CN105779756B - Angle of spot hole enhanced processing method - Google Patents
Angle of spot hole enhanced processing method Download PDFInfo
- Publication number
- CN105779756B CN105779756B CN201610290905.6A CN201610290905A CN105779756B CN 105779756 B CN105779756 B CN 105779756B CN 201610290905 A CN201610290905 A CN 201610290905A CN 105779756 B CN105779756 B CN 105779756B
- Authority
- CN
- China
- Prior art keywords
- angle
- hole
- impact extrusion
- spot hole
- spot
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
Abstract
The present invention relates to angle of spot hole process fields, in particular to a kind of angle of spot hole enhanced processing method.This method is to carry out supersonic frequency impact extrusion processing using hole corner edge of the angle of spot hole ultrasound impact extrusion intensifying device to hole processed, and making angle of spot hole, nearby material generates plastic deformation.Angle of spot hole enhanced processing method provided by the invention, supersonic frequency impact extrusion processing is carried out using hole corner edge of the angle of spot hole ultrasound impact extrusion intensifying device to hole processed, making angle of spot hole, nearby material generates plastic deformation, make the effect of the angle of spot hole crystal grain refinement of material generation nearby, residual compressive stress is formed after unloading, to greatly improve the anti-fatigue performance in hole, anti-stress corrosion performance and wearability.
Description
Technical field
The present invention relates to angle of spot hole process fields, in particular to a kind of angle of spot hole enhanced processing method.
Background technique
It is usually machined with various connecting holes or fabrication hole (hereinafter referred to as pore structure) in mechanical structure and part, is broadly divided into
3 classes such as pore structure, structure stop hole and structure aperture are connected, the stress of pore structure component Chang Yinkong is concentrated and causes fatigue broken
Bad, related investigation shows that in the fatigue failure of aircraft structure, there are about 70% fatigue cracks to be derived from pore structure.Therefore, hole
Tired weak link as pore structure component.And the fatigue rupture of pore structure component is often derived from angle of spot hole or hole edge.
For the FATIGUE FRACTURE PROBLEMS for solving pore structure, currently used technical measures have: the processing of ball pressure, aperture end face
The reinforcement process such as coining, cold extrusion reaming.One common feature of above several techniques is that the plastic deformation of angle of spot hole material is logical
Quasi-static pressure load is crossed to realize.Wherein, the processing of ball pressure and the generated amount of plastic deformation of orifice end face pressure print are lower, because
The anti-fatigue performance improvement result of this device to hole is limited.
In cold extrusion chambering process, squeezes plug and be forced through in the form of interference along the axis direction of initial apertures, made
Hole wall generates elastic-plastic deformation and residual compressive stress.The technique requires the surface smoothness of initial apertures high, and extrusion process, which will have, fills
The lubrication divided, otherwise easily causes hole wall surface to damage, is suitable for the cold holes expansion of low magnitude of interference.But it is a large amount of to study and answer
With showing after cold extrusion expanding treatment, fatigue crack source concentrates germinating in the ingate Angle Position of extruded hole.
Summary of the invention
The purpose of the present invention is to provide angle of spot hole enhanced processing methods, to solve the technical problems existing in the prior art.
Angle of spot hole enhanced processing method provided by the invention, using angle of spot hole ultrasound impact extrusion intensifying device to the angle of spot hole in hole processed
Edge carries out supersonic frequency impact extrusion processing, and making angle of spot hole, nearby material generates plastic deformation.
Further, the angle of spot hole ultrasound impact extrusion intensifying device includes supersonic generator, energy converter, amplitude transformer, tool
Head and shell；
One end of shell is arranged in the supersonic generator；
The inside of the shell is arranged in the energy converter；
One end of the amplitude transformer connects the shell；
The other end of the amplitude transformer is provided with the tool heads；
The tool heads include guide post, impact extrusion portion and interconnecting piece；
One end of the interconnecting piece is fixedly connected with the one end in the impact extrusion portion；
The other end of the interconnecting piece is detachably connected with the amplitude transformer；
The impact extrusion portion has impact extrusion inclined-plane, can carry out impact extrusion to angle of spot hole；
The interconnecting piece, the impact extrusion portion and guide post coaxial arrangement.
