CN111250836A - Resistance arc double-hot-wire welding method for soft iron-copper composite structure elastic belt - Google Patents
Resistance arc double-hot-wire welding method for soft iron-copper composite structure elastic belt Download PDFInfo
- Publication number
- CN111250836A CN111250836A CN202010082991.8A CN202010082991A CN111250836A CN 111250836 A CN111250836 A CN 111250836A CN 202010082991 A CN202010082991 A CN 202010082991A CN 111250836 A CN111250836 A CN 111250836A
- Authority
- CN
- China
- Prior art keywords
- welding
- wire
- soft iron
- copper
- resistance
- 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.)
- Pending
Links
Images
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
- B23K9/16—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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/0013—Resistance welding; Severing by resistance heating welding for reasons other than joining, e.g. build up welding
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
-
- 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
- B23K28/00—Welding or cutting not covered by any of the preceding groups, e.g. electrolytic welding
- B23K28/02—Combined welding or cutting procedures or apparatus
-
- 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
-
- 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
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
-
- 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
-
- 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
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/12—Copper or alloys thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Arc Welding In General (AREA)
Abstract
A resistance arc double-hot-wire welding method for a soft iron-copper composite structure elastic band belongs to the technical field of welding. The invention solves the problems that in the existing soft iron-copper composite structure elastic band welding process, the soft iron and the copper with different resistance characteristics and different heat conduction characteristics adopt a single hot wire mode, so that the hot wire is insufficient, the heat effect of a molten pool and the stirring action are too strong, and the element diffusion of the composite structure elastic band layer is difficult to control. The method comprises the steps that a soft iron welding wire resistance hot wire system and a copper welding wire arc hot wire system are adopted to carry out surfacing welding on a soft iron part and a copper part respectively, an elastomer is fixed through a first rotating motor, a first TIG welding gun is fixed above the elastomer, two electrodes of a hot wire power supply are located at two ends of a wire guide nozzle respectively and are connected with the soft iron welding wire to form a conductive loop, and resistance hot resistance is provided to realize resistance hot wire of the soft iron welding wire; and the second TIG welding gun is fixed above the elastomer as a main welding gun, and the TIG auxiliary welding gun is fixed above the copper welding wire and provides arc heat to realize arc heating of the copper welding wire.
Description
Technical Field
The invention relates to a resistance arc double-hot-wire welding method for a soft iron-copper composite structure elastic band, and belongs to the technical field of welding.
Background
The cartridge band is a sealing piece of the shell, is an important component in the shell body structure of the shell, and is a key component for effectively ensuring the flight stability of the shell and accurately hitting a target. The reliability of the belt plays a crucial role in stable flight of the cannonball, and the high-quality belt can increase the range, improve the precision and reduce the abrasion of rifling. Traditional bullet area material includes soft iron and copper, and copper is soft itself, utilizes copper to lead to a large amount of copper to remain in the bore as the bullet area can lead to the shell transmission in-process, leads to the loss of copper bullet area, causes the pollution simultaneously, needs regularly clear up the bore, and the poor production of anti-shear capacity of copper bullet area sideslips in addition for the closed gas nature in the shell transmission is poor becomes poor, influences precision and range. The soft iron has higher hardness, the soft iron band can solve the problem of a copper band, but the friction between the band and rifling is increased, so that the wear of the rifling is more serious, and the service life of a bore is influenced.
The traditional single hot wire system is suitable for single-type welding wire deposition or multi-type welding wire deposition with small differences in the diameters, dry elongations, heat conductivities, and the like of welding wire materials, for example, welding wires with large resistance and poor heat conductivity, such as soft iron welding wires, carbon steel welding wires, low-alloy structural steel welding wires, and the like, often adopt a resistance welding wire preheating mode, and welding wires with small resistance and excellent heat conductivity, such as copper welding wires, silver welding wires, and the like, often adopt an arc welding wire preheating mode.
The applicant discloses a soft iron-brass composite elastic band structure and a welding method thereof, which are disclosed in an invention patent with application number 201210116527.1 filed by 2012.04.12, and discloses a soft iron-brass composite elastic band structure, but the same hot wire mode is adopted in the process of overlaying the soft iron part and the brass part, and due to the characteristics of large resistance of a soft iron welding wire and small resistance of a copper welding wire and larger difference of the thermal conductivity of the soft iron welding wire and the copper welding wire, the soft iron welding wire or the copper welding wire is insufficiently preheated by adopting a single hot wire mode (such as an arc hot wire or a resistance hot wire), so that the heat effect and the stirring effect of a molten pool are too strong, the element diffusion of an elastic band layer of a composite structure is difficult to control, the stability and the welding quality of the soft iron-copper composite elastic band are influenced, and the problems of resource waste, the production cost is too high and the like are caused.
