CN108188541A - A kind of tungsten carbide material welding procedure and its application - Google Patents
A kind of tungsten carbide material welding procedure and its application Download PDFInfo
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- CN108188541A CN108188541A CN201711380086.5A CN201711380086A CN108188541A CN 108188541 A CN108188541 A CN 108188541A CN 201711380086 A CN201711380086 A CN 201711380086A CN 108188541 A CN108188541 A CN 108188541A
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Classifications
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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
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/042—Built-up welding on planar surfaces
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention discloses a kind of tungsten carbide material welding procedure, which is using gas tungsten arc welding；The technique includes three layer four carried out successively altogether；Specifically, when welding first layer, 80 90A of welding current, 12 14V of voltage, speed of welding 7 9cm/ minutes, welding gun is not swung；When welding the second layer, 80 90A of welding current, 12 14V of voltage, speed of welding 7 9cm/ minutes, welding gun is not swung；When welding third layer, a point twice are welded, 90 100A of welding current, 13 14V of voltage, speed of welding 8 10cm/ minutes, and the welding gun amplitude of oscillation is not more than 10mm.The welding procedure step of the present invention is simple, easy to operate.The invention also discloses a kind of preparation processes of carbine abrasion-proof piece.
Description
Technical field
The present invention relates to a kind of welding procedure, especially a kind of carbine abrasion-proof resurfacing welding material welding procedure and application should
The method that welding procedure prepares wear plate.
Background technology
The processing at wear-resisting position has a direct impact the service life and production efficiency of the separation equipments such as solid-liquid.It for example, can
Lean on, durable wear plate can ensure the continuous use of centrifuge instrument 2 years or more, reduce maintenance down and the loss safeguarded.
Generally welded by using commercially available wear plate or using wear-resistant material.The good wear plate country of commercially available performance can not give birth in batches
Production, causes price higher.The domestic TECHNOSPHERE GF carbine abrasion-proofs resurfacing welding material of method have excellent corrosion resistance,
Wearability, the wear-resisting position of pusher for being widely used in the solid-liquid separating equipments such as sewage, chemical industry because of its excellent comprehensive performance.Factory
Family recommends that oxyacetylene torch welding is used to obtain satisfied wearability and craftsmanship.But there are overlay claddings for oxyacetylene torch welding
Internal stomata easily occur, fusion is bad, and surface forming effect is poor；To operator's skill set requirements height, low production efficiency；Production process
Acetylene gas, which largely burns, generates carbon dioxide greenhouse gas；There is the rejection rate of 10-15%.
Therefore, it is necessary to a kind of improved welding procedures for tungsten carbide material.
Invention content
First of the present invention is designed to provide a kind of welding procedure of tungsten carbide material.
Second object of the present invention is to provide the welding procedure of above-mentioned tungsten carbide material answering in wear plate is prepared
With.
To realize above-mentioned first purpose, the present invention uses the following contents：
A kind of tungsten carbide material welding procedure, the technique are using gas tungsten arc welding (GTAW welderings)；The technique
Include three layer four carried out successively altogether；Specifically, when welding first layer, welding current 80-90A, voltage 12-14V, welding speed
Degree 7-9cm/ minutes, welding gun is not swung；When welding the second layer, welding current 80-90A, voltage 12-14V, speed of welding 7-9cm/
Minute, welding gun is not swung；When welding third layer, a point twice are welded, welding current 90-100A, voltage 13-14V, speed of welding 8-
10cm/ minutes, the welding gun amplitude of oscillation was not more than 10mm.
Further, protective gas during welding is not less than 99.8% argon gas for purity.
To realize above-mentioned second purpose, the present invention uses the following contents：
A kind of preparation process of carbine abrasion-proof piece, includes the following steps：
1) matrix is preheated, matrix includes ontology and groove；
2) include three layer four carried out successively altogether using gas tungsten arc welding Tungsten Carbide Surfacing, built-up welding on matrix
Road；
First, first layer is welded in groove, welding current 80-90A, voltage 12-14V, speed of welding 7-9cm/ minutes,
Welding gun is not swung, and is completely covered bottom portion of groove；
Secondly, the second layer, welding current 80-90A, voltage 12-14V, 7-9cm/ points of speed of welding are welded on the first layer
Clock, welding gun are not swung, and first layer is made to be completely covered and the slightly prominent groove in the top of the second layer；
Again, third layer is welded, there is twice welding, welding current 90-100A, voltage 13-14V, speed of welding 8-10cm/
Minute, the welding gun amplitude of oscillation is not more than 10mm, and first of welding is that welding is completely covered the second layer on the second layer, second weldering
It is a part for first of welding of welding covering and a part for ontology on first to connect；
3) after the completion of built-up welding, by integral heat insulation for a period of time, carbine abrasion-proof piece is obtained.
Further, in step 1), the preheating of matrix is to keep the temperature 30 minutes in 300 DEG C of incubator.
