolling mold, and obtaining the irregularly-shaped steel wire finished product with the S-shaped cross section. Due to multiple continuous rolling procedures of hot rolling first and cooling rolling later, the irregularly-shaped steel wire with the S-shaped cross section, which is excellent in comprehensive property indexes, can meet the use requirements of a flexible compound hose anti-pressure armor layer, and is small in amount of procedures, low in cost and high in production efficiency, can be formed.
Description
Technical field
The present invention relates to the forming method of a kind of S type cross section profile wire, the S type cross section profile wire that forming method of the present invention is produced is applicable to marine oil gas field conveying flexible pipe resistance to compression armor.
Background technology
Traditional submarine pipeline is based on steel pipe, and cycle of integral constructing and installation and follow-up maintenance is long, costly.In recent years, the external flexible compound flexible pipe risen is due to good corrosion resistance, seafloor topography strong adaptability, the advantage such as laying speed is fast, expense is low, can reuse and being used to gradually on the conveyance conduit of seabed oil, gas and water.Flexible compound flexible pipe is divided into cementability composite soft tube and non-adhesive composite soft tube.Cementability composite soft tube is squeezed into one by polymeric layer and metal enhancement layer, and makes to produce higher adhesive strength between polymeric layer and metal enhancement layer by special procedure, and this kind of flexible pipe is applicable to short distance conveying; Polymeric layer and the metal enhancement layer of non-adhesive flexible duct are combined by physics mode, by friction and contact transmitted load, flexible, be applicable to the conveying of long Distance geometry pressure piping, especially obtain originally applying more widely in the conveying of marine oil, gas, water.Non-adhesive flexible hose is made up of casing play, inner liner, resistance to compression armor, wearing layer, tension armor, tundish coating, heat-insulation layer and external coating, wherein resistance to compression armor is interlocked by S type cross section profile wire to be entwined, main support internal lining pipe, prevents internal lining pipe explosion.These S type cross section profile wire performance indications: dimensional tolerance is no more than 0.5% of mark tolerance, hardness 275-350HV, percentage elongation >=5%, yield strength >=690Mpa, tensile strength >=800Mpa etc., also should ensure that the profile wire interlocked has certain amount of movement each other, certain bending radius can be formed, to meet the instructions for use that flexible composite pipe seabed is dynamically laid.At present, domesticly there is no the desirable forming method about flexible compound flexible pipe resistance to compression armor S type cross section profile wire.The forming method of traditional S type cross section profile wire solid model drawing, because of work hardening effect, be easy to damage mould, cost is high, and trial-produce period is long, and the S type cross section profile wire moulding process proposed in " manufacture method of S type cross section steel wire mfg. moulding die and S type cross section steel wire thereof " is too complicated, and needs the pass of processing many, cost is too high, cannot reach the integrated performance index required by the profile wire of flexible compound flexible pipe S type cross section in addition.
Summary of the invention
Object of the present invention provides the forming method of a kind of S type cross section profile wire just for weak point existing in above-mentioned prior art.The present invention molds by the first hot rolling in some roads, continuous pressure rolling operation cold rolling again the S type cross section profile wire that integrated performance index is excellent, meet the instructions for use of flexible compound flexible pipe resistance to compression armor, and operation is few, cost is low, production efficiency is high.
Object of the present invention realizes by following technique measures:
The forming method of S type cross section of the present invention profile wire comprises the steps:
A, using up-to-standard, area of section and the close round steel wire of S type cross section profile wire finished product as raw material, at the beginning of the top and bottom rolls of the first milling train, roll into the first flat wire that top and bottom are parallel;
B, the first flat wire of gained from step a to be heated through the induction coil being arranged on the second inlet of rolling mill end front, and then the top and bottom rolls entering the second milling train is rolled into diagonal angle, top and bottom just canaliculate second flat wire;
C, treat via gained in step b the second flat wire cooling after, then the roll up and down entering the 3rd milling train is rolled into three flat wire of section shape and size close to S type cross section profile wire finished product;
D, from step c, the 3rd flat wire of gained is shaped into required S type cross section profile wire finished product after the refine of roll up and down of roller drawing-die.
The roll surface of the top and bottom rolls of the first milling train adopted in step a of the present invention is parallel to each other, and roll surface is smooth.
