CN108436187B - 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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- CN108436187B CN108436187B CN201810157494.2A CN201810157494A CN108436187B CN 108436187 B CN108436187 B CN 108436187B CN 201810157494 A CN201810157494 A CN 201810157494A CN 108436187 B CN108436187 B CN 108436187B
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- disc cutter
- aluminum honeycomb
- face
- honeycomb
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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
Abstract
The invention discloses a kind of ultrasonic cuttings of aluminum honeycomb and impact integral processing method, with following steps: aluminum honeycomb to be processed is fixed in machine tool fixture, ultrasonic vibration installation is installed on machine tool chief axis, disc cutter with the fine decorative pattern in specific lower end surface is installed on ultrasonic vibration installation, the end face run-out of knife face under measurement 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 turns round disc cutter, processes by feed path to aluminum honeycomb to be processed.Present invention cutting force compared with current high-rate wireless LAN method is substantially reduced, and the aluminum honeycomb workpiece cell deformation processed is smaller, and the manufacturing deficiencies such as burr, conquassation significantly reduce, and surface smoothness is high.Aluminum honeycomb surface available broadening according to acquisition honeycomb wall width while required face type ultrasonic cutting and with particular surface microscopic appearance, is conducive to later period 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 technique
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.Production honeycomb sandwich construction part is processed firstly the need of to aluminum honeycomb, is reached designed
Curve form；The composite material skin by inside with glue film or aluminium alloy plate covering are fitted on comb core material again, In
Melt glue film 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 will affect 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 rigidity with higher on cell direction, but in the direction perpendicular to honeycomb cell
Rigidity in (herein referred to as laterally) is weaker, causes existing processing method to process 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, cutting force effect under easily
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 following problems present in aluminum honeycomb processing are 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 subsequent 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.
Summary of the invention
The present invention is in view of the above problems, propose the ultrasonic cutting and impact integral processing method of a kind of aluminum honeycomb.
Resolving ideas of the invention is:
Existing method for milling is replaced to process aluminum honeycomb using ultrasonic cutting method, so that aluminum honeycomb chip is with blocky or item
The removal of shape form, rather than 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, it is 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, aluminum honeycomb to be processed is fixed in machine tool fixture, 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, starting ultrasonic vibration installation make disc cutter start to vibrate, and starting machine tool chief axis turns round disc cutter, by walking cutter track
Diameter processes aluminum honeycomb to be processed, obtains the aluminum honeycomb with required aluminum honeycomb face shape, aluminum honeycomb cell is without obvious
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, may be selected disc cutter of the diameter between 5mm to 30mm.The fiber of covering bonding plane is unidirectionally to arrange
When, the end face that can choose lower knife face has the disc cutter of annular pattern, and the aluminum honeycomb cell end face processed in this way has
Fine unidirectional groove can make the cell end face of fiber insertion aluminum honeycomb in bonding, and so on, it can also be according to fiber
The difference mode of arranging select the end face of lower knife face with annular pattern, centripetal decorative pattern, cross decorative pattern, grid decorative pattern disk
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, not can guarantee 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 is unable to complete processing；When cutting depth is greater 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 the ultrasonic vibration that amplitude less than 20 μm, generates can not effectively cut cellular material, and rush to honeycomb wall
It is unobvious to hit treatment effect；If amplitude is more than 50 μm, cutting and shock surface deteriorate, or even can generate showing for honeycomb wall tearing
As.
In the step S3, when processing by the feed path to aluminum honeycomb to be processed, the disc cutter is being processed
It should first be fed in the process with the feed speed lower than 20mm/min, be gradually increased again after the disc cutter all incision aluminum honeycomb
Then feed speed keeps high feed speed until completing the process, the revolving 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 following advantages:
1. machining accuracy is high, processing quality is good.Present invention cutting force compared with current high-rate wireless LAN method is obvious
It reduces, the aluminum honeycomb workpiece cell deformation processed is smaller, and 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 direction selection 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 period improves the adhesive property of aluminum honeycomb.
6. controllability is high.A kind of ultrasonic cutting of aluminum honeycomb of the present invention and impact integral processing method can pass through number respectively
Control lathe is adjusted feed path, revolving 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, generates blocky or strip chip 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.
Detailed description of the invention
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 technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the ultrasonic cutting of aluminum honeycomb and impact integral processing method signal in a specific embodiment of the invention
Figure, wherein 1~ultrasonic vibration installation, 2~disc cutter, the aluminum honeycomb surface after 3~working process, 4~aluminum honeycomb to be processed, 5
~machine tool fixture, V are feed speed, and A is ultrasonic vibration.
Fig. 2 is the top 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 and a specific embodiment of the invention of conventional method processing
The contrast schematic diagram of bonding.Wherein, 6~covering, the glue tumor that the honeycomb wall of 7~conventional method processing is formed when Nian Jie with covering, 8
The honeycomb wall of~conventional method processing, the honeycomb wall processed in 9~a specific embodiment of the invention, 10~tool of the invention
The glue tumor that the honeycomb wall processed in body embodiment is formed when Nian Jie with covering.
