CN106238472A - A kind of rolling guide wheel compound based on cladding coating and preparation method thereof - Google Patents
A kind of rolling guide wheel compound based on cladding coating and preparation method thereof Download PDFInfo
- Publication number
- CN106238472A CN106238472A CN201610705185.5A CN201610705185A CN106238472A CN 106238472 A CN106238472 A CN 106238472A CN 201610705185 A CN201610705185 A CN 201610705185A CN 106238472 A CN106238472 A CN 106238472A
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- CN
- China
- Prior art keywords
- guide wheel
- powder
- coating
- substrate
- cladding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
-
- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Laser Beam Processing (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention discloses a kind of rolling guide wheel compound based on cladding coating and preparation method thereof.Including guide wheel substrate, described guide wheel substrate one surface is evenly distributed and has through hole；Described guide wheel substrate structure is a metal ring；Some described guide wheel substrates are bolted formation guide wheel matrix；All sides cladding of described guide wheel matrix has composite coating.The present invention, by some guide wheel substrates fixing guide wheel matrix formed side by side, has guide wheel basal body structure compound mode various, and range is wide, and flexible structure is not limited by specific design structure；All sides of the guide wheel matrix by being combined at this form work surface by the technique of laser melting coating, the mechanical performances such as the hardness of piece surface, wearability, corrosion-resistant, endurance is greatly improved, the service life of material can be greatly improved.
Description
Technical field
The invention belongs to roll guide wheel technical field, particularly relate to a kind of rolling guide wheel compound based on cladding coating and
Its preparation method.
Background technology
Along with the raising of mill speed, sliding guide device is gradually replaced by guide wheel.It is severe for guide wheel working condition,
Therefore it is required that guide wheel should have higher toughness, thermal fatigue resistance, anti-corrosion and oxidation resistance, there is high rigidity and resistance to again
Petty property.
Guide wheel is the important spare part that consumption is bigger in hot rolled rod production line, is the crucial portion in steel rolling guide assembly
Part, the shadow land measure equal to fifteen mu in most parts of the Northeast the technical-economic indexes such as operating rate of rolling mill.The a lot of guide and guard part heat resistances used are not enough, occur that steel bonding etc. shows
As, also have some process conditions wearabilities, thermal fatigue property bad, have impact on service life and mill bar quality.
The physical essence of hardness abrasion is the fracture process of a kind of specific form, occurs at the top layer of wear-out part and Ya Biao
Layer.When considering hardness number, it is impossible to simply think that hardness more high-wearing feature is the best, its under various regimes hard to be taken into full account
Degree.Such as: the hardness changed due to Surface hardened layer or softening in work process；Surface is made owing to contacting with high temperature rolled piece
Temperature raises, and will consider temperature hardness.
Toughness rolls the fracture of guide wheel and is generally brittle fracture.For preventing the generation of brittle failure, resisting of material to be improved constantly
Fracture energy.
Laser melting and coating technique is that an emerging part is machined in surface modifications technology.There is relatively low dilution rate, heat affecting
District is little and basal plane forms the advantages such as metallurgical binding, cladding part torsional deformation is smaller, process easily is automated.Laser melts
Coating technique is applied to surface and processes, and the machineries such as the hardness of piece surface, wearability, corrosion-resistant, endurance can be greatly improved
Performance, can be greatly improved the service life of material.At the same time it can also be for the process of waste product part, save processing cost in a large number.
Summary of the invention
It is an object of the invention to provide a kind of rolling guide wheel compound based on cladding coating and preparation method thereof, if by
The dry guide wheel substrate fixing guide wheel matrix formed side by side, has guide wheel basal body structure compound mode various, is not tied by specific design
Structure limits；All sides of the guide wheel matrix by being combined at this form work surface by the technique of laser melting coating, can be very big
Improve the service life of material.