The top and bottom rolls roll surface of the second milling train adopted in step b of the present invention has the projection approximate with the groove shapes of S type cross section profile wire finished product upper and lower surface respectively.
The top and bottom rolls position of the 3rd milling train adopted in step c of the present invention is just just right to, left and right roll location, and top and bottom rolls roll surface has the projection approximate with the groove shapes of S type cross section profile wire finished product upper and lower surface respectively, left and right roll surface is smooth.
The left roll surface of the roller drawing-die adopted in steps d of the present invention compresses topping roll side, and topping roll roll surface compresses right roll side, and right roll surface compresses bottom roll side, and bottom roll roll surface compresses left roll side; Be respectively arranged with the corresponding moulding consistent with the upper and lower surface shape of S type cross section profile wire finished product at described top and bottom rolls roll surface, be respectively arranged with the corresponding moulding consistent with the left and right sides surface configuration of S type cross section profile wire finished product at described left and right roll surface.
The arrival end of described first milling train, the second milling train, the 3rd milling train, roller drawing-die and the port of export are all provided with that stepless-adjustment is wide leads position in the present invention, described stepless-adjustment wide leading on position, straightening-wheel (so that flat wire passes in and out each rolling mill roll from correct position, simultaneously ensureing the linearity of steel wire) is installed.
Described S type cross section profile wire finished product is the asymmetric profiled-cross-section steel wire with compound section in the present invention.
Design principle of the present invention is as follows:
The present invention molds by first hot rolling, continuous multi-pass pressure mutual aid system devised for poor peasants sequence cold rolling again the S type cross section profile wire that integrated performance index is excellent, meet the instructions for use of flexible compound flexible pipe resistance to compression armor.More specifically, up-to-standard, area of section and the close round steel wire of S type cross section profile wire finished product are rolled into the first flat wire, the second flat wire, the 3rd flat wire, S type cross section profile wire finished product through the first milling train, the second milling train, the 3rd milling train, roller drawing-die substep first.Wherein, the first flat wire is wanted first after the induction coil heating being arranged on the second inlet of rolling mill end front, then enters the second mill milling diagonally first canaliculate second flat wire, this is because adopt hot rolling drafts comparatively large, and cross sectional shape needed for easily obtaining; Become section shape and size close to the 3rd flat wire of finished product through the 3rd mill milling again after second flat wire cooling, and the 3rd flat wire just can be shaped into required S type cross section profile wire finished product after the refine of roller drawing-die, this is because adopt cold rolling intensity and the surface smoothness that can improve steel wire.Meanwhile, be all provided with at the arrival end of each milling train and the port of export that stepless-adjustment is wide leads position and straightening-wheel, so that flat wire passes in and out each rolling mill roll from correct position, ensure the linearity of steel wire simultaneously.
Beneficial effect of the present invention is as follows:
The present invention molds by first hot rolling, continuous multi-pass pressure mutual aid system devised for poor peasants sequence cold rolling again the S type cross section profile wire that integrated performance index is excellent, meet the instructions for use of flexible compound flexible pipe resistance to compression armor, and operation is few, cost is low, production efficiency is high.
Accompanying drawing explanation
Fig. 1 is the sectional view of S type cross section profile wire finished product.
Fig. 2 is process chart of the present invention.
Fig. 3 is the schematic diagram utilizing the first milling train round steel wire to be rolled into the first flat wire in the present invention.
Fig. 4 utilizes the second milling train that the first flat wire is rolled into the schematic diagram of the second flat wire in the present invention.
Fig. 5 is the schematic diagram utilizing the 3rd milling train the second flat wire to be rolled into the 3rd flat wire in the present invention.
Fig. 6 utilizes roller drawing-die that the 3rd band steel roll dies is pulled into the schematic diagram of S type cross section profile wire in the present invention.
In figure: 1, Loosen up wire wheel, 2, round steel wire, the 3, first milling train, the 4, first flat wire, 5, induction coil, the 6, second milling train, the 7, second flat wire, the 8, the 3rd milling train, 9, the 3rd flat wire, 10, roller drawing-die, 11, S type cross section profile wire finished product, 12, Receiving wire wheel.
