CN113263053A - Repairing method for plate roller of foil rolling mill - Google Patents
Repairing method for plate roller of foil rolling mill Download PDFInfo
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- CN113263053A CN113263053A CN202010094696.4A CN202010094696A CN113263053A CN 113263053 A CN113263053 A CN 113263053A CN 202010094696 A CN202010094696 A CN 202010094696A CN 113263053 A CN113263053 A CN 113263053A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000011888 foil Substances 0.000 title claims abstract description 26
- 238000005096 rolling process Methods 0.000 title claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 23
- 230000008439 repair process Effects 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000005299 abrasion Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 20
- 238000000227 grinding Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 11
- 230000004224 protection Effects 0.000 claims description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims 1
- 230000008961 swelling Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- 230000009191 jumping Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Classifications
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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
- B21B1/40—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 foils which present special problems, e.g. because of thinness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B28/00—Maintaining rolls or rolling equipment in effective condition
- B21B28/02—Maintaining rolls in effective condition, e.g. reconditioning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B2003/001—Aluminium or its alloys
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention belongs to the technical field of repair methods of aluminum foil production equipment, and discloses a repair method of a plate roller of a foil rolling mill, which comprises the following steps: s1, removing the bearing: taking out the bearing at the shaft shoulder abrasion position of the plate-shaped roller; s2, surfacing: carrying out surfacing welding on the shaft shoulder abrasion position of the plate roller; s3, installing and positioning an end cover; and S4, clamping the plate roller and blanking. Compared with the prior art, the invention ensures the welding safety of the plate-shaped roller by designing a special positioning end cover to be matched with the plate-shaped roller for machining and designing a plurality of welding and cooling processes. The method for repairing the plate-shaped roller of the foil mill has the advantages of short repairing time, low repairing cost and good repairing effect.
Description
Technical Field
The invention belongs to the technical field of repair methods of aluminum foil production equipment, and particularly relates to a repair method of a plate-shaped roller of a foil rolling mill.
Background
The plate type roller is a key part for controlling the quality of a rolled plate type, and after the position of a plate type roller shaft is worn, the bearing runs an inner ring, so that the jumping is large. In order to solve this problem, the plate roll needs to be replaced or removed for repair, but the plate roll is 700 ten thousand in value, and the removal for repair takes a long time, which is expensive.
Therefore, there is a need to provide a new method for repairing a plate roll of a foil mill to solve the above-mentioned problems.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a low-cost, safe and reliable method for repairing a plate roller of a foil rolling mill.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a method for repairing a plate roller of a foil mill comprises the following steps:
s1, removing the bearing: taking out the bearing at the shaft shoulder abrasion position of the plate-shaped roller;
s2, surfacing: carrying out surfacing welding on the shaft shoulder abrasion position of the plate roller;
an air passage is arranged in the plate roller, and during surfacing, the first welding cooling protection is realized by passing carbon dioxide gas in the air passage;
s3, installing and positioning end cover
A first connecting disc is arranged on the outer side of the plate roller, a first positioning pin hole penetrating through the first connecting disc is formed in the first connecting disc, and a first connecting hole is formed in the first connecting disc;
the positioning end cap includes: the end cover comprises a cylindrical end cover main body, a thimble hole formed by sinking one end of the end cover main body, and a second connecting disc formed by extending the outer cylindrical surface of the end cover main body, wherein the second connecting disc is provided with a second positioning pinhole and a second connecting hole;
the positioning between the plate-shaped roller and the positioning end cover is realized by simultaneously penetrating the first positioning pin hole and the second positioning pin hole through a positioning pin shaft, the connection between the plate-shaped roller and the positioning end cover is realized by simultaneously penetrating the first connecting hole and the second connecting hole through a plurality of threaded connecting pieces, and after the connection, the positioning end cover and the plate-shaped roller are in a coaxial state;
s4, plate roller clamping and blanking processing
Plate type roller clamping: installing the integrally connected plate-shaped roller and the positioning end cover on a grinding machine or a lathe, wherein a machine tool thimble for positioning a shaft sleeve part is arranged on the grinding machine or the lathe, and the machine tool thimble is inserted into the thimble hole to be used for positioning the axial center of the plate-shaped roller; adjusting the plate type roller runout amount and controlling the plate type roller runout amount to be less than or equal to 0.02 mm;
blanking processing: blanking the journal overlaying part of the plate-shaped roller by the grinding machine or the lathe, wherein the tolerance requirement of the plate-shaped roller is k7, and the Ra value is 0.05 mm; and finishing the repair of the plate roller after the blanking process is qualified.
