CN103111645A - Circular blade applied to ultrasonic machining and method for designing circular blade - Google Patents
Circular blade applied to ultrasonic machining and method for designing circular blade Download PDFInfo
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- CN103111645A CN103111645A CN2013100634498A CN201310063449A CN103111645A CN 103111645 A CN103111645 A CN 103111645A CN 2013100634498 A CN2013100634498 A CN 2013100634498A CN 201310063449 A CN201310063449 A CN 201310063449A CN 103111645 A CN103111645 A CN 103111645A
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Abstract
The invention discloses a circular blade applied to ultrasonic machining and a method for designing the circular blade, and belongs to the technical field of ultrasonic cutters and methods for designing the same. Through grooves are radially and uniformly distributed on the circular blade, and the quantity of the through grooves is an even number. The method includes steps of (A), computing the resonance frequency of the circular blade, creating an ANSYS model to perform finite element analysis, and computing a vibration mode of the circular blade; (B), determining pitch lines; and (C), arranging the through grooves at positions where the pitch lines are overlapped with pitch circles if the pitch circles exist, and arranging the through grooves on the pitch lines if the pitch circles do not exist. The circular blade and the method have the advantages that a cutting tip of the circular blade with the radial grooves can realize an excellent ultrasonic vibration effect, accordingly, composite materials can be precisely cut and machined, and the superiority of ultrasonic vibration machining can be embodied and realized easily.
Description
Technical field
The invention belongs to ultrasonic cutter and method for designing technical field thereof, be specifically related to a kind of circular knife and method for designing thereof that is applied to ultrasonic wave processing.
Background technology
Ultrasonic Machining is a kind of novel processing method that grows up gradually over nearly 40 years, it can not only the processing rigid alloy etc. the hard and brittle metal, and can be applicable to Precision Machining and the processing and forming of semiconductor and nonconducting hard brittle materia, have the incomparable technological effect of common process, have widely and use.
Ultrasonic wave processing cutting tool is arranged on supersonic machining apparatus usually, under hyperacoustic vibration, workpiece is carried out ultrasonic wave processing.Supersonic machining apparatus generally includes supersonic generator, transducer, ultrasonic transformer and cutter.Supersonic generator is transformed into alternating current the supersonic frequency electric oscillation signal of certain power, transducer converts supersonic frequency electric oscillation signal to ultrasonic vibration, hyperacoustic mechanical oscillation are passed to cutter after ultrasonic transformer amplifies, cutter is designed to provide peak swing at free end according to given frequency.Cutter is as the load of ultrasonic transformer, its mechanism size, and quality size and the quality that is connected with ultrasonic transformer have a great impact ultrasonic vibration resonant frequency and service behaviour tool, and machining accuracy is also had a great impact.
The ultrasonic cutter of existing various versions, as disclosed in Chinese patent literature CN200946158 " rolling ball type cutter ", CN201357237 disclosed " column type supersonic machining tool bit " and CN201357303 disclosed " ballpoint tool bit for ultrasonic machining ", although being in various forms of these cutters, but all be applicable to the ultrasonic wave processing of hard brittle material, for the ultrasonic wave processing of composite but can't complete or effect undesirable.
Composite has high than many advantages such as strong, Gao Bimo, high temperature resistant, corrosion-resistant, endurance, quality are light, all is widely used at numerous areas such as Aero-Space, machinery, electronics, the energy.But, due to the characteristic of composite and special institutional framework, make its machining very difficult.Adopt traditional approach to add man-hour, need preparation and the concavo-convex opposite instrument of processed die cavity, complex manufacturing technology, processing cost is high, cycle is long, and in process, has the serious problems such as tool wear, affect machining accuracy and working (machining) efficiency, limited the industrial applications of composite.
