CN108436187A - A kind of ultrasonic cutting of aluminum honeycomb and impact integral processing method - Google Patents
A kind of ultrasonic cutting of aluminum honeycomb and impact integral processing method Download PDFInfo
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- CN108436187A CN108436187A CN201810157494.2A CN201810157494A CN108436187A CN 108436187 A CN108436187 A CN 108436187A CN 201810157494 A CN201810157494 A CN 201810157494A CN 108436187 A CN108436187 A CN 108436187A
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- disc cutter
- aluminum honeycomb
- face
- honeycomb
- feed path
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P25/00—Auxiliary treatment of workpieces, before or during machining operations, to facilitate the action of the tool or the attainment of a desired final condition of the work, e.g. relief of internal stress
- B23P25/003—Auxiliary treatment of workpieces, before or during machining operations, to facilitate the action of the tool or the attainment of a desired final condition of the work, e.g. relief of internal stress immediately preceding a cutting tool
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Abstract
The invention discloses a kind of ultrasonic cuttings of aluminum honeycomb and impact integral processing method, have following steps：Pending aluminum honeycomb is fixed on jig, ultrasonic vibration installation is installed on machine tool chief axis, the disc cutter with the fine decorative pattern in specific lower face is installed on ultrasonic vibration installation, measures the end face run-out of knife face under adjustment disc cutter；Feed path is determined according to required aluminum honeycomb face shape；Starting ultrasonic vibration installation makes disc cutter start to vibrate, and starting machine tool chief axis makes disc cutter turn round, and is processed to pending aluminum honeycomb by feed path.Present invention cutting force compared with current high-rate wireless LAN method is substantially reduced, and the aluminum honeycomb workpiece cell deformation smaller processed, the manufacturing deficiencies such as burr, conquassation significantly reduce, and surface smoothness is high.It can obtain, according to aluminum honeycomb surface that honeycomb wall width broadens and that there is particular surface microscopic appearance is obtained while required face type ultrasonic cutting, being conducive to later stage honeycomb bonding.
Description
Technical field
The present invention relates to a kind of processing methods, and in particular to a kind of ultrasonic cutting of aluminum honeycomb processing side integrated with impact
Method.
Background technology
Aluminum honeycomb sandwich structure piece is manufacture satellite fairing, and the important part of the components such as hatch door, the floor of aircraft is navigating
Empty space industry is widely used.It makes honeycomb sandwich construction part to be processed firstly the need of to aluminum honeycomb, reach designed
Curve form；Composite material skin of the inside with glued membrane or aluminium alloy plate covering are fitted on comb core material again,
So that glued membrane is melted under certain temperature, glue is allowed equably to contact bonding with the cell end face of aluminum honeycomb and side wall, last glue is solid
Change, bonding is completed.The surface figure accuracy and microscopic appearance of aluminum honeycomb can influence bonding quality, and then influence entire aluminum honeycomb interlayer knot
The performance of component.Since aluminum honeycomb is a kind of stephanoporate thin wall constitutional detail, surface has noncontinuity, and wall thickness only has 0.03mm
~0.1mm, this stephanoporate thin wall structure have higher rigidity on cell direction, but perpendicular to the direction of honeycomb cell
Rigidity in (herein referred to as laterally) is weaker, causes existing processing method to be processed aluminum honeycomb very difficult.Current one
As use numerically-controlled machine tool high-rate wireless LAN aluminum honeycomb curved surface, since aluminum honeycomb lateral stiffness is weak, easily in the case where cutting force effect
Appearance allows knife to deform, the conquassation of honeycomb cell, honeycomb wall tearing, the bonding plane cracking between honeycomb wall, finished surface form accuracy compared with
Difference；There are more burr, flash etc. in the surface that high-speed milling is processed simultaneously, these are to restrict aluminum honeycomb machining accuracy and matter
The key factor of amount.