Disclosure of Invention
The invention aims to solve the problems that in the existing soft iron-copper composite structure elastic band welding process, due to the fact that a single hot wire mode is adopted for soft iron and copper with different resistance characteristics and different heat conduction characteristics, hot wires are insufficient, so that the heat effect of a molten pool and the stirring effect are too strong, and element diffusion of a composite structure elastic band layer is difficult to control, and further provides a soft iron-copper composite structure elastic band resistance electric arc double hot wire welding method.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a soft iron-copper composite structure elastic band resistance electric arc double hot wire welding method adopts a soft iron welding wire resistance hot wire system and a copper welding wire electric arc hot wire system to respectively carry out surfacing welding on a soft iron part and a copper part,
the soft iron welding wire resistance hot wire system comprises a first TIG welding gun, a hot wire power supply and a first rotating motor, wherein an elastomer is fixed through the first rotating motor, the first TIG welding gun is fixed above the elastomer, two electrodes of the hot wire power supply are respectively positioned at two ends of a wire guide nozzle and are connected with the soft iron welding wire to form a conductive loop, and resistance heat is provided to realize resistance hot wire of the soft iron welding wire;
the copper welding wire electric arc hot wire system comprises a second TIG welding gun, a TIG auxiliary welding gun and a second rotating motor, the second TIG welding gun is used as a main welding gun and fixed above the projectile body, and the TIG auxiliary welding gun is fixed above the copper welding wire and provides electric arc heat to realize electric arc hot wire of the copper welding wire;
during welding, firstly overlaying a soft iron part, automatically feeding wires, and selecting the following parameters: the diameter of a welding wire is between 0.5 and 2.5mm, the wire feeding speed is between 0.5 and 20m/min, the welding current is between 3 and 300A, the rotation period of the first rotating motor is between 0.1 and 20r/min, and after the overlaying of the soft iron part is finished, the soft iron overlaying layer is cut;
then, overlaying and welding the copper part, and automatically feeding wires in the same way, wherein the selected parameters are as follows: the diameter of a welding wire is between 0.5 and 2.5mm, the wire feeding speed is between 0.5 and 20m/min, the welding currents of the second TIG welding gun and the TIG auxiliary welding gun are the same and are between 3 and 300A, the rotation period of the second rotating motor is between 0.1 and 20r/min, and after the overlaying of the copper part is finished, the copper overlaying layer is cut.
Further, in the process of overlaying the soft iron elastic belt and the copper elastic belt, the swing range of the welding gun is 0-20 mm.
Further, the soft iron welding wire resistance hot wire system reaches copper welding wire electric arc hot wire system all is provided with water cooling system, water cooling system includes water tank, water pump, outlet pipe, inlet tube and recovery funnel, takes out the cooling water in the water tank through the water pump and sends to the welding area of projectile body inside through the outlet pipe spraying, then the cooling water flows out from projectile body oral area to loop through recovery funnel and inlet tube and flow back to the water tank internal recycle.
Further, the soft iron portion is built up welded to the rear of the band and the copper portion is fusion welded to the front of the band.
Compared with the prior art, the invention has the following effects:
the utility model provides an in carrying out build-up welding process to soft iron-copper composite construction elastic band, according to the different characteristics of different welding wires, select different welding wire preheating mode, the resistance heater mode is selected to the welding wire that resistance is great and the heat conductivity is relatively poor (like soft iron welding wire), the electric arc heater mode is selected to the welding wire that resistance is less and the heat conductivity is excellent (like the copper welding wire), preheat original welding wire to high temperature and send into the molten bath again, can improve deposition rate and welding efficiency, reduce molten bath heat effect and stirring effect simultaneously, the element diffusion of control composite construction elastic band layer, thereby guarantee the shape and the performance control of soft iron-copper composite construction elastic band. The method effectively improves the surfacing efficiency of the composite structure elastic band, reduces the production cost, fully exerts the characteristics of copper and soft iron, obtains the composite elastic band with excellent mechanical property, good and stable forming, and ensures that the shooting range of the shell is farther, the shooting is more accurate and the power is larger.