In the past, people adopted diamond dust saw blade and forward-reverse spiral milling cutter cutting composite always.But when finding diamond dust saw blade cutting composite in actual production, the fluffing of saw blade fracture is serious, and produces a large amount of heat, and vibration is severe; When using screw-on cutter cutting composite, high and expensive to the lathe requirement, be unsuitable for the batch machining product.
At present, existing circular knife is applied to the Ultrasonic machining of composite, in use often utters long and high-pitched sounds, moment fracture, jeopardize personal safety and cause workpiece to be scrapped, and the cutter hub cutting temperature is high, working (machining) efficiency is low, and crudy is poor.
Summary of the invention
The object of the invention is to overcome the above-mentioned defective of mentioning and deficiency, and a kind of circular knife that is applied to ultrasonic wave processing is provided, be arranged on the ultrasonic cutting machine bed, carry out machining, the cutting composite is satisfactory for result.
The present invention also provides above-mentioned a kind of method for designing that is applied to the circular knife of ultrasonic wave processing.
The present invention realizes that the technical scheme of its purpose employing is as follows.
A kind of circular knife that is applied to ultrasonic wave processing, the radially radial groove that is evenly distributed with of described circular knife, described groove quantity is even number.
Described circular knife comprises integrated boss and disk, and described boss central authorities are provided with installing hole, described disk and the coaxial setting of boss, and described disk edge is provided with the circular knife anterior angle.
Described circular knife is threaded with ultrasonic transformer by screw, and the nut thickness of described screw is less than boss height, and the nut top does not exceed the circular knife lower plane.
The both sides trough rim of described groove overlaps with the circular knife radius, and the angle angle of both sides trough rim≤16 °, the edges and corners circular arc of described groove arranges, and radius of the radian is at 1mm～3mm.
Described groove is circular port, polygonal hole, beading hole or arcuation slotted hole.
The angular range of described circular knife anterior angle is more than or equal to 10 ° and less than or equal to 18 °.
A kind of method for designing that is applied to the circular knife of ultrasonic wave processing comprises the following steps:
(A) determine circular knife material, elastic modulus E, Poisson's ratio μ, density p and anterior angle θ, design circular knife size, and the resonant frequency of calculating circular knife; Set up the ANSYS model and carry out finite element analysis, calculate the mode of oscillation of circular knife;
(B) determine the nodel line that is the distribution of circular knife diameter that Oscillation Amplitude is less than normal from mode of oscillation;
(C) if there is the Oscillation Amplitude pitch circle that is the circular knife circle distribution less than normal in mode of oscillation, offer groove at nodel line and pitch circle overlapping; If there is not pitch circle in mode of oscillation, groove is set on nodel line, described groove is radially radial even distribution.
In step (C), if there is the Oscillation Amplitude pitch circle that is the circular knife circle distribution less than normal in mode of oscillation, described groove inner radius is less than minimum pitch circle inner radius, and described groove outer radius is greater than maximum pitch circle outer radius; If there is not pitch circle in mode of oscillation, the groove inner radius is more than or equal to 1/2nd of the circular knife radius, and the groove outer radius is less than or equal to 4/5ths of circular knife radius.
Described method also comprises:
(D) after the making circular knife is also radially slotted, obtain the required resonant frequency of reality by measuring and revising, with transducer, ultrasonic transformer and screw formation one sound system.
In ultrasonic wave processing, make cutter effectively and work reliably, guarantee precision and the working (machining) efficiency of institute's processing parts, cutter must have good dynamic characteristic.Radially the circular knife of fluting can make its cutting tip produce good ultrasonic vibration effect, thus can be with high accuracy machining composite, and the advantage of ultrasonic vibration processing is more prone to embody and realize.This circular knife can be widely used in as the composite material ultrasonic waves such as glass fibre, carbon fiber, Kafra fiber, various cellular material, pre-soaking fiber material and various foamed materials cutting field.Compare with tradition processing, beneficial effect of the present invention is as follows.
1) working (machining) efficiency can improve.
2) add man-hour cutter hub cutting temperature low.
3) reduce the cutter scrappage.
