CN104889562B - The mixing yoghurt method of marine propeller - Google Patents

The mixing yoghurt method of marine propeller Download PDF

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Publication number
CN104889562B
CN104889562B CN201510322031.3A CN201510322031A CN104889562B CN 104889562 B CN104889562 B CN 104889562B CN 201510322031 A CN201510322031 A CN 201510322031A CN 104889562 B CN104889562 B CN 104889562B
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CN
China
Prior art keywords
leaf
paddle
propeller
blade
polishing
Prior art date
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.)
Expired - Fee Related
Application number
CN201510322031.3A
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Chinese (zh)
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CN104889562A (en
Inventor
徐高峰
陈志国
梅斌贤
宋佩学
王湘来
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ZHENJIANG TONGZHOU PROPELLER CO Ltd
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ZHENJIANG TONGZHOU PROPELLER CO Ltd
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Priority to CN201510322031.3A priority Critical patent/CN104889562B/en
Publication of CN104889562A publication Critical patent/CN104889562A/en
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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
    • 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
    • B23K20/24—Preliminary treatment
    • 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
    • B23K20/26—Auxiliary equipment
    • 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
    • B23K20/127—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 friction stir welding involving a mechanical connection
    • 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
    • B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/12—Copper or alloys thereof

Abstract

A kind of mixing yoghurt method of marine propeller disclosed by the invention, comprises the following steps：First go out the shape of blade according to Design of Propeller from nickel-aluminum bronze material；Blade is polished again, polished；The paddle and leaf after polishing, polishing are covered into clamping and positioning again, and linked into an integrated entity by stirring friction-welding technique, the present invention in stir friction welding process to blade and leaf set by heating, and pass through cool water shower, it is improved the mobility and plastic deformation ability of Cu alloy material, material microstructure refined, homogenized and be densified, so as to substantially increase the performance of marine propeller, propeller case hardness is lifted 20%；Material yield performance boost 50%；Tensile strength lifting 20%；Material elongation percentage lifting 30%.