Detailed description of the invention
The present invention is further described below with reference to embodiment (accompanying drawing):
As shown in Figure 2, the forming method of S type cross section of the present invention profile wire comprises the steps:
A, using up-to-standard, the area of section that screws out from Loosen up wire wheel 1 and the close round steel wire 2 of S type cross section profile wire finished product as raw material, at the beginning of the top and bottom rolls of the first milling train 3, roll into the first parallel flat wire 4(of top and bottom see Fig. 3);
B, the first flat wire 4 of gained from step a to be heated through the induction coil 5 being arranged on the second milling train 6 arrival end front, and then the top and bottom rolls entering the second milling train 6 be rolled into diagonal angle, top and bottom just canaliculate second flat wire 7(see Fig. 4);
C, treat via gained in step b second flat wire 7 cool after, then the roll up and down entering the 3rd milling train 8 is rolled into the three flat wire 9(of section shape and size close to S type cross section profile wire finished product see Fig. 5);
D, from step c the 3rd flat wire 9 of gained after the refine of roll up and down of roller drawing-die 10, be shaped into required S type cross section profile wire finished product 11(see Fig. 6), and to be continuously wound up on Receiving wire wheel 12.
The roll surface of the top and bottom rolls of the first milling train 3 adopted in step a of the present invention is parallel to each other, and roll surface smooth (see Fig. 3).
The top and bottom rolls roll surface of the second milling train 6 adopted in step b of the present invention has the projection (see Fig. 4) approximate with the groove shapes of S type cross section profile wire finished product upper and lower surface respectively.
The top and bottom rolls position of the 3rd milling train 8 adopted in step c of the present invention is just just right to, left and right roll location, and top and bottom rolls roll surface has the projection approximate with the groove shapes of S type cross section profile wire finished product upper and lower surface respectively, left and right roll surface smooth (see Fig. 5).
The left roll surface of the roller drawing-die 10 adopted in steps d of the present invention compresses topping roll side, and topping roll roll surface compresses right roll side, and right roll surface compresses bottom roll side, and bottom roll roll surface compresses left roll side; Be respectively arranged with the corresponding moulding consistent with the upper and lower surface shape of S type cross section profile wire finished product at described top and bottom rolls roll surface, be respectively arranged with the corresponding moulding (see Fig. 6) consistent with the left and right sides surface configuration of S type cross section profile wire finished product at described left and right roll surface.
All be provided with at the arrival end of the first milling train 3, second milling train 6 of the present invention, the 3rd milling train 8, roller drawing-die 10 and the port of export that stepless-adjustment is wide leads position, described stepless-adjustment wide leading on position, straightening-wheel (see Fig. 2) be installed.
Described S type cross section profile wire finished product is the asymmetric profiled-cross-section steel wire (see Fig. 1) with compound section in the present invention.
Claims (7)
1. a forming method for S type cross section profile wire, is characterized in that: described forming method comprises the steps:
A, using up-to-standard, area of section and the close round steel wire (2) of S type cross section profile wire finished product as raw material, at the beginning of the top and bottom rolls of the first milling train (3), roll into the first flat wire (4) that top and bottom are parallel;
B, first flat wire (4) of gained from step a to be heated through the induction coil (5) being arranged on the second milling train (6) arrival end front, and then the top and bottom rolls entering the second milling train (6) is rolled into diagonal angle, top and bottom just canaliculate second flat wire (7);
C, treat via gained in step b the second flat wire (7) cooling after, then the roll up and down entering the 3rd milling train (8) is rolled into three flat wire (9) of section shape and size close to S type cross section profile wire finished product;
D, from step c, the 3rd flat wire (9) of gained is shaped into required S type cross section profile wire finished product (11) after the refine of roll up and down of roller drawing-die (10).
2. the forming method of S type cross section according to claim 1 profile wire, is characterized in that: the roll surface of the top and bottom rolls of the first milling train (3) adopted in described step a is parallel to each other, and roll surface is smooth.
3. the forming method of S type cross section according to claim 1 profile wire, is characterized in that: the top and bottom rolls roll surface of the second milling train (6) adopted in described step b has the projection approximate with the groove shapes of S type cross section profile wire finished product upper and lower surface respectively.