In conclusion problems with present in aluminum honeycomb processing is to restrict the problem of aluminum honeycomb processing quality：
1. traditional method for milling cutting force is big, causes the aluminum honeycomb cutting deformation of weak separation big, influence machining accuracy；
The defects of 2. traditional method for milling processing honeycomb wicking surface is jagged, flash or even degumming, tearing, processing quality
Difference influences follow-up bonding quality；
3. the small feature of the honeycomb wall width of aluminum honeycomb endface causes it small with bond area of covering when Nian Jie, bonding
Intensity is weak.
Invention content
The present invention is in view of the above problems, propose a kind of ultrasonic cutting of aluminum honeycomb and impact integral processing method.
The present invention resolving ideas be：
Existing method for milling is replaced to process aluminum honeycomb using ultrasonic cutting method so that aluminum honeycomb chip is with blocky or item
Shape form removes, rather than is removed in the form of milling clast；Apply ultrasonic vibration on cutting tool, is made by ultrasonic cutting
With cutting force is reduced, inhibits the deformation of honeycomb cell, improve the surface figure accuracy and surface quality of aluminum honeycomb；Disc cutter is in ultrasonic vibration
High-frequency percussion processing is carried out to aluminum honeycomb cell end face in cutting process so that the honeycomb wall width of aluminum honeycomb end face increases, whole
Body face area increases, and then increases effective bond area of aluminum honeycomb and covering, while being arranged on knife face under disc cutter various
Fine decorative pattern, high-frequency percussion effect under, make aluminum honeycomb cell end face have specific microstructure, improve bonding intensity and can
By property.
The technological means that the present invention uses is as follows：
A kind of ultrasonic cutting of aluminum honeycomb and impact integral processing method, have following steps：
S1, pending aluminum honeycomb is fixed on jig, ultrasonic vibration installation is installed on machine tool chief axis, will justified
Piece knife is installed on ultrasonic vibration installation, is measured the end face run-out of knife face under disc cutter, is made the end face run-out of knife face under disc cutter
It meets the requirements, wherein the longitudinal section of disc cutter is in isosceles trapezoid shape；
S2, determine feed path according to required aluminum honeycomb face shape, and the tool axis of the disc cutter always perpendicular to
The feed path；
S3, start ultrasonic vibration installation disc cutter is made to start to vibrate, starting machine tool chief axis makes disc cutter turn round, by walking cutter track
Diameter is processed pending aluminum honeycomb, obtains the aluminum honeycomb with required aluminum honeycomb face shape, aluminum honeycomb cell is without apparent
Deformation, cell end face is smooth and has specific microstructure, and nearby honeycomb wall width increases for cell end face.
In the step S1, the disc cutter is connected through a screw thread with the ultrasonic vibration installation, and the disc cutter is cut
The end face in face has fine decorative pattern.
When needing to process larger plane, disc cutter of the diameter between 30mm to 100mm may be selected；It is small when needing to process
Plane or it is complex-curved when, disc cutter of the diameter between 5mm to 30mm may be selected.The fiber of covering bonding plane is unidirectionally to arrange
When, the end face of lower knife face can be selected to carry the disc cutter of annular pattern, the aluminum honeycomb cell end face processed in this way has
Fine unidirectional groove can make fiber be embedded in the cell end face of aluminum honeycomb in bonding, and so on, it can also be according to fiber
The difference mode of arranging select the disk of the end face of lower knife face with annular pattern, centripetal decorative pattern, cross decorative pattern, grid decorative pattern
Knife, as shown in figure 5, obtaining different aluminum honeycomb cell end face surface microscopic appearances, as shown in Figure 6.
The end face run-out of knife face meets the requirements the end face run-out model for referring to knife face under the disc cutter under the disc cutter
It encloses and is less than or equal to 20 μm, if being processed when end face run-out exceeds 20 μm, can not ensure processing quality.
In the step S2, the feed path should ensure that the disc cutter single cutting depth is 0.5mm~3mm.When
When cutting depth is less than 0.5mm, the disc cutter can not be completed to process；When cutting depth is more than 3mm, ultrasonic vibration installation exists
Chip can be pushed during feeding, and then honeycomb wall is caused to tear, and processing quality reduces.
