CN107234364A - It is a kind of for wear resistance electrode of built-up welding and preparation method thereof - Google Patents
It is a kind of for wear resistance electrode of built-up welding and preparation method thereof Download PDFInfo
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- CN107234364A CN107234364A CN201710436871.1A CN201710436871A CN107234364A CN 107234364 A CN107234364 A CN 107234364A CN 201710436871 A CN201710436871 A CN 201710436871A CN 107234364 A CN107234364 A CN 107234364A
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- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
- B23K35/306—Fe as the principal constituent with C as next major constituent, e.g. cast iron
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- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention discloses a kind of for wear resistance electrode of built-up welding and preparation method thereof, preparation process comprises the following steps：Weigh the raw material of following weight parts proportioning：0.3 ~ 2.5 part of carbon, 3 ~ 9 parts of manganese, 6 ~ 8 parts of silicon, 1.6 ~ 3.9 parts of chromium, 0.3 ~ 0.9 part of sulphur, 5 ~ 10 parts of phosphorus, 7 ~ 14 parts of nickel, 2 ~ 6 parts of boron, add 10 ~ 30min of stirring in reactor and obtain batch mixing after the completion of weighing；Organic solvent is added into obtained batch mixing, is stirred with 100 ~ 150rpm rotating speed, obtains coating alloying constituent；Obtained coating alloying constituent is uniformly squeezed in around core wire by extruder and obtains welding rod；Obtained welding rod is air-dried into 1 ~ 6h under 20 ~ 30 DEG C of ventilation condition, the welding rod air-dried after finishing is put into low temperature drying in refrigeration case to handle, the low temperature drying time is 30 ~ 90min, welding rod after low temperature drying is finished carries out high temperature drying and processing, the drying temperature of the high temperature drying is 250 ~ 350 DEG C, and high temperature drying time is 50 ~ 60min.Selected raw material of the invention adds sulphur, the combustion-supporting material of phosphorus, improves the performance that welding rod easily ignites, and the content control of sulphur is relatively low, it is to avoid produce pollutant.
Description
Technical field
The invention belongs to welding technology field, and in particular to a kind of for wear resistance electrode of built-up welding and preparation method thereof.
Background technology
The fast development of national economy and continuing to develop for science and technology propose higher requirement to high-abrasive material, improve
The surface abrasion resistance of material has a variety of methods：Such as thermal spraying, ion film plating, plating and built-up welding.These methods respectively have advantage and disadvantage,
The shortcoming of preceding several method is exactly that coating is thin, and required equipment is complicated, and some coating is also needed to by complicated subsequent treatment.Heap
Weldering is that a kind of one kind as material surface modifying is economical and quick process, more and more widely applied to each industry
During the manufacture of department's part is repaired.In order to most effectively play the effect of overlay cladding, it is desirable to which the overlaying method of use has less
Mother metal dilution, higher deposition rate and excellent overlay properties, i.e. high-quality, the efficient, technique for overlaying of low dilution rate.
Even traditional surfacing welding hardness number be difficult more than HRA70. WC hardfacing electrode hardness be also be difficult
More than HRA85, and the WC hardfacing electrodes one more than HRA85 are that price is high on a small quantity, and two be that toughness is poor, and three be to structural member
Repair ability it is poor.So developing, a kind of hardness number is higher, and the lower welding rod of cost turns into current urgent problem.
The content of the invention
In view of the above-mentioned problems, the technical problem to be solved in the present invention is to provide a kind of wear resistance electrode and its system for built-up welding
Preparation Method, obtained welding rod is solid wear-resisting difficult for drop-off.
To achieve the above object, the technical scheme is that：A kind of wear resistance electrode for built-up welding, the welding rod includes weldering
Core and the coating for being wrapped in core wire, the coating preparing raw material include coating alloying constituent, and the coating alloying constituent is according to weight
Part includes following components：0.3 ~ 2.5 part of carbon, 3 ~ 9 parts of manganese, 6 ~ 8 parts of silicon, 1.6 ~ 3.9 parts of chromium, 0.3 ~ 0.9 part of sulphur, 5 ~ 10 parts of phosphorus,
7 ~ 14 parts of nickel, 2 ~ 6 parts of boron.
