CN111283381A - Back chipping tool for ultrasonic plane machining - Google Patents
Back chipping tool for ultrasonic plane machining Download PDFInfo
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- CN111283381A CN111283381A CN202010258030.8A CN202010258030A CN111283381A CN 111283381 A CN111283381 A CN 111283381A CN 202010258030 A CN202010258030 A CN 202010258030A CN 111283381 A CN111283381 A CN 111283381A
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- rolling roller
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- 238000003754 machining Methods 0.000 title claims abstract description 27
- 238000005096 rolling process Methods 0.000 claims abstract description 79
- 238000012545 processing Methods 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 abstract description 10
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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Classifications
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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
- B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
- B23P9/02—Treating or finishing by applying pressure, e.g. knurling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses a back chipping cutter for ultrasonic plane machining, and relates to the technical field of machining cutters. Ultrasonic wave is back chipping cutter for plane machining, including the casing, rotate the setting and be in handle of a knife in the casing, with set up tool bit subassembly on the handle of a knife, tool bit subassembly is including setting up ultrasonic transducer in the handle of a knife sets up ultrasonic transducer goes up and stretches out the amplitude transformer of handle of a knife to and two at least rotation settings are in the roll extrusion roller that can carry out roll extrusion to the right angle corner on two planes of work piece of amplitude transformer tip, the casing with be provided with between the handle of a knife with the electrically conductive sliding ring that ultrasonic transducer electricity is connected. The back chipping cutter for ultrasonic plane machining solves the problem that back chipping cannot be performed in a rolling mode at right-angle corners of two planes of a workpiece.
Description
Technical Field
The invention relates to the technical field of machining cutters, in particular to a back chipping cutter for ultrasonic plane machining.
Background
The ultrasonic rolling equipment is equipment for rolling the surface of a workpiece to realize workpiece surface strengthening by driving an extrusion cutter to move by ultrasonic vibration, and the working principle of the ultrasonic rolling equipment is that certain pressure is applied to the metal on the surface layer of the workpiece by using the cold plasticity characteristic of the metal under the normal state and a special strengthening tool to enable the metal to generate plastic flow, and as a result, the original microscopic wave crests on the surface of the workpiece are ironed to enable the original microscopic wave crests to be filled into wave troughs, so that the surface quality of the workpiece is improved.
But the processing limitation of the right angle corner in two planes of plane class work piece is great, and traditional ultrasonic wave roll extrusion processing equipment that is used for processing plane class work piece can't carry out roll extrusion processing to the right angle corner in two planes of work piece, consequently, in order to satisfy the demand in market, solves the problem that the unable roll extrusion processing back chipping of the right angle corner in two planes of work piece, and the back chipping cutter is used in ultrasonic wave plane processing that needs research and development rational in infrastructure, function stability urgently.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the back gouging tool for ultrasonic plane machining, which solves the problem that the right-angle corners of two planes of a workpiece can not be subjected to back gouging by rolling.
In order to solve the technical problems, the invention adopts the technical scheme that:
ultrasonic wave is back chipping cutter for plane machining, including the casing, rotate the setting and be in handle of a knife in the casing, with set up tool bit subassembly on the handle of a knife, tool bit subassembly is including setting up ultrasonic transducer in the handle of a knife sets up ultrasonic transducer goes up and stretches out the amplitude transformer of handle of a knife to and two at least rotation settings are in the roll extrusion roller that can carry out roll extrusion processing to the right angle corner on two planes of work piece of amplitude transformer tip, the casing with be provided with between the handle of a knife with the electrically conductive sliding ring that ultrasonic transducer electricity is connected.
The ultrasonic transducer comprises an ultrasonic transducer, a rolling roller and an amplitude transformer, wherein the amplitude transformer comprises an amplitude transformer body arranged on the ultrasonic transducer and an end cover arranged at the end part of the amplitude transformer body, an installation space matched with the rolling roller is arranged between the end cover and the amplitude transformer body, and the rolling roller is rotatably arranged in the installation space.
The end cover is provided with a containing groove, the containing groove comprises a placing section and a profiling section, the placing section is used for placing the rolling roller into the containing groove, the profiling section is matched with the rolling roller, the placing section and the profiling section are arranged along the axial direction of the end cover and are intersected with the peripheral side face of the end cover, the profiling section is also intersected with the end face of the end cover, and the installation space is defined by the containing groove and the end face of the amplitude transformer body.
The axis of the rolling roller is perpendicular to the axis of the amplitude transformer, and the outer end face of the rolling roller is tangent to the peripheral side face of the end cover.
