CN106238472B - 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
- CN106238472B CN106238472B CN201610705185.5A CN201610705185A CN106238472B CN 106238472 B CN106238472 B CN 106238472B CN 201610705185 A CN201610705185 A CN 201610705185A CN 106238472 B CN106238472 B CN 106238472B
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- guide wheel
- powder
- coating
- substrate
- matrix
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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, the surface of guide wheel substrate one, which is evenly distributed, is provided with through hole；The guide wheel substrate structure is a metal ring；Some guide wheel substrates are bolted to form guide wheel matrix；The week side of boss cladding of the guide wheel matrix has composite coating.The present invention fixes the guide wheel matrix formed side by side by some guide wheel substrates, and various with guide wheel basal body structure combination, use range is wide, flexible structure, is not limited by specific design structure；Working face is formed by the technique of laser melting coating by all sides for the guide wheel matrix being combined at this, the mechanical performances such as the hardness, wearability, corrosion-resistant, endurance of piece surface are greatly improved, the service life of material can be greatly improved.
Description
Technical field
The invention belongs to roll guide wheel technical field, more particularly to a kind of rolling guide wheel compound based on cladding coating and
Its preparation method.
Background technology
With the raising of mill speed, sliding guide device is gradually substituted by guide wheel.It is severe for guide wheel condition of work,
Therefore it is required that guide wheel should have higher toughness, thermal fatigue resistance, anti-corrosion and oxidation resistance, again with high rigidity and resistance to
Petty property.
Guide wheel is the important spare part that consumption is larger 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 many guide and guard part heat resistances deficiency used, it is existing to there is steel bonding etc.
As also having some process conditions wearabilities, thermal fatigue property bad, have impact on service life and mill bar quality.
The physical essence of hardness abrasion is a kind of fracture process of special shape, is occurred in 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 better, to take into full account its under various regimes hard
Degree.Such as:The hardness changed in the course of work due to Surface hardened layer or softening；Make surface due to being contacted with high temperature rolled piece
Temperature raises, and to consider high temperature hardness.
The fracture that toughness rolls guide wheel is generally brittle fracture.To prevent the generation of brittle failure, the anti-of material is improved constantly
Fracture energy.
Laser melting and coating technique is that an emerging part is machined in surface modifications technology.With compared with low dilution rate, heat affecting
Area is small, metallurgical binding is formed with basal plane, the advantages that cladding part torsional deformation is smaller, process is easy to automate.Laser melts
Coating technique is applied in surface treatment, and the machineries such as the hardness, wearability, corrosion-resistant, endurance of piece surface can be greatly improved
Performance, the service life of material can be greatly improved.At the same time it can also the processing for waste product part, processing cost is largely saved.
The content 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
Dry guide wheel substrate fixes the guide wheel matrix formed side by side, has guide wheel basal body structure combination various, not by specific design knot
Structure limits；Working face is formed by the technique of laser melting coating by all sides for the guide wheel matrix being combined at this, can be very big
Improve the service life of material.
In order to solve the above technical problems, 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, the table of guide wheel substrate one
Face, which is evenly distributed, is provided with through hole；The guide wheel substrate structure is a metal ring；Some guide wheel substrates pass through bolt
Fixation forms guide wheel matrix；The week side of boss cladding of the guide wheel matrix has composite coating.
Further, the 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 guide wheel matrix the week side of boss.
Further, scope of the thickness of the composite coating of the laser melting coating composite hard alloy in 0.5cm-3cm.
A kind of preparation method of the rolling guide wheel compound based on cladding coating, it is characterised in that comprise the following steps：
Step 1, the preparation of guide wheel substrate, by using Cr12MoV sheet materials, thickness is processed into by way of machining
Spend 1mm-20mm, overall diameter 3cm-10cm annulus；And 4-10 through hole is uniformly provided with the surface of the guide wheel substrate,
5-15 guide wheel substrate is fixed into by a guide wheel matrix by bolt；
Step 2, the stock of composite coating：
1Cr18Mn8Ni5N：1Cr18Mn8Ni5N powder is placed in ball mill, the ball milling 30h-50h under hydrogen shield,
Form 10-11 μm of 1Cr18Mn8Ni5N powder；
Fe powder, aluminium powder, magnesium powder and FeB powder are placed in ball mill, the ball milling 30h-50h under hydrogen shield, are formed
12-15 μm of powder；
Step 3, wet-milling：Dispensing 1Cr18Mn8Ni5N powder, Fe powder, aluminium powder, magnesium powder and the boron that step 2 is prepared
Iron powder, using liquid ethanol as ball-milling medium, add titanium tetrachloride in mechanical milling process, the rotating speed of ball mill in 90-100r/min,
Ball-milling Time is in 1-3h；
Step 4, sieve and dry：The powder of step 3 milled is sieved, places into vacuum drying chamber and dries,
Material material during for laser melting coating；
Step 5, laser cladding coating is carried out in the week side of boss for the guide wheel matrix that guide wheel substrate is formed.
The invention has the advantages that：
The present invention fixes the guide wheel matrix formed side by side by some guide wheel substrates, has guide wheel basal body structure combination
Various, use range is wide, flexible structure, is not limited by specific design structure；By the week side of boss for the guide wheel matrix being combined at this
Face forms working face by the technique of laser melting coating, and the laser melting coating is compared with low dilution rate, heat affected area is small, forms metallurgy with basal plane
With reference to, cladding part torsional deformation is smaller, process is easy to automate the advantages that.Laser melting and coating technique is applied to surface treatment
On, the mechanical performances such as the hardness, wearability, corrosion-resistant, endurance of piece surface can be greatly improved, material can be greatly improved
Service life.
Certainly, any product for implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, used required for being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
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.
Embodiment
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 part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Refer 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
The surface of substrate 1 one, which is evenly distributed, is provided with through hole 101；The structure of guide wheel substrate 1 is a metal ring；Ten guide wheel substrates 1 are logical
Cross the fixation of bolt 2 and form guide wheel matrix；The week side of boss cladding of the 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
The week side of boss of the laser melting coating composite hard alloy powder compacting in guide wheel matrix.
Wherein, scope of the thickness of the composite coating 3 of laser melting coating composite hard alloy in 2cm.
A kind of preparation method of the rolling guide wheel compound based on cladding coating, comprises the following steps：
Step 1, the preparation of guide wheel substrate 1, by using Cr12MoV sheet materials, thickness is processed into by way of machining
Spend 10mm, overall diameter 3cm-10cm annulus；And six through holes 101 are uniformly provided with the surface of the guide wheel substrate 1,
Ten guide wheel substrates 1 are fixed into by a guide wheel matrix by bolt 2；A diameter of 5cm, 6cm, 7cm, 8cm, 9cm of guide wheel substrate 1
Carry out being sequentially overlapped the guide wheel matrix to form kidney-shaped.
Step 2, the stock of composite coating 3：
1Cr18Mn8Ni5N：1Cr18Mn8Ni5N powder is placed in ball mill, the ball milling 30h-50h under hydrogen shield,
Form 10-11 μm of 1Cr18Mn8Ni5N powder；
Fe powder, aluminium powder, magnesium powder and FeB powder are placed in ball mill, the ball milling 30h-50h under hydrogen shield, are formed
12-15 μm of powder；
Step 3, wet-milling：Dispensing 1Cr18Mn8Ni5N powder, Fe powder, aluminium powder, magnesium powder and the boron that step 2 is prepared
Iron powder, using liquid ethanol as ball-milling medium, add titanium tetrachloride in mechanical milling process, the rotating speed of ball mill in 90-100r/min,
Ball-milling Time is in 1-3h；
Step 4, sieve and dry：The powder of step 3 milled is sieved, places into vacuum drying chamber and dries,
Material material during for laser melting coating；
Step 5, laser cladding coating is carried out in the week side of boss for the guide wheel matrix that guide wheel substrate 1 is formed, is made by being machined
Into Guiding wheel structure.
The guide wheel matrix formed is fixed side by side by some guide wheel substrates, it is various with guide wheel basal body structure combination,
Use range is wide, flexible structure, is not limited by specific design structure；Passed through by all sides for the guide wheel matrix being combined at this
The technique of laser melting coating forms working face, the laser melting coating compared with low dilution rate, heat affected area is small, metallurgical binding is formed with basal plane,
The advantages that cladding part torsional deformation is smaller, process is easy to automate.Laser melting and coating technique is applied in surface treatment, can
So that the mechanical performance such as the hardness of piece surface, wearability, corrosion-resistant, endurance is greatly improved, making for material can be greatly improved
Use the life-span.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to specific features, structure, material or the feature that the embodiment or example describe
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can close in any one or more embodiments or example
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details are described, it is only described embodiment also not limit the invention.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (4)
- A kind of 1. rolling guide wheel compound based on cladding coating, it is characterised in that including guide wheel substrate (1), the guide wheel substrate (1) one surface, which is evenly distributed, is provided with through hole (101)；Guide wheel substrate (1) structure is a metal ring；Led described in some Wheel substrate (1) forms guide wheel matrix by bolt (2) fixation；The week side of boss cladding of the guide wheel matrix has composite coating (3)；The preparation process for rolling guide wheel is as follows：Step 1, the preparation of guide wheel substrate (1), by using Cr12MoV sheet materials, is processed into thickness by way of machining 1mm-20mm, overall diameter 3cm-10cm annulus；And uniformly it is provided with 4-10 through hole on the surface of the guide wheel substrate (1) (101) 5-15 guide wheel substrate (1), is fixed into by a guide wheel matrix by bolt (2)；Step 2, the stock of composite coating (3)：1Cr18Mn8Ni5N：1Cr18Mn8Ni5N powder is placed in ball mill, the ball milling 30h-50h under hydrogen shield, formed 10-11 μm of 1Cr18Mn8Ni5N powder；Fe powder, aluminium powder, magnesium powder and FeB powder are placed in ball mill, the ball milling 30h-50h under hydrogen shield, form 12-15 μ M powder；Step 3, wet-milling：Dispensing 1Cr18Mn8Ni5N powder, Fe powder, aluminium powder, magnesium powder and the ferro-boron powder that step 2 is prepared End, using liquid ethanol as ball-milling medium, titanium tetrachloride is added in mechanical milling process, the rotating speed of ball mill is in 90-100r/min, ball milling Time is in 1-3h；Step 4, sieve and dry：The powder of step 3 milled is sieved, places into vacuum drying chamber and dries, be used for Material material during laser melting coating；Step 5, laser cladding coating is carried out in the week side of boss for the guide wheel matrix that guide wheel substrate (1) is formed.
- A kind of 2. rolling guide wheel compound based on cladding coating according to claim 1, it is characterised in that the 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 the week side of boss of guide wheel matrix.
- 3. a kind of rolling guide wheel compound based on cladding coating according to claim 2, it is characterised in that the laser melts Cover scope of the thickness in 0.5cm-3cm of the composite coating (3) of composite hard alloy.
- 4. a kind of preparation method of rolling guide wheel compound based on cladding coating as described in claim 1-3 is any, its feature It is, comprises the following steps：Step 1, the preparation of guide wheel substrate (1), by using Cr12MoV sheet materials, is processed into thickness by way of machining 1mm-20mm, overall diameter 3cm-10cm annulus；And uniformly it is provided with 4-10 through hole on the surface of the guide wheel substrate (1) (101) 5-15 guide wheel substrate (1), is fixed into by a guide wheel matrix by bolt (2)；Step 2, the stock of composite coating (3)：1Cr18Mn8Ni5N：1Cr18Mn8Ni5N powder is placed in ball mill, the ball milling 30h-50h under hydrogen shield, formed 10-11 μm of 1Cr18Mn8Ni5N powder；Fe powder, aluminium powder, magnesium powder and FeB powder are placed in ball mill, the ball milling 30h-50h under hydrogen shield, form 12-15 μ M powder；Step 3, wet-milling：Dispensing 1Cr18Mn8Ni5N powder, Fe powder, aluminium powder, magnesium powder and the ferro-boron powder that step 2 is prepared End, using liquid ethanol as ball-milling medium, titanium tetrachloride is added in mechanical milling process, the rotating speed of ball mill is in 90-100r/min, ball milling Time is in 1-3h；Step 4, sieve and dry：The powder of step 3 milled is sieved, places into vacuum drying chamber and dries, be used for Material material during laser melting coating；Step 5, laser cladding coating is carried out in the week side of boss for the guide wheel matrix that guide wheel substrate (1) is formed.
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| 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 |
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| 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 |
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| CN106238472B true CN106238472B (en) | 2018-01-05 |
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| 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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