CN87102464A - Welding agent and be used for the restorative procedure of ironcasting - Google Patents
Welding agent and be used for the restorative procedure of ironcasting Download PDFInfo
- Publication number
- CN87102464A CN87102464A CN87102464.0A CN87102464A CN87102464A CN 87102464 A CN87102464 A CN 87102464A CN 87102464 A CN87102464 A CN 87102464A CN 87102464 A CN87102464 A CN 87102464A
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- welding
- welding agent
- weight
- agent
- groove
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Abstract
The invention belongs to ironcasting and repair class.This welding agent is with Al, Ni, Fe and other is (with magnetic Fe
3O
4Powder is main) composition evenly mixes by a certain percentage, and powder size is-100 orders.Welding agent is adopted CO after fully magnetizing
2Gas shielded arc welding will make by cold welding of cast iron and to weld.Can reach the purpose of reparation.
Description
The invention belongs to ironcasting and repair class.
For the reparation that solves ironcasting multiple approaches and methods was arranged once in the world.Nickel-base welding rod welding technology as propositions such as the U.S.; The argon arc welding technology that the Soviet Union that relevant document is introduced proposes with the pure nickel welding wire; " method that prevents of component of machine crackle " that also has Japan Patent (clear 39-18230 bulletin) to introduce, this method is at the local bevel that crackle takes place; Mother metal is given 150～200 ℃ of heat; Imbed the pure nickel electrode core in the groove and carry out arc welding; The welding back is incubated 4 hours in 540～560 ℃, and carries out machining after the cooling in stove.These methods generally can solve the reparation problem of ironcasting, but used nickel-base welding rod and the welding wire of these methods cost an arm and a leg, and the welder is required height, as weld the improper bad problem of processability that then still exists.And complex process, productivity ratio are difficult to improve.And CO
2The former welding that is mainly used in steel part of gas shielded arc welding.
The present invention is with general CO
2Gas shielded arc welding adds the restorative procedure that welding agent is used for ironcasting, has overcome the drawback that exists such as Japan Patent (clear 39-18230 bulletin).
This welding agent is characterised in that AL6.9～11.1%(weight), Ni11.9～19.1(weight), Cu1.5～3.4%(weight), Fe56.0～74.7%(weight) and less than 5% other (with magnetic Fe
3O
4Powder is main) uniform ingredients mix.Powder size is-100 orders.
The restorative procedure that aforementioned welding agent is used for ironcasting is to leave groove at position to be welded; Carry out machining after the welding on demand, its feature is fully being magnetized welding agent, near being reached, cleans out groove, and drying; Surface with fine aluminium silk friction groove slightly is silvery white in color to the surface; Through abundant magnetized welding agent, its thickness can be fully with its degree of being molten into selected standard in the topped equably skim of groove face; Impose CO
2Gas shielded arc welding, welding job will make by cold welding of cast iron and carrying out.
Welding agent of the present invention has strong graphitizability; use this welding agent when the reparation of ironcasting, because welding agent has been carried out abundant magnetization, the protected air-flow of welding agent dispels when having prevented welding; thereby realized welding under the full location status, promptly workpiece can weld under situation about not dismantling.The present invention is except having Japan Patent (clear 39-18330 bulletin) " method that prevents of machine components crackle " identical advantage, chill attenuation as the fused district of welding point, outside the welding point densification etc., use this welding agent also to have the tensile strength that guarantees that welding point is close with mother metal, fusion character is good, and processability such as is guaranteed at advantage.Simultaneously since fully phased out before the welding to mother metal give heat and the welding back heat-treats technology to mother metal, and that adopt is common Co
2The welding wire of gas shielded arc welding, low price, technical process is greatly simplified, and is easy to grasp, and has improved productivity ratio, and has obtained the welding point of high-quality.The reparation that this invention is used for engine cylinder head system, cylinder body has obtained satisfied result, produces effects obviously.
