CN111299958A - Stud embedding device on roller of high-pressure roller mill for mine and welding repair process thereof - Google Patents
Stud embedding device on roller of high-pressure roller mill for mine and welding repair process thereof Download PDFInfo
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- CN111299958A CN111299958A CN202010236140.4A CN202010236140A CN111299958A CN 111299958 A CN111299958 A CN 111299958A CN 202010236140 A CN202010236140 A CN 202010236140A CN 111299958 A CN111299958 A CN 111299958A
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- 238000003466 welding Methods 0.000 title claims abstract description 101
- 230000008439 repair process Effects 0.000 title claims abstract description 18
- 238000001125 extrusion Methods 0.000 claims abstract description 22
- 238000005553 drilling Methods 0.000 claims abstract description 17
- 241001669679 Eleotris Species 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- QFXZANXYUCUTQH-UHFFFAOYSA-N ethynol Chemical group OC#C QFXZANXYUCUTQH-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 230000007547 defect Effects 0.000 claims description 7
- 230000004927 fusion Effects 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 238000005219 brazing Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K5/00—Gas flame welding
- B23K5/006—Gas flame welding specially adapted for particular articles or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K5/00—Gas flame welding
- B23K5/18—Gas flame welding for purposes other than joining parts, e.g. built-up welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a stud embedding device on a roller of a high-pressure roller mill for mines, wherein the high-pressure roller mill comprises a left side frame and a right side frame, extrusion rollers are arranged on the left side frame and the right side frame through universal couplings, a plurality of studs are uniformly arranged on the outer sides of the extrusion rollers, and a left side sleeper and a right side sleeper are respectively arranged at the bottoms of the left side frame and the right side frame; the top of the left frame is provided with a stud embedding and drilling device, and the right frame is provided with a heating device; the stud embedding device further comprises a welding gun. The invention also discloses the stud embedding device and the welding repair process, which are safe and easy to operate, stable in welding quality, low in investment cost, high in working efficiency, capable of meeting the actual requirements on site, greatly reducing the maintenance cost, reducing the shutdown loss, reducing the labor intensity of personnel and guaranteeing reasonable production, and meanwhile, the stud embedding device and the welding repair process on the roller of the high-pressure roller mill provide scientific reference bases for online repair of other large-scale mine workpieces.
Description
Technical Field
The invention belongs to the field of machinery, and particularly relates to a stud embedding device on a roller of a high-pressure roller mill for a mine and a welding repair process thereof.
Background
Along with the development of domestic and foreign mineral separation technology and equipment, a high-pressure roller mill is used more and more widely as mineral separation equipment, and mainly comprises a rack, squeeze rollers, a speed reducer, a universal coupling and a motor, wherein the squeeze rollers are arranged on the rack in parallel in pairs, loose materials are squeezed among 2 rollers, the volume is reduced in a short time, and finally the minimum gap between the two rollers reaches the highest value, and solid material particles are crushed instantly. At present, a roller shaft is externally provided with a stud roller sleeve structure, studs are embedded in a roller sleeve base body, and the roller surface is enabled to generate a material lining by itself through reasonable arrangement of the studs on the roller surface.
During the working process of the high-pressure roller mill, because the compressive strength of some ores is high, a large extrusion force is required to be applied to crush the ores. Although the studs on the squeeze roller are made of high-wear-resistance and high-toughness materials, the studs on the roller surface are worn and broken after being used for a long time, particularly close to shaft shoulders on two sides of the roller, and if the studs are not planted and welded again on the worn two sides of the roller in time, the abrasive effect of the ore is influenced. Therefore, the stud embedding device on the roller of the high-pressure roller mill for the mine needs to be designed and matched with the welding repair process of the device, so that the two worn sides of the roller are replanted again, and the stud after welding repair can be repeatedly used economically, safely and reliably; in addition, the stud after replanting and welding repair on the roller of the high-pressure roller mill needs to meet the mechanical performance and meet the running size, the replanting and welding surface of the stud can not have any welding defect, and the quality of the running period is prevented from being subsequently influenced.
Disclosure of Invention
Aiming at the problems that studs on the roller surface of the high-pressure roller mill in the background technology are worn and broken after being used for a long time, and particularly the studs are close to shaft shoulders on two sides of the roller, the invention provides a stud embedding device and a welding repair process on the roller of the high-pressure roller mill for mines.