4) composite processing workpiece cut surface is neat, and suface processing quality is high.
5) improve Workpiece Machining Accuracy.
Description of drawings
Fig. 1 is the circular knife half sectional view;
Fig. 2 is the mode of oscillation figure of the circular knife finite element analysis of embodiment one nodel line several 2;
Fig. 3 is the mode of oscillation figure of the circular knife finite element analysis of embodiment two nodel lines several 3;
Fig. 4 is that embodiment one is without the front view of the circular knife of pitch circle;
Fig. 5 is the front view that embodiment three has the circular knife of pitch circle;
Fig. 6 is the fixedly schematic diagram of radially slot circular knife and ultrasonic main shaft tool ends end;
Fig. 7 is the shape figure of groove;
In figure: 1-boss, 2-installing hole, 3-disk, 4-circular knife anterior angle, 5-groove, 6-screw, 7-ultrasonic transformer, a-nodel line, b-pitch circle.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Ultrasonic machining technology utilizes the energy of ultrasonic vibration that the technology that composite cuts is extensively adopted by US and European as a kind of advanced person's manufacturing process.In whole ultrasonic milling system, cutter is directly material to be cut, and this just just has higher requirement to the development of cutter.Ultrasonic system has an intrinsic frequency, and the value of this intrinsic frequency is relevant with the various Modal Stress of the geometric diameter of cutter, cutter material characteristic.But the numerical computations of intrinsic frequency function is difficult especially, uses many problems of bringing to engineering.
In the ultrasonic vibration system of processing, circular knife is mainly used in half essence, the fine finishining of plane or curved surface.
For convenience of calculation, we provide the resonant frequency approximate calculation of free, the middle uiform section circle thin plate circular knife of fixing of periphery:
Wherein,---resonant frequency (Hz); R---circular knife radius (mm); H---circular knife thickness (mm); μ---pool mulberry coefficient; E---elastic modelling quantity (Pa); ρ---density of material (Kg/m
3); B
ns---vibration shape constant sees Table 1.
Table 1 vibration shape constant B
nsRelation with n, s
| ? | s =0 | s =1 | s =2 | s =3 |
| n =1 | 3.75 | - | 5.4 | … |
| n =2 | 20.91 | - | 30.48 | … |
| n =3 | 60.68 | - | - | … |
| n =4 | 119.7 | - | - | - |
In table: n---the straight line nodel line a number of normal mode vibration distribution of amplitudes;
S---the number of pitch circle b.
By setting intrinsic frequency, can draw vibration constant B
ns, can find straight line nodel line a number n and pitch circle b number s from table 1.
Accompanying drawing 2 is the mode of oscillation figure of the circular knife finite element analysis of embodiment one, and Fig. 3 is the mode of oscillation figure of the circular knife finite element analysis of embodiment two.In mode of oscillation figure, color is darker, and the expression Oscillation Amplitude is less.Wherein, the straight line that color is more deeply the distribution of circular knife diameter is called nodel line a, and the annulus that color is more deeply the circular knife circle distribution is called pitch circle b.Nodel line a and pitch circle b are regional, and the circular knife Oscillation Amplitude is less even can not produce vibration, and this regional material can pin down and limit the vibrating effect of circular knife.
The present invention proposes a kind of circular knife of radially slotting, and is intended to improve the problems referred to above that exist in the circular knife use procedure.
In supersonic vibration cutting processing, do not vibrate near nodel line a and pitch circle b, without the ultrasonic vibration effect, the regional friction of nodel line a and pitch circle b causes pining down and limiting of vibration cutting mode, be unfavorable for cutter work, radially fluting helps to improve the mode of oscillation of ultrasonic vibration work.