Further, lubricant is provided on the surface in the impact extrusion portion.
Further, the energy converter is provided with cooling fan far from one end of the amplitude transformer.
Further, the amplitude transformer is arranged in the shell by fixed ring；
The one end of the amplitude transformer far from energy converter is arranged in the fixed ring.
Further, the energy converter is magnetostrictive transducer or piezoelectric ceramic transducer.
Further, the direction of vibration of the amplitude transformer is axial vibration.
Further, the energy converter and amplitude transformer coaxial arrangement.
Further, handle is additionally provided on the shell.
Further, convex by what is generated at angle of spot hole using mechanical or manual technique for grinding after carrying out vibration impact extrusion to angle of spot hole
Edge is handled.
Angle of spot hole enhanced processing method provided by the invention, using angle of spot hole ultrasound impact extrusion intensifying device to the angle of spot hole in hole processed
Edge carries out supersonic frequency impact extrusion processing, and making angle of spot hole, nearby material generates plastic deformation, and making angle of spot hole, nearby material generates crystal grain refinement
Effect, residual compressive stress is formed after unloading, to greatly improve the anti-fatigue performance in hole, anti-stress corrosion performance and wear-resisting
Property.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of angle of spot hole strengthening and processing device of the present invention；
Fig. 2 is the structural schematic diagram of the tool heads of angle of spot hole strengthening and processing device of the present invention；
Fig. 3 is the handling principle schematic diagram of angle of spot hole strengthening and processing device of the present invention.
Appended drawing reference:
1: shell 2: energy converter 3: amplitude transformer
4: stopper section 5: fixed ring 6: tool heads
7: workpiece 8: cooling fan 9: handle
10: supersonic generator 11: interconnecting piece 12: transition part
13: impact extrusion portion 14: guide post 15: plastic deformation area
16: hole 17 processed: angle of spot hole
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As shown in the picture, the present invention provides a kind of angle of spot hole enhanced processing methods, using angle of spot hole ultrasound impact extrusion intensifying device
Supersonic frequency impact extrusion processing is carried out to the hole corner edge in hole processed, making angle of spot hole, nearby material generates plastic deformation.
Preferred embodiment is angle of spot hole ultrasound impact extrusion intensifying device, including supersonic generator 10, energy converter 2, luffing
Bar 3, tool heads 6 and shell 1；
One end of shell 1 is arranged in the supersonic generator 10；
The inside of the shell 1 is arranged in the energy converter 2；
One end of the amplitude transformer 3 connects the shell 1；
The other end of the amplitude transformer 3 is provided with the tool heads 6；
The tool heads 6 include guide post 14, impact extrusion portion 13 and interconnecting piece 11；
One end of the interconnecting piece 11 is fixedly connected with the one end in the impact extrusion portion 13；
The other end of the interconnecting piece 11 is detachably connected with the amplitude transformer 3；
The impact extrusion portion 13 is rotary table；
The biggish one end in the bottom surface of the rotary table is fixedly connected with the interconnecting piece 11；
The lesser one end in the bottom surface of the rotary table is fixedly connected with one end of the guide post 14；
The interconnecting piece 11, the impact extrusion portion 13 and the guide post 14 are coaxially disposed.
The present invention provides a kind of 17 strengthening and processing device of angle of spot hole in hole on part or structure.By ultrasonic cold punching caulking gun,
Tool heads 6 and supersonic generator 10 form.The composition of component and effect are as follows:
The effect of ultrasonic cold punching caulking gun is that supersonic frequency impact extrusion power is provided for tool heads 6.Ultrasonic cold punching caulking gun by energy converter 2,
Shell 1 and amplitude transformer 3 form.Wherein, energy converter 2 and amplitude transformer 3 are mechanically coupled together, and together with cage connection.It changes
Electric oscillation signal from supersonic generator 10 is converted into the mechanical oscillation of same frequency by energy device 2, and is gathered through amplitude transformer 3
It can be with driving instrument head 6 after Amplitude amplification.Hand-held can be carried out to ultrasonic cold punching caulking gun by lever, it can also be with machine
Bed connection realizes that the ultrasonic cold impact extrusion that hole is carried out on lathe is strengthened.The important technological parameters of ultrasonic cold punching caulking gun are as follows: vibration frequency
Rate is between 15kHz~30kHz, and the output amplitude of 3 end of amplitude transformer is between 10 μm~50 μm.