The technical scheme for solving the technical problem of the invention is as follows:
the invention relates to a stud embedding device on a roller of a high-pressure roller mill for mines, which comprises a left side frame and a right side frame, wherein extrusion rollers are arranged on the left side frame and the right side frame through universal couplings, and a plurality of studs are uniformly arranged on the outer sides of the extrusion rollers; the top of the left side frame is provided with a stud embedding and drilling device, and the right side frame is provided with a heating device; the stud embedding device further comprises a welding gun.
As a further improvement of the technical scheme of the invention, the stud embedding and drilling device comprises a magnetic drill, wherein a handle is arranged on the magnetic drill, and a downward drill bit is arranged on the front side of the magnetic drill.
As a further improvement of the technical scheme of the invention, the top of the left side frame is provided with a fixed bottom plate, and the bottom of the magnetic drill is fixedly connected with the fixed bottom plate through a bolt.
As a further improvement of the technical scheme of the invention, the heating device comprises a high upright and a low upright which are arranged at the top of the right frame, long baking guns are arranged on the high upright and the low upright, and the ends of the long baking guns are positioned below the stud embedding and drilling device.
As a further improvement of the technical scheme of the invention, a plurality of connecting round rods are arranged between the high upright post and the low upright post.
As a further improvement of the technical scheme of the invention, the fixed bottom plate is a steel plate with the thickness of 20 mm.
Another technical solution to solve the technical problem of the present invention is as follows:
the welding repair process of the stud embedding device on the roller of the high-pressure mine roller mill in the technical scheme is characterized by comprising the following steps of:
step one, preparing before welding;
1.1), gas welding equipment: h01-12 welding gun, 3# welding nozzle, throat hoop, oxyacetylene bottle and oxyacetylene wind belt;
1.2), heating device: h01-20 baking gun, 3# welding nozzle, throat hoop, oxyacetylene bottle and oxyacetylene wind belt;
1.3), auxiliary facilities: angle grinder, file, hammer, flat shovel, colored glasses, copper needle, sheepskin glove, sample plate, thermodetector and magnifier;
1.4), welding position: rotating and welding the welding position of the horizontal ring peak;
1.5), welding requirements: all welding fusion layers must have no welding defects and are metallurgically fused with the base material;
1.6), welding materials: BAg25 CuZnSn;
1.7), gas: oxygen, acetylene;
1.8) determining welding process parameters according to welding requirements;
step two, heating and welding;
2.1) adopting a left side sleeper and a right side sleeper to heighten a left side frame and a right side frame which are symmetrical on two sides of a squeezing roller of the high-pressure roller mill so as to ensure that the squeezing roller has enough height to operate and the mechanical assembly joint surface below the left side frame and the right side frame is not damaged;
2.2) turning a certain position of a shaft shoulder on one side of the extrusion roller, which is worn and needs to be replaced, to a horizontal position, operating by a magnetic drill fixed on a left side frame through a handle, drilling a screw hole at the position by using a drill bit, aligning a long baking gun at a fixed position to the screw hole, heating from inside to outside, coating a QJ102 silver brazing flux when the screw hole and the periphery are heated to a red hot surface close to an oxidation state, embedding a matched screw into the screw hole, enabling the surface height of the screw to be equal to the height of the used screw on the extrusion roller of the existing high-pressure roller mill, melting a BAg25CuZnSn welding wire by using a welding gun, welding the joint of the extrusion roller and the surface of the screw, rotating the extrusion roller to the position of the next worn and needed to be replaced after the welding of the screw embedded in the screw hole at the horizontal position is finished, and keeping all the replanting positions of the screws at the horizontal position and the drilling and the welding, by analogy with the method, after all the studs at the shaft shoulders on the two sides of the extrusion roller are completely replanted, the surface detection of all the welded studs is carried out, after the welding seam is determined to have no welding defects such as any crack, air hole, incomplete fusion, incomplete penetration and the like, the requirement of the integral rotation of the roller of the high-pressure roller mill is completely met through the acceptance of the original dimension, and the roller is put into use.
As a further improvement of the technical scheme of the invention, a welding gun is used for melting and welding the BAg25CuZnSn welding wire to the position of the surface joint of the extrusion roller and the stud, including the position in the stud hole below the surface joint of the stud.