Drawings
FIG. 1 is a schematic diagram of a soft iron welding wire resistance hot wire system;
FIG. 2 is a schematic diagram of a copper wire arc hot wire system;
FIG. 3 is a schematic view of the structure of a soft iron weld overlay (i.e., soft iron portion);
FIG. 4 is a schematic view of a soft iron band cutting process;
FIG. 5 is a schematic view of a copper build-up layer (copper portion) structure;
fig. 6 is a schematic view of the final cutting process of the belt.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 6, and a soft iron-copper composite structure elastic band resistance arc dual hot wire welding method adopts a soft iron wire resistance hot wire system and a copper wire arc hot wire system to perform surfacing welding on a soft iron part 12 and a copper part 13 respectively,
the soft iron welding wire resistance hot wire system comprises a first TIG welding gun 1, a hot wire power supply 2 and a first rotating motor 3, an elastomer 4 is fixed through the first rotating motor 3, the first TIG welding gun 1 is fixed above the elastomer 4, two electrodes of the hot wire power supply 2 are respectively positioned at two ends of a wire guide nozzle 5 and are connected with a soft iron welding wire 6 to form a conductive loop, and resistance heat is provided to realize resistance hot wire of the soft iron welding wire 6;
the copper welding wire electric arc hot wire system comprises a second TIG welding gun 7, a TIG auxiliary welding gun 8 and a second rotating motor 9, the second TIG welding gun 7 is used as a main welding gun and fixed above the projectile body 4, the TIG auxiliary welding gun 8 is fixed above the copper welding wire 10 and provides electric arc heat to realize electric arc hot wire of the copper welding wire 10;
during welding, firstly the soft iron part 12 is overlaid, automatic wire feeding is adopted, and the selected parameters are as follows: the diameter of a welding wire is between 0.5 and 2.5mm, the wire feeding speed is between 0.5 and 20m/min, the welding current is between 3 and 300A, the rotation period of the first rotating motor 3 is between 0.1 and 20r/min, and after the overlaying of the soft iron part 12 is finished, the soft iron overlaying layer is cut;
then the copper part 13 is welded by overlaying, and the automatic wire feeding is also adopted, and the selected parameters are as follows: the diameter of a welding wire is between 0.5 and 2.5mm, the wire feeding speed is between 0.5 and 20m/min, the welding currents of the second TIG welding gun 7 and the TIG auxiliary welding gun 8 are the same and are between 3 and 300A, the rotation period of the second rotating motor 9 is between 0.1 and 20r/min, and after the overlaying welding of the copper part 13 is finished, the copper overlaying layer is cut.
The end of the soft iron welding wire 6 is provided with the electric brush 11, a copper clamp can be arranged between the projectile body 4 and the rotating motor, and partial heat of the projectile body 4 is taken away in the welding process by utilizing the strong heat conductivity of the copper clamp. The soft iron part 12 is welded on the rear part of the elastic belt in a surfacing mode, the copper part 13 is welded on the front part of the elastic belt in a melting mode, and the relative width of the soft iron and the copper elastic belt can be flexibly adjusted.
Because the melting point of the soft iron welding wire 6 is higher than that of the copper welding wire 10, the soft iron elastic band part is firstly welded to avoid remelting of the firstly welded material.
The welding part and the cutting part of the soft iron surfacing layer and the copper surfacing layer are all the prior art, and are not described herein again.
The utility model provides an in carrying out build-up welding process to soft iron-copper composite construction elastic band, according to the different characteristics of different welding wires, select different welding wire preheating mode, the welding wire that just is great and the heat conductivity is relatively poor (like soft iron welding wire 6) selection resistance heater mode promptly, select the electric arc heater mode to the welding wire that resistance is less and the heat conductivity is excellent (like copper welding wire 10), preheat original welding wire to high temperature and send into the molten bath again, can improve deposition rate and welding efficiency, reduce molten bath heat effect and stirring effect simultaneously, the element diffusion of control composite construction elastic band layer, thereby guarantee the shape and the performance control of soft iron-copper composite construction elastic band. The method effectively improves the surfacing efficiency of the composite structure elastic band, reduces the production cost, fully exerts the characteristics of copper and soft iron, obtains the composite elastic band with excellent mechanical property, good and stable forming, and ensures that the shooting range of the shell is farther, the shooting is more accurate and the power is larger.