And a limiting structure used for limiting the rolling roller in the radial direction is arranged between the rolling roller and the groove wall of the accommodating groove.
The limiting structure comprises an annular limiting groove arranged on the rolling roller and an arc-shaped limiting block which is arranged in the accommodating groove in a protruding mode and matched with the annular limiting groove.
The rolling rollers are arranged in three numbers, and the three rolling rollers are in a circular array.
Wherein the knife handle is a BT series knife handle or an HSK series knife handle.
The shell is internally provided with a limiting boss in a radial protruding mode, one side of the limiting boss is provided with a limiting groove, a clamp spring is arranged in the limiting groove, and the conductive sliding ring is arranged between the limiting boss and the clamp spring.
The two ends of the shell are respectively provided with a rotating bearing, the tool shank is arranged in the two rotating bearings, and the limiting boss and the clamp spring are located between the two rotating bearings.
By adopting the technical scheme, the invention has the beneficial effects that:
the back gouging tool for ultrasonic plane processing is characterized in that an ultrasonic transducer is arranged in a tool handle, an amplitude transformer is arranged on the ultrasonic transducer, at least two rolling rollers are arranged at the end part of the amplitude transformer, when the back gouging tool for ultrasonic plane processing is used, the back gouging tool for ultrasonic plane processing is arranged on processing equipment (such as a processing center or a milling machine), the rolling rollers are pressed on a plane to be processed of a workpiece, the tool handle is driven to rotate by the processing equipment to drive a tool bit assembly arranged on the tool handle to rotate, a high-frequency alternating current signal which is converted by an ultrasonic generator and is matched with the ultrasonic transducer is transmitted to the ultrasonic transducer by a conductive sliding ring to drive the ultrasonic transducer to work, the ultrasonic transducer transmits energy to the rolling rollers by the amplitude transformer, and the rotating rolling rollers perform ultrasonic rolling processing on the plane to be processed, the rolling roller can be attached to the root parts of the right-angle corners of the two planes of the workpiece when the plane rolling processing is carried out, so that the problem that the traditional ultrasonic rolling equipment cannot carry out back chipping on the right-angle corners of the two planes of the workpiece is well solved on the premise of ensuring the rolling efficiency and quality; the rolling rollers are at least two, so that the balance degree of the cutter head assembly in the rotating rolling process is guaranteed, and the rolling rollers form surface rolling processing in the rotating rolling process, so that the metal surface is more fully deformed, the obtained processed surface has smaller roughness and higher strength and hardness, and the working efficiency is improved; in addition, the conductive slip ring electrically connected with the ultrasonic transducer is arranged between the shell and the knife handle, so that the problem of wire winding is solved.
Drawings
FIG. 1 is a schematic structural view of a back gouging tool for ultrasonic surface machining according to the present invention;
FIG. 2 is a cross-sectional view of the back gouging tool for ultrasonic flat surface machining in accordance with the present invention;
FIG. 3 is a schematic structural diagram of a cutter head assembly of the back gouging cutter for ultrasonic plane machining according to the present invention;
FIG. 4 is a schematic (enlarged) view of the end cap of FIG. 3;
FIG. 5 is a schematic view of another tool tip assembly of the ultrasonic face-cutting back tool of the present invention;
FIG. 6 is a schematic view of the structure of the horn of FIG. 5;
FIG. 7 is a schematic (enlarged) view of the end cap of FIG. 5;
in the figure: 1-shell, 11-limiting boss, 12-shell, 13-first bearing cover, 14-second bearing cover, 15-socket, 2-handle of a knife, 3-ultrasonic transducer, 4-amplitude transformer, 41-amplitude transformer body, 42-end cover, 43-containing groove, 431-placing section, 432-profiling section, 44-arc limiting block, 45-mounting groove, 46-mounting block, 47-pin hole, 48-pin hole, 5-workpiece, 51-plane, 52-plane, 6-rolling roller, 61 annular limiting groove, 7-conductive slip ring, 8-snap spring, 9-rolling bearing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 4, the back gouging tool for processing the ultrasonic plane comprises a housing 1, a tool shank 2 rotatably arranged in the housing 1, and a tool bit assembly arranged on the tool shank 2, wherein the tool bit assembly comprises an ultrasonic transducer 3 arranged in the tool shank 2, an amplitude transformer 4 arranged on the ultrasonic transducer 3 and extending out of the tool shank 2, and at least two rolling rollers 6 rotatably arranged on the amplitude transformer 4 and capable of performing rolling processing on right-angle corners of two planes of a workpiece 5, and a conductive slip ring 7 electrically connected with the ultrasonic transducer 3 is arranged between the housing 1 and the tool shank 2.