As a further improvement of the technical scheme of the invention, the diameter of the BAg25CuZnSn welding wire used for welding is 2.0mm, and the welding speed is 10 cm/min.
Compared with the prior art, the stud embedding device and the welding repair process on the roller of the high-pressure roller mill for the mine are safe and easy to operate, stable in welding quality, low in investment cost, capable of meeting the actual field requirements, high in working efficiency, capable of greatly reducing the maintenance cost, capable of reducing the shutdown loss, capable of reducing the labor intensity of personnel and guaranteeing reasonable assembly, and meanwhile, the stud embedding device and the welding repair process on the roller of the high-pressure roller mill provide scientific reference bases for online repair of other large-scale mine workpieces.
Drawings
The invention is further described with reference to the following figures and detailed description:
FIG. 1 is a schematic structural diagram of a stud embedding device on a roller of a high-pressure mine roller mill, which is disclosed by the invention;
FIG. 2 is a schematic view of the stud of the present invention;
in the figure: 1. the left side sleeper 2, the right side sleeper 3, the left side frame 4, the right side frame 5, the universal coupling 6, the squeeze roller 7, the stud hole 8, the fixed baseplate 9, the magnetic drill 10, the bolt 11, the drill bit 12, the handle 13, the long baking gun 14, the welding gun 15, the high upright post 16, the low upright post 17 are connected with the round rod 20 and the stud.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "upper", "lower", "left", "right", "front", "rear", and the like used in the specification and claims of the present disclosure are used only to indicate relative positional relationships, and when the absolute position of a described object is changed, the relative positional relationships are changed accordingly. The present invention is not described in detail, but is known to those skilled in the art.
Example 1:
as shown in fig. 1 and 2, the stud inlaying device on the roller of the high-pressure roller mill for mines, provided by the invention, comprises a left side frame 3 and a right side frame 4, wherein extrusion rollers 6 are arranged on the left side frame 3 and the right side frame 4 through universal couplings 5, and a plurality of studs 20 are uniformly arranged outside the extrusion rollers 6, and is characterized in that the bottoms of the left side frame 3 and the right side frame 4 are respectively provided with a left side sleeper 1 and a right side sleeper 2; the top of the left side frame 3 is provided with a stud embedding and drilling device, and the right side frame 4 is provided with a heating device; the stud insertion apparatus further includes a welding gun 14. In this embodiment, two left and right sleepers 1 and 2 are provided below the left and right racks 3 and 4, so that a sufficient height can be ensured to allow the squeeze roll 6 to operate and prevent the mechanical assembly joint surfaces below the two left and right racks 3 and 4 from being damaged.
In this embodiment, the stud embedding and drilling device includes a magnetic drill 9, a handle 12 is disposed on the magnetic drill 9, and a downward drill 11 is disposed on the front side of the magnetic drill.
In order to facilitate the installation of the magnetic drill 9, the top of the left frame 3 is provided with a fixed bottom plate 8, the bottom of the magnetic drill 9 is fixedly connected with the fixed bottom plate 8 through a bolt 10, and the fixed bottom plate 8 can be further provided with a steel plate with a thickness of 20mm
In this embodiment, the heating device includes a high column 15 and a low column 16 disposed on the top of the right frame 4, the high column 15 and the low column 16 are provided with a long baking gun 13, and the end of the long baking gun 13 is located below the stud inlaying and drilling device. The stability of the long baking gun 13 is ensured, and a plurality of connecting round rods 17 are arranged between the high upright post 15 and the low upright post 16.
In this embodiment, drilling equipment and heating device are inlayed to the stud that left and right side frame 3, 4 tops set up respectively, and when using, after the stud of squeeze roll 6 one side is replanted and is accomplished, can exchange the position, carry out the stud of squeeze roll opposite side and replant.