Preferably, the method for repairing the plate roll of the foil mill further comprises the following steps:
s5, bearing installation: the process is used for reinstalling the bearing detached in the step S1 on the repaired plate-type roller, wherein a sealing ring is arranged outside the plate-type roller, and when the bearing is installed, the position of the sealing ring is firstly adjusted to enable the sealing ring to be in an effective sealing state, and then the bearing is reinstalled on the repaired plate-type roller;
s6, adjusting the mounting precision: after the bearing is installed, the installation precision of the plate-shaped roller is adjusted, and the levelness of the plate-shaped roller is controlled within 0.02 mm;
s7, operation vibration adjustment: setting the speed of the plate type roller to be 100m/min, operating, adjusting the vibration frequency at the same time, actually detecting the vibration within the range of 0.02mm/s, after operating for 1 hour, raising the speed to the highest rolling matching speed of 700m/min, and if the vibration is controlled to be 0.03mm/s, indicating that the operation vibration adjustment meets the requirements, and completing the operation debugging.
Preferably, in step S1, the bearing is taken out by applying pressure oil to the inner ring of the bearing to expand the bearing.
Preferably, in step S1, the pressure of the pressure oil for expanding the bearing is 5 Mpa; the bearing is NU 1022.
Preferably, in step S2, during the overlay welding, a water-absorbing sponge is disposed on an outer sidewall of the plate roller to realize a second welding cooling protection.
Preferably, the number of the positioning pin holes in the positioning end cover is 1-4.
Preferably, the number of the connecting holes in the positioning end cover is 3-5; the connecting hole is a step hole.
Preferably, in step S5, the bearing is electromagnetically heated to 95 to 110 °, and after the bearing inner ring is heated and expanded, the bearing inner ring is mounted without force.
Preferably, in step S5, the seal ring is a mechanical seal ring.
Preferably, the thimble hole comprises a conical hole and a cylindrical hole which are communicated.
Compared with the prior art, the invention ensures the welding safety of the plate-shaped roller by designing a special positioning end cover to be matched with the plate-shaped roller for machining and designing a plurality of welding and cooling processes. The method for repairing the plate-shaped roller of the foil mill has the advantages of short repairing time, low repairing cost and good repairing effect.
Drawings
FIG. 1 is a block diagram of a plate roll and associated components of the present invention;
FIG. 2 is a front view of the positioning end cap of the present invention;
fig. 3 is a sectional view taken along line a-a of fig. 2.
In the figure:
the device comprises a plate-shaped roller 1, an equipment signal output converter 2, a bearing seat 3, a positioning end cover installation part 4, a driving motor 5, an aviation plug 6, a positioning end cover 7, an end cover main body 71, a second connecting disc 72, a top pin hole 711, a second positioning pin hole 721 and a second connecting hole 722.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1-3, a method for repairing a plate roll of a foil mill comprises the following steps:
s1, removing the bearing: and taking out the bearing at the position where the shaft shoulder of the plate-type roller 1 is worn, wherein the bearing is positioned in the bearing seat 3.
Specifically, the bearing is taken out by pumping pressure oil to an inner ring of the bearing to expand the bearing. The pressure value of the pressure oil for expanding the bearing is 5 Mpa; the bearing is NU 1022.
S2, surfacing: and carrying out surfacing welding on the shaft shoulder abrasion position of the plate-shaped roller 1.
Be equipped with the air flue in the plate type roller 1, during the build-up welding, through in the air flue realize first welding cooling protection through carbon dioxide gas.
Specifically, in step S2, during the build-up welding, a water-absorbing sponge is disposed on the outer sidewall of the plate roller 1 to realize the second welding cooling protection.
