CN1817542A - Method for welding shell belt by argon arc build-up welding with different copper double wires - Google Patents
Method for welding shell belt by argon arc build-up welding with different copper double wires Download PDFInfo
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- CN1817542A CN1817542A CN 200610009769 CN200610009769A CN1817542A CN 1817542 A CN1817542 A CN 1817542A CN 200610009769 CN200610009769 CN 200610009769 CN 200610009769 A CN200610009769 A CN 200610009769A CN 1817542 A CN1817542 A CN 1817542A
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Abstract
A technology for welding the band on artillery shell with welding brass wire and red copper wire by build-up argon arc welding includes such steps as providing welding red copper wire and the welding brass wire containing Zn by 5-35%, welding a ring band on the artillery shell by build-up argon arc welding of said both welding wire, and surface treating. Its advantages are high welding strength and toughness, high quality of shell band without pinholes and low cost.
Description
Technical field
The present invention relates to the welding method of shell bearing band.
Background technology
The bearing band major part of traditional heavy caliber shell is a brass material, has dovetail groove on the afterbody of shell matrix, and the copper alloy bearing band of making is embedded in this dovetail groove, and dependence mechanical bond power realization bearing band combines with the shell matrix.But produce the problem of two aspects thus: the one, the shell wall thickness is inhomogeneous, and dovetail groove can produce stress and concentrates than thick being in of thin-walled when shellbursting, become the weak link of shell matrix, causes explosive effect undesirable; The 2nd, cost is higher, and mechanical bond easily comes off bearing band.For overcoming the above problems, at present, welding method is generally adopted in the connection of external shell bearing band, mainly contains deposited weldering, radial direction friction welding, soldering and explosive welding (EW) etc.But all there is certain restriction in these methods, and wherein the radial friction soldering equipment is big and expensive, and the intensity difference of soldering, explosive welding (EW) is dangerous and require more high to surrounding environment.Find that in experiment with in producing if adopt single red copper welding wire welding, the intensity of the shell bearing band of welding forming is low, and poor at the interface bond strength of copper and steel matrix, so this method requires to technical process very strict.And if adopt the welding of single brass, contained zinc has more serious volatilization phenomenon in the brass welding wire in welding process, easily forms pore in bearing band weldering body, influences the quality of bearing band, and zinc in the gas of welding process volatilization, contain poisonous, bigger to welding operating personnel's harmfulness.
Summary of the invention
The present invention for the poor bonding strength of the bearing band that solves existing shell body Welding Structure and exist and body, adopt single brass to weld, contained zinc volatilizees in welding process and easily forms pore, the bad problem of appearance of weld in bearing band weldering body in the brass welding wire, proposed a kind of method that adopts heterogeneous copper mariages argon arc weld deposit welding shell bearing band, the step of the concrete technical scheme that addresses this problem is as follows:
Step 1, to select red copper welding wire and brass welding wire, the diameter of red copper welding wire for use be that the diameter of 1～2mm, brass welding wire is 0.8～1.6mm;
Step 2, with red copper welding wire and brass welding wire, respectively by the bearing band weld wire feed of two TIG wire-feed motor to the shell surface, along welding direction, the red copper welding wire is preceding, brass welding wire after, red copper welding wire and brass welding wire feed ratio be, the red copper welding wire is 65～95% by weight percentage, brass welding wire is 35～5%, body moves in the direction of the clock, and the welding manner of employing argon arc mixing built-up welding is welded into the shell bearing band of annular on the cylindrical interface of shell body;
Step 3, adopt the machine cut mode to handle to the surface of the shell bearing band that is welded into annular through step 2.
The present invention adopts said method to be applicable to the production of body welding bearing band, the thickness attenuation of shell body, it is big that the volume in powder charge chamber becomes, make the lethality of shell increase, and bearing band can both meet the demands with the interface bond strength of body and the intensity and the toughness on bearing band surface, this method has also reduced the volatilization of zinc in welding process, improve welding operation personnel's working environment and improved the security of operating, appearance of weld is good, the associativity of bearing band and body is good, improve the intensity of bearing band body, reduced the characteristics of the cost of shell.
Description of drawings
Fig. 1 is the schematic diagram that the present invention welds the bearing band process, and Fig. 2 is the shell bearing band structural representation behind the welding forming.1 is the red copper welding wire among the figure, the 2nd, and zinc content accounts for 5%～35% brass welding wire, and the 3rd, the TIG welding gun, the 4th, the shell body, the 5th, be welded on the bearing band body on the shell body.
The specific embodiment
The specific embodiment one: the step of present embodiment is as follows:
Step 1, select red copper welding wire and brass welding wire for use, to select zinc content for use be 5～35% to brass welding wire by weight percentage, and the diameter of red copper welding wire is that the diameter that 1～2mm and zinc content account for 5～35% brass welding wire is 0.8～1.6mm;
Step 2, with red copper welding wire and brass welding wire, respectively by the bearing band weld wire feed of two TIG wire-feed motor to the gun shell interface, along welding direction, the red copper welding wire is preceding, brass welding wire after, red copper welding wire and brass welding wire feed ratio are, the red copper welding wire is 65～95% by weight percentage, brass welding wire is 35～5%, the shell body moves in the direction of the clock, the welding manner of employing argon arc mixing built-up welding is welded into wall thickness on the cylindrical interface of shell body be 2～5mm, and width is the annular shell bearing band of 5～50mm;
Step 3, adopt the machine cut mode to handle to the surface of the shell bearing band that is welded into annular through step 2.