Ultrasonic vibration system of processing resonant frequency 20kHz, circular knife diameter D=52mm, circular knife thickness h=1.4mm, the circular knife of the anterior angle θ of circular knife anterior angle 4=14 ゜, cutter material is tool steel, circular knife material and heat treatment should be satisfied the functional reliability requirement, can work within the cutting time of regulation, abnormal fracture can not occur.Elastic modulus E=2e11Pa, Poisson's ratio μ=0.3, density p=7800Kg/m
3, the circular knife that can obtain radially slotting, Fig. 4 is seen in structural representation.The groove design concrete steps are.
(1) calculate diameter 52mm circular knife resonant frequency; Set up the ANSYS model and carry out finite element analysis, calculate the mode of oscillation of circular knife.
In cylindrical coordinate, the free oscillation crosswise differential equation of circular cutter is:
In formula: D-bending strength, D=2EH
3/ [3 (1-v
2)], the w-lateral amplitude of vibration; The m-mass area ratio, m=2H ρ; E, v, the elastic modelling quantity of ρ-circular cutter, Poisson is density when.
Boundary condition: at the r=b place, amount of deflection and slope are zero.I.e. [w]
r=b=0; [
w/
R]=0.Use the knowledge of the separation of variable and Bessel equation, obtain at last:
Constant C
1, C
2, C
3, C
4Ratio determined by boundary condition, actual value is still needed and is further determined by primary condition.Constant θ
0Determined by primary condition.
In ultrasonic wave processing, make cutter effectively and work reliably, guarantee precision and the working (machining) efficiency of institute's processing parts, cutter must have good dynamic characteristic, therefore, needs cutter is carried out model analysis.But the numerical computations due to above-mentioned function is difficult especially, uses many problems of bringing to engineering.And the ANSYS finite element modeling can well carry out model analysis calculating, therefore adopts this model to provide a great convenience for carrying out smoothly of this work.
The value of intrinsic frequency is relevant with the various Modal Stress of the geometric diameter of cutter, cutter material characteristic.Model analysis is mainly used in intrinsic frequency and the mode of computation structure, and can show by some figures and animation the situation of the relevant vibration shape.By the finite element modal analysis to circular knife, can find our the needed suitable vibration shape and intrinsic frequency, make whole ultrasonic vibration system can better be operated in the resonant condition of wanting.
In the ANSYS Finite Element Analysis Modeling, set up the threedimensional model of circular cutter, according to designing requirement setup unit type and material properties, then threedimensional model is carried out grid and divide, form FEM model.
The situation of θ=14 ゜ before analyzing in ANSYS, is carried out model analysis to the resonant frequency of cutter and need do not added any load and constraint.Because designed resonant frequency is 20kHz, find the solution the time and obtain required solution for shortening, find the solution frequency range and be set as 15000 to 25000Hz, get afterwards by analysis three rank mode, determine the frequency of each rank mode.
Vibration shape according to the vibration-mode analysis cutter.Cutter is the symmetric curvature vibration, and maximum displacement is conducive to the processing to material at the edge of cutter, and distortion also meets the requirements.
(2) determine the nodel line a that is the distribution of circular knife diameter that Oscillation Amplitude is less than normal from mode of oscillation; Can find out that according to the mode figure of Fig. 2 nodel line a has 2.
(3) draw this state in the mode figure according to Fig. 2 without pitch circle b.Groove 5 is set on nodel line a, is symmetrical arranged 2 grooves 5 on every nodel line a, therefore open altogether 4 grooves 5.Same nodel line a all is symmetrically arranged with groove 5 in the both sides of installing hole 2, therefore the number of groove 5 is the even-multiple of nodel line a number.The angle of adjacent groove 5 is 90 °.
(4) after the making circular knife is also radially slotted, obtain the required resonant frequency of reality by measuring and revising, with transducer, ultrasonic transformer 7 and screw 6 formation one sound systems.
Therefore, the circular knife structure that obtains is as follows.