For solving above-mentioned technical problem, the present invention is achieved by the following technical solutions:
The present invention is a kind of rolling guide wheel compound based on cladding coating, including guide wheel substrate, described guide wheel substrate one table
Face is evenly distributed and has through hole；Described guide wheel substrate structure is a metal ring；Some described guide wheel substrates pass through bolt
Fixing formation guide wheel matrix；All sides cladding of described guide wheel matrix has composite coating.
Further, described composite coating includes the mixed of 1Cr18Mn8Ni5N, Fe powder, aluminium powder, magnesium powder and FeB powder
Close, by laser melting coating composite hard alloy powder compacting in all sides of guide wheel matrix.
Further, the thickness of the composite coating of described laser melting coating composite hard alloy is in the scope of 0.5cm-3cm.
A kind of preparation method of rolling guide wheel compound based on cladding coating, it is characterised in that comprise the steps:
Step one, the preparation of guide wheel substrate, by using Cr12MoV sheet material, by the way of machining, it is processed into thickness
Spend at 1mm-20mm, overall diameter at the annulus of 3cm-10cm；And uniform on the surface of this guide wheel substrate have 4-10 through hole,
By bolt, 5-15 guide wheel substrate is fixed into a guide wheel matrix；
Step 2, getting the raw materials ready of composite coating:
1Cr18Mn8Ni5N: 1Cr18Mn8Ni5N powder is placed in ball mill, ball milling 30h-50h under hydrogen shield,
Form the 1Cr18Mn8Ni5N powder of 10-11 μm；
Fe powder, aluminium powder, magnesium powder and FeB powder are placed in ball mill, ball milling 30h-50h under hydrogen shield, are formed
The powder of 12-15 μm；
Step 3, wet grinding: dispensing 1Cr18Mn8Ni5N powder Fe powder, aluminium powder, magnesium powder and the boron that step one is prepared
Iron powder, with liquid ethanol as ball-milling medium, in mechanical milling process add titanium tetrachloride, the rotating speed of ball mill at 90-100r/min,
Ball-milling Time is at 1-3h；
Step 4, sieves and is dried: sieved by the powder of step 2 milled, places in vacuum drying oven and is dried,
Material material when laser melting coating；
Step 5, carries out laser cladding coating in all sides of the guide wheel matrix of guide wheel substrate formation.
The method have the advantages that
The present invention, by some guide wheel substrates fixing guide wheel matrix formed side by side, has guide wheel basal body structure compound mode
Various, range is wide, and flexible structure is not limited by specific design structure；All sides of the guide wheel matrix by being combined at this
Face forms work surface by the technique of laser melting coating, this laser melting coating compared with low dilution rate, heat affected area is little and basal plane forms metallurgy
In conjunction with, the advantage such as cladding part torsional deformation is smaller, process easily is automated.Laser melting and coating technique is applied to surface and processes
On, the mechanical performances such as the hardness of piece surface, wearability, corrosion-resistant, endurance can be greatly improved, material can be greatly improved
Service life.
Certainly, the arbitrary product implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, embodiment will be described required use below
Accompanying drawing is briefly described, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the present invention, for ability
From the point of view of the those of ordinary skill of territory, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
Fig. 1 is a kind of structural representation of rolling guide wheel compound based on cladding coating of the present invention；
Fig. 2 is the structural representation of the guide wheel substrate of the present invention.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
Referring to shown in Fig. 1 and Fig. 2, a kind of rolling guide wheel compound based on cladding coating, including guide wheel substrate 1, guide wheel
Substrate 1 one surface is evenly distributed and has through hole 101；Guide wheel substrate 1 structure is a metal ring；Ten guide wheel substrates 1 lead to
Cross bolt 2 fixing formation guide wheel matrix；All sides cladding of described guide wheel matrix has composite coating 3.
Wherein, composite coating 3 includes the mixing of 1Cr18Mn8Ni5N, Fe powder, aluminium powder, magnesium powder and FeB powder, passes through
Laser melting coating composite hard alloy powder compacting is in all sides of guide wheel matrix.
