CN110421229A - A kind of EH36+CCSB ceramic substrate welding method - Google Patents
A kind of EH36+CCSB ceramic substrate welding method Download PDFInfo
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- CN110421229A CN110421229A CN201910631802.5A CN201910631802A CN110421229A CN 110421229 A CN110421229 A CN 110421229A CN 201910631802 A CN201910631802 A CN 201910631802A CN 110421229 A CN110421229 A CN 110421229A
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- welding
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- ceramic substrate
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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
- B23K9/00—Arc welding or cutting
- B23K9/0026—Arc welding or cutting specially adapted for particular articles or work
-
- 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
-
- 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
-
- 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
- B23K9/32—Accessories
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention belongs to welding technology fields, more particularly to a kind of EH36+CCSB ceramic substrate welding method, using welding machine, welding material and ceramic substrate, the EH36 high-strength steel sheet and the CCSB grades of steel plate are subjected to butt welding, the welding procedure welded using single-sided welding, reverse side shape fit ceramic substrate reduces the welding defect of EH36+CCSB dissimilar material, welding line joint and appearance and internal soundness, mechanical property are good, all positon construction can operate, high production efficiency, and application is strong.
Description
Technical field
The invention belongs to steel plate welding technology fields, and in particular to a kind of EH36+CCSB ceramic substrate welding method.
Background technique
Currently, in shipbuilding technical field, the welding procedure of the steel plate of two kinds of unlike materials, due to groove parameter and weldering
It is inappropriate to connect parameter setting selection, there are more problems when using the progress butt welding of ceramic substrate welding method, as EH36 is high-strength
The welding between steel plate and level-B steel is spent, for welding point there are welding defect, there are cold cracking inclination, stress to concentrate, welding heat affected
District's groups knit the unfavorable factors such as embrittlement, cause welding line joint and appearance and internal soundness, mechanical property bad, welding quality is difficult to
To guarantee.
And the welding procedure of existing high strength steel and ceramic substrate, construction location is single, and production efficiency is low, application
Difference.It is difficult to adapt to the characteristic and performance requirement of specialities, the product of welding has more actual operation, it is difficult to meet Related product
Batch uses.
Summary of the invention
The present invention provides a kind of EH36+CCSB ceramic substrate welding method, using single-sided welding, reverse side shape fit ceramics
The welding procedure of welding is padded, reduces the welding defect of EH36+CCSB dissimilar material, welding line joint and appearance and internal soundness,
Mechanical property is good, and all positon construction can operate, high production efficiency, and application is strong.
Technical scheme is as follows:
A kind of EH36+CCSB ceramic substrate welding method, using welding machine, welding material and ceramic substrate, by the EH36
High-strength steel sheet and the CCSB grades of steel plate carry out butt welding, and specific welding method is as follows:
1), welding condition is selected:
1. welding machine is selected: selecting CO2 welding machine；
2. welding material is selected: flux-cored wire: 3YSH10 grade, diameter 1.2mm；Protective gas are as follows: CO2 gas is pure
99.9% or more degree；
3. welding parameter: welding current: 180~210A, weldingvoltage: 26~29V.
2), welding procedure:
1. the groove in all faces of nog plate material docks EH36 high-strength steel sheet with CCSB grades of steel plates until exposing metallic luster
The ceramic substrate is placed on the lower section that EH36 high-strength steel sheet docks with CCSB grades of steel plates place, bevel angle 35 by installation
~45 °, anti-inclination angle is 2~3 °, and the installation gap of banjo fixing butt jointing is 5~8mm, and unfitness of butt joint is less than 1mm；
2. removing the oxidation film and dirt on surface not less than clearing up within the scope of 30mm to region two sides to be welded；
3. carrying out using multi-layer multi-pass welding, the thickness of the welding bead of each layer of welding layer is not more than 4mm, each layer of welding layer
Welding bead hammering is carried out after the completion of connecing, cleaning welding defect is then in the welding for carrying out next layer of welding layer, the welding of each welding layer
Connector mutually staggers.The welding method that the present invention uses, the welding welded using single-sided welding, reverse side shape fit ceramic substrate
Technique, reduces the welding defect of EH36+CCSB dissimilar material, welding line joint and appearance and internal soundness, mechanical property are good, Quan Wei
Setting construction can operate, high production efficiency, and application is strong.
In welding process, if welding is interrupted, again before striking, joint must be clean with abrasive machine, brushing, and
Confirm that zero defect rear is solderable, to avoid the generation of welding defect.