Described circular knife comprises integrated boss 1 and disk 3, and described boss 1 central authorities are provided with installing hole 2, described disk 3 and the coaxial setting of boss 1, and described disk 3 edges are provided with circular knife anterior angle 4.The number of degrees of circular knife anterior angle 4 directly have influence on cutting sharpness, cutting force, crudy and stock-removing efficiency.The angle of this enforcement circular knife anterior angle 4 equals 14 °.
Described circular knife is radially radial is evenly distributed with 4 grooves 5.The both sides trough rim of same groove 5 overlaps with the circular knife radius, and 10 ° of the angle angles of both sides trough rim.The corner angle circular arc of described groove 5 arranges, and arc radius is 1mm, and the stress of avoiding bringing because of the abrupt change of cross-section is concentrated.
Described circular knife is threaded with ultrasonic transformer 7 by screw 6, and the nut thickness of described screw 6 is less than boss 1 height, and the nut top does not exceed the circular knife lower plane.
The circular knife of embodiment 1 does not have howling when working, good operating stability, and the workpiece crudy is good, and otch section neatly smooth, nothing is torn.
Ultrasonic vibration system of processing resonant frequency 20kHz, circular knife diameter D=25mm, circular knife thickness h=1.4mm, the circular knife of the anterior angle θ of circular knife anterior angle 4=14 ゜, cutter material is tool steel, circular knife material and heat treatment should be satisfied the functional reliability requirement, can work within the cutting time of regulation, abnormal fracture can not occur.Elastic modulus E=2e11Pa, Poisson's ratio μ=0.3, density p=7800Kg/m
3, can obtain the circular knife of radially slotting.The groove design concrete steps are.
(1) design diameter 25mm circular knife structure chart, set up the ANSYS model and carry out finite element analysis, calculate the mode of oscillation of circular knife.
(2) determine that from mode of oscillation the Oscillation Amplitude nodel line a number that is the distribution of circular knife diameter less than normal is 3, as shown in Figure 3.
(3) do not have pitch circle b in mode of oscillation, groove 5 is set on nodel line a, described groove 5 is radially radial even distribution.Groove 5 inner radius equal 3/5ths of circular knife radius, and groove 5 outer radius equal 7/10ths of circular knife radius.
(4) after the making circular knife is also radially slotted, obtain the required resonant frequency of reality by measuring and revising, with transducer, ultrasonic transformer 7 and screw 6 formation one sound systems.
Therefore, the circular knife structure that obtains is as follows.
The angle of this enforcement circular knife anterior angle 4 equals 14 °.
Described circular knife is radially radial is evenly distributed with 6 grooves 5.The both sides trough rim of described groove 5 overlaps with the circular knife radius, and 16 ° of the angle angles of both sides trough rim.The corner angle circular arc of described groove 5 arranges, and arc radius is 3mm.
All the other are identical with embodiment 1, repeat no more.
The circular knife of embodiment 2 does not have howling when working, good operating stability, and the workpiece crudy is good, and otch section neatly smooth, nothing is torn.
Ultrasonic vibration system of processing resonant frequency 20kHz, circular knife diameter D=102mm, circular knife thickness h=9mm, the circular knife of the anterior angle θ of circular knife anterior angle 4=18 ゜, cutter material is tool steel, elastic modulus E=2e11Pa, Poisson's ratio μ=0.3, density p=7800Kg/m3, the circular knife that can obtain radially slotting.The groove design concrete steps are.
(1) design circular knife structure chart, set up the ANSYS model and carry out finite element analysis, calculates the mode of oscillation of circular knife.
(2) determine that from mode of oscillation the Oscillation Amplitude nodel line a that is the distribution of circular knife diameter less than normal is 2, as shown in Figure 5.
(3) have Oscillation Amplitude two pitch circle b that are the circular knife circle distribution less than normal in mode of oscillation, described groove 5 inner radius are less than minimum pitch circle b inner radius, and described groove 5 outer radius are greater than maximum pitch circle b outer radius, as shown in Figure 5.