In the step S3, the disc cutter is vibrated along its axis direction, and vibration frequency is 18KHz~22KHz, and amplitude is
20 μm~50 μm.If amplitude is less than 20 μm, the ultrasonic vibration generated can not effectively cut cellular material, and be rushed to honeycomb wall
Hit treatment effect unobvious；If amplitude is more than 50 μm, cutting and shock surface deteriorate, or even will produce showing for honeycomb wall tearing
As.
In the step S3, when being processed to pending aluminum honeycomb by the feed path, the disc cutter is being processed
It should first be fed with the feed speed less than 20mm/min, be gradually increased again after the disc cutter all incision aluminum honeycomb in the process
Then feed speed keeps high feed speed until machining, the rotating speed of the disc cutter is 200r/min~2000r/
min。
Under the above working process parameter, good processing quality can get.
Compared with prior art, the invention has the advantages that：
1. high precision machining, processing quality is good.Present invention cutting force compared with current high-rate wireless LAN method is apparent
It reduces, the aluminum honeycomb workpiece cell deformation smaller processed, the manufacturing deficiencies such as burr, conquassation significantly reduce, and surface smoothness is high.
2. high in machining efficiency.The present invention organically combines machining and pressure processing, the ultrasonic cutting processing of aluminum honeycomb
It is completed at the same time with ultrasonic impact processing, processing efficiency can be improved.
3. versatile.The present invention can change the working width of feed by replacing the disc cutter of different-diameter, also
The end face that knife face under set direction disc cutter can be arranged according to composite material skin fiber has different decorative patterns, to be suitable for
The honeycomb workpiece of different cell sizes and different process requirements.
4. enhancing aluminum honeycomb adhesive property.Aluminum honeycomb cell face area after disc cutter processing becomes larger, near end face
Honeycomb wall width increases, and effective bond area becomes larger, in addition, microstructure energy and composite material skin special on cell end face
Fiber is preferably chimeric, these changes are all more advantageous to the bonding of aluminum honeycomb.
5. self-cleaning property is good.Since ultrasonic vibration effect can clean honeycomb wall in process, to reduce aluminum honeycomb
The cleaning work of finished surface later stage improves the adhesive property of aluminum honeycomb.
6. controllability is high.A kind of ultrasonic cutting of aluminum honeycomb of the present invention can pass through number respectively with impact integral processing method
Control lathe is adjusted feed path, rotating speed, feed speed etc. and ultrasonic vibration system carrys out the control of ultrasonic vibration
Control processing quality.
7. environmental-friendly.The present invention is without the use of cutting fluid, and blocky or strip chip is generated in process, convenient for collecting
With processing, generated without clast and dust.
The present invention can be widely popularized in fields such as processing technologies based on the above reasons.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 be the present invention specific implementation mode in aluminum honeycomb ultrasonic cutting with impact integral processing method signal
Figure, wherein 1~ultrasonic vibration installation, 2~disc cutter, the aluminum honeycomb surface after 3~working process, 4~pending aluminum honeycomb, 5
~jig, V are feed speed, and A is ultrasonic vibration.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the partial enlarged view of B-B direction sectional view and honeycomb wall in Fig. 2.
Fig. 4 is the honeycomb wall and covering processed in the honeycomb wall of conventional method processing and the specific implementation mode of the present invention
The contrast schematic diagram of bonding.Wherein, 6~covering, the glue tumor that the honeycomb wall that 7~conventional method is processed is formed with covering when Nian Jie, 8
The honeycomb wall of~conventional method processing, the honeycomb wall processed in the specific implementation mode of 9~present invention, the tool of 10~present invention
The glue tumor that the honeycomb wall processed in body embodiment is formed with covering when Nian Jie.
Fig. 5 be the present invention disc cutter under knife face end face various fine decorative pattern schematic diagrames, wherein a~annular pattern,
B~centripetal decorative pattern, c~cross decorative pattern, d~grid decorative pattern.
Fig. 6 is the surface microscopic topographic schematic diagram of the aluminum honeycomb cell end face obtained after the present invention processes, wherein a~
Cell end face with lateral trench, the b~cell end face with vertical groove, c~cell end face with crisscross grooves, d
~cell the end face with grid groove.