Tool heads 6 have guide post 14, impact extrusion portion 13 and interconnecting piece 11, and effect is to receive the ultrasound from amplitude transformer 3
Frequency vibration, and impact impact extrusion effect is carried out by edge of the impact extrusion portion 13 to the angle of spot hole 17 in hole processed, make 17 edge material of angle of spot hole
Material generates plastically deforming area, to realize the purpose that angle of spot hole 17 is strengthened.The axis in ultrasonic vibration direction and ultrasonic impact extrusion tool heads 6
Coaxially, interconnecting piece 11 is connected with mechanical connection manner with the fastening of the output end of amplitude transformer 3.The side in impact extrusion portion 13 can be cone
Face, arc surface, catenary curved surface or index curved surface, but above-mentioned several curved surfaces are not limited to, guide post 14 is for positioning and being oriented to.Punching
The surface roughness Ra in portion 13 is squeezed less than 0.5 micron, hardness determines that general HRC is between 45~65 according to processed material.
Transition part 12 is provided between interconnecting piece 11 and impact extrusion portion 13；One end of transition part 12 and 11 transition of interconnecting piece connect
It connects；The other end of transition part 12 is fixedly connected with impact extrusion portion 13.
By the setting of transition part 12, the structure in interconnecting piece 11 and impact extrusion portion 13 can flexibly be changed, and be connected
The distance in portion 11 and impact extrusion portion 13 also becomes adjustable, and then can be according to the concrete condition in actual hole 16 processed to transition part
12 are adjusted, to reach optimal treatment effect.
Supersonic generator 10 is used to for industrial-frequency alternating current being converted into supersonic frequency electric oscillation signal, and through the incoming ultrasound of cable
Cold punching caulking gun, to drive energy converter 2 that electric oscillation is converted into the longitudinal wave mechanical oscillation of same frequency.The output electricity of supersonic generator 10
Frequency is between 15kHz~30kHz.
Technical principle of the invention are as follows: the impact extrusion portion 13 of tool heads 6 is in workpiece 7 under supersonic frequency vibrational excitation
17 skirt materials of angle of spot hole of initial apertures carry out impact impact extrusion, so that it is generated plastic deformation, and make the crystal grain in plastically deforming area 15
It is refined, the elasticity after unloading because of hole wall adjacent material is restored to make the circumferential residual compressive stress of the material generation nearby of angle of spot hole 17.Fine grain
Strengthening the synergy with residual compressive stress makes the anti-fatigue performance in hole, and anti-stress corrosion performance and wearability are improved.With
Quiet impact extrusion is strengthened different, of the invention ultrasonic impact extrusion angle of spot holes 17 and is strengthened, because high strain rate, stress wave superimposition, temperature effect and
Ess-strain circulation can be such that processed material generation sound softening effect is generating to reduce the rheology drag of processed material
While severe plastic deformation, 7 macroscopic deformation of workpiece not will cause, and grain refining effect is obvious.
The present apparatus is different from dead load angle of spot hole impact extrusion reinforcing, uses ultrasonic activation and drives 17 impact extrusion tool heads 6 of angle of spot hole.
Due to sound softening effect and dynamic impulsion impact extrusion, 17 skirt materials local plastic deformation of angle of spot hole is violent, and grain refining effect is obvious.
Big depth, the residual compressive stress of amplitude can be introduced in 17 region of angle of spot hole.The static pressure applied to workpiece is small, can handle thin-wall part
Pore structure not will cause macroscopic deformation.Chamfering or rounding can be generated in angle of spot hole 17,17 stress of angle of spot hole concentration is effectively reduced.
Preferred embodiment is to be provided with lubricant on the surface in the impact extrusion portion 13.
Smear a small amount of lubricant on the surface in the impact extrusion portion 13 of tool heads 6, can effectively avoid impact extrusion portion 13 with
Larger friction between angle of spot hole 17 is damaged to caused by angle of spot hole 17.