Bearing band through the said method welding, adopt the bearing band place wire feed of two TIG wire-feed motor to welding, can guarantee effectively that red copper welding wire and zinc content account for the loading of 5～35% brass welding wire raw metal, improve and fill deposition rate, red copper welding wire and zinc content account under the effect of welding wire at arc force of two kinds of materials of brass of 5～35% and are mixed uniformly in the process of welding, shell bearing band after the welding is formed by red copper welding wire and zinc content account for the new alloy that two kinds of raw metals of brass welding wire of 5～35% mix.The red copper welding wire of fusing can suppress the volatilization of the zinc in the brass, reduces the pore that causes the formation of shell bearing band body in the welding process because of the volatilization of zinc, makes the associativity of bearing band and body good, improved the intensity of bearing band body, and the formability of bearing band is improved also.
The specific embodiment two: the difference of the present embodiment and the specific embodiment one is that the red copper welding wire is heated incessantly in the wire feed process, and the temperature of heating red copper welding wire is 200～600 ℃, can improve welding efficiency after the heating of red copper welding wire.
The specific embodiment three: the difference of the present embodiment and the specific embodiment one is in the step 2 that by weight percentage the red copper welding wire is 65%, brass welding wire is 35%.
The specific embodiment four: the difference of the present embodiment and the specific embodiment one is in the step 2 that by weight percentage the red copper welding wire is 90%, brass welding wire is 10%.
The specific embodiment five: the difference of the present embodiment and the specific embodiment one is in the step 2 that by weight percentage the red copper welding wire is 80%, brass welding wire is 20%.
Claims (7)
1, adopt the method for heterogeneous copper mariages argon arc weld deposit welding shell bearing band, it is characterized in that this method adopts following steps:
Step 1, to select red copper welding wire and brass welding wire, the diameter of red copper welding wire for use be that the diameter of 1～2mm, brass welding wire is 0.8～1.6mm;
Step 2, with red copper welding wire and brass welding wire, respectively by the bearing band weld wire feed of two TIG wire-feed motor to the gun shell interface, along welding direction, the red copper welding wire is preceding, brass welding wire after, red copper welding wire and brass welding wire feed ratio be, the red copper welding wire is 65～95% by weight percentage, brass welding wire is 35～5%, shell moves in the direction of the clock, and the welding manner of employing argon arc mixing built-up welding is welded into the shell bearing band of annular on the cylindrical interface of shell body;
Step 3, adopt the machine cut mode to handle to the surface of the shell bearing band that is welded into annular through step 2.
2, the method for the heterogeneous copper mariages of employing according to claim 1 argon arc weld deposit welding shell bearing band is characterized in that by weight percentage zinc content is 5～35% in the brass welding wire.
3, the method for the heterogeneous copper mariages of employing according to claim 1 argon arc weld deposit welding shell bearing band is characterized in that the red copper welding wire in the step 2 is heated incessantly in the wire feed process, and the temperature of heating red copper welding wire is 200～600 ℃.
4, the method for the heterogeneous copper mariages of employing according to claim 1 argon arc weld deposit welding shell bearing band is characterized in that the wall thickness that step 2 is welded into annular shell bearing band is 2～5mm, and width is 5～50mm.
5, the method for the heterogeneous copper mariages of employing according to claim 1 argon arc weld deposit welding shell bearing band is characterized in that in the step 2 that by weight percentage the red copper welding wire is 65%, brass welding wire is 35%.
6, the method for the heterogeneous copper mariages of employing according to claim 1 argon arc weld deposit welding shell bearing band is characterized in that in the step 2 that by weight percentage the red copper welding wire is 90%, brass welding wire is 10%.
