CN104789962B - A kind of scraper plate reproducing method - Google Patents
A kind of scraper plate reproducing method Download PDFInfo
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- CN104789962B CN104789962B CN201510227152.XA CN201510227152A CN104789962B CN 104789962 B CN104789962 B CN 104789962B CN 201510227152 A CN201510227152 A CN 201510227152A CN 104789962 B CN104789962 B CN 104789962B
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Abstract
The invention discloses a kind of scraper plate reproducing method, belong to machinery manufacturing technology field, the wear out failure amount at each position of measurement scraper plate, according to wear out failure amount and abrading section, remanufactured using alloy powder laser melting and coating process or manual Welding, finally, scraper plate by remanufacturing is cleared up, and make preservative treatment, the present invention has low cost, the characteristics of effectively improving the wear resistance for remanufacturing scraper plate, in terms of the hardness and amount of deflection of scraper plate, remanufacture scraper plate suitable with the performance of new product, the even better than performance of new product, blank consumption can effectively be reduced, improve resource recycling rate.
Description
Method field
The invention belongs to machinery manufacturing technology field, in particular to a kind of scraper plate reproducing method.
Background method
Scrapper conveyor is a kind of flight chain by means of motion conveys the continuous transport equipment of bulk material, and its is extensive
Suitable for industries such as metallurgy, building materials, electric power, chemical industry, cement, harbour, harbour, coal, mine, grain and oil, food, feeds.
In the running of scrapper conveyor, frictional force, pressure of conveying material of chain and intermediate channel etc., easily to scraper plate
Cause certain abrasion and deformation.Therefore, the producer needs to inspect periodically the wear intensity of scraper plate.The scraper plate small for wear extent enters
Row is remanufactured;The scraper plate big for wear extent is directly scrapped, it is ensured that safety in production.How to wear and tear scraper plate remanufacture,
Make it have with new product same performance even better than new product performance, be a problem for worth technical staff's deep thinking.
The content of the invention
For defect present in existing method and deficiency, the invention provides a kind of low cost, resource recycling rate
Scraper plate reproducing method that is high, effectively improving wear resistance.
To achieve the above object, the invention provides a kind of scraper plate reproducing method, comprise the following steps:
(1) the wear out failure amount at each position of measurement abrasion scraper plate, according to wear out failure amount and abrading section, using alloyed powder
Last laser melting and coating process or manual Welding are remanufactured;
It is described use the specific method that alloy powder laser melting and coating process is remanufactured for:
A, work as 0.2mm<Wear out failure amount≤1.5mm, other abrading sections in addition to termination of abrasion scraper plate, using by alloy
The direct cladding of powder one to the technique of abrading section is remanufactured;
B, work as 1.5mm<Wear out failure amount≤3.1mm, other abrading sections in addition to termination of abrasion scraper plate, using by alloy
The cladding of powder two to abrading section, as bottoming cladding layer, then by the cladding of alloy powder one to bottoming clad layer surface, as lid
The technique of face cladding layer is remanufactured;
C, work as 3.1mm<Wear out failure amount≤6mm, other abrading sections in addition to termination of abrasion scraper plate, using by alloyed powder
Last two claddings to abrading section, as bottoming cladding layer, then by the cladding of alloy powder one to bottoming clad layer surface, as lid
Face cladding layer, repeating carries out the technique of bottoming cladding layer and capping cladding layer operation and is remanufactured;
The alloy powder one includes following mass fraction formula components:
Carbon 0.10-0.18 parts, boron 0.7-1.1 parts, silicon 1.1-1.3 parts, manganese 0.3-0.7 parts, chromium 15.2-16.5 parts, molybdenum
1.30-1.85 parts, nickel 3.5-4.0 parts, phosphorus 0.025-0.027 parts, sulphur 0.008-0.01 parts, oxygen 0.07-0.09 parts and iron
74.143-77.597 parts;
The alloy powder two includes following mass fraction formula components:
Carbon 0.06-0.09 parts, chromium 18-19 parts, manganese 0.6-1.0 parts, silicon 0.7-0.9 parts, nickel 23-30 parts, molybdenum 2.5-3 parts and
Iron 46.01-54.14 parts;
(2) scraper plate remanufactured by step (1) is cleared up, and makees preservative treatment.