With lubricator it is generally the solid lubricant of good pressure-resistant performance, the graphite such as reconciled through lubricating oil, or through lubricating
The molybdenum disulfide that oil reconciles, also can be used oil lubricant, such as animal oil, vegetable oil and mineral oil, notices that lubricant layer is not easy
It is too thick.
Preferred embodiment is that the energy converter 2 is provided with cooling fan 8 far from one end of the amplitude transformer 3.
Cooling fan 8 is set far from one end of amplitude transformer 3 in energy converter 2, and cooling fan 8 is also disposed inside shell 1, this
Sample can radiate to energy converter 2 by the rotation of cooling fan 8, and then increase the working life and work effect of energy converter 2
Rate avoids the case where energy converter 2 has to stop working due to overheat appearance.
Preferred embodiment is that the amplitude transformer 3 is arranged in the shell 1 by fixed ring 5；
The described one end of amplitude transformer 3 far from energy converter 2 is arranged in the fixed ring 5.
Amplitude transformer 3 is fixed in shell 1 by fixed ring 5, can increase amplitude transformer 3 with it is steady in shell 1
Qualitative and fastness effectively avoids the case where amplitude transformer 3 is scurried out in shell 1 when vibration appearance.
The inside of fixed ring 5 and the outside of amplitude transformer 3 offset, and the outside of fixed ring 5 and the inside of shell 1 offset, and are becoming
One stopper section 4 matched with shell 1 is set on width bar 3, and stopper section 4 is clipped in the middle, avoids by fixed ring 5 and shell 1
The play of amplitude transformer 3, and then ensure that the normal work of amplitude transformer 3.
Connection type between fixed ring 5 and shell 1 can be welding, is also possible to be threadedly coupled, can also be interference
Cooperation, as long as fixed ring 5 can be fixed to 1 inside of shell.
Preferred embodiment is that the energy converter 2 is magnetostrictive transducer or piezoelectric ceramic transducer.
The high mechanical strength of metal magnetostrictive transducer, task performance are stablized, and unit area radiant power is big, monomer function
Rate capacity is big.In high strength supersonic field, it is used widely because mechanical resistant impact and surge ability are strong.Magnetostriction is changed
For energy device because having lower Q value (acutance that Q is energy peak), it can transmit very wide frequency, such as: for
The ultrasonic wave magnetostrictive transducer transmitting frequency range of 20kHz is 17~23kHz.
Piezoelectric ceramic transducer by piezoelectric ceramic piece and it is light, weigh two kinds of metals and form, at a certain temperature through polarization at
After reason, there is piezoelectric effect.In a simple situation, when piezoelectric material is by stress F consistent with polarization direction, in polarization direction
It is upper to generate certain magnetic field strength E, there is a simple linear relationship E=gF between them；Conversely, when consistent with polarization direction
When applied voltage U is added in piezoelectric material, the telescopic deformation S and voltage U of material also wired sexual intercourse S=dU.Proportionality constant g, d claim
It is related with material properties for piezoelectric constant.Due to having simple linear relationship between E, S, F, U, we can be incited somebody to action
Simple alternating current electric signal is transformed into the flexible of piezoelectric material longitudinal length, becomes the source of sound wave；Can also equally acoustic pressure be made to become
Change is changed into the variation of voltage to receive acoustical signal.
Preferred embodiment is that the direction of vibration of the amplitude transformer 3 is axial vibration.
The axial vibration of amplitude transformer 3 can provide most strong vibration to workpiece 7, and then reach maximum
Vibration is passed into workpiece 7, impact impact extrusion is carried out by angle of spot hole 17 edge of the impact extrusion portion 13 to hole 16 processed to reach
Effect, making angle of spot hole 17, nearby material generates the effect being plastically deformed with crystal grain refinement, forms residual compressive stress after unloading.
Preferred embodiment is that the energy converter 2 and the amplitude transformer 3 are coaxially disposed.
Energy converter 2 and amplitude transformer 3 are coaxially disposed, act on it is the same with the direction of vibration of amplitude transformer 3, also for can
The vibration of energy converter 2 is passed into workpiece 7 to the greatest extent.
Preferred embodiment is to be additionally provided with handle 9 on the shell 1.