The housing 1 in this embodiment includes a housing 12, and a first bearing cover 13 and a second bearing cover 14 respectively fastened to both ends of the housing 12.
Wherein, the casing 12 is provided with a limiting boss 11 in the radial direction, one side of the limiting boss 11 is provided with a limiting groove (not shown in the figure), the limiting groove is provided with a clamp spring 8, and the conductive slip ring 7 is arranged between the limiting boss 11 and the clamp spring 8. Since the conductive slip ring 7 is a precision power transmission device commonly used in the modern industrial development, in the present embodiment, the tool holder 2 mainly used for relative rotation and the socket 15 on the housing 1 are electrically connected reliably, which belongs to the prior art, and therefore, no further description is given here.
Because the rotating bearings have the advantages of reducing the friction coefficient and ensuring the rotation precision, the two ends of the shell 12 are respectively provided with the rotating bearings 9, and the tool holder 2 is arranged in the two rotating bearings 9 and is respectively fixed in the shell 12 through the first bearing cover 13 and the second bearing cover 14; the limiting boss 11 and the clamp spring 8 are positioned between the two rotating bearings 9. The two rotating bearings 9 are used for supporting the tool shank 2, so that the friction coefficient of the tool shank 2 in the movement process is reduced, the rotation precision of the tool shank 2 is ensured, and the rolling processing quality is improved.
As shown in fig. 1 to 4, the horn 4 in this embodiment includes a horn body 41 disposed on the ultrasonic transducer 3 and an end cap 42 disposed at an end of the horn body 41, an installation space adapted to the rolling roller 6 is disposed between the end cap 42 and the horn body 41, and the rolling roller 6 is rotatably disposed in the installation space, wherein the end cap 42 is fixed at the end of the horn body 41 by a locking screw (not shown in the drawings), and of course, the end cap 42 may also be fixedly installed by mortise and tenon joints or by pins.
In practical application, the horn body 41 and the end cap 42 may also adopt the connection form shown in fig. 5 to 7, wherein a plurality of mounting grooves 45 are circumferentially arranged on the horn body 41, and each mounting groove 45 is in a circular array and extends along the axial direction of the horn body 41; a plurality of mounting blocks 46 adapted to the mounting grooves 45 are circumferentially arranged on the end cover 42, each mounting block 46 is in a circular array and extends along the axial direction of the end cover 42, a pin hole 47 penetrating through the mounting groove 45 is arranged on the mounting groove 45, a pin hole 48 penetrating through the mounting block 46 is arranged on the mounting block 46, and the mounting block 46 and the mounting groove 45 are connected through a pin (not shown in the figure) arranged in the pin hole 47 and the pin hole 48.
In the present embodiment, the end cap 42 is provided with an accommodating groove 43, the accommodating groove 43 includes an accommodating section 431 for accommodating the rolling roller 6 into the accommodating groove 43 and a profiling section 432 adapted to the rolling roller 6, the accommodating section 431 and the profiling section 432 are arranged along the axial direction of the end cap 42 and both intersect with the peripheral side surface of the end cap 42, so that the outer end surface of the rolling roller 6 is exposed out of the peripheral side surface of the end cap 42; the profiling section 432 is also intersected with the end face of the end cap 42, so that the cylindrical surface of the rolling roller 6 is exposed out of the end face of the end cap 42, and the installation space is enclosed by the accommodating groove 43 and the end face of the amplitude transformer body 41. In practical application, the installation space may also be defined by the accommodating groove 43 and the arc-shaped groove provided on the horn body 41, which is not limited in this embodiment.
As shown in fig. 3 and 4, in the present embodiment, a limiting structure is disposed between the rolling roller 6 and the groove wall of the accommodating groove 43 for radially limiting the rolling roller 6. Through setting up limit structure, avoided the roll extrusion roller 6 to fall out from between end cover 42 and the width of cloth pole body 41, guaranteed the stability of back chipping cutter during operation.
Specifically, limit structure is including setting up annular spacing groove 61 on roll extrusion roller 6 and the protrusion sets up the arc stopper 44 with annular spacing groove 61 looks adaptation in storage tank 43, and wherein, arc stopper 44 is provided with two, and two spacing 44 symmetries of arc set up on the cell wall of storage tank 43 soon.
