CN103170726A - Strap-shaped welding wire filling-in type stirring friction treatment method - Google Patents
Strap-shaped welding wire filling-in type stirring friction treatment method Download PDFInfo
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- CN103170726A CN103170726A CN2013101282072A CN201310128207A CN103170726A CN 103170726 A CN103170726 A CN 103170726A CN 2013101282072 A CN2013101282072 A CN 2013101282072A CN 201310128207 A CN201310128207 A CN 201310128207A CN 103170726 A CN103170726 A CN 103170726A
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Abstract
The invention relates to a strap-shaped welding wire filling-in type stirring friction treatment method, relates to a filling-in type stirring friction treatment method, and aims at solving the problem that generally high-energy beam powder bead welding can only be conducted under gas protection or even under vacuum condition. The method comprises the following steps of: firstly, pretreatment preparation, namely, a wire feeding wheel and a positioning guide wheel are fixed on a main shaft of a welding machine, a material to be treated is clamped, a strap-shaped welding wire is put under the positioning guide wheel, the positioning guide wheel is tightly adhered to the surface of the material to be treated, the strap-shaped welding wire is fixed on the surface of the material to be treated, and the end part of the strap-shaped welding wire is put just below a needleless welding tool; secondly, stirring friction treatment, namely, the welding machine is started, the needleless welding tool starts to vertically feed downwards, the shaft shoulder of the needleless welding tool is contacted with the end part of the strap-shaped welding wire and is gradually compressed into the upper surface of the material to be treated, and the strap-shaped welding wire is subjected to bead welding on the surface of the material to be treated by using the stirring and fogging and pressing functions of the shaft shoulder; and thirdly, after-welding settlement, namely, the welding wire is cut off by using a pair of cutting nippers, the residual welding material and overlap are removed by using a steel wire brush. The method is applied to stirring friction treatment.
Description
Technical field
The present invention relates to a kind of formula agitating friction processing method of inserting, be specifically related to a kind of banded welding wire and insert formula agitating friction processing method.
Background technology
It is material modification and the new preparation technology that the R S M ISHRA by Missouri, USA university (University of Missouri) proposed based on friction stir welding (friction stir welding is abbreviated as FSW) technique in 2000 that agitating friction is processed (friction stir processing is abbreviated as FSP).Friction stir welding can be directly used on weldless complete material, directly material being carried out agitating friction processes, its purpose is not welding, but improves the processing of metal material performance, and the welded seam of aluminium alloy that for example the metal mother metal is carried out after surface treatment or melting welding carries out after welding treatment.Unique and the significant advantage of FSP is with frictional heat to realize the preparation of material surface grain refinement, bulk material grain refinement and composite surface material with the method for machining as thermal source, has environmental protection, the characteristics such as energy-conservation.
Built-up welding is a kind of process of the property metal level such as wear-resisting, anti-corrosion in metal material or piece surface melting welding; Can the underproof metallic element of restoration contour and product by built-up welding, or make the bimetallic parts; Adopt the service life that built-up welding can elongated component, reduce costs, improve product design, especially significant to reasonable use material (particularly precious metal).
Traditional overlaying method mainly selects electric arc as thermal source, yet, be subject to the impact of many unfavorable factors such as blow force of arc, be difficult to reach simultaneously the target of efficient and low dilution rate.Must cause the increase of heat input in order to improve built-up welding efficient, the fusion penetration of base material increases, and overlay properties descends.
In recent years, the proposition of High Power Density Beam Powder Surfacing Technique is expected to address the above problem.High Power Density Beam Powder Surfacing Technique be with high energy beam current as thermal source, with the alloy powder of certain ingredients as the extraordinary bead-welding technology of filling metal.According to the difference of welding heat source, High Power Density Beam Powder Surfacing mainly can be divided into plasma arc surfacing, electron beam built-up welding, laser built-up welding and light beam surfacing.Utilize the high energy beam thermal source can realize the accurate control of heat input, obtain that the heat distortion is little, dilution rate is little, dense structure, moulding are attractive in appearance, the overlay cladding of superior performance, and High Power Density Beam Powder Surfacing productivity ratio is high, and weld deposit process is easy to realize mechanization and automation.Yet; compare with common overlaying method; High Power Density Beam Powder Surfacing Technique need to even could carry out under vacuum condition smoothly in gas shield mostly; and; welding equipment is also more complicated, and one-time investment is large, and production cost is high; apart from production reality, certain distance is arranged still, particularly for the laser stacks welding technology.