Handle 9 is set on shell 1, entire 17 strengthening and processing device of angle of spot hole can be held by handle 9, or
It is connected on lathe and operates, make to operate more convenient.
Preferred embodiment is, after carrying out vibration impact extrusion to angle of spot hole 17, using mechanical or manual technique for grinding by angle of spot hole
The flange generated at 17 is handled.
Entire processing method main process includes the following steps:
1) polishing removes the machined burrs on hole 16 processed, removes hole wall pollutant with ethyl alcohol or alcohol.
2) it checks ultrasonic 6 surface quality of impact extrusion tool heads, and removes surface contaminant with ethyl alcohol or alcohol.
3) a small amount of lubricant is smeared on the impact extrusion working face of ultrasonic impact extrusion tool heads 6, institute is with lubricator generally resistance to
The solid lubricant for pressing performance good, the graphite such as reconciled through lubricating oil, or the molybdenum disulfide reconciled through lubricating oil, also can be used
It is too thick to notice that lubricant layer is not easy such as animal oil, vegetable oil and mineral oil for oil lubricant.
4) by the guide rod on the lever and ultrasonic impact extrusion tool heads 6 on ultrasonic cold punching caulking gun by ultrasonic impact extrusion tool
First 6 merging hole 16 processed, contacts impact extrusion working face with angle of spot hole 17, and slightly exert pressure (pressure is generally in 1~5Kg), simultaneously
Keep impact extrusion tool heads 6 and hole 16 processed coaxial.
5) it opens supersonic generator 10 and ultrasonic impact extrusion is carried out to 17 edge of angle of spot hole, the ultrasonic impact extrusion time is according to processed material
With require difference, generally between 15~120 seconds.
6) after treatment closes ultrasonic generator, removes ultrasonic cold punching caulking gun.
7) ultrasonic impact extrusion reinforcing can generally generate certain flange in bore edges, if hole processed 16 is bolt or riveting
Hole should then be removed flange using mechanical or manual technique for grinding, and when polishing should be noted that the reinforcing face that cannot injure, and polishing is gone
Except material is not easy excessively.
8) after ultrasonic impact extrusion reinforcing and grinding process, the protection by spraying aqueous preventives coating near angle of spot hole 17, in order to avoid hole wall erosion or oxygen
Change.
17 strengthening and processing device of angle of spot hole provided by the invention, the ultrasound for being issued supersonic generator 10 using energy converter 2
Wave is converted to mechanical oscillation, then after the amplification for passing through amplitude transformer 3, vibration is passed to the impact extrusion portion 13 in tool heads 6, passes through punching
It squeezes portion 13 and supersonic frequency impact extrusion processing is carried out to 17 edge of angle of spot hole, making angle of spot hole 17, nearby material generates plastic deformation, and then in angle of spot hole
The effect of 17 crystal grain refinements of material generation nearby, forms residual compressive stress after unloading.The present invention introduces big deep near angle of spot hole 17
Degree, amplitude residual compressive stress；Making angle of spot hole 17, nearby material forms Ultra-fine Grained；Chamfering or rounding transition, drop are generated in angle of spot hole 17
Low 17 stress of angle of spot hole is concentrated；The static pressure applied to workpiece is small, can handle thin-wall part pore structure；Greatly improve hole it is antifatigue,
Anti-stress corrosion performance and wearability
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (7)
1. a kind of angle of spot hole enhanced processing method, which is characterized in that using angle of spot hole ultrasound impact extrusion intensifying device to the hole in hole processed
Corner edge carries out supersonic frequency impact extrusion processing, and making angle of spot hole, nearby material generates plastic deformation；
The angle of spot hole ultrasound impact extrusion intensifying device includes supersonic generator, energy converter, amplitude transformer, tool heads and shell；
One end of shell is arranged in the supersonic generator；
The inside of the shell is arranged in the energy converter；
One end of the amplitude transformer connects the shell；
The other end of the amplitude transformer is provided with the tool heads；