Below introduce embodiments of the invention:
The cylinder surface Crack repair that the present invention is used for the automobile engine of the inferior special model of French Baily.This crackle is to produce in the engine use.Method with head it off of the present invention is:
(1) leaves " U " type groove in the place that cylinder body cracks;
(2) welding agent of the present invention is magnetized;
(3) with groove and near clean out and drying;
(4) with fine aluminium silk friction groove face, slightly be silvery white in color to the surface;
(5) in the topped equably skim of groove face through abundant magnetized welding agent, its thickness is 0.5mm, adopts the welding wire of 0.8mmH08Mn2SiA then, carries out Co
2Gas shielded arc welding, welding job will make by cold welding of cast iron and carrying out, I=80A, U=19V when carrying out the bottom welding, and during the weldering second layer, standard is got I=100A, U=20V, and speed is grasped appropriateness, and layer is thinner, and welding quality is satisfied.
(6) weldment is carried out machining.
Claims (2)
1, a kind of welding agent, the present invention be characterised in that with AL6.9～11.1% (weight), Ni11.9～19.1% (weight), Fe56.0～74.7% (weight) and less than 5% (weight) other (with magnetic Fe
304Powder is main) uniform ingredients mix.Powder size is-100 orders.
2, use the described welding agent of claim 1 to be used for the restorative procedure of ironcasting, leave groove at position to be welded; Carry out machining after the welding on demand, it is characterized in that welding agent is fully magnetized; With groove and near clean out and drying; Surface with fine aluminium silk friction groove slightly is silvery white in color to the surface; Through abundant magnetized welding agent, its thickness can be fully with its degree of being molten into selected standard in the topped equably skim of groove face; Impose Co
2Gas shielded arc welding, welding job will make by cold welding of cast iron and carrying out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87102464 CN1012885B (en) | 1987-03-30 | 1987-03-30 | Welding agent and its use for reparing cast-iron part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87102464 CN1012885B (en) | 1987-03-30 | 1987-03-30 | Welding agent and its use for reparing cast-iron part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN87102464A true CN87102464A (en) | 1988-10-12 |
| CN1012885B CN1012885B (en) | 1991-06-19 |
Family
ID=4813965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87102464 Expired CN1012885B (en) | 1987-03-30 | 1987-03-30 | Welding agent and its use for reparing cast-iron part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1012885B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101898282A (en) * | 2009-05-07 | 2010-12-01 | 通用汽车环球科技运作公司 | Be used for the material that contains magnetic-particle that parts or substrate are tightened together |
| CN108480912A (en) * | 2018-05-31 | 2018-09-04 | 广州中船文冲船坞有限公司 | Welding repair method is changed in the digging of ironcasting |
| CN108788355A (en) * | 2017-04-27 | 2018-11-13 | 天津理工大学 | Solder can use welding method and the application of electric field driven |
-
1987
- 1987-03-30 CN CN 87102464 patent/CN1012885B/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101898282A (en) * | 2009-05-07 | 2010-12-01 | 通用汽车环球科技运作公司 | Be used for the material that contains magnetic-particle that parts or substrate are tightened together |
| CN101898282B (en) * | 2009-05-07 | 2014-12-24 | 通用汽车环球科技运作公司 | Method for fastening together parts or substrates |
| CN108788355A (en) * | 2017-04-27 | 2018-11-13 | 天津理工大学 | Solder can use welding method and the application of electric field driven |
| CN108788355B (en) * | 2017-04-27 | 2021-05-25 | 河北宇天材料科技有限公司 | Electric field driven soldering method and application of solder |
| CN108480912A (en) * | 2018-05-31 | 2018-09-04 | 广州中船文冲船坞有限公司 | Welding repair method is changed in the digging of ironcasting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1012885B (en) | 1991-06-19 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| C14 | Grant of patent or utility model | ||
| C19 | Lapse of patent right due to non-payment of the annual fee |