Further, before step (1), also including carrying out pretreatment process to abrasion scraper plate, the pretreatment refers to right
Scraper plate carries out overall sandblasting, removes blade surface oil stain, rusty stain, and the face that remanufactures to scraper plate is polished polishing, until exposing
Metallic luster.
Further, the welding rod that the manual welding is used includes common welding rod and Castolin shock peening series welding rod.
Further, in the step (1), according to wear out failure amount and abrading section, made again using manual Welding
The specific method made is:
(1) 0.2mm is worked as<Wear out failure amount≤1.5mm, the termination of the scraper plate that weares and teares is used Castolin shock peening series
The technique that welding rod is directly welded is remanufactured;
(2) 1.5mm is worked as<Wear out failure amount≤3.1mm, the termination of the scraper plate that weares and teares uses and for common welding rod to be soldered to wear
Position, Castolin shock peening series welding rod as bottoming weld layer, then is soldered to backing welding and connects layer surface, used as cosmetic welding
The technique for connecing layer is remanufactured;
(3) 3.1mm is worked as<Wear out failure amount≤6mm, the termination of the scraper plate that weares and teares uses and for common welding rod to be soldered to wear
Position, Castolin shock peening series welding rod as bottoming weld layer, then is soldered to backing welding and connects layer surface, used as cosmetic welding
The technique for connecing layer is remanufactured.
Further, the alloy powder one can carry out cladding using carbon dioxide laser, and power is 6500-7200W,
Linear velocity is 7-9mm/s, and step pitch is 5-7mm;Cladding can also be carried out using semiconductor laser, power is 2900-3100W,
Linear velocity is 5-7mm/s, and step pitch is 6-8mm.
Further, the alloy powder two can carry out cladding using carbon dioxide laser, and power is 6800-7200w,
Linear velocity is 7-9mm/s, and step pitch is 5-7mm;Cladding can also be carried out using semiconductor laser, power is 2950-3050w,
Linear velocity is 7-9mm/s, and step pitch is 5-7mm.
The alloy powder one is used as capping cladding layer, the characteristics of it has low coefficient of friction, excellent in abrasion resistance, Ke Yiyou
The wear resistance of scraper plate is remanufactured described in effect raising;The alloy powder two be used as bottoming cladding layer, its have hardness it is low, from
The characteristics of fusibleness is good, promotes the bottoming cladding layer to be played a transition role between scraper plate matrix and capping cladding layer;
The common welding rod has that hardness is low, lower-cost feature;The Castolin shock peening series welding electrode
Initial hardness is 90-100HB after being connected into shape, and it has splendid impact resistance and high setting rate;By common welding rod and
Castolin shock peening series welding rod is used in combination, and is conducive to improving the wear resistance for remanufacturing scraper plate, reduces cost.
Beneficial effects of the present invention are as follows:
The present invention is remanufactured using laser melting and coating process and manual Welding to the scraper plate for wearing and tearing, with low cost,
The characteristics of effectively improving the wear resistance for remanufacturing scraper plate, in terms of the hardness and amount of deflection of scraper plate, remanufactures scraper plate and new product
Performance quite, the even better than performance of new product, meanwhile, remanufactured by the scraper plate for wearing and tearing, can effectively reduce hair
Base consumption, raising resource recycling rate.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the method scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that this area commonsense method personnel are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment one:
A kind of scraper plate reproducing method, comprises the following steps:
(1) the wear out failure amount at each position of measurement abrasion scraper plate, according to wear out failure amount and abrading section, using alloyed powder
Last laser melting and coating process or manual Welding are remanufactured;
(2) scraper plate remanufactured by step (1) is cleared up, and makees preservative treatment;
Wherein, before step (1), also including carrying out pretreatment process to abrasion scraper plate, the pretreatment refers to scraping
Plate carries out overall sandblasting, removes blade surface oil stain, rusty stain, and the face that remanufactures to scraper plate is polished polishing, until exposing gold
Category gloss.
