CN1303747A - Reversible cold rolling equipment - Google Patents
Reversible cold rolling equipment Download PDFInfo
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- CN1303747A CN1303747A CN 99120991 CN99120991A CN1303747A CN 1303747 A CN1303747 A CN 1303747A CN 99120991 CN99120991 CN 99120991 CN 99120991 A CN99120991 A CN 99120991A CN 1303747 A CN1303747 A CN 1303747A
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Abstract
The present invention is characterized by connecting the coil preparation operation line and reversible cold-rolling operatin line into an operation line, and between jointing equipment and reversible cold-rolling machine for cold-rolling steel tape, the first and second coiling and decoiling devices are set up and supported on the same frame, the jointing equipment can make rear end of previous decoiled steel tape directly joined with front end of the next steel tape or join the two ends by menas of dummy material or join the dummy material on the end portion of steep tape. Said invention can change over the positions of two coiling-decoiling devices.
Description
The present invention relates to make the reversible cold-rolling equipment of corrosion resistant plate or silicon steel sheet with reversible mill.
Stainless steel or the high material of this class resistance of deformation of silicon steel are carried out when cold rolling, and generally the reversible minor diameter milling train with sendzimir mill and so on carries out reversible mill.That is to say that shown in Fig. 1 (b), to the steel band 14 that will be rolled, the limit is carried out several to tens time uncoiling and batched with a pair of decoiling equipment 11,12 that batches, the limit is rolled repeatedly to steel band 14, and it is rolled into the sheet material of specific thickness.
But, when carrying out above-mentioned uncoiling, a few circle faciolas that usually steel band 14 length direction ends (end) must be wound on the above-mentioned axle of respectively batching decoiling equipment 11,12 are retained on the axle, to guarantee tension force, so produce the part that is rolled to the end and not with reeling condition, this part and be equivalent to become to the steel band 14 parts of the length of working roll below and be called the not bad part of rolling part from batching decoiling equipment.
Therefore, be one to make the length of this bad part reduce to minimum in the past, as the preparatory process of rolling operation and roll coil of strip preparation work line is set in addition, this production line is used for guiding illusory (dummy) material of material to be welded on the steel band both ends respectively with being called, perhaps will directly engage between the end of steel band or get up by illusory material solder joints, lengthening steel band length to reduce above-mentioned bad part, improves lumber recovery etc.
In addition, roll coil of strip preparation work line has the rotary side trimming shears of sheared edge portion mostly, is used to remove width of steel band direction end (limit portion) and goes up defective that exists or the size of adjusting the width of steel band direction.
Here, the example of the formation of above-mentioned roll coil of strip preparation work line and rolling production line is described, roll coil of strip preparation work line is shown in Fig. 1 (a), and tandem has disposed following apparatus: from upstream side steel band 10 is carried out the decoiling equipment 1 that uncoiling is used; The thick straightener 2 that defective is repaired usefulness that batches to the copper strips 10 of uncoiling; The end of steel band 10 is sheared the cutter 3 of usefulness in order to weld; The illusory material feeding device 4 that provides not shown illusory material to use; To welding the bonding machine 5 of usefulness between the end of steel band 10 or to the end of steel band 10 and the end of illusory material; Weld part is carried out grinding and makes its milling drum that becomes smooth 6; The limit portion of steel band 10 is sheared the rotary side trimming shears 7 of usefulness; The burr of the section that produces shearing with rotary side trimming shears are cleared up cleaning (marsha) roller 8 of usefulness, batch the devices for taking-up 9 of steel band 10 usefulness.
Here, the engagement device that above-mentioned cutter 3, illusory material feeding device 4, bonding machine 5 and milling drum 6 constitute among the present invention, but milling drum 6 dispensable constitution equipments.In addition, rotary side trimming shears 7 and cleaning roller 8 neither necessary constitution equipments.
Again, shown in Fig. 1 (b), the roll line upstream side rises and batches decoiling equipment 11, milling train 13, outlet side by entrance side and batch decoiling equipment 12 and constitute.Symbol 15 expression guide rollers.
But in the past, roll coil of strip preparation work line and cold rolling production line are independently production lines of each leisure, so there is the problem of following (1)-(4).
That is,
(1) roll coil of strip preparation work line and reversible cold-rolling production line must have the special operating personnel of each production line.
