CN102950151A - Method and device for producing a cold pilgered pipe - Google Patents
Method and device for producing a cold pilgered pipe Download PDFInfo
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- CN102950151A CN102950151A CN2012102939903A CN201210293990A CN102950151A CN 102950151 A CN102950151 A CN 102950151A CN 2012102939903 A CN2012102939903 A CN 2012102939903A CN 201210293990 A CN201210293990 A CN 201210293990A CN 102950151 A CN102950151 A CN 102950151A
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000005096 rolling process Methods 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 claims description 44
- 238000003801 milling Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001143 conditioned effect Effects 0.000 claims description 2
- 238000013500 data storage Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 abstract description 8
- 238000005097 cold rolling Methods 0.000 abstract description 7
- 230000033001 locomotion Effects 0.000 description 7
- 238000012937 correction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 206010013647 Drowning Diseases 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001915 proofreading effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B21/00—Pilgrim-step tube-rolling, i.e. pilger mills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/04—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring thickness, width, diameter or other transverse dimensions of the product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention refers to a method and device for producing a cold pilgered pipe by means of a rolling mill. The device has a rolling pin that is mounted on at least one pin counter bearing, and at least two shaping tools, particularly outer rollers, which are engaged from outside at a pipe and a measuring device provided for determining outer diameter of a tube during the shaping process. At least one position adjusting device is operatively connected with the shaping tool and the position adjusting device is connected with the measuring device, so that position adjustment of at least one shaping tool in pilgered cold rolling is possible according to data obtained in forming processes.
Description
Technical field
The present invention relates to a kind of apparatus and method for make the Pilger cold rolled tube by means of milling train, it comprises and is bearing in rolling plug (Walzdorn) and at least two forming tools (Umformwerkzeug) that are applied to from the outside the pipe place (preferably at least one outer roller (Aussenwalze)) that at least one mandrel holder (Dornwiderlager) locates and the measurement mechanism that is used for determining the external diameter of pipe during forming process.
Background technology
The Pilger of pipe cold rolling (Kaltpilgern) is interpreted as a kind of method for seamless pipe is reprocessed final specification from original specification.The rolling purpose of Pilger is wall thickness and the external diameter of the pipe that reduces seamlessly to make.At this, raw material (so-called pipe (Rohrluppe)) are guided through rollers pair usually, and it has the bore (Kalibrierung) of taper and it implements to rotatablely move and feed motion on pipe intermittently.Rolling plug is placed in the inside of pipe.
Usually, in the situation of keeping narrow especially dimensional tolerance, make thus pipe.At production period, the change in size at product place may appear.Leave or left the margin of tolerance as long as the pipe diameter approaches, milling train is so far shut down and roll gap is corrected.The change in size that occurs fast may not identified when sampling Detection.When at least one fully other pipe be formed or milling train when again being stopped for size Control, just so also can realize affirmation about the size correction of success.At last, when each size correction, lost the production time, because milling train must be stopped.
The method of optics (as by means of laser grating) is suitable for the measurement of production tube diameter.
Yet the application without the measuring method of destroying that is used for the Pilger cold-rolling process is unknown from prior art.In addition, so far applied measuring method and follow this principle, namely realize being shaped and sampling after again check the result of this parameter variation after measuring and then seeking the opinion of single or multiple forming parameter of change in the situation of empirical value and being right after at last the forming process of another end.
Summary of the invention
Purpose of the present invention correspondingly provides a kind of automatable manufacture method and is suitable for this device, and it can make the position adjustment of at least one forming tool become possibility based on the measurement data that obtains during forming process when Pilger is cold rolling.
This purpose in meaning according to the present invention by means of the device of the feature that comprises claim 1 and comprise that the method for the feature of claim 14 realizes.Favourable design form of the present invention is placed in the corresponding dependent claims.
According to the present invention, this at least one apparatus for adjusting position effectively is connected with the forming tool that at least one is applied to the pipe place from the outside and position regulator is connected with measurement mechanism.This realizes by being connected that preferably wherein, this control module particularly preferably is connected with the data storage that is used for adjusting parameter and/or operational factor in the middle of control module between position regulator and the measurement mechanism.