In the step (1), according to wear out failure amount and abrading section, carried out again using alloy powder laser melting and coating process
The specific method of manufacture is:
(1) 0.2mm is worked as<Wear out failure amount≤1.5mm, other abrading sections of abrasion scraper plate in addition to termination, use will be closed
Bronze end one direct cladding to the technique of abrading section is remanufactured;
The alloy powder one includes following mass fraction formula components:Carbon 0.10-0.18 parts, boron 0.7-1.1 parts, silicon
1.1-1.3 parts, manganese 0.3-0.7 parts, chromium 15.2-16.5 parts, molybdenum 1.30-1.85 parts, nickel 3.5-4.0 parts, phosphorus 0.025-0.027
Part, sulphur 0.008-0.01 parts, oxygen 0.07-0.09 parts and iron 74.143-77.597 parts;
The alloy powder one can carry out cladding, 0.2mm using carbon dioxide laser<Cladding thickness≤1.5mm, work(
Rate is 6500-7200W, and linear velocity is 7-9mm/s, and step pitch is 5-7mm;Cladding can also be carried out using semiconductor laser,
0.2mm<Cladding thickness≤1.5mm, power is 2900-3100W, and linear velocity is 5-7mm/s, and step pitch is 6-8mm;
(2) 1.5mm is worked as<Wear out failure amount≤3.1mm, other abrading sections of abrasion scraper plate in addition to termination, use will be closed
Bronze two claddings of end to abrading section, as bottoming cladding layer, then by the cladding of alloy powder one to bottoming clad layer surface, as
The technique of capping cladding layer is remanufactured;
The alloy powder two includes following mass fraction formula components:Carbon 0.06-0.09 parts, chromium 18-19 parts, manganese 0.6-
1.0 parts, silicon 0.7-0.9 parts, nickel 23-30 parts, molybdenum 2.5-3 parts and iron 46.01-54.14 parts;
The alloy powder two can carry out cladding using carbon dioxide laser, and power is 6800-7200w, 1.3mm<
Cladding thickness≤1.6mm, linear velocity is 7-9mm/s, and step pitch is 5-7mm;Cladding, work(can also be carried out using semiconductor laser
Rate is 2950-3050w, 1.3mm<Cladding thickness≤1.6mm, linear velocity is 7-9mm/s, and step pitch is 5-7mm;
(3) 3.1mm is worked as<Wear out failure amount≤6mm, other abrading sections in addition to termination of abrasion scraper plate, using by alloy
The cladding of powder two to abrading section, as bottoming cladding layer, then by the cladding of alloy powder one to bottoming clad layer surface, as
Capping cladding layer, repeating carries out the technique of bottoming cladding layer and capping cladding layer operation and is remanufactured;
(4) when wear out failure amount>6mm, the scraper plate is directly scrapped, and not repairs.
In the step (1), according to wear out failure amount and abrading section, using manual Welding remanufactured it is specific
Method is:
(1) 0.2mm is worked as<Wear out failure amount≤1.5mm, the termination of the scraper plate that weares and teares is used Castolin shock peening series
The technique that welding rod is directly welded is remanufactured;
(2) 1.5mm is worked as<Wear out failure amount≤3.1mm, the termination of the scraper plate that weares and teares uses and for common welding rod to be soldered to wear
Position, Castolin shock peening series welding rod as bottoming weld layer, then is soldered to backing welding and connects layer surface, used as cosmetic welding
The technique for connecing layer is remanufactured;
(3) 3.1mm is worked as<Wear out failure amount≤6mm, the termination of the scraper plate that weares and teares uses and for common welding rod to be soldered to wear
Position, Castolin shock peening series welding rod as bottoming weld layer, then is soldered to backing welding and connects layer surface, used as cosmetic welding
The technique for connecing layer is remanufactured;
(4) when wear out failure amount>6mm, the scraper plate is directly scrapped, and not repairs.