Summary of the invention
The objective of the invention is mostly need to even could carry out smoothly under vacuum condition in gas shield for solving High Power Density Beam Powder Surfacing, welding efficiency is low, and the problem that welding cost is high proposes a kind of banded welding wire and inserts formula agitating friction processing method.
The inventive method realizes by following steps:
Prepare before step 1, processing: wire feed rolls and positioning guide wheel are mounted on the welding machine main shaft, pending material is carried out clamping, banded welding wire is placed under positioning guide wheel, positioning guide wheel is close to the surface of pending material, and banded welding wire is fixed in the surface of pending material, with the end of banded welding wire be placed in the needleless soldering set under, the width d of banded welding wire should be equal to or less than the shaft shoulder diameter D of needleless soldering set;
The present invention has the following advantages: one, the invention belongs to solid phase connecting method, utilize the peculiar friction stirring of the needleless soldering set shaft shoulder and forging and pressing effect, to add the solder wire material built-up welding in pending material surface, compare for the overlaying method of welding heat source with present employing electric arc, electron beam, plasma arc, laser etc., welding temperature obviously reduces, and the heat distortion reduces, welding residual stress reduces, the material dilution rate reduces, and interface bond strength improves, and the surface smoothing in processed zone is attractive in appearance; Working environment cleaning of the present invention need not vacuum or gas shield, and processing procedure has reduced welding cost without arc light, smoke contamination, has improved welding efficiency.Two, the present invention can realize that banded the overlapping of welding wire of multilayer send into, and the multilayer welding wire is of the same race or foreign material each other, thereby satisfies different need of productions, obtains the surface layer structure of different-thickness and characteristic.Three, by selecting different types of banded welding wire, can change the surface property of material, particularly the characteristic such as wear-resisting, anti-corrosion.
Description of drawings
Fig. 1 is the front schematic diagram of processing that banded welding wire is inserted formula agitating friction processing method; Fig. 2 is the processing procedure schematic diagram that banded welding wire is inserted formula agitating friction processing method; Fig. 3 is the top view of Fig. 2.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1～Fig. 3, present embodiment is described, present embodiment realizes by following steps:
The specific embodiment two: in conjunction with Fig. 3, present embodiment is described, present embodiment is that stirring-head 1, positioning guide wheel 4, banded welding wire 5, wire feed rolls 3 are located along the same line.Other step is identical with the specific embodiment one.
The specific embodiment three: in conjunction with 2 and Fig. 3 present embodiment is described, present embodiment is that in step 1, positioning guide wheel 4 both sides are designed with flange 4-1, flange 4-1 height should be more than or equal to the thickness of banded welding wire 5.Flange 4-1 can avoid banded welding wire 5 transverse shiftings, and the banded welding wire 5 of flange 4-1 guiding is laid along welding direction.Other step is identical with the specific embodiment one or two.
The specific embodiment four: in conjunction with Fig. 1 and Fig. 3, present embodiment is described, present embodiment is that the width d of the banded welding wire 5 in step 1 is than the little 0.3mm of shaft shoulder diameter D of needleless soldering set 1.Other step is identical with the specific embodiment three.
The specific embodiment five: in conjunction with Fig. 1～Fig. 3, present embodiment is described, present embodiment is that the banded welding wire 5 in step 1 can overlapping placement of multiple layers, and the banded welding wire 5 of multilayer can be same material or foreign material.Like this for obtaining the overlay cladding of different-thickness and structure.When banded welding wire 5 adopted the mode of multiple-layer overlappeds to weld, the flange 4-1 height of positioning guide wheel 4 both sides should be more than or equal to the cumulative thickness of the banded welding wire 5 of multilayer.Other step is identical with the specific embodiment three.
The specific embodiment six: present embodiment is described in conjunction with Fig. 2, present embodiment is that the rotary speed of the needleless soldering set 1 in step 2 is that 500rpm, speed of welding are 600mm/min, the inclination angle of needleless soldering set 1 is 2 °, and shaft shoulder compression distance surpasses banded welding wire thickness 0.12mm.Other step is identical with the specific embodiment one.
The specific embodiment seven: present embodiment is described in conjunction with Fig. 2, present embodiment is that the rotary speed of the needleless soldering set 1 in step 2 is that 800rpm, speed of welding are 200mm/min, the inclination angle of needleless soldering set 1 is 1 °, and shaft shoulder compression distance surpasses banded welding wire thickness 0.14mm.Other step is identical with the specific embodiment one.
