CN101210277A - Surface stirring friction processing method and special-purpose processing tool for the same - Google Patents
Surface stirring friction processing method and special-purpose processing tool for the same Download PDFInfo
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- CN101210277A CN101210277A CNA2006101351481A CN200610135148A CN101210277A CN 101210277 A CN101210277 A CN 101210277A CN A2006101351481 A CNA2006101351481 A CN A2006101351481A CN 200610135148 A CN200610135148 A CN 200610135148A CN 101210277 A CN101210277 A CN 101210277A
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- 238000003756 stirring Methods 0.000 title claims abstract description 25
- 238000012545 processing Methods 0.000 title abstract description 17
- 238000003672 processing method Methods 0.000 title abstract 2
- 238000013461 design Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 13
- 238000003754 machining Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 abstract description 20
- 239000002131 composite material Substances 0.000 abstract description 7
- 238000012986 modification Methods 0.000 abstract description 4
- 230000004048 modification Effects 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract description 4
- 239000002344 surface layer Substances 0.000 abstract 1
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000007669 thermal treatment Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 244000098345 Triticum durum Species 0.000 description 2
- 235000007264 Triticum durum Nutrition 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
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Abstract
A surface friction stir processing method is characterized in that a special friction processing tool with a rotation speed of 200 to 800 rpm and a transverse movement speed of 20 to 50 mm/min is adopted. The tool obviates the need of stirring pin in conventional friction stir welding/processing tool and only keeps the shaft shoulder design. The processing tool provided by the invention only causes material deformation of the surface layer of a workpiece within a 0.1 to 1 mm range during friction stir processing, so that the friction stir processing tool is suitable for the fields of microstructure modification of surface material, surface composition material preparation, etc.
Description
Technical field:
The present invention relates to metallic substance, the design of a kind of surface stirring friction method and specialized tool is provided especially.
Background technology:
Friction Stir is a kind of new solid-state welding process in Britain's institute of welding invention in 1991, and its principle of work is very simple.The pistol high speed rotating of an on-consumable of being made up of the mixing needle and the shaft shoulder is inserted into mixing needle to desire between the web plate, when the shaft shoulder with after workpiece surface contacts, mixing needle is done transverse movement simultaneously along seam.Violent friction between pistol and workpiece causes the welding zone temperature obviously to raise, and causes the material plasticizing.The effect of mixing needle is the material that stirs the weld metal zone, makes it produce plastic flow and mixing, and the effect of the shaft shoulder is that the material that is stirred distortion by mixing needle is applied the forging effect, thereby forms closely knit flawless weld seam.
Ultimate principle based on friction Stir, Missouri, USA university in 1999 develops into a kind of new material microstructure modification technology-agitating friction processing to friction Stir, and the violent viscous deformation of material, mixing and the temperature rise that promptly utilizes pistol and caused realizes closeization, refinement and the homogenizing of block materials.
To common friction Stir/processing, the thickness of welding/processing district depends on the length of stirring-head, and according to the thickness of workpiece, the length of stirring-head does not wait to tens millimeters from several millimeters.Yet use for some engineerings, requirement mainly be the surface property of workpiece, only need in this case carry out processing modified getting final product to the surface of workpiece.Obviously, it is processing modified that the instrument that contains the mixing needle design that common friction Stir/processing is used is not suitable for surface stirring friction.
Summary of the invention:
The object of the present invention is to provide a kind of surface stirring friction working method and special tool, add the material deformation that only causes man-hour in the workpiece surface 0.1-1mm scope.
The invention provides a kind of surface stirring friction working method, it is characterized in that: adopt special-purpose friction machining tool, 200～800 rev/mins of instrument velocities of rotation, horizontal travelling speed 20～50 mm/min.
The present invention also provides the instrument that is exclusively used in above-mentioned surface stirring friction processing, and it is characterized in that: this instrument is cancelled the mixing needle in traditional friction Stir/machining tool, only keeps shaft shoulder design.
Add the material deformation that only causes man-hour in the workpiece surface 0.1-1mm scope.