Preferably, the carbon, silicon, sulphur, phosphorus, boron are the powder raw material that granularity is 80 ~ 120 mesh, and the manganese, chromium, nickel are grain
Spend for the powder raw material of 70 ~ 100 mesh.
Preferably, the weight ratio of the core wire and coating is 3 ~ 4:1.
Preferably, a diameter of 3.5 ~ 7.5mm of the core wire, the external diameter of the coating is 8.5 ~ 10.5mm.
Preferably, the core wire is carbon structural steels or structural alloy steel.
A kind of preparation method of wear resistance electrode for built-up welding, comprises the following steps：
Step 1：It is prepared by coating alloying constituent raw material：Weigh the raw material of following weight parts proportioning：0.3 ~ 2.5 part of carbon, 3 ~ 9 parts of manganese, silicon 6
~ 8 parts, 1.6 ~ 3.9 parts of chromium, 0.3 ~ 0.9 part of sulphur, 5 ~ 10 parts of phosphorus, 7 ~ 14 parts of nickel, 2 ~ 6 parts of boron, after the completion of weighing add reactor in
10 ~ 30min of stirring obtains batch mixing；
Step 2：Organic solvent is added in material by wet type mixing, the batch mixing obtained into step 1, is stirred with 100 ~ 150rpm rotating speed,
Obtain coating alloying constituent；
Step 3：The shaping of welding rod, the coating alloying constituent that step 2 is obtained uniformly is squeezed in around core wire by extruder and obtained
Welding rod；
Step 4：Welding rod is post-processed, and welding rod made from step 3 is air-dried into 1 ~ 6h under 20 ~ 30 DEG C of ventilation condition, will have been air-dried
Welding rod after finishing is put into low temperature drying in refrigeration case and handled, and the low temperature drying time is 30 ~ 90min, after low temperature drying is finished
Welding rod carry out high temperature drying and processing, the drying temperature of high temperature drying is 250 ~ 350 DEG C, high temperature drying time is 50 ~
60min。
Preferably, the organic solvent in the step 2 is selected from benzene,toluene,xylene, pentane, hexane, octane, ether, first
One or more in alcohol, acetone, ethyl acetate, propyl acetate, espeleton, glycol monoethyl ether, phenol and methyl ether.
Preferably, the temperature of the low temperature drying is -4 ~ 4 DEG C.
The beneficial effects of the present invention are：It is a kind of for wear resistance electrode of built-up welding and preparation method thereof that the present invention is provided,
Alloying constituent hardness made from selected raw material is high, and adds the combustion-supporting material of sulphur, phosphorus, improves the performance that welding rod easily ignites, sulphur
Content control is relatively low, it is to avoid produce the material of harm during burning to human body.Manufacture craft of the present invention is simple, and cost is relatively low, uses
The mode of substep gently dried, i.e., the step of frequent warm air is dry successively, low temperature drying, high temperature are dried, such a method can make
Moisture in welding rod is progressively slowly lost in, the welding rod forming of acquisition, situations such as be less prone to cracking.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is described in further detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, do not limit
The fixed present invention.
Embodiment 1
A kind of wear resistance electrode for built-up welding, the welding rod includes core wire and is wrapped in the coating of core wire, and the coating prepares former
Material includes coating alloying constituent, and the coating alloying constituent includes following components according to parts by weight：0.3 part of carbon, 3 parts of manganese, 6 parts of silicon, chromium
1.6 parts, 0.3 part of sulphur, 5 parts of phosphorus, 7 parts of nickel, 2 parts of boron.
The carbon, silicon, sulphur, phosphorus, boron are the powder raw material that granularity is 80 mesh, and the manganese, chromium, nickel are that granularity is 70 ~ 100 mesh
Powder raw material.
The weight ratio of the core wire and coating is 3:1.