(2) steel band after roll coil of strip preparation work on-line operation finishes in case after batching with the coiling machine that is configured in roll coil of strip preparation work line outlet side, just come out from the production line carrying, is placed on roll coil of strip park on the ground temporarily.Then, must carry out such carrying operation, 1 roll coil of strip that is about to roll coil of strip park ground holding state is placed in batching on the decoiling equipment of cold rolling production line, is sent in the rolling production line again.
In addition,, be provided with in addition at the production line entrance side on the cold rolling production line of feeder, be placed on this feeder be placed on the roll coil of strip park roll coil of strip on the ground temporarily in order to shorten operation dwell time (time).
(3) because roll coil of strip preparation work line and this two lines of reversible cold-rolling production line are independent the settings, so batch, send the cycle operation of such futile effort repeatedly, but also must on roll coil of strip preparation work line, handle several roll coil of strips in advance, place it in standby on the place of regulation, so that the steel band of front is rolling finish after, following 1 roll coil of strip can be worn band immediately on rolling production line.
(4) in addition, when carrying out above-mentioned transporting, also might make steel band produce defective.
In order to address the above problem, also considered to constitute like this single homework line, being about to roll coil of strip preparation work line and cold rolling production line couples together simply, just with after welding between the steel band or with steel band and illusory material, can proceed cold rolling single homework line, but there is following problem in this mode.
Steel band is stopped,, the productivity ratio of rolling operation is reduced so rolling operation also must be stopped.
(6) the distance lengthening from the uncoiler to the operation roll of mill, illusory length of beating also must correspondingly extend, so illusory material feeding device is huge, and along with illusory material length increases, cost is improved.
(7) though considered also that cost of equipment increased with several milling train tandem ground configurations, by the rolling mode that becomes unidirection rolling of reversible.
Therefore, because the reason of (1)-(7), the past is not built the equipment of roll coil of strip preparation work line and reversible cold-rolling production line being arranged to a lines, and this is actual conditions.
The present invention is conceived to the problems referred to above and is developed into, and the problem of research is under the situation that does not reduce rolling operating rate, roll coil of strip preparation work line and cold rolling production line are coupled together and becomes a lines, to address the above problem.
In order to address the above problem, the invention provides a kind of like this cold-rolling equipment, this cold-rolling equipment has with lower device: the decoiling equipment of steel band; Engagement device, it is configured in the downstream of above-mentioned steel band decoiling equipment, is used for being joined together between the steel band or steel band and illusory material being joined together; The 1st steel coil strip takes away winding apparatus, and it is configured in the downstream of above-mentioned engagement device; Reversible mill, it is configured in the downstream that above-mentioned the 1st steel coil strip takes away winding apparatus, is used for carrying out cold rolling to above-mentioned steel band; The 2nd steel coil strip takes away winding apparatus and the 3rd steel coil strip with decoiling equipment, they are configured in the upstream and downstream side of above-mentioned reversible mill respectively, this reversible mill is characterised in that, it has switching mechanism, the effect of this mechanism is to make above-mentioned the 1st steel coil strip take away winding apparatus and above-mentioned the 2nd steel coil strip to take away winding apparatus and move in linkage, and the position that the 1st and the 2nd steel coil strip takes away winding apparatus is changed.
According to the present invention, last steel band carried out between cold rolling operational period, separate with this cold rolling operation, promptly under the situation that does not stop the milling train operation, illusory material is bonded on the end of a back steel band, batch the 1st again and batch on the decoiling equipment.
Then, when present cold rolling operation finishes and batches after the 3rd batches on the decoiling equipment, make the switching mechanism action, the 1st batches decoiling equipment just is transformed into the 2nd and batches on the position of decoiling equipment, the 2nd batches decoiling equipment just is transformed into the 1st and batches on the position of decoiling equipment, therefore, concerning a back steel band, can simplify above-mentioned carried out in the past transport operation.
That is to say, adopt cold-rolling equipment of the present invention, have following effect, promptly can under the situation that does not reduce cold rolling operating rate, roll coil of strip preparation work line and the rolling production line of reversible be connected into a lines.
Fig. 1 is roll coil of strip preparation work line and the figure of formation one example of the rolling production line of reversible, (a) expression roll coil of strip preparation work line, (b) the expression reversible roll line of representing in the past.
Fig. 2 is the figure that is used to illustrate the reversible cold-rolling equipment of the invention process form, is to be illustrated in the figure that has welded the state of illusory material on the back steel band front end.