Preferably, temperature difference control is within the scope of less than 200 DEG C between adjacent welding layer, temperature difference between adjacent welding bead
Control can effectively prevent welding deformation within the scope of less than 200 DEG C, improve welding quality.
Preferably, the EH36 high-strength steel sheet and the CCSB grades of steel plate thickness scope are 6~12mm, within the scope of this
Plate thickness, welding effect is good, and defect is few, and deflection is small.
Beneficial effects of the present invention:
1, the welding procedure welded using single-sided welding, reverse side shape fit ceramic substrate, chooses suitable groove parameter
And welding parameter, reduce the welding defect of EH36+CCSB dissimilar material, welding line joint and appearance and internal soundness, mechanical property
It is good
2, all positon construction can operate, and high production efficiency, application is strong, be suitable for high strength steel plate and carbon steel sheet
Installation node and the welding procedures such as the structure connection of material, carbon sheet and high strength steel.
Detailed description of the invention
Fig. 1 is the signal of the docking structure of the EH36 high-strength steel sheet of the present invention and the CCSB grades of steel plate
Figure；
Fig. 2 is the layout drawing of the welding bead after the completion of present invention welding；
Fig. 3 is the top view of Fig. 2.
In figure: 1-EH36 high-strength steel sheet, 2-CCSB grades of steel plates, 3- ceramic substrate.
Specific embodiment
In order to make the purpose of the present invention, technical solution and advantage are more clearly understood, and are passed through below in conjunction with attached drawing specific real
Applying example, the present invention is described in more detail.It should be appreciated that described herein, specific examples are only used to explain the present invention, and
It is not used in the restriction present invention.
Embodiment 1:
A kind of 3 welding method of EH36+CCSB ceramic substrate will be described using welding machine, welding material and ceramic substrate 3
EH36 high-strength steel sheet 1 and the CCSB grades of steel plate 2 carry out butt welding, and the ceramic substrate 3 is placed on EH36 high intensity
The thickness of steel plate 1 and CCSB grades of steel plates 2 is 8mm, and specific welding method is as follows:
1), welding condition is selected:
1. welding machine is selected: CO2 welding machine is selected, using Panasonic's board CO2 welding machine, KR-500GM (W type)；
2. welding material is selected: flux-cored wire: 3YSH10 grade, diameter 1.2mm, model Supercored -71；
Protective gas are as follows: CO2 gas, purity 99.9%；
3. welding parameter: welding current: 180A, weldingvoltage: 26V, throughput: 18~20L/min.
2), welding procedure is as follows, and specific size and structure can be found in FIG. 1 to FIG. 3:
1. the groove in all faces of nog plate material is until exposing metallic luster, and EH36 high-strength steel sheet 1 and CCSB grades of steel plate 2 is right
Installation is connect, the ceramic substrate 3 is placed on the lower section that EH36 high-strength steel sheet 1 docks with CCSB grades of steel plates 2 place, bevel angle
It is 35 °, anti-inclination angle is 2 °, and the installation gap of banjo fixing butt jointing is 5mm, unfitness of butt joint 1mm；
2. being to clear up within the scope of 40mm to two side length of region to be welded, the oxidation film and dirt on surface are removed；
3. referring to fig. 2, carry out using three layers of welding multi-pass welding, the welding bead of each layer of welding layer with a thickness of 3mm, it is each
Layer welding layer carries out welding bead hammering after the completion of connecing, cleaning welding defect is each to weld then in the welding for carrying out next layer of welding layer
The welding point of layer mutually staggers.
Embodiment 2:
A kind of 3 welding method of EH36+CCSB ceramic substrate will be described using welding machine, welding material and ceramic substrate 3
EH36 high-strength steel sheet 1 and the CCSB grades of steel plate 2 carry out butt welding, and the ceramic substrate 3 is placed on EH36 high intensity
The thickness of steel plate 1 and CCSB grades of steel plates 2 is 12mm, and specific welding method is as follows:
1), welding condition is selected:
1. welding machine is selected: CO2 welding machine is selected, using Panasonic's board CO2 welding machine, KR-500GM (W type)；
2. welding material is selected: flux-cored wire: 3YSH10 grade, diameter 1.2mm, model Supercored -71；
Protective gas are as follows: CO2 gas, purity 99.91%；
3. welding parameter: welding current: 210A, weldingvoltage: 29V, throughput: 18~20L/min.