The first TIG welding gun 1, the first rotating motor 3, and the guide wire nozzle 5 are fixed by the first holding frame 14, and the second TIG welding gun 7, the TIG auxiliary welding gun 8, the second guide wire nozzle 5, and the second rotating motor 9 are fixed by the second holding frame 15.
The wire guide nozzle 5 has the function of giving a specific track to the welding wire in the wire reel and the wire feeding speed of 0.5-20m/min, so that the aims of automatic and accurate wire feeding and adjustable speed are fulfilled.
The rotating motor functions to rotate the projectile body 4. The rotation period is between 0.1 and 20r/min, and the purpose of forming an annular welding seam by adjustable automatic surfacing is achieved.
The alloy components of the selected soft iron welding wire 6 comprise C, Mn, Si, Cr, Ni and Fe;
the alloy composition of the selected copper wire 10 includes Cu, Mn, Si, Sn.
The second TIG welding gun 7 is used as a main welding gun and is used for providing a welding arc for welding the elastomer 4, and the swing range of the welding gun is within 0-20 mm.
The TIG auxiliary welding gun 8 is used for preheating the copper welding wire 10.
In the process of overlaying the soft iron elastic band and the copper elastic band, the swing range of the welding gun is between 0 and 20 mm.
The soft iron welding wire resistance hot wire system reaches copper welding wire electric arc hot wire system all is provided with water cooling system, water cooling system includes water tank 16, water pump, outlet pipe 17, inlet tube 18 and recovery funnel 19, takes out the cooling water in the water tank 16 through the water pump and spouts to the welding area of projectile body 4 inside through outlet pipe 17, then the cooling water flows out from projectile body 4 oral area to loop through recovery funnel 19 and inlet tube 18 and flow back to 16 internal recycle of water tank. So design, the cooling water in time takes away partial welding heat through 4 inner wall flows down of body, realizes forced water cooling, avoids 4 overheated of body, ensures to reach the metallurgical bonding state between soft iron bullet area surfacing layer and the body 4, between copper bullet area surfacing layer and soft iron bullet area surfacing layer and the body 4, guarantees compound bullet area surfacing layer bulk strength.
The soft iron portion 12 is welded to the rear of the band and the copper portion 13 is welded to the front of the band.
The second embodiment is as follows: the present embodiment is described with reference to fig. 1 to 6, and a soft iron-copper composite structure ribbon resistance arc dual-hot wire welding method specifically includes: firstly, overlaying a soft iron layer, as shown in figure 1, argon flow is 10L/min, a wire feeder and a welding machine are matched with each other, automatic wire feeding is carried out, the diameter of a welding wire is 1.2mm, and the wire feeding speed is 1.0 m/min. Welding current 145A. The projectile body is arranged on a rotating motor in the welding process, the rotating period of the rotating motor in the welding process is 1.5r/min, cooling water in a water tank is pumped out through a water pump and is sprayed to a welding area in the projectile body through a water outlet pipe, then the cooling water flows out from the mouth of the projectile body and flows back to the water tank through a recovery funnel and a water inlet pipe in sequence for recycling; the wire feeding speed, the welding current and the back water cooling are adjusted, and then cutting processing is carried out on the wire feeder, as shown in fig. 4.
And then overlaying the copper elastic band part, as shown in figure 2, matching a wire feeder and a welding machine with each other, automatically feeding wires, wherein the diameter of each welding wire is 1.2mm, the wire feeding speed is 0.8m/min, and the rotation period of a rotating motor is 1.5 r/min. The welding current was 140A. The same forced water cooling is adopted inside the elastic body, so that a metallurgical bonding state is achieved between the copper elastic band surfacing layer and the soft iron elastic band surfacing layer and between the copper elastic band surfacing layer and the elastic body, the overall strength of the composite elastic band surfacing layer is guaranteed, as shown in fig. 5, and then the composite elastic band is obtained through cutting machining, as shown in fig. 6.