Fig. 3 is the figure that is used to illustrate the cold-rolling equipment of the invention process form, is to be illustrated in the figure that has welded the state of illusory material on the back steel band rear end.
Fig. 4 is used to illustrate that the 1st uncoiling devices for taking-up and the 2nd batches the figure of the conversion of decoiling equipment, (a) state behind last rolling finishing of steel band of expression, and (b) expression has been changed and has been batched after the decoiling equipment, and a back steel band begins rolling state.
Fig. 5 is used to illustrate that another kind batches the figure of the switching mechanism of decoiling equipment.
With reference to the accompanying drawings, the working of an invention form is described.In addition, the identical device of example in the past (Fig. 1) with above-mentioned with identical symbolic representation, and omits its detailed description.
Fig. 2 represents the cold-rolling equipment of the invention process form.
The roll coil of strip is prepared the basic comprising of regional CP (coil preparation) and rolling zone C RM (COLDRERERSE MILL) with identical in the past, but the 2nd of the devices for taking-up 9 of general's roll coil of strip preparation work line outlet side in the past and roll line entrance side batches decoiling equipment 11 and couples together, constitute by being provided with 2 decoiling equipments that batch that batch the so-called Calo-Jer form of decoiling equipment 20,11, like this, the roll coil of strip is prepared regional CP and rolling zone C RM just is connected.
That is, adopt the first volume to take away the devices for taking-up 9 that winding apparatus 20 replaces roll coil of strip preparation work line outlet side, and batch decoiling equipment 20 and batch decoiling equipment 11 (batching decoiling equipment) hereinafter referred to as the 2nd by 21 records the 1st of same framework.
This framework 21 batches the mid point of line that decoiling equipment 20 and the 2nd batches two axles of decoiling equipment 11 and disposes 3 gyroaxises 20 connecting the 1st, said frame 21 is that the center is turned round by not shown drive unit (oil hydraulic motor or oil hydraulic cylinder device etc.), with gyroaxis 22, by making 21 times turnbacks of framework, the 1st position and the 2nd of batching decoiling equipment 20 is batched the position of decoiling equipment 11 and just can be changed reposefully.
Constitute switching mechanism by said frame 21 and not shown drive unit here.
At this, in order to carry out that in the process of rolling last steel band 14 illusory material 23 is welded on operation on back steel band 10 front ends, be to have considered the maximum length of illusory material 23 and determine bonding machine 5 and the above-mentioned the 1st and the 2nd to batch the location matches size of decoiling equipment 20,21.
In addition, the roll coil of strip of this example is prepared regional CP such as above-mentioned shown in Figure 2, different with above-mentioned example in the past, at the upstream of bonding machine 5 configuration rotary side trimming shears 7 and limit portion milling drum 8 ', and do not use cleaning roller, but also can be with example was the same in the past, at the downstream of bonding machine layout circle disc type bead cutter 7 and cleaning roller 8 (also can be limit portion milling drum 8 ').That is to say that except outlet side devices for taking-up 9 in the past, the formation of roll coil of strip preparation work line also can be other any type of formation.
Below, effect of the cold-rolling equipment of above-mentioned formation etc. is described.
At rolling zone C RM, batching decoiling equipment 11 and the 3rd with the 2nd batches 12 pairs of last steel bands 14 of decoiling equipment and batches repeatedly and uncoiling, carry out with 13 pairs of last steel bands 14 of milling train reversible rolling during, with the same in the past, separate with this rolling operation, carry out uncoiling with steel band 10 behind 1 pair of the decoiling equipment, illusory material 23 is welded on the leading section of a back steel band 10 (with reference to Fig. 2) with bonding machine 5 again, it is batched the 1st successively and batch on the decoiling equipment 20, and illusory material 23 is welded on the rearward end of steel band 10 (with reference to Fig. 3), batch again the 1st and batch on the decoiling equipment 20, so, the roll coil of strip of illusory material 23 solder joints on steel band 10 ends prepared processing operation finishes.
Like this, although the roll coil of strip is prepared regional CP and rolling zone C RM couples together, but can be under the situation of the rolling operating rate that does not reduce last steel band 14, just can under the situation that does not stop milling train, carry out illusory material 23 solder joints in the leading section of a back steel band 10 and the operation on the rearward end in order to weld illusory material.