S3, mounting and positioning the end cap 7:
the outer side of the plate-shaped roller 1 is provided with a first connecting disc, the first connecting disc is provided with a first positioning pin hole penetrating through the first connecting disc, and the first connecting disc is further provided with a first connecting hole.
The positioning end cap 7 includes: the end cover comprises a cylindrical end cover main body 71, an ejector pin hole 711 formed by sinking one end of the end cover main body 71, and a second connecting disc 72 formed by extending the outer cylindrical surface of the end cover main body 71, wherein a second positioning pin hole 721 and a second connecting hole 722 are arranged on the second connecting disc 72; the number of the positioning pin holes in the positioning end cover 7 is 1-4. The number of the connecting holes in the positioning end cover 7 is 3-5; the connecting hole is a step hole. The top pin hole 711 includes a conical hole and a cylindrical hole which are communicated with each other.
Run through simultaneously through a locating pin axle first locating pin hole and one second locating pin hole 721 realizes the board type roller 1 with location between the end cover 7 runs through simultaneously through a plurality of threaded connection spare first connecting hole with second connecting hole 722 realizes the board type roller 1 with be connected between the end cover 7, connect the back, end cover 7 with board type roller 1 is in coaxial state.
S4, clamping and blanking of plate roller 1
Clamping the plate roller 1: installing the integrally connected plate-type roller 1 and the positioning end cover 7 on a grinding machine or a lathe, wherein the grinding machine or the lathe is provided with a machine tool thimble for positioning a shaft sleeve part, and the machine tool thimble is inserted into the thimble hole 711 and used for positioning the axial center of the plate-type roller 1; and adjusting the jumping amount of the plate-shaped roller 1, and controlling the jumping amount of the plate-shaped roller 1 to be less than or equal to 0.02 mm.
Blanking processing: blanking the journal overlaying part of the plate-shaped roller 1 by the grinding machine or the lathe, wherein the tolerance requirement of the plate-shaped roller 1 is k7, and the Ra value is 0.05 mm; and finishing the repair of the plate roller 1 after the blanking process is qualified.
S5, bearing installation: the process is used for reinstalling the bearing detached in the step S1 on the repaired plate type roller 1, wherein a sealing ring is arranged outside the plate type roller 1, when the bearing is installed, the position of the sealing ring is firstly adjusted to enable the sealing ring to be in an effective sealing state, and then the bearing is reinstalled on the repaired plate type roller 1; specifically, in step S5, the bearing is electromagnetically heated to 95 to 110 °, and after the bearing inner ring is heated and expanded, the bearing is mounted without force. The sealing ring is a mechanical sealing ring.
S6, adjusting the mounting precision: after the bearing is installed, the installation precision of the plate-shaped roller 1 is adjusted, and the levelness of the plate-shaped roller 1 is controlled within 0.02 mm.
S7, operation vibration adjustment: setting the speed of the plate type roller 1 to be 100m/min and operating, adjusting the vibration frequency during operation, actually detecting the vibration within the range of 0.02mm/s, after operating for 1 hour, raising the speed to the highest rolling matching speed of 700m/min, and if the vibration is controlled to be 0.03mm/s, indicating that the operation vibration adjustment meets the requirements and completing the operation debugging.
The invention is illustrated below by means of a practical case of a repair of the plate roll 1.
The 17# rolling mill plate type roller 1 of Chengtong science and technology group Limited company jumps greatly, and the fluctuation of the plate type curve is large, the plate type quality cannot be controlled, and the search reason is the abrasion of the bearing position of the plate type roller 1. The value of the plate-type roller is 700 ten thousand, the repair time outside commission is long, the cost is high, the repair method of the plate-type roller of the foil mill is used for self-repair, the repair time is short, the cost is greatly reduced, and the specific repair process is as follows:
1. because the aviation plug 6 provided with the equipment signal output converter 2 is arranged at one end of the plate-type roller 1 and the output end is provided with the central hole, the plate-type roller 1 cannot be machined on a lathe after surfacing. In order to compensate for this drawback, positioning end caps 7 are produced which can be connected to the plate-shaped roll 1, so as to ensure that the plate-shaped roll 1 can be positioned on the lathe. One end of the plate-shaped roller 1 is provided with a driving motor 5, and when the plate-shaped roller 1 is used for loading and unloading materials, the driving motor 5 needs to be detached.