Fig. 5 is the various fine decorative pattern schematic diagrames of the end face of knife face under disc cutter of the invention, 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 present invention processing, 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 is the aluminum honeycomb cell end face pictorial diagram with lateral trench obtained in a specific embodiment of the invention.
Fig. 8 is the aluminum honeycomb pictorial diagram obtained in a specific embodiment of the invention.
Specific embodiment
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
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Such as FIG. 1 to FIG. 4, shown in Fig. 7 and Fig. 8, a kind of ultrasonic cutting of aluminum honeycomb and impact integral processing method have
Following steps:
S1, aluminum honeycomb 4 to be processed is fixed in machine tool fixture 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 the lower knife face of measurement disc cutter 2, the lower knife face of adjustment disc cutter 2
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, starting ultrasonic vibration installation 1 make disc cutter 2 start to vibrate, to frequency stabilization in 20kHz and amplitude stability is 30
After μm, starting machine tool chief axis turns round disc cutter 2 with 1000r/min, adds by feed path to aluminum honeycomb 4 to be processed
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, and the diameter of the disc cutter 2 is 30mm~100mm.
In the step S2, the feed path should ensure that the 2 single cutting depth of 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 processing by the feed path to aluminum honeycomb 4, the disc cutter 2 is in process
In should first be fed with the feed speed lower than 20mm/min, be gradually increased again after the disc cutter 2 all incision aluminum honeycomb into
To speed, high feed speed is then kept until completing the process.
It the honeycomb wall 9 processed in the honeycomb wall 8 and a specific embodiment of the invention that Fig. 4 is processed by conventional method and covers
The contrast schematic diagram that skin 6 is bonded.What the honeycomb wall 9 processed in a specific embodiment of the 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, and volume is 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
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 (5)
1. a kind of ultrasonic cutting of aluminum honeycomb and impact integral processing method, it is characterised in that have following steps:
S1, aluminum honeycomb to be processed is fixed in machine tool fixture, 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, meet the end face run-out of knife face under disc cutter
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, starting ultrasonic vibration installation make disc cutter start to vibrate, and starting machine tool chief axis turns round disc cutter, by feed path pair
Aluminum honeycomb to be processed is processed, and the aluminum honeycomb with required aluminum honeycomb face shape is obtained；
In the step S1, the disc cutter is connected through a screw thread with the ultrasonic vibration installation, knife face under the disc cutter
End face has fine decorative pattern.
2. according to the method described in claim 1, it is characterized by: 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.
3. according to the method described in claim 1, it is characterized by: the feed path should ensure that described in the step S2
Disc cutter single cutting depth is 0.5mm~3mm.
4. according to the method described in claim 1, it is characterized by: the disc cutter is along its axis direction in the step S3
Vibration, vibration frequency are 18KHz~22KHz, and amplitude is 20 μm~30 μm.
5. according to the method described in claim 1, it is characterized by: in the step S3, by the feed path to be processed
When aluminum honeycomb is processed, the disc cutter should first be fed in process with the feed speed lower than 20mm/min, to institute
It states after disc cutter all cuts aluminum honeycomb and feed speed is gradually increased again, then keep high feed speed up to completing the process, institute
The revolving speed for stating disc cutter is 200r/min~2000r/min.
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| 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 |
| 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 |
| 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 |
| CN113894583A (en) * | 2021-10-13 | 2022-01-07 | 大连海事大学 | Flexible supporting and clamping method and device for inner wall of honeycomb material |
| CN114146889B (en) * | 2021-11-15 | 2023-03-24 | 浙江师范大学 | Dual excitation longitudinal-radial mode conversion high-power ultrasonic vibration system |
| CN114227380B (en) * | 2021-12-10 | 2023-10-20 | 国营芜湖机械厂 | Processing method of anti-damage honeycomb material |
| CN114905329B (en) * | 2022-04-06 | 2023-09-26 | 大连理工大学 | Ultrasonic cutting method for curved surface of honeycomb core |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4794836A (en) * | 1987-07-17 | 1989-01-03 | Lockheed Corporation | Honeycomb core cutting tool |
| US4907920A (en) * | 1989-01-18 | 1990-03-13 | The Boeing Company | Milling cutter for honeycomb core material |
| CN2675716Y (en) * | 2004-02-27 | 2005-02-02 | 贺变玲 | Ultrasonic embossing and cutting apparatus |
| WO2014061495A1 (en) * | 2012-10-15 | 2014-04-24 | 住友化学株式会社 | Method for producing honeycomb structure and sealing jig for green honeycomb moulded article |
| CN105499734A (en) * | 2016-01-12 | 2016-04-20 | 芜湖赛宝信息产业技术研究院有限公司 | Method for preparing hexagonal metal honeycomb structure |
| GB2548629A (en) * | 2016-03-25 | 2017-09-27 | Meiban Int Pte Ltd | Honeycomb structured mould insert fabrication |
| CN206605084U (en) * | 2017-03-09 | 2017-11-03 | 江门市骏杰刀具科技有限公司 | A kind of incisory saw blade cutter block of ultrasonic wave processing air cellular material |
| CN206605583U (en) * | 2017-03-09 | 2017-11-03 | 江门市骏杰刀具科技有限公司 | A kind of ultrasonic wave processing cellular material section cutter |
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