(4) after the making circular knife is also radially slotted, obtain the required resonant frequency of reality by measuring and revising, with transducer, ultrasonic transformer 7 and screw 6 formation one sound systems.
Therefore, the circular knife structure that obtains is as follows.
The angle of this enforcement circular knife anterior angle 4 equals 18 °.
Described circular knife is radially radial is evenly distributed with 4 grooves 5.The both sides trough rim of described groove 5 overlaps with the circular knife radius, and 14 ° of the angle angles of both sides trough rim, and the corner angle circular arc of described groove 5 arranges.
All the other are identical with embodiment 1, repeat no more.
The circular knife of embodiment 3 does not have howling when working, good operating stability, and the workpiece crudy is good, and otch section neatly smooth, nothing is torn.
In the technical program, described groove 5 can also be circular port, polygonal hole, beading hole or arcuation slotted hole
Or other equivalent figures, as shown in Figure 7.
The present invention is illustrated according to embodiment, and under the prerequisite that does not break away from the principle of the invention, this device can also be made some distortion and improvement, as calculating mode of oscillation with analytic method or transformed matrix method.Should be pointed out that all employings are equal to the technical scheme that the modes such as replacement or equivalent transformation obtain, and all drop in protection scope of the present invention.
Claims (9)
1. one kind is applied to the circular knife that ultrasonic wave is processed, and it is characterized in that: the radially radial groove (5) that is evenly distributed with of described circular knife, described groove (5) quantity is even number.
2. a kind of circular knife that is applied to ultrasonic wave processing as claimed in claim 1, it is characterized in that: described circular knife comprises integrated boss (1) and disk (3), described boss (1) central authorities are provided with installing hole (2), described disk (3) and the coaxial setting of boss (1), and described disk (3) edge is provided with circular knife anterior angle (4).
3. a kind of circular knife that is applied to ultrasonic wave processing as claimed in claim 2, it is characterized in that: described circular knife is threaded with ultrasonic transformer (7) by screw (6), the nut thickness of described screw (6) less than boss (1) highly, the nut top does not exceed the circular knife lower plane.
4. a kind of circular knife that is applied to ultrasonic wave processing as described in claim 1 or 3, it is characterized in that: the both sides trough rim of described groove (5) overlaps with the circular knife radius, and the angle angle of both sides trough rim≤16 °, the edges and corners circular arc of described groove (5) arranges, and radius of the radian is at 1mm～3mm.
5. a kind of circular knife that is applied to ultrasonic wave processing as described in claim 1 or 3, it is characterized in that: described groove (5) is circular port, polygonal hole, beading hole or arcuation slotted hole.
6. a kind of circular knife that is applied to ultrasonic wave processing as claimed in claim 2 is characterized in that: the angular range of described circular knife anterior angle (4) is for more than or equal to 10 ° and less than or equal to 18 °.
7. a kind of method for designing that is applied to the circular knife of ultrasonic wave processing as claimed in claim 1 is characterized in that said method comprising the steps of:
(A) determine circular knife material, elastic modulus E, Poisson's ratio μ, density p and anterior angle θ, design circular knife size, and the resonant frequency of calculating circular knife; Set up the ANSYS model and carry out finite element analysis, calculate the mode of oscillation of circular knife;
(B) determine the nodel line (a) that is the distribution of circular knife diameter that Oscillation Amplitude is less than normal from mode of oscillation;
(C) if there is the Oscillation Amplitude pitch circle that is the circular knife circle distribution (b) less than normal in mode of oscillation, offer groove (5) at nodel line (a) and pitch circle (b) overlapping; If there is not pitch circle (b) in mode of oscillation, groove (5) is set on nodel line (a), described groove (5) is radially radial even distribution.