2), welding procedure is as follows, and specific size and structure can be found in FIG. 1 to FIG. 3:
1. the groove in all faces of nog plate material is until exposing metallic luster, and EH36 high-strength steel sheet 1 and CCSB grades of steel plate 2 is right
Installation is connect, the ceramic substrate 3 is placed on the lower section that EH36 high-strength steel sheet 1 docks with CCSB grades of steel plates 2 place, bevel angle
It is 45 °, anti-inclination angle is 3 °, and the installation gap of banjo fixing butt jointing is 8mm, unfitness of butt joint 0.5mm；
2. removing the oxidation film and dirt on surface not less than clearing up within the scope of 50mm to region two sides to be welded；
3. carry out using three layers of welding multi-pass welding, the welding bead of each layer of welding layer with a thickness of 4mm, each layer of welding layer
Welding bead hammering is carried out after the completion of connecing, cleaning welding defect is then in the welding for carrying out next layer of welding layer, the welding of each welding layer
Connector mutually staggers, and temperature difference control is within the scope of less than 200 DEG C between adjacent welding layer, temperature difference control between adjacent welding bead
System is within the scope of less than 200 DEG C.
It is that visual examination, taking X-ray, mechanical property are carried out to the welding effect of above-described embodiment 1 and embodiment 2 below
Test.
Visual examination, taking X-ray are carried out, wherein taking X-ray uses the method pair of non-destructive testing (clapping x-ray)
Weld dimensions are detected, and testing result meets the requirements, and testing result is specific as follows:
It has carried out mechanics properties testing and (has executed standard: GB/T 228.1-2010；GB/T 2653-2008/ISO 5173:
2000；GB/T 229-2007；GB/T 27551-2011/ISO9014:2001), testing result is all satisfied test requirements document, specifically
It is as follows:
It can be seen that welding line joint and the appearance and inside of the embodiment of the present invention 1 and embodiment 2 from above-mentioned test result
Quality, mechanical property are all satisfied index of correlation requirement.
Claims (3)
1. a kind of EH36+CCSB ceramic substrate welding method, it is characterised in that: welding machine, welding material and ceramic substrate are used, it will
EH36 high-strength steel sheet and CCSB grades of steel plates carry out butt welding, and specific welding method is as follows:
1), welding condition is selected:
1. welding machine is selected: selecting CO2 welding machine；
2. welding material is selected: flux-cored wire is 3YSH10 grade, diameter 1.2mm；Protective gas are as follows: CO2 gas, purity
99.9% or more；
3. welding parameter: welding current: 180~210A, weldingvoltage: 26~29V；
2), welding procedure:
1. EH36 high-strength steel sheet is docked peace with CCSB grades of steel plates until exposing metallic luster by the groove in all faces of plate of polishing
On ceramic substrate, bevel angle is 35~45 °, and anti-inclination angle is 2~3 °, and the installation gap of banjo fixing butt jointing is 5~8mm, wrong
Side amount is less than 1mm；
2. removing the oxidation film and dirt on surface not less than clearing up within the scope of 30mm to region two sides to be welded；
3. carrying out using multi-layer multi-pass welding, the thickness of the welding bead of each layer of welding layer is not more than 4mm, and each layer of welding layer has connect
At rear progress welding bead hammering, welding defect is cleared up then in the welding for carrying out next layer of welding layer, the welding point of each welding layer
It mutually staggers.
2. a kind of EH36+CCSB ceramic substrate welding method as described in claim 1, it is characterised in that: adjacent welding layer
Between temperature difference control within the scope of less than 200 DEG C, between adjacent welding bead temperature difference control within the scope of less than 200 DEG C.
3. a kind of EH36+CCSB ceramic substrate welding method as described in claim 1, it is characterised in that: the EH36 is high-strength
It spends steel plate and the CCSB grades of steel plate thickness scope is 6~12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910631802.5A CN110421229A (en) | 2019-07-12 | 2019-07-12 | A kind of EH36+CCSB ceramic substrate welding method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910631802.5A CN110421229A (en) | 2019-07-12 | 2019-07-12 | A kind of EH36+CCSB ceramic substrate welding method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114888404A (en) * | 2022-06-24 | 2022-08-12 | 广船国际有限公司 | Assembling and welding method for ship rocker arm and rotating shaft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114888404A (en) * | 2022-06-24 | 2022-08-12 | 广船国际有限公司 | Assembling and welding method for ship rocker arm and rotating shaft |
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