A diameter of 3.5mm of the core wire, the external diameter of the coating is 8.5mm.
The core wire is carbon structural steels or structural alloy steel.
A kind of preparation method of wear resistance electrode for built-up welding, comprises the following steps：
Step 1：It is prepared by coating alloying constituent raw material：Weigh the raw material of following weight parts proportioning：0.3 part of carbon, 3 parts of manganese, 6 parts of silicon, chromium
1.6 parts, 0.3 part of sulphur, 5 parts of phosphorus, 7 parts of nickel, 2 parts of boron, after the completion of weighing add reactor in stirring 10min obtain batch mixing；
Step 2：Organic solvent is added in material by wet type mixing, the batch mixing obtained into step 1, is stirred, obtained with 100rpm rotating speed
Coating alloying constituent；
Step 3：The shaping of welding rod, the coating alloying constituent that step 2 is obtained uniformly is squeezed in around core wire by extruder and obtained
Welding rod；
Step 4：Welding rod is post-processed, and welding rod made from step 3 is air-dried into 1h under 20 DEG C of ventilation condition, will be air-dried after finishing
Welding rod be put into refrigeration case low temperature drying and handle, the low temperature drying time is 30min, and the welding rod after low temperature drying is finished is carried out
High temperature drying and processing, the drying temperature of the high temperature drying is 250 DEG C, and high temperature drying time is 50min.
Organic solvent in the step 2 is selected from benzene,toluene,xylene, pentane, hexane, octane, ether, methanol, third
One or more in ketone, ethyl acetate, propyl acetate, espeleton, glycol monoethyl ether, phenol and methyl ether.
The temperature of the low temperature drying is -4 DEG C.
Embodiment 2
A kind of wear resistance electrode for built-up welding, the welding rod includes core wire and is wrapped in the coating of core wire, and the coating prepares former
Material includes coating alloying constituent, and the coating alloying constituent includes following components according to parts by weight：2.0 parts of carbon, 6 parts of manganese, 7 parts of silicon, chromium
2.8 parts, 0.6 part of sulphur, 7 parts of phosphorus, 10 parts of nickel, 3 parts of boron.
The carbon, silicon, sulphur, phosphorus, boron are the powder raw material that granularity is 100 mesh, and the manganese, chromium, nickel are that granularity is 70 ~ 100
Purpose powder raw material.
The weight ratio of the core wire and coating is 4:1.
A diameter of 5.5mm of the core wire, the external diameter of the coating is 9.5mm.
The core wire is carbon structural steels or structural alloy steel.
A kind of preparation method of wear resistance electrode for built-up welding, comprises the following steps：
Step 1：It is prepared by coating alloying constituent raw material：Weigh the raw material of following weight parts proportioning：2.0 parts of carbon, 6 parts of manganese, 7 parts of silicon, chromium
2.8 parts, 0.6 part of sulphur, 7 parts of phosphorus, 10 parts of nickel, 3 parts of boron, after the completion of weighing add reactor in stirring 10 ~ 30min obtain batch mixing；
Step 2：Organic solvent is added in material by wet type mixing, the batch mixing obtained into step 1, is stirred, obtained with 120rpm rotating speed
Coating alloying constituent；
Step 3：The shaping of welding rod, the coating alloying constituent that step 2 is obtained uniformly is squeezed in around core wire by extruder and obtained
Welding rod；
Step 4：Welding rod is post-processed, and welding rod made from step 3 is air-dried into 5h under 25 DEG C of ventilation condition, will be air-dried after finishing
Welding rod be put into refrigeration case low temperature drying and handle, the low temperature drying time is 60min, and the welding rod after low temperature drying is finished is carried out
High temperature drying and processing, the drying temperature of the high temperature drying is 300 DEG C, and high temperature drying time is 55min.
Organic solvent in the step 2 is selected from benzene,toluene,xylene, pentane, hexane, octane, ether, methanol, third
One or more in ketone, ethyl acetate, propyl acetate, espeleton, glycol monoethyl ether, phenol and methyl ether.
