CN106670668A - Surfacing process for anti-corrosion layer of anti-corrosion grinding roller - Google Patents
Surfacing process for anti-corrosion layer of anti-corrosion grinding roller Download PDFInfo
- Publication number
- CN106670668A CN106670668A CN201611103065.4A CN201611103065A CN106670668A CN 106670668 A CN106670668 A CN 106670668A CN 201611103065 A CN201611103065 A CN 201611103065A CN 106670668 A CN106670668 A CN 106670668A
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- CN
- China
- Prior art keywords
- weldment
- welding
- corrosion
- anticorrosion layer
- grinding roller
- Prior art date
- 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
-
- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Coating By Spraying Or Casting (AREA)
- Arc Welding In General (AREA)
Abstract
The invention provides a surfacing process for an anti-corrosion layer of an anti-corrosion grinding roller. The surfacing process comprises the following steps of (1) surface treatment on a weldment; (2) preheating treatment on the weldment, specifically, the weldment is put into a preheating furnace to be preheated after being subjected to surface cleaning; (3) surfacing machining on the anti-corrosion layer of the weldment, specifically, three times of surfacing treatment is conducted on the anti-corrosion layer of the weldment subjected to surface treatment; and (4) anti-corrosion coating machining on the anti-corrosion layer of the weldment, specifically, the washed weldment surface is subjected to anti-corrosion coating machining. By adoption of the surfacing process, the anti-corrosion capacity of the surface of the weldment is improved, the smoothness of the surface of the weldment is increased, meanwhile, the phenomenon that the quality of the grinding roller is affected by surface cracks caused by corrosion on the surface of the weldment is prevented, the service life of the grinding roller can be prolonged, and the replacement and maintenance cost of the grinding roller can be lowered.
Description
Technical field
The present invention relates to technique for overlaying field, particularly relates to the application in terms of grinding roll overlaying corrosion-resistance treatment, especially relate to
And to a kind of anticorrosion layer bead-welding technology of corrosion resistant type grinding roller.
Background technology
With China's expanding economy, the living standard of people is also increased considerably, growth in the living standard, modern water
Mud, electric power etc. widely use milling apparatus, and in milling apparatus, mixing roll is the vitals crushed to material, while
The safe operation of mixing roll is even more and determines the realization that this enterprise brings benefits, but when using and storing, due to external environment
Rather harsh causes the surface of weldment to cause substantial amounts of corrosion and fracture, and the quality of grinding roller is impacted, and can affect mill
Roller is normally used, and shortens the service life of grinding roller, increases the cost changed and keep in repair, and reduces grinding roller into producing efficiency.
Therefore it provides a kind of anticorrosion layer bead-welding technology of corrosion resistant type grinding roller, to being carried out by the surface of butt-welding fitting
Addition corrosion-inhibiting coating, improves the resistance to corrosion on weldment surface, the smooth degree on weldment surface is improved, while preventing weldment surface
Suffer erosion, cause alligatoring, affect the quality of grinding roller, the service life of grinding roller can be extended, reduce changing and keeping in repair into
This, the problem with regard to becoming those skilled in the art's urgent need to resolve.
The content of the invention
It is an object of the invention to provide a kind of anticorrosion layer bead-welding technology of corrosion resistant type grinding roller, to butt-welding fitting can be passed through
Surface is added corrosion-inhibiting coating, improves the resistance to corrosion on weldment surface, the smooth degree on weldment surface is improved, while preventing
Weldment surface suffers erosion, and causes alligatoring, affects the quality of grinding roller, can extend the service life of grinding roller, reduces changing
And maintenance cost.
To solve technical problem described in background technology, the present invention is employed the following technical solutions：
A kind of anticorrosion layer bead-welding technology of corrosion resistant type grinding roller, the technique is comprised the following steps：
(1) weldment surface treatment, by weldment to be welded cleaning treatment is carried out, and first surface is finely beaten before cleaning
Mill, after surface polishing is smoothed, is further being cleaned using the surface of ethanol rinse butt-welding fitting.
(2) weldment the pre-heat treatment, after the completion of removing surface, weldment is placed into preheat carry out in stove pre-add heat treatment.
(3) weldment anticorrosion layer built-up welding processing, the weldment after the completion of surface is processed is divided into three times to be carried out to anticorrosion layer
Built-up welding is processed：A, basal layer built-up welding are processed；B, enhancement layer built-up welding are processed；C, anticorrosion layer bead-welding technology, after the completion of anticorrosion layer built-up welding
Butt-welding fitting surface is made annealing treatment, and when weldment surface temperature is dropped to into room temperature, overlay surface is finely polished, then
Surface is carried out into bath cleaning.
(4) processing of weldment anticorrosion layer corrosion-inhibiting coating, by the weldment surface after the completion of flushing anti-corrosion coating processing is carried out.