4. the forming method of S type cross section according to claim 1 profile wire, it is characterized in that: the top and bottom rolls position of the 3rd milling train (8) adopted in described step c is just just right to, left and right roll location, and top and bottom rolls roll surface has the projection approximate with the groove shapes of S type cross section profile wire finished product upper and lower surface respectively, left and right roll surface is smooth.
5. the forming method of S type cross section according to claim 1 profile wire, it is characterized in that: the left roll surface of the roller drawing-die (10) adopted in described steps d compresses topping roll side, topping roll roll surface compresses right roll side, right roll surface compresses bottom roll side, and bottom roll roll surface compresses left roll side; Be respectively arranged with the corresponding moulding consistent with the upper and lower surface shape of S type cross section profile wire finished product at described top and bottom rolls roll surface, be respectively arranged with the corresponding moulding consistent with the left and right sides surface configuration of S type cross section profile wire finished product at described left and right roll surface.
6. the forming method of the S type cross section profile wire according to Claims 2 or 3 or 4 or 5, it is characterized in that: be all provided with at the arrival end of described first milling train (3), the second milling train (6), the 3rd milling train (8), roller drawing-die (10) and the port of export that stepless-adjustment is wide leads position, described stepless-adjustment wide leading on position, straightening-wheel is installed.
7. the forming method of S type cross section according to claim 1 profile wire, is characterized in that: described S type cross section profile wire is the asymmetric profiled-cross-section steel wire with compound section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610095598.6A CN105537266A (en) | 2016-02-22 | 2016-02-22 | Method for forming irregularly-shaped steel wire with S-shaped cross section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610095598.6A CN105537266A (en) | 2016-02-22 | 2016-02-22 | Method for forming irregularly-shaped steel wire with S-shaped cross section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105537266A true CN105537266A (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610095598.6A Pending CN105537266A (en) | 2016-02-22 | 2016-02-22 | Method for forming irregularly-shaped steel wire with S-shaped cross section |
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| CN (1) | CN105537266A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109082510A (en) * | 2018-09-18 | 2018-12-25 | 中钢集团郑州金属制品研究院有限公司 | A kind of preparation process of the nearly round flat steel wire of suitable valve spring |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4833906A (en) * | 1987-10-19 | 1989-05-30 | Star Fasteners International, Inc. | Machine for making star-shaped fasteners |
| JPH04210804A (en) * | 1990-07-19 | 1992-07-31 | Hitachi Cable Ltd | Method for rolling tape-like wire rod |
| JPH10328702A (en) * | 1997-06-05 | 1998-12-15 | Nkk Corp | Method for rolling shape having flange and device therefor |
| JP2003039103A (en) * | 2001-07-30 | 2003-02-12 | Hitachi Metals Ltd | Method and apparatus for forming deformed wire rod |
| CN104002098A (en) * | 2014-03-11 | 2014-08-27 | 温州一川金属科技有限公司 | Processing technic of deformed steel wire special for automobile piston ring |
-
2016
- 2016-02-22 CN CN201610095598.6A patent/CN105537266A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4833906A (en) * | 1987-10-19 | 1989-05-30 | Star Fasteners International, Inc. | Machine for making star-shaped fasteners |
| JPH04210804A (en) * | 1990-07-19 | 1992-07-31 | Hitachi Cable Ltd | Method for rolling tape-like wire rod |
| JPH10328702A (en) * | 1997-06-05 | 1998-12-15 | Nkk Corp | Method for rolling shape having flange and device therefor |
| JP2003039103A (en) * | 2001-07-30 | 2003-02-12 | Hitachi Metals Ltd | Method and apparatus for forming deformed wire rod |
| CN104002098A (en) * | 2014-03-11 | 2014-08-27 | 温州一川金属科技有限公司 | Processing technic of deformed steel wire special for automobile piston ring |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109082510A (en) * | 2018-09-18 | 2018-12-25 | 中钢集团郑州金属制品研究院有限公司 | A kind of preparation process of the nearly round flat steel wire of suitable valve spring |
| CN109082510B (en) * | 2018-09-18 | 2019-12-27 | 中钢集团郑州金属制品研究院有限公司 | Preparation process of approximately-round flat steel wire suitable for valve spring |
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Application publication date: 20160504 |
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