The temperature of the low temperature drying is 0 DEG C.
Embodiment 3
A kind of wear resistance electrode for built-up welding, the welding rod includes core wire and is wrapped in the coating of core wire, and the coating prepares former
Material includes coating alloying constituent, and the coating alloying constituent includes following components according to parts by weight：2.5 parts of carbon, 9 parts of manganese, 8 parts of silicon, chromium
3.9 parts, 0.9 part of sulphur, 10 parts of phosphorus, 14 parts of nickel, 6 parts of boron.
The carbon, silicon, sulphur, phosphorus, boron are the powder raw material that granularity is 120 mesh, and the manganese, chromium, nickel are that granularity is 70 ~ 100
Purpose powder raw material.
The weight ratio of the core wire and coating is 4:1.
A diameter of 7.5mm of the core wire, the external diameter of the coating is 10.5mm.
The core wire is carbon structural steels or structural alloy steel.
A kind of preparation method of wear resistance electrode for built-up welding, comprises the following steps：
Step 1：It is prepared by coating alloying constituent raw material：Weigh the raw material of following weight parts proportioning：2.5 parts of carbon, 9 parts of manganese, 8 parts of silicon, chromium
3.9 parts, 0.9 part of sulphur, 10 parts of phosphorus, 14 parts of nickel, 6 parts of boron, after the completion of weighing add reactor in stirring 30min obtain batch mixing；
Step 2：Organic solvent is added in material by wet type mixing, the batch mixing obtained into step 1, is stirred, obtained with 150rpm rotating speed
Coating alloying constituent；
Step 3：The shaping of welding rod, the coating alloying constituent that step 2 is obtained uniformly is squeezed in around core wire by extruder and obtained
Welding rod；
Step 4：Welding rod is post-processed, and welding rod made from step 3 is air-dried into 6h under 30 DEG C of ventilation condition, will be air-dried after finishing
Welding rod be put into refrigeration case low temperature drying and handle, the low temperature drying time is 90min, and the welding rod after low temperature drying is finished is carried out
High temperature drying and processing, the drying temperature of the high temperature drying is 350 DEG C, and high temperature drying time is 60min.
Organic solvent in the step 2 is selected from benzene,toluene,xylene, pentane, hexane, octane, ether, methanol, third
One or more in ketone, ethyl acetate, propyl acetate, espeleton, glycol monoethyl ether, phenol and methyl ether.
The temperature of the low temperature drying is 4 DEG C.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of wear resistance electrode for built-up welding, the welding rod includes core wire and is wrapped in the coating of core wire, it is characterised in that institute
Stating coating preparing raw material includes coating alloying constituent, and the coating alloying constituent includes following components according to parts by weight：Carbon 0.3 ~ 2.5
Part, 3 ~ 9 parts of manganese, 6 ~ 8 parts of silicon, 1.6 ~ 3.9 parts of chromium, 0.3 ~ 0.9 part of sulphur, 5 ~ 10 parts of phosphorus, 7 ~ 14 parts of nickel, 2 ~ 6 parts of boron.
2. a kind of wear resistance electrode for built-up welding according to claim 1, it is characterised in that the carbon, silicon, sulphur, phosphorus, boron
For the powder raw material that granularity is 80 ~ 120 mesh, the manganese, chromium, nickel are the powder raw material that granularity is 70 ~ 100 mesh.
3. a kind of wear resistance electrode for built-up welding according to claim 1, it is characterised in that the weight of the core wire and coating
Amount is than being 3 ~ 4:1.
4. a kind of wear resistance electrode for built-up welding according to claim 1, it is characterised in that the core wire it is a diameter of
3.5 ~ 7.5mm, the external diameter of the coating is 8.5 ~ 10.5mm.
5. a kind of wear resistance electrode for built-up welding according to claim 1, it is characterised in that the core wire is carbon structure
Steel or structural alloy steel.