Preferably, preheating temperature during weldment the pre-heat treatment in described step 2 is 85-110 DEG C/min, Neng Gouti
Bonding strength between the anticorrosion layer and erosion shield on high weldment surface, and increase the uniformity that erosion shield is smeared,
Improve etch-proof intensity.
Preferably, processed using rotation built-up welding when built-up welding is carried out in described step 3, and the rotation speed of weldment during built-up welding
Spend for 35-50r/min, it is possible to increase the uniformity of weldment surface overlaying.
Preferably, the thickness of the anticorrosion layer in described step 3 is 65-85mm.
Preferably, butt-welding fitting anticorrosion layer corrosion-inhibiting coating adds man-hour in described step 4, and the anticorrosion coating material for using is three
Layer PE anticorrosive coats, and 100-120 μm of corrosion-inhibiting coating.
Preferably, butt-welding fitting anticorrosion layer corrosion-inhibiting coating adds man-hour in described step step 4, needs butt-welding fitting surface to carry out pre-
Heat treatment, and the temperature for preheating is 40-60 DEG C.
The present invention is added corrosion-inhibiting coating by the surface of butt-welding fitting, improves the resistance to corrosion on weldment surface, improves
The smooth degree on weldment surface, while preventing weldment surface from suffering erosion, causes alligatoring, affects the quality of grinding roller, passes through
The pre-heat treatment carried out when adding to erosion shield, it is possible to increase viscous between the anticorrosion layer and erosion shield on weldment surface
Intensity is closed, and increases the uniformity that erosion shield is smeared, improve etch-proof intensity.
The invention has the beneficial effects as follows：
1) resistance to corrosion on weldment surface, is improved, the smooth degree on weldment surface is improved.
2), prevent weldment surface from suffering erosion, cause alligatoring, affect the quality of grinding roller, making for grinding roller can be extended
With the life-span, replacement and maintenance cost is reduced.
Specific embodiment
In order that those skilled in the art more fully understands technical scheme, the present invention will be made into one below
What is walked is discussed in detail.
A kind of anticorrosion layer bead-welding technology of corrosion resistant type grinding roller, the technique is comprised the following steps：
(1) weldment surface treatment, by weldment to be welded cleaning treatment is carried out, and first surface is finely beaten before cleaning
Mill, after surface polishing is smoothed, is further being cleaned using the surface of ethanol rinse butt-welding fitting.
(2) weldment the pre-heat treatment, after the completion of removing surface, weldment is placed into preheat carry out in stove pre-add heat treatment.
(3) weldment anticorrosion layer built-up welding processing, the weldment after the completion of surface is processed is divided into three times to be carried out to anticorrosion layer
Built-up welding is processed：A, basal layer built-up welding are processed；B, enhancement layer built-up welding are processed；C, anticorrosion layer bead-welding technology, after the completion of anticorrosion layer built-up welding
Butt-welding fitting surface is made annealing treatment, and when weldment surface temperature is dropped to into room temperature, overlay surface is finely polished, then
Surface is carried out into bath cleaning.
(4) processing of weldment anticorrosion layer corrosion-inhibiting coating, by the weldment surface after the completion of flushing anti-corrosion coating processing is carried out.
Further, preheating temperature during weldment the pre-heat treatment in described step 2 is 95 DEG C/min, it is possible to increase weldering
Bonding strength between the anticorrosion layer and erosion shield on part surface, and increase the uniformity that erosion shield is smeared, improve
Etch-proof intensity.
Further, processed using rotation built-up welding when built-up welding is carried out in described step 3, and the rotation of weldment during built-up welding
Speed is 45r/min, it is possible to increase the uniformity of weldment surface overlaying.
Further, the thickness of the anticorrosion layer in described step 3 is 75mm.
Further, butt-welding fitting anticorrosion layer corrosion-inhibiting coating adds man-hour in described step 4, and the anticorrosion coating material for using is
Three-layer PE, and 110 μm of corrosion-inhibiting coating.
Further, butt-welding fitting anticorrosion layer corrosion-inhibiting coating adds man-hour in described step step 4, needs butt-welding fitting surface to carry out
The pre-heat treatment, and the temperature for preheating is 50 DEG C.
Some one exemplary embodiments of the present invention are only described by way of explanation above, undoubtedly, for ability
The those of ordinary skill in domain, in the case of without departing from the spirit and scope of the present invention, can with a variety of modes to institute
The embodiment of description is modified.Therefore, foregoing description is inherently illustrative, and should not be construed as will to right of the present invention
Ask the restriction of protection domain.
Claims (6)
1. a kind of anticorrosion layer bead-welding technology of corrosion resistant type grinding roller, it is characterised in that the technique is comprised the following steps：
(1) weldment surface treatment, by weldment to be welded cleaning treatment is carried out, and first surface is finely polished before cleaning,
After surface polishing is smoothed, further cleaned using the surface of ethanol rinse butt-welding fitting.
(2) weldment the pre-heat treatment, after the completion of removing surface, weldment is placed into preheat carry out in stove pre-add heat treatment.