According to the invention provides a kind of online device of (onlinefaehig) for the manufacture of the Pilger cold rolled tube, it can preferably almost be surveyed without delay forming results and the error that may occur and preferably also take suitable correction countermeasures during the forming process that continues thus.
At this, not only can monitor enduringly lasting forming process, and have in addition this possibility, namely can almost follow the trail of without delay and assess correction measure in the cards and adjusting measure and also introduce thus and implement required equally in case of necessity again correction.
For this reason, position regulator be connected with forming tool (preferably at least one outer roller) that at least one is applied to the pipe place from the outside and can be thus in desired mode and preferably utilize online measurement mechanism to cause and proofread and correct the roll gap setting.
In of the present invention one favourable design form, during forming process, determine pipe external diameter and value given in advance or with the deviation of the margin of tolerance.This particularly advantageously with measurement data be stored in the control module and situation that especially preset value in its memory and comparing data are complementary under realize.Therefore provide a kind of device, it automatically monitors the introducing of keeping and preferably also guarantee suitable measure of desired tolerance on whole deformation process.
This measurement mechanism is a kind of optical measuring system (such as laser measuring device for measuring) preferably, by means of its may utilize the device of special simply control and in the situation that obtains accurate especially measurement result without destroying ground and the external diameter of on-line measurement Pilger cold rolled tube reliably.
Usually, external diameter not only is determined in the fixing position of pipe.And the Pilger cold-rolling process causes that circumference of cannon bone reverses around the regular of its longitudinal axis.Therefore, the preferred fixing layout by measurement mechanism and can realize the measurement of whole periphery of the pipe of inswept shaping by pipe with respect to the relative motion that realizes thus of this measurement mechanism only.Implement to measure more than once, for example keeping in the situation of frequency of regulation when whole forming process is implemented repeatedly to measure when the place, the place of determining at pipe in addition, become preferred.Therefore, also can utilize simple device that the impact of possible measure error is minimized by detecting the measurement data of obtaining.
In of the present invention one preferred form of implementation, the forming tool that is applied to from the outside the pipe place is bearing at least one adjusting device place, and via it, roll gap can be conditioned and preferably also be fixed in this position.Thus preferably automatically and during forming process, guarantee reliably the again correction of again correcting property and the roll gap of device.
In the first alternative design form of the present invention, adjusting device can comprise can electric adjusting adjustment wedge (Verstellkeil), via its can be preferably infinitely in the situation that the device that can well control and provide is provided shape and the thickness with any appropriate regulate roll gap.
In alternative and same preferred the second form of implementation of the present invention, but adjusting device has the adjustment wedge that hydraulic pressure is adjusted, wherein, preferably for provide hydraulic fluid in rolling-mill housing from the pump that is furnished with it for this fluid.Thus, utilize simple and hold the stepless adjustment that manageable device provides roll gap equally.In addition, pump is reduced on the necessary minimum dimension in the compactedness of the preferred arrangement requirement configuration that rolling-mill housing originally is in and with the length of hydraulic fluid conduit.
In alternative and same preferred the 3rd form of implementation of the present invention, realize the adjustment of roll gaps and determine by means of one or more hydraulic cylinders.In this preferred form of implementation of the present invention, also can utilize simple and hold the stepless adjustment that manageable device is guaranteed roll gap.
In alternative and same preferred the 4th form of implementation of the present invention, yet realize the adjustment of roll gap via the installation of at least one backing roll of the forming tool that is used for being applied to from the outside the pipe place.The forming tool (preferably at least one outer roller) of avoiding thus acting on from the outside itself must be adjusted and be connected with adjusting device thus.And adjusting device can be connected with backing roll, in order to indirectly utilize thus same device simple and reliable control to guarantee the adjusting of roll gap.
In addition when realizing measurement data via cable and control in case of necessity data to the transmission of (a plurality of) adjusting device, become preferred thus.Yet in an alternative and same preferred mode, can realize this transmission with telemetry, in order to make thus the cable amount and this required structure space is minimized.Herein, in measurement data with control in case of necessity and also no longer need add shell (Kapselung) and the protection cable of cable to avoid impact from forming process itself in the situation of transmission of telemetry of data.