The specific embodiment eight: present embodiment is described in conjunction with Fig. 2, present embodiment is that the rotary speed of the needleless soldering set 1 in step 2 is that 800rpm, speed of welding are 500mm/min, the inclination angle of needleless soldering set 1 is 3 °, and shaft shoulder compression distance surpasses banded welding wire thickness 0.15mm.Other step is identical with the specific embodiment one.
The specific embodiment nine: present embodiment is described in conjunction with Fig. 2, present embodiment is that the rotary speed of the needleless soldering set 1 in step 2 is that 1000rpm, speed of welding are 300mm/min, the inclination angle of needleless soldering set 1 is 1 °, and shaft shoulder compression distance surpasses banded welding wire thickness 0.16mm.Other step is identical with the specific embodiment one.
The specific embodiment ten: present embodiment is described in conjunction with Fig. 2, present embodiment is that the rotary speed of the needleless soldering set 1 in step 2 is that 1200rpm, speed of welding are 400mm/min, the inclination angle of needleless soldering set 1 is 4 °, and shaft shoulder compression distance surpasses banded welding wire thickness 0.18mm.Other step is identical with the specific embodiment one.
Claims (10)
1. a banded welding wire is inserted formula agitating friction processing method, and it is characterized in that: described method realizes by following steps:
step 1, prepare before processing: wire feed rolls (3) and positioning guide wheel (4) are mounted on the welding machine main shaft, pending material (2) is carried out clamping, banded welding wire (5) is placed under positioning guide wheel (4), positioning guide wheel (4) is close to the surface of pending material (2), and banded welding wire (5) is fixed in the surface of pending material (2), with the end of banded welding wire (5) be placed in needleless soldering set (1) under, the width d of banded welding wire (5) should be equal to or less than the shaft shoulder diameter D of needleless soldering set (1),
step 2, agitating friction processing procedure: start welding machine, needleless soldering set (1) begins feeding vertically downward, subsequently, the shaft shoulder of needleless soldering set (1) begins to contact with the end of banded welding wire (5) and is pressed into gradually the upper surface of pending material (2), agitating friction is processed beginning, positioning guide wheel (4) and needleless soldering set (1) together move along welding direction with main shaft, the rotary speed of needleless soldering set (1) is 100rpm～1000rpm, speed of welding is 50mm/min～1000mm/min, the inclination angle of needleless soldering set (1) is 0.5 °～4 °, shaft shoulder compression distance can surpass banded welding wire thickness 0.1mm～0.2mm, utilize the strong mechanical agitation of the shaft shoulder of needleless soldering set (1) to smash thicker grain structure in the nearly surf zone of pending material (2), crystal grain thinning, and utilize the stirring of the shaft shoulder and forging and pressing effect with banded welding wire (5) built-up welding in pending material (2) surface, the scalelike mark weld seam of formation rule,
Step 3, postwelding cleaning: after wire feed rolls (3), positioning guide wheel (4) and needleless soldering set (1) were together mentioned with the welding machine main shaft, available cutting nippers was cut off welding wire, removed residual a small amount of solder wire material and overlap with wire brush.
2. a kind of banded welding wire is inserted formula agitating friction processing method according to claim 1, it is characterized in that: the needleless soldering set (1) in described step 1, positioning guide wheel (4), banded welding wire (5), wire feed rolls (3) are located along the same line.
3. described a kind of banded welding wire is inserted formula agitating friction processing method according to claim 1 and 2, it is characterized in that: the positioning guide wheel in described step 1 (4) both sides are designed with flange (4-1), and flange (4-1) height should be more than or equal to the thickness of banded welding wire (5).
4. a kind of banded welding wire is inserted formula agitating friction processing method according to claim 3, it is characterized in that: the width d of the banded welding wire (5) in described step 1 is than the little 0.3mm of shaft shoulder diameter D of needleless soldering set (1).
5. a kind of banded welding wire is inserted formula agitating friction processing method according to claim 3, it is characterized in that: the banded welding wire (5) in described step 1 can overlapping placement of multiple layers, and the banded welding wire of multilayer (5) can be same material or foreign material.
6. a kind of banded welding wire is inserted formula agitating friction processing method according to claim 1, it is characterized in that: the rotary speed of the needleless soldering set (1) in described step 2 is that 500rpm, speed of welding are 600mm/min, the inclination angle of needleless soldering set (1) is 2 °, and shaft shoulder compression distance surpasses banded welding wire thickness 0.12mm.
