CN105728932A - Special friction stir processing tool for manufacturing high-performance marine propeller - Google Patents
Special friction stir processing tool for manufacturing high-performance marine propeller Download PDFInfo
- Publication number
- CN105728932A CN105728932A CN201510819651.8A CN201510819651A CN105728932A CN 105728932 A CN105728932 A CN 105728932A CN 201510819651 A CN201510819651 A CN 201510819651A CN 105728932 A CN105728932 A CN 105728932A
- Authority
- CN
- China
- Prior art keywords
- stirring
- mixing
- shaft shoulder
- needle
- mixing needle
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- 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.)
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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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/1255—Tools therefor, e.g. characterised by the shape of the probe
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/001—Turbines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a special friction stir processing tool for manufacturing a high-performance marine propeller. The processing tool comprises a shaft shoulder, wherein the shaft shoulder is provided with a plurality of stirring needles. The special friction stir processing tool is characterized in that the amount of the stirring needles is six; the stirring needles are arranged at the end portion of the shaft shoulder and extend in the axial direction of the shaft shoulder; the stirring needles are divided into two stirring needle sets which comprise the first stirring needle set and the second stirring needle set; the first stirring needle set and the second stirring needle set are each provided with three stirring needles; the first stirring needle set and the second stirring needle set are distributed in axial symmetry; one end of each stirring needle is inserted into the shaft shoulder while the other end of the corresponding stirring needle extends outside the shaft shoulder; the end portion, extending outside the shaft shoulder, of each stirring needle is provided with a stirring unit; each stirring unit comprises a first stirring part and a second stirring part; each first stirring part is of an arc-shaped structure and the first stirring parts are distributed at the periphery of the corresponding stirring needle; the second stirring parts are distributed at the joints of the first stirring parts; and the first stirring parts and the second stirring parts are connected at intervals in sequence and accordingly a closed hook face is formed. The multiple specially designed stirring needles are provided, effective stirring can be conducted, stirring efficiency is promoted, and the using effect is improved.
Description
Technical field
The present invention relates to a kind of high performance craft propeller and manufacture Special agitating friction machining tool.
Background technology
China becomes the first in the world shipbuilding big country already, to the development of shipbuilding power.Current China shipbuilding gross ton figure place is sure to occupy the first in the world.Along with the arrival in ocean epoch, Shipping industry is in the important stage of the development of great-leap-forward, it is necessary to a large amount of high-performance ships, and the requirement of boats and ships and parts quality thereof is also more and more higher.Therefore, embody also obvious all the more for the importance of the mechanical property of propeller material, anti-Cavitation.Propeller is in Ship Propeling process, constantly produce cavity, propeller surface is produced up to hundreds of MPa to 1000MPa pulse stress by the negative pressure explosion that cavity produces, under the reciprocal action of seawater corrosion, vacuolus denudation and stress corrosion, propeller blade can be greatly shortened and even rupture service life.For a long time, vacuolus denudation, seawater corrosion and stress corrosion are considered as the problem being not easily solved, and a lot of research institutions, from the structural point of propulsion system, start with from structure and solve vacuolus denudation problem, but poor effect always, could not solve the vacuolus denudation problem of propeller.From the sixties in last century, the external material developing the seawater corrosion resistances such as Cr-Ni-Mo system rustless steel, Fe-Mn-Al alloy, ceramic metal, Ti-Ni alloy, anti-vacuolus denudation, but rarely found have the copper alloy as propeller material.There is scholar that metal material surface chromium plating is processed both at home and abroad; find that corrosion resistance is mother metal 7～8 times by polarization curve research; improve 2～6 times service life; built-up welding is carried out at Ni-Al bronze propeller material; laser cladding method forms the anti-cavitation corrosion coating protection of copper alloy propeller material, but weigh hundreds of kilogram even the propeller application of tens tons are restricted and restriction by a lot of technique with method.According to relevant Literature Consult, from the eighties in last century, abroad propeller material surface spraying, surface modification work have been carried out research in greater detail by more domestic scholars, it is thus achieved that useful result of the test, but entity spiral oar are not carried out applied research.But these researchs are all compared early, fail to well solve the surface property problem of propeller.