When capable of regulating not only this at least one is applied to the forming tool at pipe place from the outside, and when additionally rolling plug is arranged in the milling train adjustably, become preferred according to the present invention.For this reason, rolling plug is preferably same with measurement mechanism and be connected with control device in case of necessity.Guarantee that thus all instruments that participate in forming process can be appropriate to regulate each other on its position, in order to can obtain best possible forming results.Advantageously improve the flexibility that this device can be reacted the deviation of the wall thickness of pipe and/or external diameter and size given in advance by this preferred form of implementation of the present invention.
According to a second aspect of the invention, provide a kind of method for make the Pilger cold rolled tube by means of milling train, the measurement mechanism that it has the rolling plug that is bearing at least one mandrel holder place and at least two forming tools that are applied to from the outside the pipe place (preferably outer roller) and be used for determining the wall thickness of pipe during forming process.According to the present invention, this at least one position regulator that is used for being applied to from the outside the forming tool at pipe place so always determined the external diameter of pipe of shaping and value given in advance or is carried out the position adjustment during with the deviation of the margin of tolerance at coupled measurement mechanism.
Preferably, position regulator not only is connected with measurement mechanism, and is connected with control device, in order to implement the method according to this invention.
Utilize the obtainable advantage of the method according to this invention and the effect that can cause and beginning about illustrated corresponding of a first aspect of the present invention.
The method according to this invention becomes the preferably full automatic detection of external diameter of the pipe of shaping and may and revise determined deviation in suitable mode by the roll gap of again proofreading and correct between the outer roller in case of necessity.
Thus on the whole periphery of external diameter at pipe and when its whole length is determined, become preferred, wherein, in this device, be provided with at least one measurement mechanism, firm what a measurement mechanism of fixing preferably for this reason.Because this fact, namely realizing that in milling train circumference of cannon bone rotates (Teildrehung) around the part of its longitudinal axis, allows to the whole periphery of the pipe of inswept shaping by fixing measurement mechanism during in each feeding during the forming process.This utilizes especially simple device to realize and however draw reliable measurement result about the external diameter of whole pipe in addition.
At last when in executive basis method of the present invention not only outer roller but also the rolling plug arranged equally adjustably be adjusted so that when offsetting the deviation of wall thickness and value given in advance and the margin of tolerance, become preferred.Particularly advantageously improve thus and make this equipment and the method according to this invention can utilize the most effective means to treat to locate in any place and the flexibility of the deviation of any type.
Description of drawings
Next elaborate the present invention with reference to 14 accompanying drawings.
Wherein:
Fig. 1 has shown the schematic view of the rolling-mill housing in the first form of implementation of the present invention;
Fig. 2 has shown the schematic view according to the part of device of the present invention according to the first form of implementation;
Fig. 3 has shown the schematic view according to the rolling-mill housing of the second form of implementation of the present invention;
Fig. 4 has shown the schematic view according to the rolling-mill housing of the 3rd form of implementation of the present invention;
Fig. 5 has shown the schematic view according to device of the present invention according to the 3rd form of implementation of the present invention;
Fig. 6 has shown the schematic view according to the rolling-mill housing of the 4th form of implementation of the present invention;
Fig. 7 has shown the schematic view according to the rolling-mill housing of the 5th form of implementation of the present invention;
Fig. 8 has shown the schematic view according to the rolling-mill housing of the 6th form of implementation of the present invention;
Fig. 9 has shown the schematic side view according to the rolling-mill housing of the 7th form of implementation of the present invention;
Figure 10 has shown the schematic side view according to the rolling-mill housing of the 8th form of implementation of the present invention;
Figure 11 has shown the schematic side view according to the rolling-mill housing of the 9th form of implementation of the present invention;
Figure 12 has shown the schematic side view according to the rolling-mill housing of the tenth form of implementation of the present invention;
Figure 13 has shown the schematic side view according to the rolling-mill housing of the 11 form of implementation of the present invention; And
Figure 14 has shown the schematic side view according to the rolling-mill housing of the 12 form of implementation of the present invention.