The third concrete implementation mode: the present embodiment is described with reference to fig. 1 to 6, and a soft iron-copper composite structure ribbon resistance arc dual-hot wire welding method specifically includes: firstly, overlaying a soft iron layer, as shown in figure 1, argon flow is 10L/min, a wire feeder and a welding machine are matched with each other, automatic wire feeding is carried out, the diameter of a welding wire is 1.2mm, and the wire feeding speed is 0.8 m/min. Welding current 165A. The projectile body is arranged on a rotating motor in the welding process, the rotating period of the rotating motor in the welding process is 1.0r/min, cooling water in a water tank is pumped out through a water pump and is sprayed to a welding area in the projectile body through a water outlet pipe, then the cooling water flows out from the mouth of the projectile body and flows back to the water tank through a recovery funnel and a water inlet pipe in sequence for recycling; the wire feeding speed, the welding current and the back water cooling are adjusted, and then cutting processing is carried out on the wire feeder, as shown in fig. 4.
And then overlaying the copper elastic band part, as shown in figure 2, matching a wire feeder and a welding machine with each other, automatically feeding wires, wherein the diameter of each welding wire is 1.2mm, the wire feeding speed is 1.0m/min, and the rotation period of a rotating motor is 1.5 r/min. The welding current was 160A. The same forced water cooling is adopted inside the elastic body, so that a metallurgical bonding state is achieved between the copper elastic band surfacing layer and the soft iron elastic band surfacing layer and between the copper elastic band surfacing layer and the elastic body, the overall strength of the composite elastic band surfacing layer is guaranteed, as shown in fig. 5, and then the composite elastic band is obtained through cutting machining, as shown in fig. 6.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 1 to 6, and a soft iron-copper composite structure ribbon resistance arc dual-hot wire welding method specifically includes: firstly, overlaying a soft iron layer, as shown in figure 1, argon flow is 10L/min, a wire feeder and a welding machine are matched with each other, automatic wire feeding is carried out, the diameter of a welding wire is 1.2mm, and the wire feeding speed is 1.0 m/min. Welding current 140A. The projectile body is arranged on a rotating motor in the welding process, the rotating period of the rotating motor in the welding process is 1.0r/min, cooling water in a water tank is pumped out through a water pump and is sprayed to a welding area in the projectile body through a water outlet pipe, then the cooling water flows out from the mouth of the projectile body and flows back to the water tank through a recovery funnel and a water inlet pipe in sequence for recycling; the wire feeding speed, the welding current and the back water cooling are adjusted, and then cutting processing is carried out on the wire feeder, as shown in fig. 4.
And then overlaying the copper elastic band part, as shown in figure 2, matching a wire feeder and a welding machine with each other, automatically feeding wires, wherein the diameter of each welding wire is 1.2mm, the wire feeding speed is 1.0m/min, and the rotation period of a rotating motor is 1.0 r/min. The welding current was 145A. The same forced water cooling is adopted inside the elastic body, so that a metallurgical bonding state is achieved between the copper elastic band surfacing layer and the soft iron elastic band surfacing layer and between the copper elastic band surfacing layer and the elastic body, the overall strength of the composite elastic band surfacing layer is guaranteed, as shown in fig. 5, and then the composite elastic band is obtained through cutting machining, as shown in fig. 6.
Claims (4)
1. A resistance arc double-hot wire welding method for a soft iron-copper composite structure elastic band is characterized by comprising the following steps of: it adopts a soft iron welding wire resistance hot wire system and a copper welding wire electric arc hot wire system to respectively carry out surfacing welding on a soft iron part (12) and a copper part (13),
the soft iron welding wire resistance hot wire system comprises a first TIG welding gun (1), a hot wire power supply (2) and a first rotating motor (3), an elastomer (4) is fixed through the first rotating motor (3), the first TIG welding gun (1) is fixed above the elastomer (4), two electrodes of the hot wire power supply (2) are respectively positioned at two ends of a wire guide nozzle (5) and are connected with a soft iron welding wire (6) to form a conductive loop, and resistance heat is provided to realize resistance hot wire of the soft iron welding wire (6);
the copper welding wire electric arc hot wire system comprises a second TIG welding gun (7), a TIG auxiliary welding gun (8) and a second rotating motor (9), the second TIG welding gun (7) is used as a main welding gun and fixed above the elastomer (4), the TIG auxiliary welding gun (8) is fixed above the copper welding wire (10) and provides electric arc heat to realize electric arc hot wire of the copper welding wire (10);
during welding, firstly overlaying a soft iron part (12), automatically feeding wires, and selecting parameters as follows: the diameter of a welding wire is between 0.5 and 2.5mm, the wire feeding speed is between 0.5 and 20m/min, the welding current is between 3 and 300A, the rotation period of the first rotating motor (3) is between 0.1 and 20r/min, and after the surfacing of the soft iron part (12), the surfacing layer of the soft iron is cut;
then, overlaying a copper part (13), and also automatically feeding wires, wherein the selected parameters are as follows: the diameter of a welding wire is between 0.5 and 2.5mm, the wire feeding speed is between 0.5 and 20m/min, the welding currents of the second TIG welding gun (7) and the TIG auxiliary welding gun (8) are the same and are between 3 and 300A, the rotation period of the second rotating motor (9) is between 0.1 and 20r/min, and after the overlaying of the copper part (13) is finished, the copper overlaying layer is cut.