Agitating friction welding be utilize workpiece end face mutually to move, the produced heat of phase mutual friction, make end reach hot plastic state, then upset rapidly, complete a kind of method of welding.Machining tool design is the core of Friction welding technique, and selecting suitable machining tool is the key realizing high quality welds.The essence of agitating friction weldering is stirring between pin and materials to be welded heat-machine effect occurs and forms joint, and mixing needle directly bears heat load, power load and fretting wear in the process.Mixing yoghurt instrument of the prior art includes the shaft shoulder and mixing needle, and described mixing needle is arranged on described shaft shoulder one end, and the mixing yoghurt instrument of this structure is independent due to mixing needle, easily wear and tear during use, and owing to contact area is limited, therefore, working (machining) efficiency is relatively low.
Summary of the invention
The technical problem to be solved is to provide a kind of high performance craft propeller to manufacture Special agitating friction machining tool for above drawback, by the mixing needle of many particular design, can effectively stir, promote stirring efficiency, improve result of use.
For solving above-mentioned technical problem, the technical scheme is that
A kind of high performance craft propeller manufactures Special agitating friction machining tool, including the shaft shoulder, the described shaft shoulder is provided with multiple mixing needle, it is characterised in that described mixing needle quantity is six, axially extending along the shaft shoulder in the end of the described shaft shoulder, described mixing needle is divided into two mixing needle groups, and including the first mixing needle group and the second mixing needle group, described first, second mixing needle group is respectively arranged with three described mixing needles, described the first, the second mixing needle group is distributed axisymmetricly；One end of described mixing needle is inserted in the described shaft shoulder, the other end extends in outside the described shaft shoulder, described mixing needle extends in the end outside the shaft shoulder and is provided with mixing part, and described mixing part includes the first mixing part and the second mixing part, and described first mixing part quantity is four, in arc-shaped structure, being distributed in described mixing needle Western Zhou Dynasty, described second mixing part quantity is four, is distributed in described first junction, mixing part, described first mixing part and interval successively, the second mixing part are connected, and form the curved surface of Guan Bi.
Above-mentioned a kind of high performance craft propeller manufactures Special agitating friction machining tool, and wherein, described first mixing needle group and the second mixing needle group, often in group, adjacent mixing needle angle is 45 degree.
Compared to prior art, the invention have the benefit that
Adopt two groups of mixing needle groups, increase the number of mixing needle, the contact area with softener material can be increased substantially, improve stirring efficiency, and mixing needle group takes the mode of symmetry to be distributed, it may be achieved uniform stirring, improve mixing effect.
Design by the geometry of stirring-head; the softener material below shaft shoulder end is made to be subject to the effect of power of inward direction; thus being conducive to the center that softener material formed below for shaft shoulder end is collected shaft shoulder end face to fill, to add, the cavity that mixing needle rear is formed; simultaneously need reduce friction the course of processing in stirring-head within stress concentration and protect mixing needle; thus, extend the service life of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is that the X of the present invention is to schematic diagram.
Fig. 3 is the structural representation of the mixing needle of the present invention.
Detailed description of the invention
Below in conjunction with concrete accompanying drawing, the invention will be further described.
In order to solve above-mentioned technical problem, a kind of high performance craft propeller manufactures Special agitating friction machining tool, including the shaft shoulder 1, the described shaft shoulder 1 is provided with multiple mixing needle 2, it is characterized in that, described mixing needle 2 quantity is six, axially extending along the shaft shoulder 1 in the end of the described shaft shoulder 1, described mixing needle 2 is divided into two mixing needle groups 3,4, including the first mixing needle group 3 and the second mixing needle group 4, described first, second mixing needle group 3,4 is respectively arranged with three described stirrings 2, and described the first, the second mixing needle group 3,4 is distributed axisymmetricly；One end of described mixing needle 2 is inserted in the described shaft shoulder 1, the other end extends in outside the described shaft shoulder 1, described mixing needle 2 extends in the end outside the shaft shoulder 1 and is provided with mixing part 21,22, described mixing part 21,22 includes the first mixing part 21 and the second mixing part 22, described first mixing part 21 quantity is four, in arc-shaped structure, it is distributed in described mixing needle 2 Western Zhou Dynasty, described second mixing part 22 quantity is four, it is distributed in described first junction, mixing part 21, described first mixing part 21 and the second interval successively, mixing part 22 are connected, and form the curved surface of Guan Bi.Described first mixing needle group 3 and the second mixing needle group 4, often in group, adjacent mixing needle 2 angle is 45 degree.
Compared to prior art, the invention have the benefit that
Adopt two groups of mixing needle groups, increase the number of mixing needle, the contact area with softener material can be increased substantially, improve stirring efficiency, and mixing needle group takes the mode of symmetry to be distributed, it may be achieved uniform stirring, improve mixing effect.