The implementation form
Fig. 1 has shown the schematic view according to the cold rolling rolling-mill housing 4 of the Pilger that is used for pipe of the first form of implementation of the present invention.So be furnished with the outer roller 4a on top and the outer roller 4b of bottom in that rolling-mill housing 4 is interior, so that between them, realize being used for passing and being used for (unshowned) pipe and stretching and reduce (Streckreduzieren) to the cross section that limits before and the roll gap S on the definite wall thickness in advance of (unshowned) rolling plug.The outer roller 4a on top can regulate up and down movably via card wedge (Klemmkeil) 7a, so that the size that therefore can regulate suitably roll gap S.Via realizations that rotatablely move of the main shaft 14 that effectively is connected with card wedge 7a, main shaft 14 extends through whole rack framework (Geruestrahmen) 4 and blocks wedge 7a again in the adjustment of card wedge 7a.The rotation of main shaft 14 cause card wedge 7a left or the inclined-plane of right motion and card wedge 7a with respect to the slip of (it directly is connected with assembly parts for outer roller 4a) of the inclined-plane of the complementation of card wedge 7b.
Fig. 2 has shown the rolling-mill housing 4 according to form of implementation shown in Figure 1, and it is with the pipe 8 that passes between the working roll 4b of the working roll 4a on top and bottom.For simplicity of illustration, be not presented at same employed rolling plug in the applied cold rolling process.In the accompanying drawings, the roll gap S between the roller 4b of the pipe 8 roller 4a that extend through from left to right on top and bottom and entering in the measurement mechanism 5 after realizing being shaped manages therein 8 external diameter and is determined.Measurement data from measurement mechanism 5 enters in the control device 6, and it causes the control instruction of regulating roll gap S for via the motion of working roll 4a on the direction of arrow 15 on top in case of necessity after taking suitable service data.
Fig. 3 has shown the schematic side view according to the rolling-mill housing 4 of the second form of implementation of the present invention, wherein, the adjustment wedge 7a that is used for the roller 4a on top can be moved by means of motor 16 electric or hydraulic pressure, 17, in order to finally cause the adjusting of roll gap S in the mode of expectation.
Fig. 4 has shown the schematic side view of the rolling-mill housing 4 in the 3rd form of implementation of the present invention, and is different from the first and second forms of implementation according to Fig. 1 to 3 therein, realizes adjusting the lateral movement of wedge 7a via hydraulic cylinder 18,19.In this case, card wedge 7a lateral movement in the horizontal direction also causes vertical motion and the therefore final adjusting that causes roll gap S in the mode of expecting of the working roll 4a on top.
Fig. 5 has shown the variant according to the form of implementation of the rolling-mill housing 4 of Fig. 4, and pump 20 (it is driven by pump motor 21 again) is controlled to hydraulic cylinder 18,19 oil stream therein.Therefore in a preferred manner, not only pump 20 but also motor 21 are connected with rolling-mill housing 4 regularly, in order to will be restricted on the minimum degree that needs with whole structure spaces of the rolling-mill housing 4 of auxiliary implements.
Fig. 6 has shown the schematic side view according to the rolling-mill housing 4 of the 4th form of implementation of the present invention.Hydraulic cylinder 22 directly and do not using in the situation of card wedge etc. with acting on the working roll 4 that supports top and being used for the mechanism that regulates roll gap S in the mode of expectation.The Height Adjustment of piston in hydraulic cylinder 22 realizes by supplying with the hydraulic fluid that is under the pressure P from external source.
Fig. 7 has shown the schematic side view of the rolling-mill housing 4 in the 5th form of implementation of the present invention.Roll gap S is adjusted in this and realizes via main shaft 23 via the Height Adjustment of the working roll 4a on top, and it is with the mechanism that acts on the working roll 4a that supports top.Main shaft 23 drives by means of motor 24 again and therefore not only causes the step-less adjustment of roll gap S on the height of working roll 4a, and causes equally working roll 4a the fixing in desired position on top.