As shown collectively in fig. 1 to 3, in the present embodiment, the axis of the rolling roller 6 is arranged perpendicular to the axis of the horn 4, and the outer end surface of the rolling roller 6 is tangent to the peripheral side surface of the end cap 42. In practical applications, the rolling rollers 6 may also extend out of the end cap 42, and are designed according to the machining requirements, which is not limited in this embodiment.
As shown in fig. 1 to 4, the number of the rolling rollers 6 in this embodiment is preferably three, the three rolling rollers 6 are arranged in a circular array, and correspondingly, the number of the accommodating grooves 43 on the end cover 42 is also three, in practical applications, the number of the rolling rollers 6 is not limited, and the rolling rollers may be designed according to processing requirements, and this embodiment is not limited in this respect.
As shown in fig. 1 and 2 together, the tool shank 2 in the present embodiment is preferably a BT-series tool shank or an HSK-series tool shank.
As shown in fig. 1 and fig. 2, in this embodiment, the direct corner of the workpiece 5 is formed by a plane 51 and a plane 52 which are perpendicular to each other, taking the rolling plane 51 as an example, when in use, the back gouging tool for ultrasonic plane machining is installed on a machining device (such as a machining center or a milling machine), the rolling roller 6 is pressed on the plane 51, the machining device drives the tool shank 2 to rotate, the tool bit assembly installed on the tool shank 2 is driven to rotate, the high-frequency alternating current signal which is converted by the ultrasonic generator and is matched with the ultrasonic transducer 3 is transmitted to the ultrasonic transducer 3 through the conductive slip ring 7, the ultrasonic transducer 3 is driven to operate, the ultrasonic transducer 3 transmits energy to the rolling roller 6 through the amplitude transformer 4, and the plane 51 is subjected to ultrasonic rolling machining by the rotating rolling roller 6. In the process of ultrasonic rolling, because the outer end face of the rolling roller 6 can be close to the plane 52, and the rolling roller 6 can roll the plane 51 close to the plane 52, namely, the right-angled corners of the plane 51 and the plane 52, the problem that the traditional ultrasonic rolling equipment cannot perform back chipping on the right-angled corners of the two planes of the workpiece 5 is well solved on the premise of ensuring the rolling efficiency and quality; in addition, three rolling rollers 6 are arranged in the embodiment, so that the balance degree of the cutter head assembly in the rotating and rolling process is ensured, and the surface rolling process is formed in the rotating and rolling process of the rolling rollers 6, so that the deformation of the metal surface is more sufficient, the obtained processed surface has smaller roughness and higher strength and hardness, and the working efficiency is improved; in addition, the conductive slip ring 7 electrically connected with the ultrasonic transducer 3 is arranged between the shell 1 and the cutter handle 2, so that the problem of wire winding is solved.
The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without departing from the spirit and scope of the present invention.
Claims (10)
1. The back chipping cutter for ultrasonic plane processing is characterized by comprising a shell, a cutter handle and a cutter head assembly, wherein the cutter handle is rotatably arranged in the shell, the cutter head assembly is arranged on the cutter handle,
the tool bit assembly comprises an ultrasonic transducer arranged in the tool handle, an amplitude transformer arranged on the ultrasonic transducer and extending out of the tool handle, and at least two rolling rollers rotatably arranged at the end part of the amplitude transformer and capable of performing rolling processing on right-angle corners of two planes of a workpiece, wherein a conductive slip ring electrically connected with the ultrasonic transducer is arranged between the shell and the tool handle.
2. The back gouging tool for ultrasonic planar machining according to claim 1, wherein the horn comprises a horn body disposed on the ultrasonic transducer and an end cap disposed at an end of the horn body, an installation space adapted to the rolling roller is disposed between the end cap and the horn body, and the rolling roller is rotatably disposed in the installation space.
3. The back gouging tool for ultrasonic plane machining according to claim 2, wherein the end cap is provided with a receiving groove, the receiving groove includes a receiving section for receiving the rolling roller into the receiving groove and a profiling section adapted to the rolling roller, the receiving section and the profiling section are arranged along an axial direction of the end cap and intersect with a peripheral side surface of the end cap, the profiling section further intersects with an end surface of the end cap, and the installation space is defined by the receiving groove and the end surface of the horn body.
4. The ultrasonic back-gouging tool for flat surface machining according to claim 3, wherein an axis of said rolling roller is arranged perpendicular to an axis of said horn, and an outer end surface of said rolling roller is tangent to a peripheral side surface of said end cap.