Surface stirring friction working method of the present invention adds the material deformation that only causes man-hour in the workpiece surface 0.1-1mm scope.
Description of drawings:
Fig. 1 is the structural representation of turbine oblique crank Z shoulder;
Fig. 2 is the structural representation of the honeycombed shaft shoulder;
Fig. 3 is eight diagram-shaped shaft shoulder structural representation;
Fig. 4 is the structural representation of the scroll shaft shoulder;
Fig. 5 is the structural representation of concentric oblique crank Z shoulder;
Fig. 6 is the structural representation of spoke oblique crank Z shoulder;
The sectional side view of Fig. 7, spoke oblique crank Z shoulder;
The sectional side view of Fig. 8, concentric oblique crank Z shoulder.
Embodiment:
The present invention has designed a kind of new surface stirring friction machining tool, this instrument is cancelled the mixing needle in traditional friction Stir/machining tool, only keep shaft shoulder design, the geometrical shape of the shaft shoulder from common hard wheat cake shape to the special form that contains various structure details, Fig. 1～6 have provided several shaft shoulder designs that contain structure detail, and Fig. 7～8 are the sectional side view of spoke shape and concentric oblique crank Z shoulder.Such machining tool adds the material deformation that only causes man-hour in the workpiece surface 0.1-1mm scope at agitating friction, thereby this instrument design is applicable to fields such as skin-material microtexture remodeling and composite surface material preparation.
Embodiment 1
The instrument shaft shoulder is common hard wheat cake oblique crank Z shoulder design, and diameter is 24mm, and it is 2mm highly that shaft shoulder middle part is contained, and diameter is the cylindricality platform of 10mm.Adopt cobalt base alloy as tool material, adopt conventional machining and thermal treatment process to process and go out improved agitating friction machining tool with process for producing.Adopt this instrument to carry out the aluminum alloy surface Composite Preparation, under the processing condition of 400 rev/mins of instrument velocities of rotation, horizontal travelling speed 30 mm/min, can obtain 100 microns of thickness, successive surface carborundum particle-reinforced aluminum composite layer, the composite surface material layer combines well with aluminium sheet.
Comparative example 1
The shaft shoulder of employing same design is furnished with the mixing needle of diameter 8mm, length 6mm.Adopt cobalt base alloy as tool material, adopt conventional machining and thermal treatment process to process and handle.Adopt this instrument to carry out the aluminum alloy surface Composite Preparation, under identical processing condition, partially carbonized silicon grain is sneaked in the block below the 1mm degree of depth, and the composite surface material layer is discontinuous, and is in uneven thickness, also not tight with combining of aluminium sheet.
Embodiment 2
The instrument shaft shoulder is the design of spoke shape, and diameter is 12mm.Adopt rapid steel as tool material, carrying out the aluminum alloy surface modification after adopting conventional machining and thermal treatment process to process and handle handles, under the processing condition of 600 rev/mins of instrument velocities of rotation, horizontal travelling speed 25 mm/min, can obtain the ultra-fine brilliant upper layer of 500 microns of thickness.
Comparative example 2
The shaft shoulder of employing same design is furnished with the mixing needle of diameter 4mm, length 4mm.Adopt rapid steel as tool material, carry out the aluminum alloy surface modification after adopting conventional machining and thermal treatment process to process and handle to handle, under identical processing condition, can only obtain the about 4mm of thickness, grain-size is micron-sized machined layer.
Claims (2)
1. a surface stirring friction working method is characterized in that: adopt special-purpose friction machining tool, 200～800 rev/mins of instrument velocities of rotation, horizontal travelling speed 20～50 mm/min.
2. instrument that is exclusively used in the described surface stirring friction working method of claim 1, it is characterized in that: this instrument is cancelled the mixing needle in traditional friction Stir/machining tool, only keeps shaft shoulder design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101351481A CN101210277A (en) | 2006-12-28 | 2006-12-28 | Surface stirring friction processing method and special-purpose processing tool for the same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101351481A CN101210277A (en) | 2006-12-28 | 2006-12-28 | Surface stirring friction processing method and special-purpose processing tool for the same |
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| Publication Number | Publication Date |
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| CN101210277A true CN101210277A (en) | 2008-07-02 |
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| CNA2006101351481A Pending CN101210277A (en) | 2006-12-28 | 2006-12-28 | Surface stirring friction processing method and special-purpose processing tool for the same |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660032B (en) * | 2009-09-07 | 2011-04-13 | 重庆大学 | Method for processing surface of melting welding head |
| CN102626822A (en) * | 2012-03-29 | 2012-08-08 | 哈尔滨工业大学 | Hollow variable-diameter porous friction head and preparation method for surface composite material of metal material |
| CN102632334A (en) * | 2012-03-29 | 2012-08-15 | 哈尔滨工业大学 | Hollow feeding friction head and preparation method of surface composite material of metal material |
| CN102848069A (en) * | 2011-10-17 | 2013-01-02 | 南通天华和睿科技创业有限公司 | Stirring pin for surface stirring and rubbing |
| CN102905838A (en) * | 2010-03-24 | 2013-01-30 | 公立大学法人大阪府立大学 | Friction processing tool, and method and apparatus for friction processing using same |
| CN102990221A (en) * | 2012-12-04 | 2013-03-27 | 中国科学院金属研究所 | Embedded metal material connecting method with sealing effect |
| CN103071917A (en) * | 2013-02-07 | 2013-05-01 | 沈阳航空航天大学 | Ultrasonic-assisted semisolid stirring friction processing process under controlled cooling environment |
| CN108436247B (en) * | 2018-04-17 | 2020-11-20 | 黄山学院 | Stirring head for friction stir surface processing modification of metal with high hardness |
| CN112207417A (en) * | 2020-09-25 | 2021-01-12 | 西安交通大学 | Efficient needleless friction stir welding perfusion packaging process for porous microchannel aluminum heat pipe material saving |
-
2006
- 2006-12-28 CN CNA2006101351481A patent/CN101210277A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660032B (en) * | 2009-09-07 | 2011-04-13 | 重庆大学 | Method for processing surface of melting welding head |
| CN102905838A (en) * | 2010-03-24 | 2013-01-30 | 公立大学法人大阪府立大学 | Friction processing tool, and method and apparatus for friction processing using same |
| US20140144972A1 (en) * | 2010-03-24 | 2014-05-29 | Osaka Prefecture University Public Corporation | Friction processing tool, and friction processing apparatus and friction processing method using the same |
| CN102848069A (en) * | 2011-10-17 | 2013-01-02 | 南通天华和睿科技创业有限公司 | Stirring pin for surface stirring and rubbing |
| CN102626822A (en) * | 2012-03-29 | 2012-08-08 | 哈尔滨工业大学 | Hollow variable-diameter porous friction head and preparation method for surface composite material of metal material |
| CN102632334A (en) * | 2012-03-29 | 2012-08-15 | 哈尔滨工业大学 | Hollow feeding friction head and preparation method of surface composite material of metal material |
| CN102626822B (en) * | 2012-03-29 | 2014-08-06 | 哈尔滨工业大学 | Hollow variable-diameter porous friction head and preparation method for surface composite material of metal material |
| CN102990221A (en) * | 2012-12-04 | 2013-03-27 | 中国科学院金属研究所 | Embedded metal material connecting method with sealing effect |
| CN103071917A (en) * | 2013-02-07 | 2013-05-01 | 沈阳航空航天大学 | Ultrasonic-assisted semisolid stirring friction processing process under controlled cooling environment |
| CN108436247B (en) * | 2018-04-17 | 2020-11-20 | 黄山学院 | Stirring head for friction stir surface processing modification of metal with high hardness |
| CN112207417A (en) * | 2020-09-25 | 2021-01-12 | 西安交通大学 | Efficient needleless friction stir welding perfusion packaging process for porous microchannel aluminum heat pipe material saving |
| CN112207417B (en) * | 2020-09-25 | 2021-12-28 | 西安交通大学 | Efficient needleless friction stir welding perfusion packaging process for porous microchannel aluminum heat pipe material saving |
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Open date: 20080702 |