Fig. 8 has shown the schematic side view of the rolling-mill housing 4 in the 6th form of implementation of the present invention, wherein, stops Power supply to servo drive (Stellantrieb) itself at this.Therefore it should be understood that this form of implementation also can be combined with the form of implementation of suitable mode and Fig. 1 to 7.The Power supply of rolling-mill housing 4 is realized to the interface 26 that is fixedly connected with rolling-mill housing 4 via external source 25.From this interface 26, energy is provided to the servo drive that (unshowned) is used for the outer roller 4a on top.
Fig. 9 has shown the schematic side view of the rolling-mill housing 4 in the 7th form of implementation of the present invention, wherein, be used for the form that the electric energy of the servo drive of top roll 4a is supplied with as among Fig. 8, stopping to rolling-mill housing 4 with to its (unshowned) herein.Therefore, the 7th form of implementation of the present invention equally can be in suitable mode with combined in the form of implementation shown in Fig. 1 to 7.In the situation shown here, electric energy is supplied with inductively and is realized, wherein, electric conductor 27 is in effective the connection so each other with the electrical appliance (Abnehmer) 28 that is connected with rolling-mill housing 4, so that in electrical appliance 28 not with situation that conductor 27 contacts under induced voltage, it enough is used for being used for for (unshowned) servo drive of the outer roller 4a that is applied to top the suitable adjusting of roll gap.
Figure 10 illustrates the schematic side view according to the rolling-mill housing 4 of the 8th form of implementation of the present invention.In this form of implementation, also stop rolling-mill housing 4 and the Power supply of (unshowned) servo drive of its working roll 4a that is used for top especially.Therefore, the 8th form of implementation also can be in suitable mode with combined in the form of implementation shown in Fig. 1 to 7.In the 8th form of implementation, the Power supply of rolling-mill housing 4 is realized hydraulically that via drowning pipe (Tauchrohr) 29 it is supplied with the hydraulic fluid that is under the pressure P from the outside.Drowning pipe 29 thereon side place has two borings, and hydraulic fluid can enter in the fluid reservoir (Fluidreservoir) 30 that is bearing in slidably on the drowning pipe 29 via it.This fluid reservoir is connected with rolling-mill housing 4 regularly and has opening 30a at its downside place, and the hydraulic fluid that is under the pressure P can be transported to (unshowned) servo drive for the outer roller 4a on top via it.
Figure 11 has shown the schematic side view according to the rolling-mill housing 4 of the 9th form of implementation of the present invention.In the 9th form of implementation, also stop the Power supply to (the especially outer roller 4a on its top) (unshowned) servo drive of rolling-mill housing.Therefore, the 9th form of implementation when needed also can be with of the present invention combined in the form of implementation shown in Fig. 1 to 7.Power supply is electric and/or hydraulically realization in schematically illustrated here mode, and wherein, for electric and Power supply hydraulic pressure, energy source 31 and/or pressure reservoir 32 are connected with rolling-mill housing 4 regularly.
Figure 12 has shown the schematic side view according to the rolling-mill housing 4 of the tenth form of implementation of the present invention.The tenth form of implementation has stopped control data and measurement data from (unshowned) measurement mechanism and/or (unshowned) control device to (unshowned) servo drive of rolling-mill housing 4, especially to the transmission of the servo drive of outer roller 4a, the 4b on top.Therefore certainly, the tenth form of implementation can be in suitable mode and of the present invention combined in the form of implementation shown in Fig. 1 to 11.The shown here transmission of control data and measurement data realizes by means of cable or telemetry, wherein, the data that realize (unshowned) measurement mechanism and/or (unshowned) control device in preferred the tenth form of implementation of the present invention are via transmitter 33 telemetries ground, contactlessly be passed to the receiver 34 that is connected with rolling-mill housing 4.