The tool heads include guide post, impact extrusion portion and interconnecting piece；
One end of the interconnecting piece is fixedly connected with the one end in the impact extrusion portion；
The other end of the interconnecting piece is detachably connected with the amplitude transformer；
The impact extrusion portion has impact extrusion inclined-plane, can carry out impact extrusion to angle of spot hole；
The interconnecting piece, the impact extrusion portion and guide post coaxial arrangement；
The amplitude transformer is fixed in the shell by fixed ring；
It offsets on the outside of the inside of the fixed ring and the amplitude transformer, the inside phase in the outside of the fixed ring and the shell
It supports, a stopper section matched with the shell is set in the amplitude transformer, and the fixed ring and the shell will be described
Stopper section is clipped in the middle；
The specific steps that angle of spot hole is handled using the angle of spot hole ultrasound impact extrusion intensifying device are as follows:
1) polishing removes the machined burrs on hole processed, removes hole wall pollutant with alcohol；
2) it checks ultrasonic impact extrusion tool heads surface quality, and removes surface contaminant with alcohol；
3) a small amount of lubricant is smeared on the impact extrusion working face of ultrasonic impact extrusion tool heads；
It 4) will be ultrasonic by the guide rod on the lever and ultrasonic impact extrusion tool heads on the angle of spot hole ultrasound impact extrusion intensifying device
Impact extrusion tool heads are placed in hole processed, make impact extrusion working face and hole angular contact, and exert pressure, while keeping impact extrusion tool heads and quilt
It is coaxial to handle hole；
5) supersonic generator is opened, device to hole corner edge carries out ultrasonic impact extrusion, and the ultrasonic impact extrusion time is between 15 ~ 120 seconds；
6) after treatment closes ultrasonic generator, removes the angle of spot hole ultrasound impact extrusion intensifying device；
7) ultrasonic impact extrusion reinforcing can generally generate certain flange in bore edges, if hole processed is bolt or riveted holes,
Flange should be removed using mechanical or manual technique for grinding, when polishing cannot injure reinforcing face；
8) after ultrasonic impact extrusion reinforcing and grinding process, the protection by spraying aqueous preventives coating near angle of spot hole, in order to avoid hole wall erosion or oxidation.
2. angle of spot hole enhanced processing method according to claim 1, which is characterized in that the energy converter is far from the amplitude transformer
One end be provided with cooling fan.
3. angle of spot hole enhanced processing method according to claim 1, which is characterized in that the amplitude transformer is arranged by fixed ring
In the shell；
The one end of the amplitude transformer far from energy converter is arranged in the fixed ring.
4. angle of spot hole enhanced processing method according to claim 1, which is characterized in that the energy converter is magnetostriction transducing
Device or piezoelectric ceramic transducer.
5. angle of spot hole enhanced processing method according to claim 1, which is characterized in that the direction of vibration of the amplitude transformer is axis
To vibration.
6. angle of spot hole enhanced processing method according to claim 1, which is characterized in that the energy converter and the amplitude transformer are same
Axis setting.
7. angle of spot hole enhanced processing method according to claim 1, which is characterized in that be additionally provided with handle on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610290905.6A CN105779756B (en) | 2016-05-05 | 2016-05-05 | Angle of spot hole enhanced processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610290905.6A CN105779756B (en) | 2016-05-05 | 2016-05-05 | Angle of spot hole enhanced processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105779756A CN105779756A (en) | 2016-07-20 |
| CN105779756B true CN105779756B (en) | 2019-01-11 |
Family
ID=56400600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610290905.6A Active CN105779756B (en) | 2016-05-05 | 2016-05-05 | Angle of spot hole enhanced processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105779756B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012305B (en) * | 2017-03-24 | 2018-11-06 | 江苏大学 | A kind of ultrasonic coldworking strengthened method and device of structural member connecting hole |
| CN110055397B (en) * | 2019-04-28 | 2020-08-28 | 江苏大学 | Magnetic driving type taper hole inner surface strengthening equipment |