2. The soft iron-copper composite structure belt resistance arc double hot wire welding method according to claim 1, characterized in that: in the process of overlaying the soft iron elastic band and the copper elastic band, the swing range of the welding gun is between 0 and 20 mm.
3. The soft iron-copper composite structure ribbon resistance arc twin-hot wire welding method according to claim 1 or 2, characterized in that: the soft iron welding wire resistance hot wire system reaches copper welding wire electric arc hot wire system all is provided with water cooling system, water cooling system includes water tank (16), water pump, outlet pipe (17), inlet tube (18) and recovery funnel (19), takes out the cooling water in water tank (16) through the water pump and spouts to the inside welding area of projectile body (4) through outlet pipe (17), then the cooling water flows out from projectile body (4) oral area to loop through recovery funnel (19) and inlet tube (18) and flow back to water tank (16) inner loop and utilize.
4. The soft iron-copper composite structure belt resistance arc double hot wire welding method according to claim 3, characterized in that: the soft iron part (12) is welded on the rear part of the elastic band, and the copper part (13) is welded on the front part of the elastic band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010082991.8A CN111250836A (en) | 2020-02-07 | 2020-02-07 | Resistance arc double-hot-wire welding method for soft iron-copper composite structure elastic belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010082991.8A CN111250836A (en) | 2020-02-07 | 2020-02-07 | Resistance arc double-hot-wire welding method for soft iron-copper composite structure elastic belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111250836A true CN111250836A (en) | 2020-06-09 |
Family
ID=70923891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010082991.8A Pending CN111250836A (en) | 2020-02-07 | 2020-02-07 | Resistance arc double-hot-wire welding method for soft iron-copper composite structure elastic belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111250836A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351973A (en) * | 2021-07-01 | 2021-09-07 | 北京理工大学 | Direct resistance heating device for additive manufacturing wire feeding process |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333102A (en) * | 2001-04-02 | 2002-01-30 | 吉林华众轿车门股份有限公司 | Tungsten polar helium arc welding method for butt joint of profile aluminium alloy material |
| CN1686656A (en) * | 2005-04-26 | 2005-10-26 | 哈尔滨工业大学 | Argon arc preheating wire welding method |
| CN101508049A (en) * | 2009-03-26 | 2009-08-19 | 哈尔滨工业大学 | Automatic building-up technique and device of shell copper alloy conduction band TIG |
| CN102371421A (en) * | 2011-10-08 | 2012-03-14 | 哈尔工业大学 | Cold metal transition welding method and device thereof |
| CN102636084A (en) * | 2012-04-12 | 2012-08-15 | 哈尔滨工业大学 | Soft iron-brass composite band structure and welding method thereof |
| CN103480953A (en) * | 2013-09-16 | 2014-01-01 | 哈尔滨工业大学 | Soft iron and copper composite belt structure and welding method thereof |
| CN107186323A (en) * | 2017-07-21 | 2017-09-22 | 哈尔滨工业大学 | The welding wire heater welded for heating wire TIG |
| CN107813029A (en) * | 2017-10-30 | 2018-03-20 | 无锡市迪索数控焊接设备有限公司 | Automatic seal type pipe pipe welding head |
| RU2710145C1 (en) * | 2018-12-28 | 2019-12-24 | Владимир Петрович Сидоров | Method of producing build up metal samples |
-
2020
- 2020-02-07 CN CN202010082991.8A patent/CN111250836A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333102A (en) * | 2001-04-02 | 2002-01-30 | 吉林华众轿车门股份有限公司 | Tungsten polar helium arc welding method for butt joint of profile aluminium alloy material |
| CN1686656A (en) * | 2005-04-26 | 2005-10-26 | 哈尔滨工业大学 | Argon arc preheating wire welding method |