Example 2:
the repair welding process for the stud embedding device on the roller of the high-pressure mine roller mill, which is described in the embodiment 1, is characterized by comprising the following steps of:
step one, preparing before welding;
1.1), gas welding equipment: h01-12 welding gun, 3# welding nozzle, throat hoop, oxyacetylene bottle and oxyacetylene wind belt;
1.2), heating device: h01-20 baking gun, 3# welding nozzle, throat hoop, oxyacetylene bottle and oxyacetylene wind belt;
1.3), auxiliary facilities: angle grinder, file, hammer, flat shovel, colored glasses, copper needle, sheepskin glove, sample plate, thermodetector and magnifier;
1.4), welding position: rotating and welding the welding position of the horizontal ring peak;
1.5), welding requirements: all welding fusion layers must have no welding defects and are metallurgically fused with the base material;
1.6), welding materials: BAg25CuZnSn with good fluidity and gap filling property;
1.7), gas: oxygen, acetylene;
1.8) determining welding process parameters according to welding requirements;
step two, heating and welding;
2.1) heightening a left side frame 3 and a right side frame 4 which are symmetrical at two sides of a squeeze roller 6 of the high-pressure roller mill by adopting a left side sleeper 3 and a right side sleeper 4 so as to ensure that the squeeze roller 6 runs and the mechanical assembly joint surface below the left side frame 3 and the right side frame 4 is not damaged;
2.2) rotating a certain position of a worn stud 20 at the shaft shoulder on one side of the extrusion roller 6 to a horizontal position, operating the position to be replaced by the stud 20 by a magnetic drill 9 fixed on the left side frame 3 through a handle 12, drilling a stud hole 7 at the position by a drill bit 11, aligning a long baking gun 13 at a fixed position with the stud hole 7 to heat from inside to outside, coating a QJ102 silver brazing flux when the stud hole 7 and the periphery are heated to a red hot surface close to an oxidation state, embedding a matched stud 20 into the stud hole 7, rotating the extrusion roller 6 to the position to be replaced by the next worn stud 20 after the stud 20 embedded into the horizontal position stud hole 7 is welded to the position of the stud 20 after the surface height of the stud 20 is equal to the height of the stud 20 already used on the extrusion roller 6 of the existing high-pressure roller mill is welded by a welding gun 14 to melt a welding wire of BAg25CuZnSn and be welded to the joint of the surface of the extrusion roller 6 and the stud 20, and (3) drilling and welding all the stud replanting positions at the horizontal positions, and repeating the above method, after all the studs 20 at the shaft shoulders at the two sides of the squeeze roll 6 are replanted, performing surface detection on all the welded studs, determining that the welding seam has no welding defects such as cracks, pores, incomplete fusion, incomplete penetration and the like, and completely meeting the integral rotation requirement of the high-pressure roller mill roll through original dimension inspection and acceptance for delivery.
In this embodiment, the welding torch 14 is used to melt and weld the BAg25CuZnSn wire to the surface junction of the squeeze roll 6 and the stud 20, including the location in the stud hole below the surface junction of the stud.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (9)
1. A stud inlaying device on a roller of a high-pressure roller mill for mines comprises a left side frame (3) and a right side frame (4), wherein extrusion rollers (6) are arranged on the left side frame (3) and the right side frame (4) through universal couplings (5), and a plurality of studs (20) are uniformly arranged on the outer sides of the extrusion rollers (6), and the stud inlaying device is characterized in that the bottoms of the left side frame (3) and the right side frame (4) are respectively provided with a left side sleeper (1) and a right side sleeper (2); the top of the left side rack (3) is provided with a stud embedding and drilling device, and the right side rack (4) is provided with a heating device; the stud insertion apparatus further comprises a welding gun (14).
2. The stud embedding device on the roller of the high-pressure grinding roller for the mine according to claim 1, characterized in that the stud embedding and drilling device comprises a magnetic drill (9), a handle (12) is arranged on the magnetic drill (9), and a drill bit (11) facing downwards is arranged on the front side.
3. The stud embedding device on the roller of the high-pressure grinding roller mill for the mine according to claim 2, characterized in that a fixed bottom plate (8) is arranged at the top of the left side frame (3), and the bottom of the magnetic drill (9) is fixedly connected with the fixed bottom plate (8) through a bolt (10).
4. The stud inlaying device on the roller of the high-pressure roller mill for mines according to claim 1, characterized in that the heating device comprises a high upright (15) and a low upright (16) arranged at the top of the right frame (4), the high upright (15) and the low upright (16) are provided with long baking guns (13), and the ends of the long baking guns (13) are positioned below the stud inlaying and drilling device.
5. The stud embedding device on the roller of the high-pressure grinding roller for the mine according to claim 4, characterized in that a plurality of connecting round rods (17) are arranged between the high upright post (15) and the low upright post (16).