Design by the geometry of stirring-head; the softener material below shaft shoulder end is made to be subject to the effect of power of inward direction; thus being conducive to the center that softener material formed below for shaft shoulder end is collected shaft shoulder end face to fill, to add, the cavity that mixing needle rear is formed; simultaneously need reduce friction the course of processing in stirring-head within stress concentration and protect mixing needle; thus, extend the service life of the present invention.
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should be encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (2)
1. a high performance craft propeller manufactures Special agitating friction machining tool, including the shaft shoulder, the described shaft shoulder is provided with multiple mixing needle, it is characterised in that described mixing needle quantity is six, axially extending along the shaft shoulder in the end of the described shaft shoulder, described mixing needle is divided into two mixing needle groups, and including the first mixing needle group and the second mixing needle group, described first, second mixing needle group is respectively arranged with three described mixing needles, described the first, the second mixing needle group is distributed axisymmetricly；One end of described mixing needle is inserted in the described shaft shoulder, the other end extends in outside the described shaft shoulder, described mixing needle extends in the end outside the shaft shoulder and is provided with mixing part, and described mixing part includes the first mixing part and the second mixing part, and described first mixing part quantity is four, in arc-shaped structure, being distributed in described mixing needle Western Zhou Dynasty, described second mixing part quantity is four, is distributed in described first junction, mixing part, described first mixing part and interval successively, the second mixing part are connected, and form the curved surface of Guan Bi.
2. a kind of high performance craft as claimed in claim 1 propeller manufactures Special agitating friction machining tool, it is characterised in that described first mixing needle group and the second mixing needle group, often in group, adjacent mixing needle angle is 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510819651.8A CN105728932A (en) | 2015-11-24 | 2015-11-24 | Special friction stir processing tool for manufacturing high-performance marine propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510819651.8A CN105728932A (en) | 2015-11-24 | 2015-11-24 | Special friction stir processing tool for manufacturing high-performance marine propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105728932A true CN105728932A (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510819651.8A Pending CN105728932A (en) | 2015-11-24 | 2015-11-24 | Special friction stir processing tool for manufacturing high-performance marine propeller |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340515A (en) * | 2019-06-14 | 2019-10-18 | 西安交通大学 | A kind of method and device of the weldering of multiple spot agitating friction and the soldering of multiple spot agitating friction |
| CN115740727A (en) * | 2022-11-30 | 2023-03-07 | 哈尔滨工业大学 | Friction stir welding device and fillet weld welding method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007175764A (en) * | 2005-11-29 | 2007-07-12 | Kyocera Corp | Friction stir joining tool and joining method using it |
| US20070241163A1 (en) * | 2006-04-17 | 2007-10-18 | Valant Michael E | Apparatus And Method For Friction Stir Spot Welding |
| JP2009131891A (en) * | 2007-11-30 | 2009-06-18 | Hitachi Ltd | Friction stir spot welding tool and friction stir spot welding method using the same |
| CN204725002U (en) * | 2015-06-12 | 2015-10-28 | 镇江同舟螺旋桨有限公司 | A kind of mixing yoghurt instrument of marine propeller |
| CN205147579U (en) * | 2015-11-24 | 2016-04-13 | 镇江同舟螺旋桨有限公司 | Special friction stir machining tool is made to screw for high performance craft |
-
2015
- 2015-11-24 CN CN201510819651.8A patent/CN105728932A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007175764A (en) * | 2005-11-29 | 2007-07-12 | Kyocera Corp | Friction stir joining tool and joining method using it |
| US20070241163A1 (en) * | 2006-04-17 | 2007-10-18 | Valant Michael E | Apparatus And Method For Friction Stir Spot Welding |
| JP2009131891A (en) * | 2007-11-30 | 2009-06-18 | Hitachi Ltd | Friction stir spot welding tool and friction stir spot welding method using the same |
| CN204725002U (en) * | 2015-06-12 | 2015-10-28 | 镇江同舟螺旋桨有限公司 | A kind of mixing yoghurt instrument of marine propeller |
| CN205147579U (en) * | 2015-11-24 | 2016-04-13 | 镇江同舟螺旋桨有限公司 | Special friction stir machining tool is made to screw for high performance craft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340515A (en) * | 2019-06-14 | 2019-10-18 | 西安交通大学 | A kind of method and device of the weldering of multiple spot agitating friction and the soldering of multiple spot agitating friction |
| CN115740727A (en) * | 2022-11-30 | 2023-03-07 | 哈尔滨工业大学 | Friction stir welding device and fillet weld welding method |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160706 |