In addition, last steel band 14 rolling operation finish and batch the 3rd batch on the decoiling equipment 12 after, as shown in Figure 4, make 21 times turnbacks of framework, the 2nd batches decoiling equipment 11 just is transformed into the 1st and batches on the position of decoiling equipment, and the 1st batches decoiling equipment 20 just is transformed into the 2nd and batches on the position of decoiling equipment.
Then, batch 20 pairs of new steel bands of decoiling equipment 14 by the 1st and carry out uncoiling, carry out wearing the band operation, begin new rolling operation until what milling train 13 and the 3rd batched decoiling equipment 12.
Like this, can with the key factor of influence of rolled operating rate time, just the production line dwell time is set at the essentially identical level of situation in the past that is arranged with rolling production line branch.
That is to say, simply the roll coil of strip is being prepared under the situation that regional CP and rolling zone C RM couple together, for illusory material being bonded on first steel band tail end in rolling, before last steel band the 1st passage ends, produce unnecessary production line dwell time, on the other hand, as the present invention, by using slewing frame, in the last steel band operation of rolling, illusory material is bonded on the back steel band tail end, like this, just can not produce unnecessary production line dwell time.And, only make said frame 21 revolutions, just can make the roll coil of strip prepare regional CP solder joints the back steel band 10 of illusory material 23 enter rolling zone C RM, event can be simply and is carried out steel band 10 evenly and prepare the mobile operating of regional CP to rolling zone C RM from the roll coil of strip, and be placed on the other device owing to not needing to take out the roll coil of strip from the axle of batching decoiling equipment 20, or in the standby place (roll coil of strip placement place) goes up standby, so can significantly reduce with steel band possibility in this steel band generation defective when the roll coil of strip is prepared place CP and moved to rolling zone C RM.
In addition, since the roll coil of strip prepare to be provided on the regional CP rotary side trimming shears of sheared edge portion and be used to clear up the section that the shearing because of above-mentioned rotary side trimming shears produces burr cleaning roller or be used for that weld part is carried out grinding and make its smooth milling drum, can prevent that the welding bead because of end burr after cutting edge or weld part from damaging the working roll of milling train 13.Its result even the roll coil of strip is prepared regional CP and rolling zone C RM couples together, also can carry out cold rolling well.
At this, in above-mentioned explanation (Fig. 3), the situation of preparing regional CP illusory material 23 of solder joints on back steel band 10 ends at the roll coil of strip is illustrated, but also can carry out such roll coil of strip prepares to handle, promptly, make steel band 10 become the roll coil of strip preparation processing of long chi material to directly carrying out solder joints between the end of steel band 10 or carrying out solder joints by illusory material 23.
In addition, batch decoiling equipment 20 and the 2nd to the 1st and batch the switching mechanism that decoiling equipment 11 is changed, be not limited to two situations of batching decoiling equipment 11,20 of same framework 21 supportings of above-mentioned such usefulness.So long as the mechanism that takes the interlock mode to change two positions of batching decoiling equipment 11,20, constitute also passable by other mechanism.
For example, can adopt following mechanism, promptly support the 1st and batch framework that decoiling equipment 20 and the 2nd batches decoiling equipment 11 as shown in Figure 5, make framework 21A, 21B respectively, with not shown guiding mechanism or drive unit each framework 21A, 21B are moved along the direction of arrow shown in Figure 5, framework 21A, 21B are rotated in linkage, and make the 1st to batch two positions that decoiling equipment 20 and the 2nd batches decoiling equipment 11 and change mutually.
In addition, can not use the 1st and the 2nd to batch decoiling equipment 20,11 yet, directly pass milling train 13 sides and twist in the 3rd and batch on the decoiling equipment 12 the junior one root steel band that begins to operate.
Again, in above-mentioned example, be that the situation of even-numbered pass is illustrated to rolling pass, certainly, rolling pass is that odd-numbered pass is also passable.In this case, the steel band after prepare handling through the roll coil of strip batches decoiling equipment 11 and the 3rd the 2nd and batches between the decoiling equipment 12 and back and forth transport, and is rolled with milling train 13 simultaneously, twists in the 2nd behind rolling the finishing and batches on the decoiling equipment 11.
As described above, adopt cold-rolling equipment of the present invention, have following effect, promptly under the situation that does not reduce cold rolling operating rate, roll coil of strip preparation work and the rolling production line of reversible can be coupled together.