Further, in step 1), described matrix is steel plate.
Further, in step 1), the groove is that slot is cut in machining on the steel plate.
Further, in step 2), protective gas during built-up welding is not less than 99.8% argon gas for purity.
Further, in step 3), heap postwelding is completed, is kept the temperature with heat-preservation cotton package, heat preservation obtains resistance to after 12 hours
Grinding.
The present invention has the following advantages：
The tungsten carbide welding procedure of the present invention fundamentally changes the welding method of tungsten carbide material, in economy, work
The various aspects such as skill, performance, environmental-protecting performance are welded better than existing oxyacetylene torch, and step is simple, easy to operate；Make
With the carbine abrasion-proof piece that can be mass-produced after the welding procedure, product can substitute import wear plate.
Specific embodiment
In order to illustrate more clearly of the present invention, with reference to preferred embodiment, the present invention is described further.Ability
Field technique personnel should be appreciated that following specifically described content is illustrative and be not restrictive, this should not be limited with this
The protection domain of invention.
Embodiment
Carbine abrasion-proof piece is processed, is included the following steps：
1) it is machined out on raw steel and cuts slot, steel plate is made of ontology and groove, later in 300 DEG C of incubator
Middle heat preservation 30 minutes；
2) using gas tungsten arc welding Tungsten Carbide Surfacing on the steel plate, include three layer four carried out successively altogether；
Protective gas during built-up welding is not less than 99.8% argon gas for purity；
First, first layer is welded in groove, welding current 80-90A, voltage 12-14V, speed of welding 7-9cm/ minutes,
Welding gun is not swung, and is completely covered bottom portion of groove；
Secondly, the second layer, welding current 80-90A, voltage 12-14V, 7-9cm/ points of speed of welding are welded on the first layer
Clock, welding gun are not swung, and first layer is made to be completely covered and the slightly prominent groove in the top of the second layer；
Again, third layer is welded, there is twice welding, welding current 90-100A, voltage 13-14V, speed of welding 8-10cm/
Minute, the welding gun amplitude of oscillation is not more than 10mm, and first of welding is that welding is completely covered the second layer on the second layer, second weldering
It is a part for first of welding of welding covering and a part for ontology on first to connect；
3) heap postwelding is completed, is kept the temperature with heat-preservation cotton package, after keeping the temperature 12 hours, is subsequently machined, obtain carbon
Change tungsten wear plate.
After completing processing, surfacing hardness is detected using Rockwell apparatus, material table is fully achieved in HRC39-42
Bright hardness number；Meanwhile overlay cladding is tightly combined with matrix, is thoroughly fused, and is reached and is combined between atom, is not sent out inside overlay cladding
The defects of existing stomata, shrinkage cavity, cracking.Wear plate obtained uses at the scene through complete machine, it is found that wear-resisting property is good, corrosion resistance
It can be good.
The welding procedure of the present invention can crystal grain thinning, secondary remelting tungsten carbide tissue greatly improves the compactness of material,
Wearability is good.After welding procedure using the present invention, yield rate improves, and rejection rate is reduced to 1% or so；Wearing layer and matrix
Bond strength is high, and wear plate service life increases, and economy and energy-saving effect are apparent.Meanwhile the welding procedure wants welder
Ask low, it is only necessary to grasp basic arc welding operations technical ability, worker's working strength reduces, and working environment improves, and in welding, nothing
Carbon dioxide generates, environmental-friendly, energy-saving consumption-reducing.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention for those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is every to belong to this hair
The obvious changes or variations that bright technical solution is extended out are still in the row of protection scope of the present invention.
Claims (8)
1. a kind of tungsten carbide material welding procedure, which is characterized in that the technique is using gas tungsten arc welding；The technique
Include three layer four carried out successively altogether；Specifically, when welding first layer, welding current 80-90A, voltage 12-14V, welding speed
Degree 7-9cm/ minutes, welding gun is not swung；When welding the second layer, welding current 80-90A, voltage 12-14V, speed of welding 7-9cm/
Minute, welding gun is not swung；When welding third layer, a point twice are welded, welding current 90-100A, voltage 13-14V, speed of welding 8-
10cm/ minutes, the welding gun amplitude of oscillation was not more than 10mm.
2. tungsten carbide material welding procedure according to claim 1, which is characterized in that protective gas during welding is purity
Argon gas not less than 99.8%.