6. the preparation method of a kind of wear resistance electrode for built-up welding, it is characterised in that comprise the following steps：
Step 1：It is prepared by coating alloying constituent raw material：Weigh the raw material of following weight parts proportioning：0.3 ~ 2.5 part of carbon, 3 ~ 9 parts of manganese, silicon 6
~ 8 parts, 1.6 ~ 3.9 parts of chromium, 0.3 ~ 0.9 part of sulphur, 5 ~ 10 parts of phosphorus, 7 ~ 14 parts of nickel, 2 ~ 6 parts of boron, after the completion of weighing add reactor in
10 ~ 30min of stirring obtains batch mixing；
Step 2：Organic solvent is added in material by wet type mixing, the batch mixing obtained into step 1, is stirred with 100 ~ 150rpm rotating speed,
Obtain coating alloying constituent；
Step 3：The shaping of welding rod, the coating alloying constituent that step 2 is obtained uniformly is squeezed in around core wire by extruder and obtained
Welding rod；
Step 4：Welding rod is post-processed, and welding rod made from step 3 is air-dried into 1 ~ 6h under 20 ~ 30 DEG C of ventilation condition, will have been air-dried
Welding rod after finishing is put into low temperature drying in refrigeration case and handled, and the low temperature drying time is 30 ~ 90min, after low temperature drying is finished
Welding rod carry out high temperature drying and processing, the drying temperature of high temperature drying is 250 ~ 350 DEG C, high temperature drying time is 50 ~
60min。
7. a kind of preparation method of wear resistance electrode for built-up welding according to claim 6, it is characterised in that the step
Organic solvent in 2 is selected from benzene,toluene,xylene, pentane, hexane, octane, ether, methanol, acetone, ethyl acetate, acetic acid third
One or more in ester, espeleton, glycol monoethyl ether, phenol and methyl ether.
8. a kind of preparation method of wear resistance electrode for built-up welding according to claim 6, it is characterised in that the low temperature
The temperature of drying is -4 ~ 4 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710436871.1A CN107234364A (en) | 2017-06-12 | 2017-06-12 | It is a kind of for wear resistance electrode of built-up welding and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710436871.1A CN107234364A (en) | 2017-06-12 | 2017-06-12 | It is a kind of for wear resistance electrode of built-up welding and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107234364A true CN107234364A (en) | 2017-10-10 |
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ID=59987073
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| CN201710436871.1A Withdrawn CN107234364A (en) | 2017-06-12 | 2017-06-12 | It is a kind of for wear resistance electrode of built-up welding and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125652A (en) * | 1994-12-29 | 1996-07-03 | 鞍山钢铁公司 | Special welding electrode for manganese steel build-up welding |
| CN1827288A (en) * | 2006-04-12 | 2006-09-06 | 西华大学 | Bainite welding rod dedicated for repairing rail and assembled frog |
| CN103990920A (en) * | 2014-05-23 | 2014-08-20 | 成都海讯科技实业有限公司 | Hardfacing electrode and preparing method thereof |
| JP2014147970A (en) * | 2013-02-04 | 2014-08-21 | Kobe Steel Ltd | Coated electrode |
| CN205362995U (en) * | 2015-12-30 | 2016-07-06 | 武汉大学 | From portable pen that welds of igniting |
-
2017
- 2017-06-12 CN CN201710436871.1A patent/CN107234364A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125652A (en) * | 1994-12-29 | 1996-07-03 | 鞍山钢铁公司 | Special welding electrode for manganese steel build-up welding |
| CN1827288A (en) * | 2006-04-12 | 2006-09-06 | 西华大学 | Bainite welding rod dedicated for repairing rail and assembled frog |
| JP2014147970A (en) * | 2013-02-04 | 2014-08-21 | Kobe Steel Ltd | Coated electrode |
| CN103990920A (en) * | 2014-05-23 | 2014-08-20 | 成都海讯科技实业有限公司 | Hardfacing electrode and preparing method thereof |
| CN205362995U (en) * | 2015-12-30 | 2016-07-06 | 武汉大学 | From portable pen that welds of igniting |
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Application publication date: 20171010 |
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