In addition, roll coil of strip preparation work line and the rolling production line of reversible are coupled together, also produce following effect.
(1) even omit the feeder of rolling production line, also can not increase the time of rolling production line.That is to say, can under the situation that does not reduce productivity ratio, omit feeder, can reducing the construction costs.
(2) roll coil of strip preparation work line and this two lines of the rolling production line of reversible are coupled together, can reduce the operation number.
(3) need be for not rolling and make several roll coil of strips of handling on the roll coil of strip preparation work line carry out standby.
(4) to move be to be contained in same axle of batching decoiling equipment to carry out to the roll coil of strip from roll coil of strip preparation work line to rolling production line, so carrying out can significantly reducing when this moves the probability that produces defective on the roll coil of strip.
In addition, adopt the invention of claim 2, have simplification and prepare the effect of zone to the roll coil of strip move operation in rolling zone from the roll coil of strip.
Again, adopt the invention of claim 4 or claim 5, have following effect: even roll coil of strip preparation work line and rolling production line are connected into a lines, also can not damage operation roll of mill, can be rolled operation well.
Claims (7)
1. cold-rolling equipment, this cold-rolling equipment has with lower device:
The decoiling equipment of steel band,
Engagement device, this device is configured in the downstream of above-mentioned steel band decoiling equipment, and be used for being joined together between the steel band, or steel band and illusory material are joined together,
The 1st steel coil strip takes away winding apparatus, and this device is configured in the downstream of above-mentioned engagement device,
Reversible mill, this milling train are configured in the downstream that above-mentioned the 1st steel coil strip takes away winding apparatus, be used for above-mentioned steel band is carried out cold rolling,
The 2nd steel coil strip takes away winding apparatus and the 3rd steel coil strip takes away winding apparatus, and they are configured in the upstream and downstream side of above-mentioned reversible mill respectively;
It is characterized in that having switching mechanism, its effect is to make above-mentioned the 1st steel coil strip take away winding apparatus and above-mentioned the 2nd steel coil strip to take away winding apparatus and move in linkage, and the position that the 1st and the 2nd steel coil strip takes away winding apparatus is changed.
2. the cold-rolling equipment in the claim 1, it is characterized in that, above-mentioned switching mechanism is to constitute like this, supports with same framework promptly that above-mentioned first steel coil strip takes away winding apparatus and above-mentioned the 2nd steel coil strip takes away winding apparatus, this framework is made can be turned round or mobile structure.
3. the cold-rolling equipment in the claim 1, it is characterized in that, above-mentioned engagement device will directly engage with the leading section of a back steel band with the rearward end of last steel band of above-mentioned decoiling equipment uncoiling, or is joined together by illusory material, perhaps engages illusory material on the leading section of steel band and rearward end.
4. the cold-rolling equipment in the claim 1 is characterized in that, above-mentioned engagement device has the cutter that the shear steel strap end portion uses and supplies with the illusory material feeding device that illusory material is used.
5. the cold-rolling equipment in the claim 4 is characterized in that, above-mentioned engagement device also has the grinding attachment that the grinding junction surface is used.
6. the cold-rolling equipment in the claim 4 is characterized in that, above-mentioned engagement device also has the rotary side trimming shears that sheared edge portion uses, or the cleaning roller used of burr of cleaning section.