Fig. 7 be the present invention specific implementation mode in the aluminum honeycomb cell end face pictorial diagram with lateral trench that obtains.
Fig. 8 be the present invention specific implementation mode in the aluminum honeycomb pictorial diagram that obtains.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Fig. 1~Fig. 4, Fig. 7 and Fig. 8, a kind of ultrasonic cutting of aluminum honeycomb and impact integral processing method have
Following steps：
S1, pending aluminum honeycomb 4 is fixed on jig 5, ultrasonic vibration installation 1 is installed on machine tool chief axis,
Disc cutter 2 is installed on ultrasonic vibration installation 1, the end face run-out of 2 times knife faces of disc cutter is measured, adjusts 2 times knife faces of disc cutter
End face run-out range be less than or equal to 20 μm, wherein the longitudinal section of disc cutter 2 be in isosceles trapezoid shape；
S2, determine feed path according to required aluminum honeycomb face shape, and the tool axis of the disc cutter 2 always perpendicular to
The feed path；
S3, startup ultrasonic vibration installation 1 make disc cutter 2 start to vibrate, and wait for frequency stabilization in 20kHz and amplitude stability is 30
After μm, starting machine tool chief axis makes disc cutter 2 be turned round with 1000r/min, adds to pending aluminum honeycomb 4 by feed path
Work, obtains the aluminum honeycomb with required aluminum honeycomb face shape, and the aluminum honeycomb cell end face on the aluminum honeycomb surface 3 after working process is real
Object figure, as shown in Figure 7.
In the step S1, the disc cutter 2 is connected through a screw thread with the ultrasonic vibration installation 1, under the disc cutter 2
The end face of knife face has fine decorative pattern, a diameter of 30mm~100mm of the disc cutter 2.
In the step S2, the feed path should ensure that 2 single cutting depth of the disc cutter is 0.5mm~3mm.
In the step S3, the disc cutter 2 is vibrated along its axis direction.
In the step S3, when being processed to aluminum honeycomb 4 by the feed path, the disc cutter 2 is in process
In should first be fed with the feed speed less than 20mm/min, be gradually increased again after the disc cutter 2 all incision aluminum honeycombs into
To speed, high feed speed is then kept until machining.
The honeycomb wall 8 that Fig. 4 is processed by conventional method and the honeycomb wall 9 and illiteracy processed in the specific implementation mode of the present invention
The contrast schematic diagram that skin 6 is bonded.What the honeycomb wall 9 processed in the specific implementation mode of the present invention was formed when Nian Jie with covering 6
The shape for the glue tumor 7 that glue tumor 10 is formed when more Nian Jie with covering 6 than the honeycomb wall 8 that conventional method is processed is more stable, volume bigger, into
And increase integral adhesive power.
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
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (6)
1. a kind of ultrasonic cutting of aluminum honeycomb and impact integral processing method, it is characterised in that have following steps：
S1, pending aluminum honeycomb is fixed on jig, ultrasonic vibration installation is installed on machine tool chief axis, by disc cutter
It is installed on ultrasonic vibration installation, measures the end face run-out of knife face under disc cutter, the end face run-out of knife face under disc cutter is made to meet
It is required that, wherein the longitudinal section of disc cutter is in isosceles trapezoid shape；
S2, feed path is determined according to required aluminum honeycomb face shape, and the tool axis of the disc cutter is always perpendicular to described
Feed path；
S3, startup ultrasonic vibration installation make disc cutter start to vibrate, and starting machine tool chief axis makes disc cutter turn round, by feed path pair
Pending aluminum honeycomb is processed, and obtains the aluminum honeycomb with required aluminum honeycomb face shape.
2. according to the method described in claim 1, it is characterized in that：In the step S1, the disc cutter shakes with the ultrasound
Dynamic device is connected through a screw thread, and the end face of knife face has fine decorative pattern under the disc cutter.
3. according to the method described in claim 1, it is characterized in that：In the step S1, the end face of knife face under the disc cutter
Bounce, which is met the requirements, refers to that the end face run-out range of knife face under the disc cutter is less than or equal to 20 μm.