3. a kind of preparation process of carbine abrasion-proof piece, which is characterized in that include the following steps：
1) matrix is preheated, matrix includes ontology and groove；
2) include three layer four carried out successively altogether using gas tungsten arc welding Tungsten Carbide Surfacing, built-up welding on matrix；
First, first layer, welding current 80-90A, voltage 12-14V, speed of welding 7-9cm/ minutes, welding gun are welded in groove
It does not swing, is completely covered bottom portion of groove；
Secondly, the second layer, welding current 80-90A, voltage 12-14V, speed of welding 7-9cm/ minutes, weldering are welded on the first layer
Rifle is not swung, and first layer is made to be completely covered and the slightly prominent groove in the top of the second layer；
Again, third layer is welded, there is twice welding, welding current 90-100A, voltage 13-14V, 8-10cm/ points of speed of welding
Clock, the welding gun amplitude of oscillation are not more than 10mm, and first of welding is that welding is completely covered the second layer on the second layer, second welding
It is a part for first of welding of welding covering and a part for ontology on first；
3) after the completion of built-up welding, by integral heat insulation for a period of time, carbine abrasion-proof piece is obtained.
4. a kind of preparation process of carbine abrasion-proof piece according to claim 3, which is characterized in that in step 1), matrix
Preheating be to keep the temperature 30 minutes in 300 DEG C of incubator.
5. the preparation process of a kind of carbine abrasion-proof piece according to claim 3, which is characterized in that described in step 1)
Matrix is steel plate.
6. the preparation process of a kind of carbine abrasion-proof piece according to claim 5, which is characterized in that described in step 1)
Groove is that slot is cut in machining on the steel plate.
7. a kind of preparation process of carbine abrasion-proof piece according to claim 3, which is characterized in that in step 2), built-up welding
When protective gas for purity be not less than 99.8% argon gas.
8. the preparation process of a kind of carbine abrasion-proof piece according to claim 3, which is characterized in that in step 3), complete
Heap postwelding is kept the temperature with heat-preservation cotton package, and heat preservation obtains wear plate after 12 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711380086.5A CN108188541B (en) | 2017-12-20 | 2017-12-20 | Preparation process of tungsten carbide wear-resistant sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711380086.5A CN108188541B (en) | 2017-12-20 | 2017-12-20 | Preparation process of tungsten carbide wear-resistant sheet |
Publications (2)
| Publication Number | Publication Date |
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| CN108188541A true CN108188541A (en) | 2018-06-22 |
| CN108188541B CN108188541B (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711380086.5A Active CN108188541B (en) | 2017-12-20 | 2017-12-20 | Preparation process of tungsten carbide wear-resistant sheet |
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Citations (6)
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|---|---|---|---|---|
| US5004886A (en) * | 1989-05-20 | 1991-04-02 | Durum Verschleissschutz Gmbh | Method of applying wear-resistant layer and consumable electrode for carrying out the method |
| CN101804524A (en) * | 2010-03-11 | 2010-08-18 | 华北电力大学 | Powder-cored welding wire for abrasion prevention of grinding roller and grinding disc and cladding method thereof |
| CN102011067A (en) * | 2010-12-14 | 2011-04-13 | 江苏大学 | Cavitation corrosion resistant dual-phase stainless steel |
| CN102019829A (en) * | 2009-09-16 | 2011-04-20 | 柳州职业技术学院 | High-abrasive resistance slide plate chair and production method thereof |
| CN103111724A (en) * | 2012-12-07 | 2013-05-22 | 无锡透平叶片有限公司 | Turbine blade laser cladding area flaw welding method |
| CN105750691A (en) * | 2014-12-15 | 2016-07-13 | 重庆迅升机车配件有限公司 | Single toothed-roller bead-welding repairing technology |
-
2017
- 2017-12-20 CN CN201711380086.5A patent/CN108188541B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5004886A (en) * | 1989-05-20 | 1991-04-02 | Durum Verschleissschutz Gmbh | Method of applying wear-resistant layer and consumable electrode for carrying out the method |
| CN102019829A (en) * | 2009-09-16 | 2011-04-20 | 柳州职业技术学院 | High-abrasive resistance slide plate chair and production method thereof |
| CN101804524A (en) * | 2010-03-11 | 2010-08-18 | 华北电力大学 | Powder-cored welding wire for abrasion prevention of grinding roller and grinding disc and cladding method thereof |
| CN102011067A (en) * | 2010-12-14 | 2011-04-13 | 江苏大学 | Cavitation corrosion resistant dual-phase stainless steel |
| CN103111724A (en) * | 2012-12-07 | 2013-05-22 | 无锡透平叶片有限公司 | Turbine blade laser cladding area flaw welding method |
| CN105750691A (en) * | 2014-12-15 | 2016-07-13 | 重庆迅升机车配件有限公司 | Single toothed-roller bead-welding repairing technology |
Non-Patent Citations (3)
| Title |
|---|
| 徐光华: "《机械设备检修技术基础》", 31 August 2008, 中国铁道出版社 * |
| 王智慧等: "碳化铌对铁基碳化钨耐磨堆焊合金中碳化钨溶解的影响", 《焊接学报》 * |
| 高忠民: "《电焊工基本技术》", 31 July 2002, 金盾出版社 * |
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| CN108188541B (en) | 2020-10-23 |
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