7. the cold-rolling equipment in the claim 6 is characterized in that, above-mentioned engagement device also has limit portion milling drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991209915A CN1144629C (en) | 1999-11-29 | 1999-11-29 | Reversible cold rolling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991209915A CN1144629C (en) | 1999-11-29 | 1999-11-29 | Reversible cold rolling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1303747A true CN1303747A (en) | 2001-07-18 |
| CN1144629C CN1144629C (en) | 2004-04-07 |
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ID=5281751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991209915A Expired - Fee Related CN1144629C (en) | 1999-11-29 | 1999-11-29 | Reversible cold rolling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1144629C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100344406C (en) * | 2005-01-12 | 2007-10-24 | 钢铁研究总院 | Manufacturing method for high strength bailing band |
| CN100348363C (en) * | 2005-01-12 | 2007-11-14 | 钢铁研究总院 | Manufacturing device for high strength bailing band |
| WO2008116367A1 (en) * | 2007-03-28 | 2008-10-02 | Shanxi Taigang Stainless Steel Co., Ltd. | Method and system for welding a guiding strip with stainless steel coil |
| CN102649129A (en) * | 2011-02-24 | 2012-08-29 | 东芝三菱电机产业系统株式会社 | Compound production line and method of controlling the same |
| CN102836874A (en) * | 2011-06-23 | 2012-12-26 | 株式会社神户制钢所 | Rolling device and rolling method of short stacking material |
| CN102886647A (en) * | 2012-09-25 | 2013-01-23 | 中国钢研科技集团有限公司 | Steel strip edge processing method for high-frequency welded pipe and welded pipe production process |
| CN106926001A (en) * | 2017-05-04 | 2017-07-07 | 北京科技大学 | A kind of devices and methods therefor for improving high-carbon wire rod joint quality |
| CN107088580A (en) * | 2016-02-18 | 2017-08-25 | 丹尼尔和科菲森梅克尼齐有限公司 | Welding and rolling equipment for the combination of metal tape |
| CN108213960A (en) * | 2018-02-06 | 2018-06-29 | 湖南中冶长天重工科技有限公司 | Ring cold machine slewing frame processing tool and ring cold machine slewing frame processing method |
| CN113290053A (en) * | 2021-05-27 | 2021-08-24 | 江苏中基复合材料有限公司 | Secondary rerolling annealing device for flexible pasting type ceramic welding liner aluminum foil |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389897A (en) * | 2011-10-08 | 2012-03-28 | 攀钢集团攀枝花钢铁研究院有限公司 | Rolling method used for rolling strip steel of reversible mill |
-
1999
- 1999-11-29 CN CNB991209915A patent/CN1144629C/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100344406C (en) * | 2005-01-12 | 2007-10-24 | 钢铁研究总院 | Manufacturing method for high strength bailing band |
| CN100348363C (en) * | 2005-01-12 | 2007-11-14 | 钢铁研究总院 | Manufacturing device for high strength bailing band |
| WO2008116367A1 (en) * | 2007-03-28 | 2008-10-02 | Shanxi Taigang Stainless Steel Co., Ltd. | Method and system for welding a guiding strip with stainless steel coil |
| CN102649129A (en) * | 2011-02-24 | 2012-08-29 | 东芝三菱电机产业系统株式会社 | Compound production line and method of controlling the same |
| CN102649129B (en) * | 2011-02-24 | 2015-03-25 | 东芝三菱电机产业系统株式会社 | Compound production line and method of controlling the same |
| CN102836874B (en) * | 2011-06-23 | 2014-10-22 | 株式会社神户制钢所 | Rolling device and rolling method of short stacking material |
| CN102836874A (en) * | 2011-06-23 | 2012-12-26 | 株式会社神户制钢所 | Rolling device and rolling method of short stacking material |
| CN102886647A (en) * | 2012-09-25 | 2013-01-23 | 中国钢研科技集团有限公司 | Steel strip edge processing method for high-frequency welded pipe and welded pipe production process |
| CN107088580A (en) * | 2016-02-18 | 2017-08-25 | 丹尼尔和科菲森梅克尼齐有限公司 | Welding and rolling equipment for the combination of metal tape |
| CN107088580B (en) * | 2016-02-18 | 2020-05-15 | 丹尼尔和科菲森梅克尼齐有限公司 | Combined welding and rolling installation for metal strips |
| CN106926001A (en) * | 2017-05-04 | 2017-07-07 | 北京科技大学 | A kind of devices and methods therefor for improving high-carbon wire rod joint quality |
| CN106926001B (en) * | 2017-05-04 | 2023-01-10 | 北京科技大学 | Device and method for improving butt joint quality of high-carbon wire rod |
| CN108213960A (en) * | 2018-02-06 | 2018-06-29 | 湖南中冶长天重工科技有限公司 | Ring cold machine slewing frame processing tool and ring cold machine slewing frame processing method |
| CN108213960B (en) * | 2018-02-06 | 2023-05-26 | 湖南中冶长天重工科技有限公司 | Annular cooler revolving frame machining tool and annular cooler revolving frame machining method |
| CN113290053A (en) * | 2021-05-27 | 2021-08-24 | 江苏中基复合材料有限公司 | Secondary rerolling annealing device for flexible pasting type ceramic welding liner aluminum foil |
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| Publication number | Publication date |
|---|---|
| CN1144629C (en) | 2004-04-07 |
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