The welding rod that the manual welding is used includes common welding rod and Castolin shock peening series welding rod, and the welding rod is straight
Footpath is 4mm, and electric current is 140-150A;The termination is located at the two ends of scraper plate length direction.
Embodiment two:
A kind of scraper plate reproducing method according to embodiment one, comprises the following steps:
1st, 0.2mm is worked as<Wear out failure amount≤1.5mm, other abrading sections of abrasion scraper plate in addition to termination, can use
Laser melting and coating process is remanufactured, and is comprised the following steps:
(1) carbon dioxide laser is used by the cladding of alloy powder one to abrading section.
The alloy powder one, including following mass fraction formula components:0.10 part of carbon, 0.7 part of boron, 1.1 parts of silicon, manganese
74.143 parts of 0.3 part, 15.2 parts of chromium, 1.30 parts of molybdenum, 3.5 parts of nickel, 0.025 part of phosphorus, 0.008 part of sulphur, 0.07 part of oxygen and iron;
When the carbon dioxide laser carries out cladding to alloy powder one, 0.2mm<Cladding thickness≤1.5mm, power is
6500W, linear velocity is 7mm/s, and step pitch is 5mm.
2nd, 0.2mm is worked as<Wear out failure amount≤1.5mm, the termination of the scraper plate that weares and teares is remanufactured using manual Welding, is wrapped
Include following steps:
(1) welded using the Castolin shock peening series welding rod of a diameter of 4mm, current control is 140A,
0.2mm<Throat thickness≤1.5mm.
In the present embodiment, other abrading sections of abrasion scraper plate in addition to termination directly carry out the cladding work of alloy powder one
Skill, the welding procedure of Castolin shock peening series welding rod is carried out in the end of abrasion scraper plate, remanufactures process is simple, profit
In operation, low cost.
Embodiment three:
A kind of scraper plate reproducing method according to embodiment one, comprises the following steps:
1st, 1.5mm is worked as<Wear out failure amount≤3.1mm, other abrading sections of abrasion scraper plate in addition to termination, can use
Laser melting and coating process is remanufactured, and is comprised the following steps:
(1) using semiconductor laser by the cladding of alloy powder two to abrading section, as bottoming cladding layer;
(2) using semiconductor laser by the cladding of alloy powder one to bottoming clad layer surface, as capping cladding layer.
The alloy powder one, including following mass fraction formula components:0.14 part of carbon, 0.9 part of boron, 1.2 parts of silicon, manganese
75.82 parts of 0.5 part, 15.9 parts of chromium, 1.63 parts of molybdenum, 3.7 parts of nickel, 0.026 part of phosphorus, 0.009 part of sulphur, 0.08 part of oxygen and iron;
The alloy powder two, including following mass fraction formula components:0.07 part of carbon, 18.5 parts of chromium, 0.8 part of manganese, silicon
50.08 parts of 0.8 part, 26.5 parts of nickel, 2.7 parts of molybdenum and iron;
When the semiconductor laser carries out cladding to alloy powder one, 0.2mm<Cladding thickness≤1.5mm, power
3000W, linear velocity is 6mm/s, and step pitch is 7mm;
When the semiconductor laser carries out cladding to alloy powder two, 1.3mm<Cladding thickness≤1.6mm, power is
3000w, linear velocity is 8mm/s, and step pitch is 6mm.
2nd, 1.5mm is worked as<Wear out failure amount≤3.1mm, the termination of the scraper plate that weares and teares is remanufactured using manual Welding, is wrapped
Include following steps:
(1) bottoming welding is carried out using common welding rod, as bottoming weld layer, 1.3mm<Throat thickness≤1.6mm;
(2) backing welding is soldered to using Castolin shock peening series welding rod and connects layer surface, as cover welding layer,
0.2mm<Throat thickness≤1.5mm.