Description

The mixing yoghurt method of marine propeller
Technical field
The present invention relates to a kind of mixing yoghurt method, more particularly to a kind of mixing yoghurt side of marine propeller Method, belongs to the technical field of marine propeller processing.
Background technology
China turns into the first in the world shipbuilding big country already, is making the country prosperous and is developing to shipbuilding.Current China shipbuilding gross ton digit It is sure to occupy the first in the world.With the arrival in ocean epoch, Shipping industry be in the important stage of the development of great-leap-forward, it is necessary to A large amount of high-performance ships, and requirement to ship and its parts quality also more and more higher.Therefore, for the power of propeller material Learn performance, the importance of anti-Cavitation and embody also obvious all the more.Propeller constantly produces vacuole during Ship Propeling, The negative pressure explosion that vacuole is produced is produced to propeller surface is up to hundreds of MPa to 1000MPa pulse stress, in seawater corrosion, sky Bubble is degraded under the reciprocation with stress corrosion, and propeller blade can greatly shorten service life or even be broken.It is long-term with Come, vacuolus denudation, seawater corrosion and stress corrosion is considered as the problem of being difficult to be solved, many research institutions are from propulsion system Structural point set out, starting with from structure solves the problems, such as vacuolus denudation, but effect is not good always, could not solve the vacuole of propeller Degrade problem.From the sixties in last century, foreign countries develop Cr-Ni-Mo systems stainless steel, Fe-Mn-Al alloys, cermet, The material of the seawater corrosion resistances such as Ti-Ni alloys, anti-vacuolus denudation, but rarely found have the copper alloy as propeller material.It is domestic It is outer to have scholar to metal material surface chromium plating process, find that corrosion resistance is 7~8 times of mother metal by polarization curve research, use Life-span improves 2~6 times, and built-up welding, laser cladding method formation copper alloy propeller material are carried out in the bronze propeller materials of Ni-Al The protection of anti-cavitation corrosion coating, but many technique and method be restricted to hundreds of kilograms or even tens tons of the propeller application of weighing With limitation.According to relevant Literature Consult, from last century the eighties, external some scholars of the country are sprayed to propeller material surface Apply, surface is modified work and has carried out more detailed research, obtains beneficial result of the test, but entity spiral oar is not answered With research.But these researchs are all relatively more early, fail to solve the problems, such as the surface property of propeller well.
Manufactured more than marine propeller of the prior art by the way of casting, because blade thickness is change so that Casting technique is stricter, and this paddle is also easier fracture in use, if using the cast of stainless steel, Its technological requirement is higher.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of mixing yoghurt method of marine propeller, the processing Method is easy to operate, and the processing method makes machined material occur violent plasticity change by the strong agitation effect of stirring-head It is shape, mixing, broken, realize the densification of microstructure, homogenization and refine, marine propeller quality is significantly improved, Propeller case hardness lifting 20%；Material yield performance boost 50%；Tensile strength lifting 20%；Material elongation percentage is lifted 30%。
In order to solve the above-mentioned technical problem, the mixing yoghurt method of a kind of marine propeller of the invention, including as follows Step：
A. the shape of blade is gone out according to Design of Propeller from nickel-aluminum bronze material；
B. blade is polished, polished；
C. the paddle and leaf after polishing, polishing are covered into clamping and positioning, and one is connected into by stirring friction-welding technique Body.
The mixing yoghurt method of above-mentioned marine propeller, wherein, when agitating friction is welded in step D, stirring-head Rotating speed be 1100-1220rpm.
The mixing yoghurt method of above-mentioned marine propeller, wherein, it is right when agitating friction is welded in the step D Paddle and leaf set are heated, and heating-up temperature is 240-640 DEG C, and keeps the temperature to terminate to welding；Meanwhile, to paddle and leaf The cooling water that weld spray temperature is -5 DEG C is covered, and ultrasonic wave is sent to paddle and leaf set, the power of ultrasonic wave is 4000W, 50Khz.
Beneficial effects of the present invention：
The present invention passes to ultrasonic wave, and pass through by being heated in stir friction welding process to blade and leaf set Cool water shower, is improved the mobility and plastic deformation ability of Cu alloy material, refined material microstructure, Homogenization and densification, so as to substantially increase the performance of marine propeller, make propeller case hardness lift 20%；Material is bent Take performance boost 50%；Tensile strength lifting 20%；Material elongation percentage lifting 30%.
Advantage mainly may be summarized to be it is following some：
(1) solid-state is connected：Without thick solidified structure and melting welding defect, it is possible to achieve with specific microstructure material Welding；
(2) heat input is small：Thermal deformation and residual stress are small, it is possible to achieve the precision welding of large-scale frame structure；
(3) manufacturing cost is low：Without bevel and special cleaning before weldering, without metal packing, protective gas or solder flux, Energy expenditure is than fusion welding reduction by 80%；
(4) weld seam apparent mass is good：Postwelding workpiece surface is smooth, is dripped without obvious weld flush and weldering, without sequent surface Processing；
(5) mechanical property is good：The performances such as fatigue, fracture and bending are substantially better than fusion welding, and joint mechanical property it is each to The same sex.
Brief description of the drawings
Fig. 1 is performance contrast table in the present invention.
Embodiment
With reference to specific embodiment, the invention will be further described.
Embodiment 1
A kind of mixing yoghurt method of marine propeller, comprises the following steps：
A. the shape that blade and leaf cover is gone out according to Design of Propeller from nickel-aluminum bronze material；
B. blade and leaf set are polished, polished；
C. the paddle and leaf after polishing, polishing are covered into clamping and positioning, and one is connected into by stirring friction-welding technique Body, when agitating friction is welded, the rotating speed of stirring-head is 1220rpm；When agitating friction is welded, paddle and leaf set are heated, Heating-up temperature is 640 DEG C, and keeps the temperature to process finishing；Meanwhile, it is -5 DEG C to paddle and leaf set weld spray temperature Cooling water, and ultrasonic wave is sent to paddle and leaf set, the power of ultrasonic wave is 4000W, 50Khz.
Embodiment 2
A kind of mixing yoghurt method of marine propeller, comprises the following steps：
A. the shape that blade and leaf cover is gone out according to Design of Propeller from nickel-aluminum bronze material；
B. blade and leaf set are polished, polished；
C. the paddle and leaf after polishing, polishing are covered into clamping and positioning, and one is connected into by stirring friction-welding technique Body, when agitating friction is welded, the rotating speed of stirring-head is 1100rpm；When agitating friction is welded, paddle and leaf set are heated, Heating-up temperature is 560 DEG C, and keeps the temperature to process finishing；Meanwhile, it is -5 DEG C to paddle and leaf set weld spray temperature Cooling water, and ultrasonic wave is sent to paddle and leaf set, the power of ultrasonic wave is 4000W, 50Khz.
Embodiment 3
A kind of mixing yoghurt method of marine propeller, comprises the following steps：
A. the shape that blade and leaf cover is gone out according to Design of Propeller from nickel-aluminum bronze material；
B. blade and leaf set are polished, polished；
C. the paddle and leaf after polishing, polishing are covered into clamping and positioning, and one is connected into by stirring friction-welding technique Body, when agitating friction is welded, the rotating speed of stirring-head is 1180rpm；When agitating friction is welded, paddle and leaf set are heated, Heating-up temperature is 260 DEG C, and keeps the temperature to process finishing；Meanwhile, it is -5 DEG C to paddle and leaf set weld spray temperature Cooling water, and ultrasonic wave is sent to paddle and leaf set, the power of ultrasonic wave is 4000W, 50Khz.
In summary, the process technology makes machined material occur violent plasticity change by the strong agitation effect of stirring-head It is shape, mixing, broken, realize the densification of microstructure, homogenization and refine.Propeller material case hardness is set to lift 20%；Material Expect yield behavior lifting 50%；Tensile strength lifting 20%；Material elongation percentage lifting 30%；Part has not been repaired only effectively The casting flaws such as shrinkage porosite, shrinkage cavity, have also refined microstructure, significantly improve the mechanical property and corrosion resistance of propeller.
Those of ordinary skill in the art is it should be appreciated that the embodiment of the above is intended merely to the explanation present invention's Purpose, and limitation of the invention is not used as, as long as in the essential scope of the present invention, the change to embodiment described above Change, modification will all fall in the range of the claim of the present invention.