5. The back gouging tool for ultrasonic wave plane machining according to claim 4, wherein a limiting structure for radially limiting the rolling roller is provided between the rolling roller and a groove wall of the accommodating groove.
6. The back gouging tool for ultrasonic wave surface machining according to claim 5, wherein the limiting structure comprises an annular limiting groove provided on the rolling roller, and an arc-shaped limiting block which is convexly provided in the accommodating groove and is matched with the annular limiting groove.
7. The ultrasonic back-gouging tool for flat surface machining according to claim 1, wherein there are three said rolling rollers, said three rolling rollers being in a circular array.
8. The back gouging tool for ultrasonic flat surface machining according to any one of claims 1 to 7, wherein the tool shank is a BT series tool shank or an HSK series tool shank.
9. The back gouging tool for ultrasonic wave plane machining according to any one of claims 1 to 7, wherein a limiting boss is provided in the housing in a protruding manner, a limiting groove is provided on one side of the limiting boss, a clamp spring is provided in the limiting groove, and the conductive slip ring is provided between the limiting boss and the clamp spring.
10. The back gouging tool for ultrasonic wave plane machining according to claim 9, wherein rotary bearings are respectively arranged at two ends of the housing, the tool shank is arranged in the two rotary bearings, and the limiting boss and the clamp spring are located between the two rotary bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010258030.8A CN111283381A (en) | 2020-04-03 | 2020-04-03 | Back chipping tool for ultrasonic plane machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010258030.8A CN111283381A (en) | 2020-04-03 | 2020-04-03 | Back chipping tool for ultrasonic plane machining |
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| Publication Number | Publication Date |
|---|---|
| CN111283381A true CN111283381A (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010258030.8A Pending CN111283381A (en) | 2020-04-03 | 2020-04-03 | Back chipping tool for ultrasonic plane machining |
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| Country | Link |
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| CN (1) | CN111283381A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199259A (en) * | 2021-05-19 | 2021-08-03 | 沈阳航空航天大学 | Ultrasonic milling and ultrasonic rolling integrated processing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006022592A1 (en) * | 2004-08-26 | 2006-03-02 | Agency For Science, Technology And Research | Apparatus for ultrasonic vibration-assisted machining |
| CN101851701A (en) * | 2010-04-14 | 2010-10-06 | 赵显华 | Ultrasonic metal surface processing device used for processing plane on milling machine or boring machine |
| CN104827239A (en) * | 2015-04-07 | 2015-08-12 | 济南大学 | Multi-head rolling surface polishing cutter |
| CN207289346U (en) * | 2017-09-06 | 2018-05-01 | 山东天瑞重工有限公司 | A kind of ultrasonic wave rolling and processing back chipping cutter head |
| CN109048203A (en) * | 2018-06-08 | 2018-12-21 | 燕山大学 | A kind of fixed device of oscillating bearing ultrasonic vibration rolling flange |
| CN211840831U (en) * | 2020-04-03 | 2020-11-03 | 山东聚亿能智能科技有限公司 | Back chipping tool for ultrasonic plane machining |
-
2020
- 2020-04-03 CN CN202010258030.8A patent/CN111283381A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006022592A1 (en) * | 2004-08-26 | 2006-03-02 | Agency For Science, Technology And Research | Apparatus for ultrasonic vibration-assisted machining |
| CN101851701A (en) * | 2010-04-14 | 2010-10-06 | 赵显华 | Ultrasonic metal surface processing device used for processing plane on milling machine or boring machine |
| CN104827239A (en) * | 2015-04-07 | 2015-08-12 | 济南大学 | Multi-head rolling surface polishing cutter |
| CN207289346U (en) * | 2017-09-06 | 2018-05-01 | 山东天瑞重工有限公司 | A kind of ultrasonic wave rolling and processing back chipping cutter head |
| CN109048203A (en) * | 2018-06-08 | 2018-12-21 | 燕山大学 | A kind of fixed device of oscillating bearing ultrasonic vibration rolling flange |
| CN211840831U (en) * | 2020-04-03 | 2020-11-03 | 山东聚亿能智能科技有限公司 | Back chipping tool for ultrasonic plane machining |
Non-Patent Citations (1)
| Title |
|---|
| 马福昌: "《金属切削原理及应用》", 31 January 1982, 山东科学技术出版社, pages: 730 - 731 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199259A (en) * | 2021-05-19 | 2021-08-03 | 沈阳航空航天大学 | Ultrasonic milling and ultrasonic rolling integrated processing device |
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