A diameter of 4mm of the common welding rod and Castolin shock peening series welding rod, current control is 150A.
In the present embodiment, alloy powder one is combined into cladding with alloy powder two, common welding rod and Castolin are impacted
The serial welding rod of hardening combines welding, is favorably improved the wear resistance for remanufacturing position.
Example IV:
A kind of scraper plate reproducing method according to embodiment one, comprises the following steps:
1st, 3.1mm is worked as<Wear out failure amount≤6mm, other abrading sections of abrasion scraper plate in addition to termination, can be using sharp
Light melting and coating process is remanufactured, and is comprised the following steps:
(1) using carbon dioxide laser by the cladding of alloy powder two to abrading section, as bottoming cladding layer one;
(2) using semiconductor laser by the surface of bottoming cladding layer one of the cladding of alloy powder one to step (1), as lid
Face cladding layer one;
(3) using carbon dioxide laser by the surface of capping cladding layer one of the cladding of alloy powder two to step (2), as
Bottoming cladding layer two;
(4) using semiconductor laser by the surface of bottoming cladding layer two of the cladding of alloy powder one to step (3), as lid
Face cladding layer two.
The alloy powder one, including following mass fraction formula components:0.18 part of carbon, 1.1 parts of boron, 1.3 parts of silicon, manganese
77.597 parts of 0.7 part, 16.5 parts of chromium, 1.85 parts of molybdenum, 4.0 parts of nickel, 0.027 part of phosphorus, 0.01 part of sulphur, 0.09 part of oxygen and iron;
The alloy powder two, including following mass fraction formula components:0.09 part of carbon, 19 parts of chromium, 1.0 parts of manganese, silicon 0.9
Part, 30 parts of nickel, 3 parts of molybdenum and 54.14 parts of iron;
When the semiconductor laser carries out cladding to alloy powder one, 0.2mm<Cladding thickness≤1.5mm, power is
3100W, linear velocity is 7mm/s, and step pitch is 8mm;
When the carbon dioxide laser carries out cladding to alloy powder two, 1.3mm<Cladding thickness≤1.6mm, power is
7200w, linear velocity is 9mm/s, and step pitch is 7mm.
2nd, 3.1mm is worked as<Wear out failure amount≤6mm, the termination of the scraper plate that weares and teares is remanufactured using manual Welding, including
Following steps:
(1) bottoming welding is carried out using common welding rod, as bottoming weld layer, 2.9mm<Throat thickness≤4.5mm;
(2) backing welding is soldered to using Castolin shock peening series welding rod and connects layer surface, as cover welding layer,
0.2mm<Throat thickness≤1.5mm.
A diameter of 4mm of the common welding rod and Castolin shock peening series welding rod, current control is 150A.
3rd, when wear out failure amount>6mm, the scraper plate is directly scrapped, and not repairs.
In the present embodiment, alloy powder one is repeatedly combined into cladding with alloy powder two, both reach abrading section
Standard size, and the wear resistance for remanufacturing position can be improved.
Experiment one:
Take new product matrix A, randomly select using the present invention relates to scraper plate re-manufacturing technology carry out remanufacturing scraper plate
Capping cladding layer B, the cover welding layer C of termination, and weigh weight respectively, as weight before experiment, by A, B, C respectively with 45 steel
Mill is operated, 1.5h is controlled to time consuming, the weight of A, B, C is weighed again, as weight after experiment, the experiment for drawing
Data such as table 1:
Table 1:
Material | Weight (g) before experiment | Weight (g) after experiment | Weight difference (g) |
New product matrix A | 7.5658 | 7.5672 | 0.0014 |
Capping cladding layer B | 14.3846 | 14.3830 | 0.0016 |
Cover welding layer C | 12.2161 | 12.2146 | 0.0015 |
Above-mentioned experiment remanufactures Co., Ltd laboratory and carries out in big nation of Shandong energy refitting group
From table 1, although the weight difference of A is respectively smaller than the weight difference of B, C, but, the gap of three's weight difference is little.