Figure 13 illustrates the schematic side view according to the rolling-mill housing of the 11 form of implementation of the present invention.Be different from the form of implementation that illustrates so far, rolling-mill housing 4 has paired corresponding outer roller 4a, the 4b that arranges movably, and it is corresponding to be supported in the rolling-mill housing 4 by backing roll 35a, 35b.These backing rolls move at height and/or gradient the brace summer 36a, the 36b that are arranged in adjustably in the rolling-mill housing 4 again, wherein, the adjusting that also can be implemented in the roll gap S between outer roller 4a top and the bottom, the 4b of suitable height and/or the pitch adjustment by brace summer 36a, 36b.Especially laterally in the situation of the rolling-mill housing of vertically arranging movably of brace summer 36a, 36b, thus suitable situation lower backing roll 35a, the 35b of brace summer 36a, 36b orientation along the constant adjusting of the rolling of brace summer 36a, 36b and roll gap S or but the adjusting of the position changeable of roll gap S can regulate along the layout of brace summer 36a, 36b according to rolling-mill housing 4.It should be understood that for expert itself the 11 form of implementation that illustrates also can be in suitable mode with combined according to the feature of Fig. 1 to 12 herein.
Figure 14 illustrates the schematic side view according to the rolling-mill housing 4 of the 12 form of implementation of the present invention.In this solution, slide at fixing axle 38 with rolling-mill housing 4 mobile gear or gear mesh 37.The variation of roll gap S can be delivered to by fixing motor 39 thus and adjust on the wedge 7a, wherein, adjusts wedge 7a and effectively is connected with gear mesh 37 via main shaft 40.
Claims (20)
1. device (1) that is used for making by means of milling train Pilger cold rolled tube (8), it comprises rolling plug (2) and at least two forming tools (4) that are applied to from the outside described pipe place that are bearing at least one mandrel holder place, at least one outer roller (4a preferably, 4b) and be used for during forming process, determining the measurement mechanism (5) of the external diameter of described pipe (8), it is characterized in that at least one position regulator (7) is applied to from the outside with at least one that forming tool (4) that described pipe (8) locates effectively is connected and described position regulator (7) is connected with described measurement mechanism (5).
2. device according to claim 1 (1) is characterized in that, described position regulator (7) is connected with described measurement mechanism (5) via control module (6).
3. device according to claim 2 (1) is characterized in that, described control module (6) is connected with the data storage that is used for adjusting parameter and/or operational factor.
4. according to each described device (1) in the aforementioned claim, it is characterized in that, preferably during described forming process, can determine wall thickness and value given in advance or with the deviation of the margin of tolerance.
5. according to each described device (1) in the aforementioned claim, it is characterized in that described measurement mechanism (5) is laser measuring device for measuring.
6. according to each described device (1) in the aforementioned claim, it is characterized in that, being applied to from the outside described forming tool (4) that described pipe (8) locates is bearing at least one position regulator (7) and locates, via described position regulator (7), the roll gap (S) between described forming tool (4) and the described pipe (8) can be conditioned and be preferably fixing.
7. device according to claim 6 (1) is characterized in that, described adjusting device (7) comprise can electric adjusting adjustment wedge (7a, 7b).
8. device according to claim 6 (1) is characterized in that, described adjusting device (7) but comprise the adjustment wedge (7a, 7b) of hydraulic regulation, wherein, the pump (20) that is used for hydraulic fluid preferably is arranged in rolling-mill housing.
9. device according to claim 6 (1) is characterized in that, described adjusting device (7) comprises for the hydraulic cylinder (22) of adjusting and determine described roll gap (S).
10. device according to claim 6 (1), it is characterized in that, described adjusting device (7) is via at least one adjustable backing roll (35a, 35b) be effectively connected at least one be applied to from the outside forming tool (4) that described pipe (8) locates, preferably at least one outer roller (4a, 4b).
11. according to each described device (1) in the aforementioned claim, it is characterized in that, can cause measurement data and control in case of necessity the transmission of data by means of cable or telemetry.
12. according to each described device (1) in the aforementioned claim, it is characterized in that additionally described rolling plug (2) is arranged in the described milling train adjustably.
13. device according to claim 12 (1) is characterized in that, described rolling plug (2) is same with described measurement mechanism (5) and be connected with described control device (6) in case of necessity.
14. method (1) that is used for making by means of milling train Pilger cold rolled tube (8), it comprises that the rolling plug (2) that is bearing at least one mandrel holder place and at least two are applied to the forming tool (4) that described pipe (8) is located from the outside, at least one outer roller (4a preferably, 4b) and be used for during forming process, determining the measurement mechanism (5) of the wall thickness of described pipe (8), it is characterized in that, be used for described at least one position regulator (7) that is applied to from the outside the forming tool (4) that described pipe (8) locates, described at least one outer roller (4a preferably, 4b) be connected with described measurement mechanism (5), if and described measurement mechanism (5) determine described wall thickness and value given in advance or with the deviation of the margin of tolerance, carry out so the position of described forming tool (4) and adjust.