(3) weldment anticorrosion layer built-up welding processing, the weldment after the completion of surface is processed is divided into three times carries out built-up welding to anticorrosion layer
Process：A, basal layer built-up welding are processed；B, enhancement layer built-up welding are processed；C, anticorrosion layer bead-welding technology, butt welding after the completion of anticorrosion layer built-up welding
Part surface is made annealing treatment, and when weldment surface temperature is dropped to into room temperature, overlay surface is finely polished, then by table
Face carries out bath cleaning.
(4) processing of weldment anticorrosion layer corrosion-inhibiting coating, by the weldment surface after the completion of flushing anti-corrosion coating processing is carried out.
2. a kind of anticorrosion layer bead-welding technology of corrosion resistant type grinding roller according to claim 1, it is characterised in that described step
Preheating temperature during weldment the pre-heat treatment in 2 is 85-110 DEG C/min.
3. a kind of anticorrosion layer bead-welding technology of corrosion resistant type grinding roller according to claim 1, it is characterised in that described step
Processed using rotation built-up welding when built-up welding is carried out in 3, and the rotary speed of weldment during built-up welding is 35-50r/min.
4. a kind of anticorrosion layer bead-welding technology of corrosion resistant type grinding roller according to claim 1, it is characterised in that described step
The thickness of the anticorrosion layer in 3 is 65-85mm.
5. a kind of anticorrosion layer bead-welding technology of corrosion resistant type grinding roller according to claim 1, it is characterised in that described step
In 4 butt-welding fitting anticorrosion layer corrosion-inhibiting coating adds man-hour, and the anticorrosion coating material for using is Three-layer PE, and corrosion-inhibiting coating
100—120μm。
6. a kind of anticorrosion layer bead-welding technology of corrosion resistant type grinding roller according to claim 1, it is characterised in that described step
Butt-welding fitting anticorrosion layer corrosion-inhibiting coating adds man-hour in step 4, needs butt-welding fitting surface to carry out the pre-heat treatment, and the temperature for preheating be 40-
60℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611103065.4A CN106670668A (en) | 2016-12-05 | 2016-12-05 | Surfacing process for anti-corrosion layer of anti-corrosion grinding roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611103065.4A CN106670668A (en) | 2016-12-05 | 2016-12-05 | Surfacing process for anti-corrosion layer of anti-corrosion grinding roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106670668A true CN106670668A (en) | 2017-05-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611103065.4A Pending CN106670668A (en) | 2016-12-05 | 2016-12-05 | Surfacing process for anti-corrosion layer of anti-corrosion grinding roller |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1811257A (en) * | 2005-12-31 | 2006-08-02 | 天华化工机械及自动化研究设计院 | Cold winding and hot smelting process to form three anti-corrosive PE layers for steel pipe and elbow |
| CN101104180A (en) * | 2006-07-14 | 2008-01-16 | 首钢总公司燕郊机械厂 | Technology for repairing semi-steel roller with flux-core welding wire built-up welding |
| CN104416293A (en) * | 2013-08-23 | 2015-03-18 | 中冶东方工程技术有限公司秦皇岛研究设计院 | Composite overlaying manufacturing method of casting roller |
| US20150252631A1 (en) * | 2014-03-10 | 2015-09-10 | Postle Industries, Inc. | Hardbanding method and apparatus |
| CN105127686A (en) * | 2015-09-23 | 2015-12-09 | 邢立杰 | Tension leveler roller preparation process |
| CN105436665A (en) * | 2015-12-16 | 2016-03-30 | 秦皇岛鸿翔焊业有限公司 | Surfacing reconstructed layer of large hot-rolled supporting roll Cr4 and method for repairing roll |
-
2016
- 2016-12-05 CN CN201611103065.4A patent/CN106670668A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1811257A (en) * | 2005-12-31 | 2006-08-02 | 天华化工机械及自动化研究设计院 | Cold winding and hot smelting process to form three anti-corrosive PE layers for steel pipe and elbow |
| CN101104180A (en) * | 2006-07-14 | 2008-01-16 | 首钢总公司燕郊机械厂 | Technology for repairing semi-steel roller with flux-core welding wire built-up welding |
| CN104416293A (en) * | 2013-08-23 | 2015-03-18 | 中冶东方工程技术有限公司秦皇岛研究设计院 | Composite overlaying manufacturing method of casting roller |
| US20150252631A1 (en) * | 2014-03-10 | 2015-09-10 | Postle Industries, Inc. | Hardbanding method and apparatus |
| CN105127686A (en) * | 2015-09-23 | 2015-12-09 | 邢立杰 | Tension leveler roller preparation process |
| CN105436665A (en) * | 2015-12-16 | 2016-03-30 | 秦皇岛鸿翔焊业有限公司 | Surfacing reconstructed layer of large hot-rolled supporting roll Cr4 and method for repairing roll |
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Application publication date: 20170517 |