Therefore, in terms of wear resistance, using the present invention relates to scraper plate the re-manufacturing technology scraper plate and new product that are remanufactured
Performance it is suitable.
Experiment two:
Take using the present invention relates to scraper plate re-manufacturing technology the scraper plate A and new product B that are remanufactured, random selection scrapes
Plate A passes through six different parts for remanufacturing treatment, using portable hardometer, carries out hardness determination and record data;Use
Portable hardometer, detects the hardness and record data, the experimental data for drawing such as table 2 of new product B same areas:
Table 2:
Above-mentioned experiment remanufactures Co., Ltd laboratory and carries out in big nation of Shandong energy refitting group
From table 2, listed six in table at hardness determination position, have at five hardness more than new by the scraper plate A for remanufacturing
The hardness of product B, hardness is suitable with the hardness of new product B at one.Therefore, in terms of hardness performance, using the present invention relates to scrape
The scraper plate that plate re-manufacturing technology is remanufactured is suitable with the performance of new product, even better than the performance of new product.
Experiment three:
Take using the present invention relates to scraper plate re-manufacturing technology the scraper plate A and new product B that are remanufactured, using 1000KN
Forcing press carries out scraper plate flexure test.According to MTT323-2005《Double chain scraper conveyor of China scraper plate》Requirement, forcing press applies
Plus pressure value be 560KN, test span 904mm, and press pressure head load is not more than the loading of 20N/mm per second
Speed, uniformly increases to 560KN, is then unloaded to initial load.
During forcing press presses, two different parts are randomly selected on scraper plate A, labeled as position one, position two,
Two different parts are randomly selected on new product B, labeled as position three, position four, selected position is measured respectively using square
Deflection, the experimental data for drawing such as table 3:
Table 3:
Above-mentioned experiment remanufactures Co., Ltd laboratory and carries out in big nation of Shandong energy refitting group
From table 3, the deflection value at selected position is roughly the same, and selected position deflection value≤20mm, that is, pass through
The amount of deflection for crossing the scraper plate A and new product B for remanufacturing has reached standard requirement.Therefore, in amount of deflection aspect of performance, related to using the present invention
And to the scraper plate that is remanufactured of scraper plate re-manufacturing technology it is suitable with the performance of new product.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent method scheme, this narrating mode of specification is only that for clarity, art processes personnel should
Specification an as entirety, the method scheme in each embodiment can also be formed into art processes personnel through appropriately combined
May be appreciated other embodiment.
Claims (6)
1. a kind of scraper plate reproducing method, it is characterised in that:Comprise the following steps:
(1) the wear out failure amount at each position of measurement abrasion scraper plate, according to wear out failure amount and abrading section, is swashed using alloy powder
Light melting and coating process or manual Welding are remanufactured;
It is described use the specific method that alloy powder laser melting and coating process is remanufactured for:
A, work as 0.2mm<Wear out failure amount≤1.5mm, other abrading sections in addition to termination of abrasion scraper plate, using by alloy powder
One direct cladding to the technique of abrading section is remanufactured;
B, work as 1.5mm<Wear out failure amount≤3.1mm, other abrading sections in addition to termination of abrasion scraper plate, using by alloy powder
Two claddings as bottoming cladding layer, then by the cladding of alloy powder one to bottoming clad layer surface, are melted to abrading section as capping
The technique of coating is remanufactured;
C, work as 3.1mm<Wear out failure amount≤6mm, other abrading sections in addition to termination of abrasion scraper plate, using by alloy powder two
Cladding is molten as capping then by the cladding of alloy powder one to bottoming clad layer surface as bottoming cladding layer to abrading section
Coating, repeating carries out the technique of bottoming cladding layer and capping cladding layer operation and is remanufactured;
The alloy powder one includes following mass fraction formula components:
Carbon 0.10-0.18 parts, boron 0.7-1.1 parts, silicon 1.1-1.3 parts, manganese 0.3-0.7 parts, chromium 15.2-16.5 parts, molybdenum 1.30-
1.85 parts, nickel 3.5-4.0 parts, phosphorus 0.025-0.027 parts, sulphur 0.008-0.01 parts, oxygen 0.07-0.09 parts and iron 74.143-
77.597 parts;
The alloy powder two includes following mass fraction formula components:
Carbon 0.06-0.09 parts, chromium 18-19 parts, manganese 0.6-1.0 parts, silicon 0.7-0.9 parts, nickel 23-30 parts, molybdenum 2.5-3 parts and iron
46.01-54.14 parts;
(2) scraper plate remanufactured by step (1) is cleared up, and makees preservative treatment.