6. The stud setting device on the roller of the high pressure roller mill for mines according to claim 3, characterized in that the fixed base plate (8) is a steel plate with a thickness of 20 mm.
7. The repair welding process for the stud embedding device on the roller of the high-pressure roller mill for the mine according to claim 3, which is characterized by comprising the following steps:
step one, preparing before welding;
1.1), gas welding equipment: h01-12 welding gun, 3# welding nozzle, throat hoop, oxyacetylene bottle and oxyacetylene wind belt;
1.2), heating device: h01-20 baking gun, 3# welding nozzle, throat hoop, oxyacetylene bottle and oxyacetylene wind belt;
1.3), auxiliary facilities: angle grinder, file, hammer, flat shovel, colored glasses, copper needle, sheepskin glove, sample plate, thermodetector and magnifier;
1.4), welding position: rotating and welding the welding position of the horizontal ring peak;
1.5), welding requirements: all welding fusion layers must have no welding defects and are metallurgically fused with the base material;
1.6), welding materials: BAg25 CuZnSn;
1.7), gas: oxygen, acetylene;
1.8) determining welding process parameters according to welding requirements;
step two, heating and welding;
2.1), heightening a left side sleeper (3) and a right side sleeper (4) of the high-pressure roller mill by using the left side sleeper (3) and the right side sleeper (4) to ensure that the left side frame (3) and the right side frame (4) are symmetrical at two sides of a squeezing roller (6) so as to have enough height to enable the squeezing roller (6) to operate and to be lifted to the lower mechanical assembly joint surface of the left side frame (3) and the right side frame (4) without being damaged;
2.2) rotating a position of a stud (20) which is worn and needs to be replaced at a shaft shoulder on one side of the extrusion roller (6) to a horizontal position, operating by a magnetic drill (9) fixed on the left side rack (3) through a handle (12), drilling a stud hole (7) at the position by a drill bit (11), aligning a long baking gun (13) at a fixed position with the stud hole (7) to heat from inside to outside, coating a QJ102 silver brazing flux when the stud hole (7) and the periphery are heated to a red hot surface close to an oxidation state, embedding a matched stud (20) into the stud hole (7), melting a BAg25CuZnSn welding wire by a welding gun (14) to be welded at the joint of the extrusion roller (6) and the surface of the stud (20) by the same surface height of the stud (20) as the height of the stud (20) already used on the extrusion roller (6) of the existing high-pressure roller mill, and welding the stud (20) at the horizontal position after embedding and welding in the stud hole (7), and then rotating the squeeze roller (6) to the position where the stud (20) needs to be replaced after the next abrasion, wherein the replanting position of all studs needs to be kept at the horizontal position for drilling and welding, and by analogy with the method, after all studs (20) at shaft shoulders at two sides of the squeeze roller (6) are replanted completely, performing surface detection on all welded studs, determining that a welding seam has no welding defects such as any crack, air hole, incomplete fusion, incomplete penetration and the like, and completely meeting the integral rotation requirement of the roller of the high-pressure roller mill through original dimension acceptance for delivery and use.
8. The repair welding process for stud inlaying device on the roller of high-pressure roller mill for mine according to claim 7, characterized in that the welding gun (14) is used to melt and weld BAg25CuZnSn welding wire to the surface junction of the squeeze roller (6) and the stud (20) including the position in the stud hole below the surface junction of the stud.
9. The repair welding process for stud inlaying devices on the rollers of the high-pressure roller mill for mines according to claim 7, characterized in that the welding material BAg25CuZnSn welding wire has a diameter of 2.0mm and a welding speed of 10 cm/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010236140.4A CN111299958A (en) | 2020-03-30 | 2020-03-30 | Stud embedding device on roller of high-pressure roller mill for mine and welding repair process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010236140.4A CN111299958A (en) | 2020-03-30 | 2020-03-30 | Stud embedding device on roller of high-pressure roller mill for mine and welding repair process thereof |
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| CN111299958A true CN111299958A (en) | 2020-06-19 |
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| CN202010236140.4A Pending CN111299958A (en) | 2020-03-30 | 2020-03-30 | Stud embedding device on roller of high-pressure roller mill for mine and welding repair process thereof |
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