Claims (3)

1. a kind of mixing yoghurt method of marine propeller, it is characterised in that comprise the following steps：
A. the shape that blade and leaf cover is gone out according to Design of Propeller from nickel-aluminum bronze material；
B. blade and leaf set are polished, polished；
C. the paddle and leaf after polishing, polishing are covered into clamping and positioning, and linked into an integrated entity by stirring friction-welding technique, When agitating friction is welded, the rotating speed of stirring-head is 1220rpm；When agitating friction is welded, paddle and leaf set are heated, Heating-up temperature is 640 DEG C, and keeps the temperature to process finishing；Meanwhile, be to paddle and leaf set weld spray temperature- 5 DEG C of cooling water, and ultrasonic wave is sent to paddle and leaf set, the power of ultrasonic wave is 4 000W, 5 0Khz.
2. a kind of mixing yoghurt method of marine propeller, it is characterised in that comprise the following steps：
A. the shape that blade and leaf cover is gone out according to Design of Propeller from nickel-aluminum bronze material；
B. blade and leaf set are polished, polished；
C. the paddle and leaf after polishing, polishing are covered into clamping and positioning, and linked into an integrated entity by stirring friction-welding technique, When agitating friction is welded, the rotating speed of stirring-head is 1100rpm；When agitating friction is welded, paddle and leaf set are heated, Heating-up temperature is 560 DEG C, and keeps the temperature to process finishing；Meanwhile, be to paddle and leaf set weld spray temperature- 5 DEG C of cooling water, and ultrasonic wave is sent to paddle and leaf set, the power of ultrasonic wave is 4 000W, 5 0Khz.
3. a kind of mixing yoghurt method of marine propeller, it is characterised in that comprise the following steps：
A. the shape that blade and leaf cover is gone out according to Design of Propeller from nickel-aluminum bronze material；
B. blade and leaf set are polished, polished；
C. the paddle and leaf after polishing, polishing are covered into clamping and positioning, and linked into an integrated entity by stirring friction-welding technique, When agitating friction is welded, the rotating speed of stirring-head is 1180rpm；When agitating friction is welded, paddle and leaf set are heated, Heating-up temperature is 260 DEG C, and keeps the temperature to process finishing；Meanwhile, be to paddle and leaf set weld spray temperature- 5 DEG C of cooling water, and ultrasonic wave is sent to paddle and leaf set, the power of ultrasonic wave is 4 000W, 5 0Khz.
CN201510322031.3A 2015-06-12 2015-06-12 The mixing yoghurt method of marine propeller Expired - Fee Related CN104889562B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111468817A (en) * 2020-04-15 2020-07-31 河海大学常州校区 Preparation method of high-manganese aluminum bronze surface friction stir processing modified layer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1180918C (en) * 2001-04-17 2004-12-22 联合工艺公司 Method for making and repairing wing surface of integral propeller rotator
CN1785574A (en) * 2005-12-19 2006-06-14 西北工业大学 Repairing method of solid impeller disc
CN1876315A (en) * 2006-06-05 2006-12-13 江创葵 Welding type propeller blade processing method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5984692A (en) * 1982-11-06 1984-05-16 Kobe Steel Ltd Propeller reinforcing method
JPH09122936A (en) * 1995-11-06 1997-05-13 Hitachi Metals Ltd Propeller shaft

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1180918C (en) * 2001-04-17 2004-12-22 联合工艺公司 Method for making and repairing wing surface of integral propeller rotator
CN1785574A (en) * 2005-12-19 2006-06-14 西北工业大学 Repairing method of solid impeller disc
CN1876315A (en) * 2006-06-05 2006-12-13 江创葵 Welding type propeller blade processing method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
镍铝青铜的表面处理技术及研究进展;罗芹等;《材料导报》;20150110(第1期);第1.1、2.1节 *

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