4. according to the method described in claim 1, it is characterized in that：In the step S2, the feed path should ensure that described
Disc cutter single cutting depth is 0.5mm~3mm.
5. according to the method described in claim 1, it is characterized in that：In the step S3, the disc cutter is along its axis direction
Vibration, vibration frequency are 18KHz~22KHz, and amplitude is 20 μm~50 μm.
6. according to the method described in claim 1, it is characterized in that：In the step S3, by the feed path to pending
When aluminum honeycomb is processed, the disc cutter should first be fed with the feed speed less than 20mm/min in process, wait for institute
It states after disc cutter all cuts aluminum honeycomb and feed speed is gradually increased again, then keep high feed speed up to machining, institute
The rotating speed for stating disc cutter is 200r/min~2000r/min.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870058A (en) * | 2018-08-29 | 2018-11-23 | 徐卫国 | A kind of honeycomb core and its processing method for eliminating compression peaks using fluting method |
| CN111390285A (en) * | 2020-03-31 | 2020-07-10 | 成都飞机工业（集团）有限责任公司 | Honeycomb core machining tool path generation method |
| CN113155387A (en) * | 2021-03-30 | 2021-07-23 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Method for preparing universal box-type skin antenna vibration test clamp |
| CN114146889A (en) * | 2021-11-15 | 2022-03-08 | 浙江师范大学 | Dual excitation longitudinal-radial mode conversion high-power ultrasonic vibration system |
| CN114227380A (en) * | 2021-12-10 | 2022-03-25 | 国营芜湖机械厂 | Damage-proof honeycomb material processing method |
| CN114905329A (en) * | 2022-04-06 | 2022-08-16 | 大连理工大学 | Ultrasonic cutting method for curved surface of honeycomb core |
| CN115213713A (en) * | 2021-10-13 | 2022-10-21 | 大连海事大学 | Flexible supporting and clamping method and device for inner wall of honeycomb material |
| CN115673864A (en) * | 2022-11-11 | 2023-02-03 | 大连理工大学 | Chip breaking method for ultrasonic cutting of honeycomb core |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870058A (en) * | 2018-08-29 | 2018-11-23 | 徐卫国 | A kind of honeycomb core and its processing method for eliminating compression peaks using fluting method |
| CN111390285A (en) * | 2020-03-31 | 2020-07-10 | 成都飞机工业（集团）有限责任公司 | Honeycomb core machining tool path generation method |
| CN111390285B (en) * | 2020-03-31 | 2021-10-08 | 成都飞机工业（集团）有限责任公司 | Honeycomb core machining tool path generation method |
| CN113155387A (en) * | 2021-03-30 | 2021-07-23 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Method for preparing universal box-type skin antenna vibration test clamp |
| CN113155387B (en) * | 2021-03-30 | 2023-12-01 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Method for preparing universal box type skin antenna vibration test clamp |
| CN115213713B (en) * | 2021-10-13 | 2023-09-19 | 大连海事大学 | Flexible supporting and clamping method and device for inner wall of honeycomb material |
| CN115213713A (en) * | 2021-10-13 | 2022-10-21 | 大连海事大学 | Flexible supporting and clamping method and device for inner wall of honeycomb material |
| CN114146889A (en) * | 2021-11-15 | 2022-03-08 | 浙江师范大学 | Dual excitation longitudinal-radial mode conversion high-power ultrasonic vibration system |
| CN114227380A (en) * | 2021-12-10 | 2022-03-25 | 国营芜湖机械厂 | Damage-proof honeycomb material processing method |
| CN114227380B (en) * | 2021-12-10 | 2023-10-20 | 国营芜湖机械厂 | Processing method of anti-damage honeycomb material |
| CN114905329A (en) * | 2022-04-06 | 2022-08-16 | 大连理工大学 | Ultrasonic cutting method for curved surface of honeycomb core |
| CN114905329B (en) * | 2022-04-06 | 2023-09-26 | 大连理工大学 | Ultrasonic cutting method for curved surface of honeycomb core |
| CN115673864A (en) * | 2022-11-11 | 2023-02-03 | 大连理工大学 | Chip breaking method for ultrasonic cutting of honeycomb core |
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