And finishing the processing and manufacturing of the positioning end cover 7 according to the structural diagram of the positioning end cover 7. During manufacturing, the precision of the positioning end cover 7 needs to be ensured, so that the subsequent matching of the positioning end cover 7 and a machine tool thimble is facilitated, and the center of the plate-type roller 1 is determined. It should be noted that, because the processing of the positioning end cap 7 requires a certain period, the positioning end cap 7 can be manufactured in advance for standby according to the production situation. The positioning end cap 7 includes: the end cover comprises a cylindrical end cover main body 71, an ejector pin hole 711 formed by sinking one end of the end cover main body 71, and a second connecting disc 72 formed by extending the outer cylindrical surface of the end cover main body 71, wherein a second positioning pin hole 721 and a second connecting hole 722 are arranged on the second connecting disc 72; the number of the positioning pin holes in the positioning end cover 7 is 1-4. The number of the connecting holes in the positioning end cover 7 is 3-5; the connecting hole is a step hole. The top pin hole 711 includes a conical hole and a cylindrical hole which are communicated with each other.
2. Removing the bearing: taking out the bearing at the shaft shoulder abrasion position of the plate-shaped roller 1; the extraction of the bearing is achieved by pumping oil under pressure of 5Mpa to the inner ring of the bearing to expand the NU1022 bearing.
3. Surfacing: overlaying the wear position of the shaft shoulder of the plate roller 1; during overlaying, in order to avoid high temperature damage to components such as pressure sensing lines in the plate-shaped roller 1 during welding, two welding protections are adopted. An air passage is arranged in the plate-shaped roller 1, and during surfacing, the first welding cooling protection is realized by passing carbon dioxide gas in the air passage; and the outer side wall of the plate-shaped roller 1 is provided with a water-absorbing sponge to realize the second welding cooling protection.
4. The positioning end cap 7 is installed. A first connecting disc is arranged on the outer side of the plate-shaped roller 1, a first positioning pin hole penetrating through the first connecting disc is formed in the first connecting disc, and a first connecting hole is formed in the first connecting disc; run through simultaneously through a locating pin axle first locating pin hole and one second locating pin hole 721 realizes the board type roller 1 with location between the end cover 7 runs through simultaneously through a plurality of threaded connection spare first connecting hole with second connecting hole 722 realizes the board type roller 1 with be connected between the end cover 7, connect the back, end cover 7 with board type roller 1 is in coaxial state.
5. Clamping the plate roller 1: installing the integrally connected plate-type roller 1 and the positioning end cover 7 on a grinding machine or a lathe, wherein the grinding machine or the lathe is provided with a machine tool thimble for positioning a shaft sleeve part, and the machine tool thimble is inserted into the thimble hole 711 and used for positioning the axial center of the plate-type roller 1; adjusting the jumping amount of the plate-shaped roller 1, and controlling the jumping amount of the plate-shaped roller 1 to be less than or equal to 0.02 mm;
6. blanking processing: blanking the journal overlaying part of the plate-shaped roller 1 by the grinding machine or the lathe, wherein the tolerance requirement of the plate-shaped roller 1 is k7, and the Ra value is 0.05 mm; and finishing the repair of the plate roller 1 after the blanking process is qualified.
7. Installing a bearing: the process is used for reinstalling the bearing detached before on the repaired plate type roller 1, a mechanical sealing ring is arranged outside the plate type roller 1, when the bearing is installed, the position of the mechanical sealing ring is firstly adjusted to enable the mechanical sealing ring to be in a high-precision sealing state, and then the bearing is installed on the repaired plate type roller 1; when the bearing is installed, the bearing is heated to 95-110 degrees by adopting electromagnetism, and after the inner ring of the bearing is heated and expanded, the bearing is installed in a powerless propelling mode, so that the bearing is in an optimal state. It should be noted that, during operation, the temperature for heating the bearing needs to be well grasped, and too high temperature has an influence on the quality of the bearing, and too low temperature is difficult to realize non-thrust installation, and influences the state of the bearing after installation.
8. Adjusting the installation precision: after the bearing is installed, the installation precision of the plate-shaped roller 1 is adjusted, and the levelness of the plate-shaped roller 1 is controlled within 0.02 mm.
9. Adjusting operation vibration: the speed of the plate-shaped roller 1 is set to be 100m/min, the plate-shaped roller runs, the vibration frequency is adjusted while the plate-shaped roller runs, the actual detection vibration is within the range of 0.02mm/s, and the plate-shaped roller runs for 1 hour. That is, the plate type roller 1 is first operated at a low speed, and during this time, the vibration of the plate type roller 1 is detected, and if it is within the range of 0.02mm/s, it means that the low speed operation can be satisfactory. After running for 1 hour, carrying out height running detection, specifically: and (4) raising the speed to the highest rolling matching speed of 700m/min, and if the vibration is controlled to be 0.03mm/s, indicating that the operation vibration adjustment meets the requirement, and finishing the operation debugging.
10. And (4) observing the effect, wherein the result indexes are as follows: the plate type curve is displayed stably, and the actual plate type control slitting detection is not abnormal. It is shown that the plate type roll 1 repaired by the method for repairing a plate type roll of a foil mill according to the present invention fully satisfies the operational requirements.
Compared with the prior art, the invention ensures the welding safety of the plate-shaped roller by designing a special positioning end cover to be matched with the plate-shaped roller for machining and designing a plurality of welding and cooling processes. The method for repairing the plate-shaped roller of the foil mill has the advantages of short repairing time, low repairing cost and good repairing effect.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A method for repairing a plate roller of a foil mill is characterized by comprising the following steps:
s1, removing the bearing: taking out the bearing at the shaft shoulder abrasion position of the plate-shaped roller;
s2, surfacing: carrying out surfacing welding on the shaft shoulder abrasion position of the plate roller;
an air passage is arranged in the plate roller, and during surfacing, the first welding cooling protection is realized by passing carbon dioxide gas in the air passage;
s3, installing and positioning end cover
A first connecting disc is arranged on the outer side of the plate roller, a first positioning pin hole penetrating through the first connecting disc is formed in the first connecting disc, and a first connecting hole is formed in the first connecting disc;
the positioning end cap includes: the end cover comprises a cylindrical end cover main body, a thimble hole formed by sinking one end of the end cover main body, and a second connecting disc formed by extending the outer cylindrical surface of the end cover main body, wherein the second connecting disc is provided with a second positioning pinhole and a second connecting hole;
the positioning between the plate-shaped roller and the positioning end cover is realized by simultaneously penetrating the first positioning pin hole and the second positioning pin hole through a positioning pin shaft, the connection between the plate-shaped roller and the positioning end cover is realized by simultaneously penetrating the first connecting hole and the second connecting hole through a plurality of threaded connecting pieces, and after the connection, the positioning end cover and the plate-shaped roller are in a coaxial state;
s4, plate roller clamping and blanking processing
Plate type roller clamping: installing the integrally connected plate-shaped roller and the positioning end cover on a grinding machine or a lathe, wherein a machine tool thimble for positioning a shaft sleeve part is arranged on the grinding machine or the lathe, and the machine tool thimble is inserted into the thimble hole to be used for positioning the axial center of the plate-shaped roller; adjusting the plate type roller runout amount and controlling the plate type roller runout amount to be less than or equal to 0.02 mm;
blanking processing: blanking the journal overlaying part of the plate-shaped roller by the grinding machine or the lathe, wherein the tolerance requirement of the plate-shaped roller is k7, and the Ra value is 0.05 mm; and finishing the repair of the plate roller after the blanking process is qualified.
2. The method of repairing a foil mill plate roll of claim 1, further comprising the steps of:
s5, bearing installation: the process is used for reinstalling the bearing detached in the step S1 on the repaired plate-type roller, wherein a sealing ring is arranged outside the plate-type roller, and when the bearing is installed, the position of the sealing ring is firstly adjusted to enable the sealing ring to be in an effective sealing state, and then the bearing is reinstalled on the repaired plate-type roller;
s6, adjusting the mounting precision: after the bearing is installed, the installation precision of the plate-shaped roller is adjusted, and the levelness of the plate-shaped roller is controlled within 0.02 mm;
s7, operation vibration adjustment: setting the speed of the plate type roller to be 100m/min, operating, adjusting the vibration frequency at the same time, actually detecting the vibration within the range of 0.02mm/s, after operating for 1 hour, raising the speed to the highest rolling matching speed of 700m/min, and if the vibration is controlled to be 0.03mm/s, indicating that the operation vibration adjustment meets the requirements, and completing the operation debugging.
3. The method for repairing a foil mill plate roll of claim 2, wherein the removing of the bearing is performed by applying pressurized oil to the inner ring of the bearing to expand the bearing in step S1.
4. The method for repairing a sheet roll of a foil mill according to claim 2, wherein the pressure oil for swelling the bearing has a pressure value of 5Mpa in step S1; the bearing is NU 1022.
5. The method for repairing a plate roller of a foil mill according to claim 2, wherein in step S2, the second welding cooling protection is realized by arranging a water-absorbing sponge on the outer side wall of the plate roller during overlaying.
6. The method of repairing a foil mill plate roll of claim 2, wherein the number of registration pin holes in the registration end cap is 1-4.
7. The method of repairing a foil mill plate roll of claim 2, wherein the number of attachment holes in the locating end cap is 3-5; the connecting hole is a step hole.
8. The method for repairing a roll of a foil mill plate type according to claim 2, wherein in step S5, the bearing is electromagnetically heated to 95 to 110 °, and the bearing inner ring is installed by being pushed without force after being expanded by heat.
9. The method for repairing a foil mill plate roll of claim 2, wherein in step S5, the sealing ring is a mechanical sealing ring.
10. The method of repairing a foil mill plate roll of claim 2, wherein said exit hole comprises a conical bore and a cylindrical bore in communication.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010094696.4A CN113263053A (en) | 2020-02-16 | 2020-02-16 | Repairing method for plate roller of foil rolling mill |
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| CN202010094696.4A CN113263053A (en) | 2020-02-16 | 2020-02-16 | Repairing method for plate roller of foil rolling mill |
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1121446A (en) * | 1995-05-12 | 1996-05-01 | 本溪钢铁公司连轧厂 | Roller renovation technology capable of improving welding layer property |
| CN1173413A (en) * | 1997-07-23 | 1998-02-18 | 广西大学 | Method for repairing journal by CO2 gas arc automatic build-up welding |
| CN1247778A (en) * | 1998-09-17 | 2000-03-22 | 韩春光 | Technological process of repairing roller neck |
| CN102470409A (en) * | 2009-07-30 | 2012-05-23 | 蒂姆肯公司 | Method and apparatus for setting rolling element bearings in rolling mills |
| CN103028970A (en) * | 2012-12-03 | 2013-04-10 | 西安航天动力机械厂 | Processing and clamping method for big-diameter cathode roll vehicle |
| CN103658929A (en) * | 2013-12-12 | 2014-03-26 | 攀枝花钢城集团有限公司 | Method for repairing and manufacturing bending roll in surfacing mode |
| CN103817484A (en) * | 2014-03-17 | 2014-05-28 | 沈阳哈维尔表面工程技术有限公司 | Restoring method used for single-tooth roller crushing mechanism of sintering machine |
| CN104057260A (en) * | 2014-06-30 | 2014-09-24 | 中色奥博特铜铝业有限公司 | Processing method of rolled copper foil mother material |
| CN104439881A (en) * | 2014-11-19 | 2015-03-25 | 首钢总公司 | Laser cladding and on-line machining repair method for roughing mill housing roller positioning groove |
| CN104907762A (en) * | 2015-07-02 | 2015-09-16 | 南车株洲电机有限公司 | Motor end cap bearing chamber restoration method |
| CN105215510A (en) * | 2015-11-17 | 2016-01-06 | 攀枝花钢城集团协力有限公司 | The overlaying method of repair cold-rolling flat support roller |
| CN105297009A (en) * | 2015-11-26 | 2016-02-03 | 宋禹辰 | Laser-cladding repairing process for centering roller |
| CN105436665A (en) * | 2015-12-16 | 2016-03-30 | 秦皇岛鸿翔焊业有限公司 | Surfacing reconstructed layer of large hot-rolled supporting roll Cr4 and method for repairing roll |
| CN106166660A (en) * | 2016-07-20 | 2016-11-30 | 嘉兴翰德圣激光再制造技术有限公司 | A kind of smooth shaft online renovation technique of abrasion |
| CN206701954U (en) * | 2017-05-15 | 2017-12-05 | 宣化钢铁集团有限责任公司 | A kind of steel rolling alignment roller being easily repaired |
| CN107838628A (en) * | 2017-10-24 | 2018-03-27 | 燕山大学 | A kind of grain roll roll surface combined-repair method |
| CN207479646U (en) * | 2017-10-27 | 2018-06-12 | 精进电动科技（正定）有限公司 | Motor casing clamping device |
| CN108817843A (en) * | 2018-08-13 | 2018-11-16 | 安徽鼎恒再制造产业技术研究院有限公司 | A kind of monodentate crusher renovation technique |
-
2020
- 2020-02-16 CN CN202010094696.4A patent/CN113263053A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1121446A (en) * | 1995-05-12 | 1996-05-01 | 本溪钢铁公司连轧厂 | Roller renovation technology capable of improving welding layer property |
| CN1173413A (en) * | 1997-07-23 | 1998-02-18 | 广西大学 | Method for repairing journal by CO2 gas arc automatic build-up welding |
| CN1247778A (en) * | 1998-09-17 | 2000-03-22 | 韩春光 | Technological process of repairing roller neck |
| CN102470409A (en) * | 2009-07-30 | 2012-05-23 | 蒂姆肯公司 | Method and apparatus for setting rolling element bearings in rolling mills |
| CN103028970A (en) * | 2012-12-03 | 2013-04-10 | 西安航天动力机械厂 | Processing and clamping method for big-diameter cathode roll vehicle |
| CN103658929A (en) * | 2013-12-12 | 2014-03-26 | 攀枝花钢城集团有限公司 | Method for repairing and manufacturing bending roll in surfacing mode |
| CN103817484A (en) * | 2014-03-17 | 2014-05-28 | 沈阳哈维尔表面工程技术有限公司 | Restoring method used for single-tooth roller crushing mechanism of sintering machine |
| CN104057260A (en) * | 2014-06-30 | 2014-09-24 | 中色奥博特铜铝业有限公司 | Processing method of rolled copper foil mother material |
| CN104439881A (en) * | 2014-11-19 | 2015-03-25 | 首钢总公司 | Laser cladding and on-line machining repair method for roughing mill housing roller positioning groove |
| CN104907762A (en) * | 2015-07-02 | 2015-09-16 | 南车株洲电机有限公司 | Motor end cap bearing chamber restoration method |
| CN105215510A (en) * | 2015-11-17 | 2016-01-06 | 攀枝花钢城集团协力有限公司 | The overlaying method of repair cold-rolling flat support roller |
| CN105297009A (en) * | 2015-11-26 | 2016-02-03 | 宋禹辰 | Laser-cladding repairing process for centering roller |
| CN105436665A (en) * | 2015-12-16 | 2016-03-30 | 秦皇岛鸿翔焊业有限公司 | Surfacing reconstructed layer of large hot-rolled supporting roll Cr4 and method for repairing roll |
| CN106166660A (en) * | 2016-07-20 | 2016-11-30 | 嘉兴翰德圣激光再制造技术有限公司 | A kind of smooth shaft online renovation technique of abrasion |
| CN206701954U (en) * | 2017-05-15 | 2017-12-05 | 宣化钢铁集团有限责任公司 | A kind of steel rolling alignment roller being easily repaired |
| CN107838628A (en) * | 2017-10-24 | 2018-03-27 | 燕山大学 | A kind of grain roll roll surface combined-repair method |
| CN207479646U (en) * | 2017-10-27 | 2018-06-12 | 精进电动科技（正定）有限公司 | Motor casing clamping device |
| CN108817843A (en) * | 2018-08-13 | 2018-11-16 | 安徽鼎恒再制造产业技术研究院有限公司 | A kind of monodentate crusher renovation technique |
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Application publication date: 20210817 |