7. a kind of banded welding wire is inserted formula agitating friction processing method according to claim 1, it is characterized in that: the rotary speed of the needleless soldering set (1) in described step 2 is that 800rpm, speed of welding are 200mm/min, the inclination angle of needleless soldering set (1) is 1 °, and shaft shoulder compression distance surpasses banded welding wire thickness 0.14mm.
8. a kind of banded welding wire is inserted formula agitating friction processing method according to claim 1, it is characterized in that: the rotary speed of the needleless soldering set (1) in described step 2 is that 800rpm, speed of welding are 500mm/min, the inclination angle of needleless soldering set (1) is 3 °, and shaft shoulder compression distance surpasses banded welding wire thickness 0.15mm.
9. a kind of banded welding wire is inserted formula agitating friction processing method according to claim 1, it is characterized in that: the rotary speed of the needleless soldering set (1) in described step 2 is that 1000rpm, speed of welding are 300mm/min, the inclination angle of needleless soldering set (1) is 1 °, and shaft shoulder compression distance surpasses banded welding wire thickness 0.16mm.
10. a kind of banded welding wire is inserted formula agitating friction processing method according to claim 1, it is characterized in that: the rotary speed of the needleless soldering set (1) in described step 2 is that 1200rpm, speed of welding are 400mm/min, the inclination angle of needleless soldering set (1) is 4 °, and shaft shoulder compression distance surpasses banded welding wire thickness 0.18mm.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127246A (en) * | 2018-02-13 | 2018-06-08 | 艾美特焊接自动化技术(北京)有限公司 | A kind of cold silk filling agitating friction welding mechanism and welding method |
| CN109202273A (en) * | 2018-03-21 | 2019-01-15 | 中国航空制造技术研究院 | A kind of silk filling agitating friction increasing material manufacturing device and increasing material manufacturing method |
| CN110355461A (en) * | 2019-07-18 | 2019-10-22 | 燕山大学 | A kind of wheel tread prosthetic device based on laser heating stirring friction welding (FW) |
| CN110958926A (en) * | 2018-03-09 | 2020-04-03 | 三菱重工业株式会社 | Laminated molding method and laminated molding apparatus |
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| US3537172A (en) * | 1967-08-21 | 1970-11-03 | Valentin Dmitrievich Voznesens | Method of friction welding |
| CN1733411A (en) * | 2004-08-03 | 2006-02-15 | 株式会社日立制作所 | Friction mixing welding method |
| CN102120287A (en) * | 2010-12-16 | 2011-07-13 | 西安交通大学 | Embedded stirring and rubbing slit welding method |
| CN102319954A (en) * | 2011-08-18 | 2012-01-18 | 西安交通大学 | Large-diameter multi-pass pin-less friction stir processing method for fabricating fiber-reinforced metal matrix composites |
| US20120279441A1 (en) * | 2005-09-26 | 2012-11-08 | Kevin Creehan | System for continuous feeding of filler material for friction stir welding, processing and fabrication |
| CN102941414A (en) * | 2012-12-06 | 2013-02-27 | 哈尔滨工业大学 | Pre-filled wire stirring friction welding method |
| CN103008872A (en) * | 2012-12-18 | 2013-04-03 | 天津大学 | Stirring friction processing remanufacturing method of worn shaft type parts |
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- 2013-04-12 CN CN2013101282072A patent/CN103170726A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3537172A (en) * | 1967-08-21 | 1970-11-03 | Valentin Dmitrievich Voznesens | Method of friction welding |
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| US20120279441A1 (en) * | 2005-09-26 | 2012-11-08 | Kevin Creehan | System for continuous feeding of filler material for friction stir welding, processing and fabrication |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127246A (en) * | 2018-02-13 | 2018-06-08 | 艾美特焊接自动化技术(北京)有限公司 | A kind of cold silk filling agitating friction welding mechanism and welding method |
| CN110958926A (en) * | 2018-03-09 | 2020-04-03 | 三菱重工业株式会社 | Laminated molding method and laminated molding apparatus |
| CN109202273A (en) * | 2018-03-21 | 2019-01-15 | 中国航空制造技术研究院 | A kind of silk filling agitating friction increasing material manufacturing device and increasing material manufacturing method |
| CN109202273B (en) * | 2018-03-21 | 2020-09-25 | 中国航空制造技术研究院 | Wire filling stirring friction additive manufacturing device and additive manufacturing method |
| CN110355461A (en) * | 2019-07-18 | 2019-10-22 | 燕山大学 | A kind of wheel tread prosthetic device based on laser heating stirring friction welding (FW) |
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Application publication date: 20130626 |