15. method according to claim 14 is characterized in that, control device (6) is connected with described position regulator (7) with described measurement mechanism (5).
16. according to claim 14 or 15 described methods, it is characterized in that the position that is applied to from the outside the described forming tool (4) that described pipe (8) locates during described forming process is adjusted.
17. each described method in 16 is characterized in that according to claim 14, manages the laser measurement of diameter.
18. each described method in 17 is characterized in that according to claim 14, determines external diameter at the whole periphery of described pipe (8).
19. method according to claim 18 is characterized in that, rotates and/or carry out at least one measurement, preferably at least 5 measurements during each feeding in described milling train around each part of its longitudinal axis at described pipe (8).
20. each described method in 19 is characterized in that according to claim 14, additionally adjusts described rolling plug (2), so as to offset described wall thickness and value given in advance or with the deviation of the margin of tolerance.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011110938.6 | 2011-08-17 | ||
| DE102011110938A DE102011110938A1 (en) | 2011-08-17 | 2011-08-17 | Method and device for producing cold pilgered pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102950151A true CN102950151A (en) | 2013-03-06 |
Family
ID=46465006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102939903A Pending CN102950151A (en) | 2011-08-17 | 2012-08-17 | Method and device for producing a cold pilgered pipe |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20130042660A1 (en) |
| EP (1) | EP2559497A2 (en) |
| JP (1) | JP2013039620A (en) |
| CN (1) | CN102950151A (en) |
| CA (1) | CA2783441A1 (en) |
| DE (1) | DE102011110938A1 (en) |
| RU (1) | RU2507015C1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108884334A (en) * | 2015-10-29 | 2018-11-23 | 电力研究所有限公司 | Method for generating corrosion-resistant zinc-metal oxide layer in metal parts |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013109218A1 (en) * | 2013-08-26 | 2015-02-26 | Sandvik Materials Technology Deutschland Gmbh | Cold pilger rolling mill and method of forming a billet into a tube |
| KR101640221B1 (en) * | 2014-04-21 | 2016-07-29 | 칼텍(주) | Workpiece outside diameter measuring device for ring mill |
| KR101552514B1 (en) | 2014-04-25 | 2015-09-14 | 한전원자력연료 주식회사 | Gap controlling device for a pilger die assembly of cold pilger rolling mills |
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- 2012-07-20 CA CA2783441A patent/CA2783441A1/en not_active Abandoned
- 2012-08-16 RU RU2012135288/02A patent/RU2507015C1/en not_active IP Right Cessation
- 2012-08-16 US US13/587,114 patent/US20130042660A1/en not_active Abandoned
- 2012-08-17 JP JP2012180749A patent/JP2013039620A/en active Pending
- 2012-08-17 CN CN2012102939903A patent/CN102950151A/en active Pending
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| JPS61162305U (en) * | 1985-03-29 | 1986-10-08 | ||
| CN2084397U (en) * | 1990-10-16 | 1991-09-11 | 青岛建筑工程学院 | Integral pressing cold rolling machine frame |
| JPH0647408A (en) * | 1992-06-17 | 1994-02-22 | Westinghouse Electric Corp <We> | Pilger molding device and its operation monitoring device |
| JPH0747411A (en) * | 1993-05-03 | 1995-02-21 | General Electric Co <Ge> | Measuring device for mandrel of pilger rolling mill |
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Also Published As
| Publication number | Publication date |
|---|---|
| RU2507015C1 (en) | 2014-02-20 |
| CA2783441A1 (en) | 2013-02-17 |
| DE102011110938A1 (en) | 2013-02-21 |
| JP2013039620A (en) | 2013-02-28 |
| EP2559497A2 (en) | 2013-02-20 |
| US20130042660A1 (en) | 2013-02-21 |
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Application publication date: 20130306 |