Wherein, the thickness of the composite coating 3 of laser melting coating composite hard alloy is in the scope of 2cm.
A kind of preparation method of rolling guide wheel compound based on cladding coating, comprises the steps:
Step one, the preparation of guide wheel substrate 1, by using Cr12MoV sheet material, by the way of machining, it is processed into thickness
Spend at 10mm, overall diameter at the annulus of 3cm-10cm；And uniform on the surface of this guide wheel substrate 1 have six through holes 101, logical
Cross bolt 2 and ten guide wheel substrates 1 are fixed into a guide wheel matrix；A diameter of 5cm, 6cm, 7cm, 8cm, 9cm of guide wheel substrate 1
Carry out being sequentially overlapped the guide wheel matrix forming kidney-shaped.
Step 2, getting the raw materials ready of composite coating 3:
1Cr18Mn8Ni5N: 1Cr18Mn8Ni5N powder is placed in ball mill, ball milling 30h-50h under hydrogen shield,
Form the 1Cr18Mn8Ni5N powder of 10-11 μm；
Fe powder, aluminium powder, magnesium powder and FeB powder are placed in ball mill, ball milling 30h-50h under hydrogen shield, are formed
The powder of 12-15 μm；
Step 3, wet grinding: dispensing 1Cr18Mn8Ni5N powder, Fe powder, aluminium powder, magnesium powder and the boron that step one is prepared
Iron powder, with liquid ethanol as ball-milling medium, in mechanical milling process add titanium tetrachloride, the rotating speed of ball mill at 90-100r/min,
Ball-milling Time is at 1-3h；
Step 4, sieves and is dried: sieved by the powder of step 2 milled, places in vacuum drying oven and is dried,
Material material when laser melting coating；
Step 5, carries out laser cladding coating, by machining system in all sides of the guide wheel matrix of guide wheel substrate 1 formation
Become Guiding wheel structure.
By some guide wheel substrates fixing guide wheel matrix formed side by side, there is guide wheel basal body structure compound mode various,
Range is wide, and flexible structure is not limited by specific design structure；All sides of the guide wheel matrix by being combined at this are passed through
The technique of laser melting coating forms work surface, this laser melting coating is little compared with low dilution rate, heat affected area and basal plane formed metallurgical binding,
The advantages such as cladding part torsional deformation is smaller, process easily is automated.Laser melting and coating technique is applied to surface and processes, can
So that the mechanical performances such as the hardness of piece surface, wearability, corrosion-resistant, endurance is greatly improved, the making of material can be greatly improved
Use the life-span.
In the description of this specification, the description meaning of reference term " embodiment ", " example ", " concrete example " etc.
Referring to combine specific features, structure, material or the feature that this embodiment or example describe, to be contained at least one of the present invention real
Execute in example or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or shows
Example.And, the specific features of description, structure, material or feature can be in any one or more embodiments or example
Combine in an appropriate manner.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.Preferred embodiment is the most detailed
Describe all of details, be also not intended to the detailed description of the invention that this invention is only described.Obviously, according to the content of this specification,
Can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is to preferably explain the present invention
Principle and actual application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and four corner thereof and equivalent.
Claims (4)
1. the rolling guide wheel being combined based on cladding coating, it is characterised in that include guide wheel substrate (1), described guide wheel substrate
(1) one surface is evenly distributed and has through hole (101)；Described guide wheel substrate (1) structure is a metal ring；Lead described in some
Wheel substrate (1) forms guide wheel matrix by bolt (2) is fixing；All sides cladding of described guide wheel matrix has composite coating (3).
A kind of rolling guide wheel compound based on cladding coating the most according to claim 1, it is characterised in that described compound painting
Layer (3) includes the mixing of 1Cr18Mn8Ni5N, Fe powder, aluminium powder, magnesium powder and FeB powder, is closed by laser melting coating composite ganoine
Bronze end is molded over all sides of guide wheel matrix.