8. a kind of method for designing that is applied to the circular knife of ultrasonic wave processing as claimed in claim 7, it is characterized in that: in step (C), if there is the Oscillation Amplitude pitch circle that is the circular knife circle distribution (b) less than normal in mode of oscillation, described groove (5) inner radius is less than minimum pitch circle (b) inner radius, and described groove (5) outer radius is greater than maximum pitch circle (b) outer radius; If there is not pitch circle (b) in mode of oscillation, groove (5) inner radius is more than or equal to 1/2nd of circular knife radius, and groove (5) outer radius is less than or equal to 4/5ths of circular knife radius.
9. a kind of method for designing that is applied to the circular knife of ultrasonic wave processing as claimed in claim 7 is characterized in that described method also comprises:
(D) after the making circular knife is also radially slotted, obtain the required resonant frequency of reality by measuring and revising, with transducer, ultrasonic transformer and screw formation one sound system.
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| CN105855632A (en) * | 2015-01-21 | 2016-08-17 | 成都飞机工业（集团）有限责任公司 | Cutter suitable for ultrasonic cutting machine tool to machine composite materials |
| CN110779611A (en) * | 2019-05-24 | 2020-02-11 | 南京航空航天大学 | Method and system for calibrating longitudinal vibration frequency of cutter bar of ultrasonic scalpel |
| TWI702535B (en) * | 2019-11-15 | 2020-08-21 | 財團法人工業技術研究院 | Modeling apparatus and method of mechanistic force for milling unidirectional fiber reinforced polymer |
| CN113477997A (en) * | 2021-07-27 | 2021-10-08 | 杭州电子科技大学 | Ultrasonic arc blade saw blade milling cutter for machining wave-absorbing honeycomb |
| CN114274210A (en) * | 2021-12-29 | 2022-04-05 | 杭州电子科技大学 | Inhale fine processing of ripples honeycomb and cut disc cutter with supersound lace and disc cutter subassembly |
| CN117124371A (en) * | 2023-10-26 | 2023-11-28 | 成都飞机工业（集团）有限责任公司 | Ultrasonic disc cutter and processing method thereof |
| CN118129888A (en) * | 2024-05-07 | 2024-06-04 | 中国机械总院集团江苏分院有限公司 | Method for detecting vibration parameters of ultrasonic cutting circular knife |
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| CN105855632A (en) * | 2015-01-21 | 2016-08-17 | 成都飞机工业（集团）有限责任公司 | Cutter suitable for ultrasonic cutting machine tool to machine composite materials |
| CN110779611A (en) * | 2019-05-24 | 2020-02-11 | 南京航空航天大学 | Method and system for calibrating longitudinal vibration frequency of cutter bar of ultrasonic scalpel |
| TWI702535B (en) * | 2019-11-15 | 2020-08-21 | 財團法人工業技術研究院 | Modeling apparatus and method of mechanistic force for milling unidirectional fiber reinforced polymer |
| CN113477997A (en) * | 2021-07-27 | 2021-10-08 | 杭州电子科技大学 | Ultrasonic arc blade saw blade milling cutter for machining wave-absorbing honeycomb |
| CN114274210A (en) * | 2021-12-29 | 2022-04-05 | 杭州电子科技大学 | Inhale fine processing of ripples honeycomb and cut disc cutter with supersound lace and disc cutter subassembly |
| CN114274210B (en) * | 2021-12-29 | 2024-04-05 | 杭州电子科技大学 | Ultrasonic lace scribing and cutting disc cutter for wave-absorbing honeycomb finish machining and disc cutter assembly |
| CN117124371A (en) * | 2023-10-26 | 2023-11-28 | 成都飞机工业（集团）有限责任公司 | Ultrasonic disc cutter and processing method thereof |
| CN117124371B (en) * | 2023-10-26 | 2024-03-15 | 成都飞机工业（集团）有限责任公司 | Ultrasonic disc cutter and processing method thereof |
| CN118129888A (en) * | 2024-05-07 | 2024-06-04 | 中国机械总院集团江苏分院有限公司 | Method for detecting vibration parameters of ultrasonic cutting circular knife |
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| CN103111645B (en) | 2016-04-27 |
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