7, the method for the heterogeneous copper mariages of employing according to claim 1 argon arc weld deposit welding shell bearing band is characterized in that in the step 2 that by weight percentage the red copper welding wire is 80%, brass welding wire is 20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100097695A CN100358665C (en) | 2006-03-06 | 2006-03-06 | Method for welding shell belt by argon arc build-up welding with different copper double wires |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100097695A CN100358665C (en) | 2006-03-06 | 2006-03-06 | Method for welding shell belt by argon arc build-up welding with different copper double wires |
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| CN1817542A true CN1817542A (en) | 2006-08-16 |
| CN100358665C CN100358665C (en) | 2008-01-02 |
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| CNB2006100097695A Expired - Fee Related CN100358665C (en) | 2006-03-06 | 2006-03-06 | Method for welding shell belt by argon arc build-up welding with different copper double wires |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133673A (en) * | 2009-03-26 | 2011-07-27 | 哈尔滨工业大学 | TIG (Tungsten Inert Gas) automatic surfacing method for projectile copper alloy conduction band |
| CN101508049B (en) * | 2009-03-26 | 2012-01-04 | 哈尔滨工业大学 | Automatic building-up technique and device of shell copper alloy conduction band TIG |
| 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 |
| CN103071891A (en) * | 2012-12-28 | 2013-05-01 | 哈尔滨工业大学 | Method for welding composite bearing band of soft iron mixed with pure copper, and structure of composite bearing band |
| CN105081533A (en) * | 2015-07-31 | 2015-11-25 | 哈尔滨工业大学 | Variable ingredient proportion intermetallic compound material manufacturing system based on TIG welding |
| CN105127554A (en) * | 2015-09-08 | 2015-12-09 | 刘文斌 | Wire feeding method for welding wires |
| CN105798452A (en) * | 2016-05-23 | 2016-07-27 | 哈尔滨万洲焊接技术有限公司 | Method for preparing copper cartridge belt in self-propagating manner with assistance of supersonic vibration |
| CN108067715A (en) * | 2016-11-11 | 2018-05-25 | 南京理工大学 | A kind of double cold automatic increasing material manufacturing method and devices that fill silk of robot plasma arc |
| CN111390338A (en) * | 2020-04-03 | 2020-07-10 | 哈尔滨工业大学 | Method for additive manufacturing of TiAl intermetallic compound through heterogeneous dual-wire TOP-TIG electric arc |
| CN111730177A (en) * | 2020-05-20 | 2020-10-02 | 山东大学 | Low-dilution-rate double-filler-wire TIG surfacing process and application thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3838497A (en) * | 1972-11-15 | 1974-10-01 | Us Army | Attachment of rotating band to shell casing by brazing |
| DE4039956C2 (en) * | 1990-12-14 | 2000-06-21 | Diehl Stiftung & Co | Method of attaching a guide tape to a floor |
| NO300294B1 (en) * | 1995-11-21 | 1997-05-05 | Raufoss Tech As | Process of producing projectiles |
| CN1234305A (en) * | 1998-05-04 | 1999-11-10 | 南海市黄岐良奇钢瓶总厂 | Steel-cylinder forming-welding technology |
| CN1245271C (en) * | 2003-04-17 | 2006-03-15 | 西北工业大学 | Method for welding bearing band |
| CN1330449C (en) * | 2004-11-08 | 2007-08-08 | 渤海船舶重工有限责任公司 | Double sides double arc welding method |
-
2006
- 2006-03-06 CN CNB2006100097695A patent/CN100358665C/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508049B (en) * | 2009-03-26 | 2012-01-04 | 哈尔滨工业大学 | Automatic building-up technique and device of shell copper alloy conduction band TIG |
| CN102133673B (en) * | 2009-03-26 | 2013-04-17 | 哈尔滨工业大学 | TIG (Tungsten Inert Gas) automatic surfacing method for projectile copper alloy conduction band |
| CN102133673A (en) * | 2009-03-26 | 2011-07-27 | 哈尔滨工业大学 | TIG (Tungsten Inert Gas) automatic surfacing method for projectile copper alloy conduction band |
| CN102636084B (en) * | 2012-04-12 | 2014-10-08 | 哈尔滨工业大学 | Soft iron-brass composite band structure and welding method 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 |
| CN103071891B (en) * | 2012-12-28 | 2015-07-15 | 哈尔滨工业大学 | Method for welding composite bearing band of soft iron mixed with pure copper, and structure of composite bearing band |
| CN103071891A (en) * | 2012-12-28 | 2013-05-01 | 哈尔滨工业大学 | Method for welding composite bearing band of soft iron mixed with pure copper, and structure of composite bearing band |
| CN105081533A (en) * | 2015-07-31 | 2015-11-25 | 哈尔滨工业大学 | Variable ingredient proportion intermetallic compound material manufacturing system based on TIG welding |
| CN105127554A (en) * | 2015-09-08 | 2015-12-09 | 刘文斌 | Wire feeding method for welding wires |
| CN105798452A (en) * | 2016-05-23 | 2016-07-27 | 哈尔滨万洲焊接技术有限公司 | Method for preparing copper cartridge belt in self-propagating manner with assistance of supersonic vibration |
| CN108067715A (en) * | 2016-11-11 | 2018-05-25 | 南京理工大学 | A kind of double cold automatic increasing material manufacturing method and devices that fill silk of robot plasma arc |
| CN111390338A (en) * | 2020-04-03 | 2020-07-10 | 哈尔滨工业大学 | Method for additive manufacturing of TiAl intermetallic compound through heterogeneous dual-wire TOP-TIG electric arc |
| CN111390338B (en) * | 2020-04-03 | 2022-02-11 | 哈尔滨工业大学 | Method for additive manufacturing of TiAl intermetallic compound through heterogeneous dual-wire TOP-TIG electric arc |
| CN111730177A (en) * | 2020-05-20 | 2020-10-02 | 山东大学 | Low-dilution-rate double-filler-wire TIG surfacing process and application thereof |
| CN111730177B (en) * | 2020-05-20 | 2021-07-13 | 山东大学 | Low-dilution-rate double-filler-wire TIG surfacing process and application thereof |
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