| CN111975284B (en) * | 2020-08-20 | 2021-06-08 | 东风商用车有限公司 | Extrusion die and method for improving fatigue strength of hole end of metal plate |
| CN112210646B (en) * | 2020-09-29 | 2022-06-28 | 郑州大学 | Ultrasonic rolling strengthening device for V-notch cylindrical fatigue test sample |
| CN112981067B (en) * | 2021-02-03 | 2022-09-20 | 四川大学 | Cold extrusion fatigue strengthening device and method for orifice with open pore structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201543855U (en) * | 2009-10-23 | 2010-08-11 | 陈元平 | High power ultrasonic boring apparatus |
| CN103627885A (en) * | 2013-11-18 | 2014-03-12 | 江苏大学 | Pinhole inner wall reinforcement method and device based on magnetostriction |
| CN103710494A (en) * | 2013-12-30 | 2014-04-09 | 江苏大学 | Ultrasonic based method and ultrasonic based device for reinforcing a small hole |
| CN104190832A (en) * | 2014-07-30 | 2014-12-10 | 成都飞机工业（集团）有限责任公司 | Ultrasonic vibrating thread rolling enhancing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962706B (en) * | 2010-10-08 | 2012-04-18 | 中国航空工业集团公司北京航空材料研究院 | Compound strengthening method of small hole in ultrahigh strength steel part |
-
2016
- 2016-05-05 CN CN201610290905.6A patent/CN105779756B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201543855U (en) * | 2009-10-23 | 2010-08-11 | 陈元平 | High power ultrasonic boring apparatus |
| CN103627885A (en) * | 2013-11-18 | 2014-03-12 | 江苏大学 | Pinhole inner wall reinforcement method and device based on magnetostriction |
| CN103710494A (en) * | 2013-12-30 | 2014-04-09 | 江苏大学 | Ultrasonic based method and ultrasonic based device for reinforcing a small hole |
| CN104190832A (en) * | 2014-07-30 | 2014-12-10 | 成都飞机工业（集团）有限责任公司 | Ultrasonic vibrating thread rolling enhancing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105779756A (en) | 2016-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105779756B (en) | Angle of spot hole enhanced processing method | |
| US7431779B2 (en) | Ultrasonic impact machining of body surfaces to correct defects and strengthen work surfaces | |
| CN107012305B (en) | A kind of ultrasonic coldworking strengthened method and device of structural member connecting hole | |
| Saravanan et al. | Effect of shoulder diameter to pin diameter ratio on microstructure and mechanical properties of dissimilar friction stir welded AA2024-T6 and AA7075-T6 aluminum alloy joints | |
| WO2018201521A1 (en) | Laser shock and supersonic vibration extrusion co-strengthening device and method | |
| CN205763916U (en) | It is applicable to the numerical control turning elliptical ultrasonic vibration topping machanism of difficult-to-machine material | |
| CN101219512A (en) | Ultrasonic executing agency and processing method for plane ultrasonic surface rolling | |
| CN1172770C (en) | Method and apparatus for producing beneficial stresses around apertures by the use of focused stress waves | |
| Lyu et al. | Double-sided friction stir spot welding of steel and aluminum alloy sheets | |
| CA2491743A1 (en) | Ultrasonic impact machining of body surfaces to correct defects and strengthen work surfaces | |
| CN104190832A (en) | Ultrasonic vibrating thread rolling enhancing device | |
| US9463527B2 (en) | Tube profile machining process | |
| CN111389919B (en) | Transverse vibration rolling system for double-layer metal composite ultrathin strip and preparation method | |
| Schubert et al. | Influence of ultrasonic vibration assistance on the surface integrity in turning of the aluminium alloy AA2017 | |
| CN101220406A (en) | Executing agency and processing method for half wave length ultrasonic surface rolling process | |
| CN108637467A (en) | A kind of ultrasonic energy combined based on roller and stirring-head is laterally applied to device and method | |
| CN207272423U (en) | ultrasonic welding unit and ultrasonic welding machine | |
| Graff | Ultrasonic metal forming: Processing | |
| CN105268620B (en) | A kind of two-way Hybrid transducer vibrating device | |
| CN106925944B (en) | Self-cooling ultrasonic composite extrusion processing device for precision processing | |
| CN214572121U (en) | Surface modification vertical device based on ultrasonic rolling technology | |
| CN107042426B (en) | Ultra-long rotary ultrasonic spindle adopting line transmission | |
| CN107020427B (en) | Turning device | |
| CN204108202U (en) | A kind of ultrasonic vibration rolling screw-threads intensifying device | |
| CN103436675A (en) | Low-voltage high-current ultrasonic surface rolling apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |