CN106756727A - A kind of robot automation's spraying coating process of grinding roller wear-resistant coating - Google Patents
A kind of robot automation's spraying coating process of grinding roller wear-resistant coating Download PDFInfo
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- CN106756727A CN106756727A CN201611097488.XA CN201611097488A CN106756727A CN 106756727 A CN106756727 A CN 106756727A CN 201611097488 A CN201611097488 A CN 201611097488A CN 106756727 A CN106756727 A CN 106756727A
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- grinding roller
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- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
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- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
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- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating By Spraying Or Casting (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of robot automation's spraying coating process of grinding roller wear-resistant coating, its spraying coating process is comprised the following steps：1), the determination of spray gun and turntable kinematic parameter, a), according to the size of grinding roller, calculates turntable rotating speed and spray gun translational speed, and specific calculating process is as follows：The rotation period T of grinding roller is calculated, unit is s,C is grinding roller girth in formula, i.e. C=π D, and D is the diameter of grinding roller, b), according to rotation period calculates turntable rotating speed VTurn,Unit for °/s, c), spray gun translational speed be VRifle,Unit is mm/s.Full-automatic spraying technique of the invention, reach have wide range of applications, easy to operate and efficiency high effect, it is mainly used in preparing high-performance and high reliability wear-resistant coating in roller surface, there is irreplaceable superiority compared to hand spray, it is greatly improved grinding roller parts surface wear-resistant coating quality, and then extend grinding roller part service life, reduce the integrated costs such as the maintenance of grinding roller.
Description
Technical field
The present invention relates to material surface protection technology field, specially a kind of robot automation of grinding roller wear-resistant coating
Spraying coating process.
Background technology
Grinding roller as milling apparatus important core component, in modern cement, electric power, mine, refractory material, coal and change
The industry fields such as work are widely used.Operationally, grinding roller will not only bear the abrasive materials such as rubble and sand grains to milling apparatus
Abrasion, still suffers from certain shock loading, therefore, grinding roller will have wearability and certain toughness higher.Superior performance
Grinding roller can improve grinding efficiency, extension replacement cycle, using electricity wisely and improve flouring technology etc..The wear Protection commonly used at present
Method mainly uses abrasion resistant casting alloy to prepare grinding roller, such as rich chromium cast iron and steel alloy, but only improves grinding roller matrix material
The hardness of material is still not sufficient to ensure that its persistence being on active service.If casting replacing again because of grinding roller wear out failure, Shi Bizao
Into greatly waste, while substantially increasing production cost.
Therefore, grinding roller is repaired and reinforcing is very important.Therefore, using face coat in grinding roller working position
It is to solve the economical and effective means of the problem that technology prepares wear-resistant coating and resists abrasion, so as to extend the use of grinding roller part
In the life-span, equipment operating efficiency is improved, reduce integrated cost, belong to energy-saving and emission-reduction green remanufacturing field.HVAF
(HVOF) technology is used as a kind of advanced re-manufacturing technology, with particle rapidity it is fast, bond strength is high, coat inside is compression
With can with thickness shaping the features such as, be widely used in remanufacturing for all kinds of large-scale wear out failure axles and roller.
It is in actual spraying process to use hand spray mode more, because operator's spraying custom and skilled operation degree are poor
Different, the Parameters variation such as spray gun translational speed and spray distance differs, it is difficult to ensure that uniform coating thickness and steady quality, the porosity
Also have not of uniform size, be not quite similar.Actual military service result shows that the grinding roller parts surface prepared using hand spray mode is resistance to
Mill coating quality is unstable, partial coating premature failure.
Therefore, realize that robotic is sprayed, there is irreplaceable superiority, automatic spraying compared to hand spray
It is the developing direction for solving grinding roller parts surface wear-resistant coating quality stability, is greatly improved grinding roller parts surface wear-resistant coating
Quality, and then extend grinding roller part service life, reduce the integrated costs such as the maintenance of grinding roller.
The content of the invention
(1) technical problem for solving
In view of the shortcomings of the prior art, the robot automation the invention provides a kind of grinding roller wear-resistant coating sprays work
Skill, solves the problems, such as that existing grinding roller part service life is short and maintenance cost is high.
(2) technical scheme
To achieve the above object, the present invention provides following technical scheme：A kind of robot of grinding roller wear-resistant coating is automatic
Change spraying coating process, its spraying coating process is comprised the following steps：
1), the determination of spray gun and turntable kinematic parameter
A), according to the size of grinding roller, turntable rotating speed and spray gun translational speed are calculated, specific calculating process is as follows：Calculate mill
The rotation period T of roller, unit is s,C is grinding roller girth in formula, i.e. C=π D, and D is the diameter of grinding roller；
B) turntable rotating speed V, is calculated according to rotation periodTurn,Unit for °/s；
C), spray gun translational speed is VRifle,Unit is mm/s.
2) automatic spraying program, is worked out, the establishment of teaching machine scene is carried using manipulator or off-line programming software is compiled
System.It is 350-380mm away from gun slot distance that HVAF main program sets roller surface point, and spray gun translational speed is
10-20mm/s, turntable rotating speed is 900-1000 °/s, and supersonic spray coating track is moved towards along grinding roller axial direction.
3), matrix prepares and pre-processes, and sandblasting pretreatment is carried out to grinding roller matrix surface using jet absorption type abrasive blast equipment, sprays
Sand selects 12-16 mesh quartz sands, sandblasting air pressure 0.7-0.8MPa, and sandblasting is apart from 150-160mm, and the compression that spray gun sprays is empty
Gas is cleaned and dried, and relative humidity is less than 20%.So that roller surface drying, free from dust, without grease after cleaning, without dirt and
Without rust staining attachment.Matrix surface requirement after blasting treatment is coarse and uniform, and cleaning requirements reach Sa3.0-4.0, and surface is thick
Rugosity Rz is 70-100 μm.
4), the preparation of wear-resistant coating, using JP-8000 supersonic spray coating system prepares coatings, coating material be WC-Co or
WC-CoCr, spraying parameter is：Oxygen flow 1850-1950SCFH, kerosene oil flow 6-7GPH, powder sending quantity 75-90g/min,
Spray distance 350-380mm, 300-350 μm of coating layer thickness.
A kind of robot of grinding roller wear-resistant coating, including spraying turntable, grinding roller, supersonic spray gun and manipulator,
Grinding roller is provided with the top center of the spraying turntable, supersonic spray gun is fixedly connected with manipulator, spray turntable
It is located on same horizontal line with manipulator, jet and the center of circle at the top of grinding roller of supersonic spray gun are located at same water
On horizontal line.
(3) beneficial effect
The invention provides a kind of robot automation's spraying coating process of grinding roller wear-resistant coating.Possesses following beneficial effect
Really：
(1), the automatic spraying technique that the present invention is used, improves spray-on coating quality, alleviates human users' intensity.
By manipulator clamping supersonic spray gun, automatic spraying program, optimizing regulation spraying parameter, so as in mill are worked out
Roller member working surface prepares the wear-resistant coating of high-performance and high abrasion, improves the service life of grinding roller part.
(2), full-automatic spraying technique of the invention, reach have wide range of applications, easy to operate and efficiency high effect, it is main
It is used to prepare high-performance and high reliability wear-resistant coating in roller surface, has compared to hand spray irreplaceable superior
Property, automatic spraying is the developing direction for solving grinding roller parts surface wear-resistant coating quality stability, is greatly improved grinding roller portion
Part surface wearable coating quality, and then extend grinding roller part service life, reduce the integrated costs such as the maintenance of grinding roller.
Brief description of the drawings
Fig. 1 is the structural representation of grinding roller wear-resistant coating automatic spraying machine people of the present invention.
In figure：1 spraying turntable, 2 grinding rollers, 3 supersonic spray guns, 4 manipulators.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The present invention provides a kind of technical scheme：A kind of robot automation's spraying coating process of grinding roller wear-resistant coating, its spray
Technique is applied to comprise the following steps：
1), the determination of spray gun and turntable kinematic parameter
A), according to the size of grinding roller, turntable rotating speed and spray gun translational speed are calculated, specific calculating process is as follows：Calculate mill
The rotation period T of roller, unit is s,C is grinding roller girth in formula, i.e. C=π D, and D is the diameter of grinding roller；
B) turntable rotating speed V, is calculated according to rotation periodTurn,Unit for °/s；
C), spray gun translational speed is VRifle,Unit is mm/s.
2) automatic spraying program, is worked out, the establishment of teaching machine scene is carried using manipulator or off-line programming software is compiled
System.It is 350-380mm away from gun slot distance that HVAF main program sets roller surface point, and spray gun translational speed is
10-20mm/s, turntable rotating speed is 900-1000 °/s, and supersonic spray coating track is moved towards along grinding roller axial direction.
3), matrix prepares and pre-processes, and sandblasting pretreatment is carried out to grinding roller matrix surface using jet absorption type abrasive blast equipment, sprays
Sand selects 12-16 mesh quartz sands, sandblasting air pressure 0.7-0.8MPa, and sandblasting is apart from 150-160mm, and the compression that spray gun sprays is empty
Gas is cleaned and dried, and relative humidity is less than 20%.So that roller surface drying, free from dust, without grease after cleaning, without dirt and
Without rust staining attachment.Matrix surface requirement after blasting treatment is coarse and uniform, and cleaning requirements reach Sa3.0-4.0, and surface is thick
Rugosity Rz is 70-100 μm.
4), the preparation of wear-resistant coating, using JP-8000 supersonic spray coating system prepares coatings, coating material be WC-Co or
WC-CoCr, spraying parameter is：Oxygen flow 1850-1950SCFH, kerosene oil flow 6-7GPH, powder sending quantity 75-90g/min,
Spray distance 350-380mm, 300-350 μm of coating layer thickness.
As shown in figure 1, a kind of robot of grinding roller wear-resistant coating, including spraying turntable 1, the spray of grinding roller 2, supersonic flame
Rifle 3 and manipulator 4, are provided with grinding roller 2, manipulator 4 at the top center for spraying turntable 1 and are fixedly connected with supersonic flame spray
Rifle 3, spraying turntable 1 and manipulator 4 are located on same horizontal line, jet and the top of grinding roller 2 of supersonic spray gun 3
The center of circle is located on same horizontal line.
The wear-resistant coating prepared using automatic spraying technique, microstructure is good, and the porosity is moderate, and interface cohesion is good
Good, without defects such as microfissure, slag inclusion and fecula in coating, anchoring strength of coating is high, and anti-wear performance is good, and having reached design will
Ask, by wear-resistant coating prepared by above-mentioned technique, significantly improve the anti-wear performance of grinding roller, service life is significantly improved.
Embodiment one
A kind of robot automation's spraying coating process of grinding roller wear-resistant coating, its spraying coating process is comprised the following steps：
1), the determination of spray gun and turntable kinematic parameter
A), according to the size of grinding roller, turntable rotating speed and spray gun translational speed are calculated, specific calculating process is as follows：Calculate mill
The rotation period T of roller, unit is s,C is grinding roller girth in formula, i.e. C=π D, and D is the diameter of grinding roller；
B) turntable rotating speed V, is calculated according to rotation periodTurn,Unit for °/s；
C), spray gun translational speed is VRifle,Unit is mm/s.
2) automatic spraying program, is worked out, the establishment of teaching machine scene is carried using manipulator or off-line programming software is compiled
System.It is 350-380mm away from gun slot distance that HVAF main program sets roller surface point, and spray gun translational speed is
10-20mm/s, turntable rotating speed is 900-1000 °/s, and supersonic spray coating track is moved towards along grinding roller axial direction.
3), matrix prepares and pre-processes, and sandblasting pretreatment is carried out to grinding roller matrix surface using jet absorption type abrasive blast equipment, sprays
Sand selects 12-16 mesh quartz sands, sandblasting air pressure 0.7-0.8MPa, and sandblasting is apart from 150-160mm, and the compression that spray gun sprays is empty
Gas is cleaned and dried, and relative humidity is less than 20%.So that roller surface drying, free from dust, without grease after cleaning, without dirt and
Without rust staining attachment.Matrix surface requirement after blasting treatment is coarse and uniform, and cleaning requirements reach Sa3.0-4.0, and surface is thick
Rugosity Rz is 70-100 μm.
4), the preparation of wear-resistant coating, using JP-8000 supersonic spray coating system prepares coatings, coating material is WC-
12Co, spraying parameter is：Oxygen flow 1950SCFH, kerosene oil flow 6.5GPH, powder sending quantity 75g/min, spray distance
380mm, 350 μm of coating layer thickness.
Embodiment two
A kind of robot automation's spraying coating process of grinding roller wear-resistant coating, its spraying coating process is comprised the following steps：
1), the determination of spray gun and turntable kinematic parameter
A), according to the size of grinding roller, turntable rotating speed and spray gun translational speed are calculated, specific calculating process is as follows：Calculate mill
The rotation period T of roller, unit is s,C is grinding roller girth in formula, i.e. C=π D, and D is the diameter of grinding roller；
B) turntable rotating speed V, is calculated according to rotation periodTurn,Unit for °/s；
C), spray gun translational speed is VRifle,Unit is mm/s.
2) automatic spraying program, is worked out, the establishment of teaching machine scene is carried using manipulator or off-line programming software is compiled
System.It is 350-380mm away from gun slot distance that HVAF main program sets roller surface point, and spray gun translational speed is
10-20mm/s, turntable rotating speed is 900-1000 °/s, and supersonic spray coating track is moved towards along grinding roller axial direction.
3), matrix prepares and pre-processes, and sandblasting pretreatment is carried out to grinding roller matrix surface using jet absorption type abrasive blast equipment, sprays
Sand selects 12-16 mesh quartz sands, sandblasting air pressure 0.7-0.8MPa, and sandblasting is apart from 150-160mm, and the compression that spray gun sprays is empty
Gas is cleaned and dried, and relative humidity is less than 20%.So that roller surface drying, free from dust, without grease after cleaning, without dirt and
Without rust staining attachment.Matrix surface requirement after blasting treatment is coarse and uniform, and cleaning requirements reach Sa3.0-4.0, and surface is thick
Rugosity Rz is 70-100 μm.
4), the preparation of wear-resistant coating, using JP-8000 supersonic spray coating system prepares coatings, coating material is WC-
10Co-4Cr, spraying parameter is：Oxygen flow 1950SCFH, kerosene oil flow 6.5GPH, powder sending quantity 90g/min, spraying away from
From 330mm, 350 μm of coating layer thickness.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (2)
1. a kind of robot automation's spraying coating process of grinding roller wear-resistant coating, it is characterised in that its spraying coating process includes following
Step：
1), the determination of spray gun and turntable kinematic parameter
A), according to the size of grinding roller, turntable rotating speed and spray gun translational speed are calculated, specific calculating process is as follows：Calculate grinding roller
Rotation period T, unit is s,C is grinding roller girth in formula, i.e. C=π D, and D is the diameter of grinding roller；
B) turntable rotating speed V, is calculated according to rotation periodTurn,Unit for °/s；
C), spray gun translational speed is VRifle,Unit is mm/s.
2) automatic spraying program, is worked out, the establishment of teaching machine scene is carried using manipulator or off-line programming software is worked out.It is super
It is 350-380mm that velocity of sound flame-spraying main program sets roller surface point away from gun slot distance, and spray gun translational speed is 10-
20mm/s, turntable rotating speed is 900-1000 °/s, and supersonic spray coating track is moved towards along grinding roller axial direction.
3), matrix prepares and pre-processes, and sandblasting pretreatment, sandblasting choosing are carried out to grinding roller matrix surface using jet absorption type abrasive blast equipment
With 12-16 mesh quartz sands, sandblasting air pressure 0.7-0.8MPa, sandblasting is apart from 150-160mm, and the compressed air that spray gun sprays is clear
Clean and dry, relative humidity is less than 20%.So that roller surface drying, free from dust, without grease after cleaning, without dirt and rustless
Spot attachment.Matrix surface requirement after blasting treatment is coarse and uniform, and cleaning requirements reach Sa3.0-4.0, surface roughness
Rz is 70-100 μm.
4), the preparation of wear-resistant coating, using JP-8000 supersonic spray coating system prepares coatings, coating material is WC-Co or WC-
CoCr, spraying parameter is：Oxygen flow 1850-1950SCFH, kerosene oil flow 6-7GPH, powder sending quantity 75-90g/min, spray
Apply apart from 350-380mm, 300-350 μm of coating layer thickness.
2. a kind of robot of grinding roller wear-resistant coating, including spraying turntable (1), grinding roller (2), supersonic spray gun (3) and
Manipulator (4), it is characterised in that：Grinding roller (2) is provided with the top center of spraying turntable (1), it is fixed in manipulator (4)
Supersonic spray gun (3) is connected with, on same horizontal line, supersonic flame sprays for spraying turntable (1) and manipulator (4)
The jet of rifle (3) is located on same horizontal line with the center of circle at the top of grinding roller (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611097488.XA CN106756727A (en) | 2016-12-02 | 2016-12-02 | A kind of robot automation's spraying coating process of grinding roller wear-resistant coating |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611097488.XA CN106756727A (en) | 2016-12-02 | 2016-12-02 | A kind of robot automation's spraying coating process of grinding roller wear-resistant coating |
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Family
ID=58883306
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| CN201611097488.XA Pending CN106756727A (en) | 2016-12-02 | 2016-12-02 | A kind of robot automation's spraying coating process of grinding roller wear-resistant coating |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109234664A (en) * | 2018-11-16 | 2019-01-18 | 东莞协旭机械有限公司 | Corrugator roller surface heat treatment device and the heat treatment system for applying it |
| CN110238482A (en) * | 2019-07-08 | 2019-09-17 | 福尼斯(南京)表面工程技术有限公司 | The welding method of robot automation's two-step method flame spray welding tungsten carbide of nickel-base |
| CN110238483A (en) * | 2019-07-08 | 2019-09-17 | 福尼斯(南京)表面工程技术有限公司 | The welding method of robot automation's one-step method flame spray welding tungsten carbide of nickel-base |
| CN111057987A (en) * | 2019-12-20 | 2020-04-24 | 东方电气集团东方汽轮机有限公司 | Preparation method of high-temperature wear-resistant coating for flat plate gas turbine product |
| CN112344989A (en) * | 2020-10-15 | 2021-02-09 | 济南万通铸造装备工程有限公司 | Rapid determination method for thermal insulation pipe spraying parameters |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109234664A (en) * | 2018-11-16 | 2019-01-18 | 东莞协旭机械有限公司 | Corrugator roller surface heat treatment device and the heat treatment system for applying it |
| CN110238482A (en) * | 2019-07-08 | 2019-09-17 | 福尼斯(南京)表面工程技术有限公司 | The welding method of robot automation's two-step method flame spray welding tungsten carbide of nickel-base |
| CN110238483A (en) * | 2019-07-08 | 2019-09-17 | 福尼斯(南京)表面工程技术有限公司 | The welding method of robot automation's one-step method flame spray welding tungsten carbide of nickel-base |
| CN110238483B (en) * | 2019-07-08 | 2021-06-08 | 福尼斯(南京)表面工程技术有限公司 | Welding method for welding nickel-based tungsten carbide through automatic one-step flame spray welding by robot |
| CN110238482B (en) * | 2019-07-08 | 2021-06-08 | 福尼斯(南京)表面工程技术有限公司 | Welding method for welding nickel-based tungsten carbide through automatic two-step flame spray welding by robot |
| CN111057987A (en) * | 2019-12-20 | 2020-04-24 | 东方电气集团东方汽轮机有限公司 | Preparation method of high-temperature wear-resistant coating for flat plate gas turbine product |
| CN112344989A (en) * | 2020-10-15 | 2021-02-09 | 济南万通铸造装备工程有限公司 | Rapid determination method for thermal insulation pipe spraying parameters |
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Address after: 410000 No. 9 Jiayuan Road, Huanli Street, Changsha Economic Development Zone, Hunan Province Applicant after: Hunan Metallurgical Materials Research Institute Co., Ltd. Address before: 410000 No. 9 Jiayuan Road, Huanli Street, Changsha Economic Development Zone, Hunan Province Applicant before: Metallurgical material research institute of Hunan Province |
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Application publication date: 20170531 |