2. a kind of scraper plate reproducing method according to claim 1, it is characterised in that:Before step (1), also including right
Abrasion scraper plate carries out pretreatment process, and the pretreatment refers to that overall sandblasting is carried out to scraper plate, removal blade surface oil stain, rust
Mark, the face that remanufactures to scraper plate is polished polishing, until exposing metallic luster.
3. a kind of scraper plate reproducing method according to claim 1, it is characterised in that:The weldering that the manual Welding is used
Bar includes common welding rod and Castolin shock peening series welding rod.
4. a kind of scraper plate reproducing method according to claim 1, it is characterised in that:In the step (1), according to abrasion
Failure amount and abrading section, use the specific method that manual Welding is remanufactured for:
(1) 0.2mm is worked as<Wear out failure amount≤1.5mm, the termination of the scraper plate that weares and teares is used Castolin shock peening series welding rod
Directly the technique of welding is remanufactured;
(2) 1.5mm is worked as<Wear out failure amount≤3.1mm, the termination of the scraper plate that weares and teares uses and for common welding rod to be soldered to abrading section,
As bottoming weld layer, then Castolin shock peening series welding rod is soldered to backing welding and connects layer surface, as cover welding
The technique of layer is remanufactured;
(3) 3.1mm is worked as<Made using common welding rod is soldered into abrading section wear out failure amount≤6mm, the termination of the scraper plate that weares and teares
It is bottoming weld layer, then Castolin shock peening series welding rod is soldered to backing welding and connects layer surface, as cover welding layer
Technique remanufactured.
5. a kind of scraper plate reproducing method according to claim 1, it is characterised in that:The alloy powder one can be used
Carbon dioxide laser carries out cladding, and power is 6500-7200W, and linear velocity is 7-9mm/s, and step pitch is 5-7mm;Can also adopt
Cladding is carried out with semiconductor laser, power is 2900-3100W, and linear velocity is 5-7mm/s, and step pitch is 6-8mm.
6. a kind of scraper plate reproducing method according to claim 1, it is characterised in that:The alloy powder two can be used
Carbon dioxide laser carries out cladding, and power is 6800-7200w, and linear velocity is 7-9mm/s, and step pitch is 5-7mm;Can also adopt
Cladding is carried out with semiconductor laser, power is 2950-3050w, and linear velocity is 7-9mm/s, and step pitch is 5-7mm.
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CN104911583B (en) * | 2015-05-19 | 2017-12-26 | 山东能源重装集团大族再制造有限公司 | A kind of reproducing method of scraper conveyor |
CN105108444B (en) * | 2015-09-11 | 2017-12-26 | 江苏万力机械股份有限公司 | The reparation of high-temperature service shearing equipment cutter and intensifying method |
CN105256308A (en) * | 2015-10-23 | 2016-01-20 | 宁夏天地奔牛实业集团有限公司 | Method for manufacturing whole surfaces of middle plates of middle troughs of laser cladding mining cast-welding structure |
CN107052619A (en) * | 2017-03-31 | 2017-08-18 | 安徽再制造工程设计中心有限公司 | A kind of oil drilling tools reparation iron-base self-fluxing alloy powder and its application method |
CN117020236B (en) * | 2023-10-10 | 2024-01-02 | 康硕(山西)智能制造有限公司 | Scraping flat base for metal 3D printing |
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