| CN101508049A (en) * | 2009-03-26 | 2009-08-19 | 哈尔滨工业大学 | Automatic building-up technique and device of shell copper alloy conduction band TIG |
| CN102371421A (en) * | 2011-10-08 | 2012-03-14 | 哈尔工业大学 | Cold metal transition welding method and device thereof |
| CN102636084A (en) * | 2012-04-12 | 2012-08-15 | 哈尔滨工业大学 | Soft iron-brass composite band structure and welding method thereof |
| CN103480953A (en) * | 2013-09-16 | 2014-01-01 | 哈尔滨工业大学 | Soft iron and copper composite belt structure and welding method thereof |
| CN107186323A (en) * | 2017-07-21 | 2017-09-22 | 哈尔滨工业大学 | The welding wire heater welded for heating wire TIG |
| CN107813029A (en) * | 2017-10-30 | 2018-03-20 | 无锡市迪索数控焊接设备有限公司 | Automatic seal type pipe pipe welding head |
| RU2710145C1 (en) * | 2018-12-28 | 2019-12-24 | Владимир Петрович Сидоров | Method of producing build up metal samples |
Non-Patent Citations (1)
| Title |
|---|
| 磨安详: "软铁弹带 TIG 堆焊工艺及界面研究", 《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅰ辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351973A (en) * | 2021-07-01 | 2021-09-07 | 北京理工大学 | Direct resistance heating device for additive manufacturing wire feeding process |
| CN113351973B (en) * | 2021-07-01 | 2022-07-15 | 北京理工大学 | Direct resistance heating device for additive manufacturing wire feeding process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101508049B (en) | Automatic building-up technique and device of shell copper alloy conduction band TIG | |
| CA2672669C (en) | Methods for producing even wall down-hole power sections | |
| CN109262111B (en) | Twin-wire surfacing device and method | |
| CN101890560B (en) | Narrow-clearance heating wire TIG welding gun | |
| CN100358665C (en) | Method for welding shell belt by argon arc build-up welding with different copper double wires | |
| CN101391331A (en) | Two-sides arc-welding device based on welding wire diffluence and welding method thereof | |
| CN102636084A (en) | Soft iron-brass composite band structure and welding method thereof | |
| CN104278269A (en) | Preparation method for surface-reinforcing coating of copper crystallizer | |
| CN111250836A (en) | Resistance arc double-hot-wire welding method for soft iron-copper composite structure elastic belt | |
| CN115229194B (en) | Method for realizing connection of titanium steel medium plate by high-speed laser cladding additive CuNi alloy | |
| CN110023029A (en) | Spiral shape welding wire and conveyor screw shape welding torch | |
| CN206455281U (en) | A kind of coaxial many tungsten electrode congruent melting pond TIG welders and its welding gun | |
| CN206898554U (en) | Mobile robot's TIG weld system | |
| CN103028825A (en) | Surface hardening treatment method for shaft sleeve of nuclear secondary pump | |
| CN102133673B (en) | TIG (Tungsten Inert Gas) automatic surfacing method for projectile copper alloy conduction band | |
| CN107971606A (en) | A kind of pre- jointing method of steel pipe weld bond | |
| CN101121213A (en) | Soldering technology for water cooling pipe of welding gun and water cooling pipe of welding gun | |
| CN118204588A (en) | Brazing process for realizing connection of hard alloy and steel dissimilar materials by low-silver foil brazing filler metal and application thereof | |
| CN206241447U (en) | One kind rotation tungsten electrode heating wire TIG welding gun | |
| CN106513943B (en) | A kind of metal powder-cored wire high-efficiency welding method | |
| CN100577339C (en) | Melting strip electrode automatic condensed electric arc deposit welding method and device thereof | |
| CN111496346A (en) | double-MAG heat source double-filament submerged arc surfacing method | |
| CN102489847B (en) | Automatic paraxial powder-feeding welding gun for alloy powder filling argon tungsten-arc welding | |
| CN100478111C (en) | Method for inert gas-shielded soldering Bashi alloying tungsten electrode | |
| CN207255439U (en) | A kind of TIG welding guns |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200609 |