A kind of rolling guide wheel compound based on cladding coating the most according to claim 2, it is characterised in that described laser melts
Cover the thickness of composite coating (3) of composite hard alloy in the scope of 0.5cm-3cm.
4. a kind of preparation method that roll guide wheel compound based on cladding coating as described in claim 1-3 is arbitrary, its feature
It is, comprises the steps:
Step one, the preparation of guide wheel substrate (1), by using Cr12MoV sheet material, by the way of machining, it is processed into thickness
At 1mm-20mm, overall diameter at the annulus of 3cm-10cm；And have 4-10 through hole the surface of this guide wheel substrate (1) is uniform
(101), by bolt (2), 5-15 guide wheel substrate (1) is fixed into a guide wheel matrix；
Step 2, getting the raw materials ready of composite coating (3):
1Cr18Mn8Ni5N: be placed in ball mill by 1Cr18Mn8Ni5N powder, ball milling 30h-50h under hydrogen shield, formed
The 1Cr18Mn8Ni5N powder of 10-11 μm；
Fe powder, aluminium powder, magnesium powder and FeB powder are placed in ball mill, ball milling 30h-50h under hydrogen shield, form 12-15 μ
The powder of m；
Step 3, wet grinding: dispensing 1Cr18Mn8Ni5N powder Fe powder, aluminium powder, magnesium powder and the ferro-boron powder that step one is prepared
End, with liquid ethanol as ball-milling medium, adds titanium tetrachloride in mechanical milling process, the rotating speed of ball mill is at 90-100r/min, ball milling
Time is at 1-3h；
Step 4, sieves and is dried: sieved by the powder of step 2 milled, places in vacuum drying oven and is dried, is used for
Material material during laser melting coating；
Step 5, all sides of the guide wheel matrix formed at guide wheel substrate (1) carry out laser cladding coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705185.5A CN106238472B (en) | 2016-08-22 | 2016-08-22 | A kind of rolling guide wheel compound based on cladding coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705185.5A CN106238472B (en) | 2016-08-22 | 2016-08-22 | A kind of rolling guide wheel compound based on cladding coating and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN106238472A true CN106238472A (en) | 2016-12-21 |
| CN106238472B CN106238472B (en) | 2018-01-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110684975A (en) * | 2019-09-25 | 2020-01-14 | 成都青石激光科技有限公司 | Preparation process of wear-resistant layer of aluminum alloy traction wheel |
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| JPH01130807A (en) * | 1987-11-13 | 1989-05-23 | Kawasaki Refract Co Ltd | Guide roller for rolling of metal bar stock |
| CN2243451Y (en) * | 1994-10-12 | 1996-12-25 | 白玉泉 | Separate assembling nylon roller on ground |
| CN101249510A (en) * | 2008-03-27 | 2008-08-27 | 安徽工业大学 | Repaired roller and method for repairing roller |
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2016
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| CN2243451Y (en) * | 1994-10-12 | 1996-12-25 | 白玉泉 | Separate assembling nylon roller on ground |
| CN101249510A (en) * | 2008-03-27 | 2008-08-27 | 安徽工业大学 | Repaired roller and method for repairing roller |
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| CN102864372A (en) * | 2012-09-14 | 2013-01-09 | 江苏久联冶金机械制造有限公司 | Wear-resisting rolling mill guide and guard and manufacture method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110684975A (en) * | 2019-09-25 | 2020-01-14 | 成都青石激光科技有限公司 | Preparation process of wear-resistant layer of aluminum alloy traction wheel |
| CN110684975B (en) * | 2019-09-25 | 2022-02-08 | 成都青石激光科技有限公司 | Preparation process of wear-resistant layer of aluminum alloy traction wheel |
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| CN106238472B (en) | 2018-01-05 |
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