CN102229001A - Ultrasonic vibration sleeve reaming machining device applied to air drill - Google Patents
Ultrasonic vibration sleeve reaming machining device applied to air drill Download PDFInfo
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- CN102229001A CN102229001A CN2011101610881A CN201110161088A CN102229001A CN 102229001 A CN102229001 A CN 102229001A CN 2011101610881 A CN2011101610881 A CN 2011101610881A CN 201110161088 A CN201110161088 A CN 201110161088A CN 102229001 A CN102229001 A CN 102229001A
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Abstract
The invention discloses an ultrasonic vibration sleeve reaming machining device applied to an air drill. The device comprises a slip ring, a front cover plate, a ceramic plate A, a ceramic plate B, a rear cover plate, a flange plate, a retainer ring, a manual air drill, a drill shaft sleeve, a spring chuck and a fastening cap; the main shaft of the manual air drill is connected into an internal thread hole of the front cover plate; after the ceramic plate A and the ceramic plate B are sequentially sleeved at the external thread section of the front cover plate, the front cover plate is in threaded connection into an internal thread hole of the rear cover plate; an inner ring of the slip ring is arranged on the rear cover plate, and an outer ring of the slip ring is connected with the retainer ring and the flange plate through bolts; and the inner conical section of one end of the drill shaft sleeve is connected with the outer cylindrical section of the spring chuck, the outer cylindrical section of the other end of the drill shaft sleeve is thermally fed into the inner cylindrical section of the front cover plate, and the chuck section of the spring chuck chucks a reamer or a core drill and is finally locked through the fastening cap. By assembly design of the spring chuck, the clamped tool bit form is varied, a transducer, the main shaft of a common air drill and a cutter are detached conveniently, and the rotary precision of the whole air drill tool is ensured.
Description
Technical field
The present invention relates to a kind of ultrasonic vibration drill unit, more particularly say, relate to a kind of ultrasonic vibration cover hinge processing unit (plant) that is applied to pneumatic drill.This ultrasonic vibration cover hinge processing unit (plant) is particularly useful for carbon fibre composite and the securing member macropore processing cheaply of titanium alloy lamination high-quality and high-efficiency.Belong to UVC processing technology and part of appliance technical field.
Background technology
UVC is that a ultrasonic vibration is additional on the cutter, and it is interrupted that the continuous working angles of script is become, and has the cutting way of special cutting effect, and Japanese scholar takes the lead in putting forward.UVC has the distinct advantages that reduces cutting force and cutting temperature, raising surface quality and the accuracy of form and position.But vibration processing unit (plant) in the past exists that structure is complicated, volume is big, shortcoming such as can not turn round, and all is usually to be applied to lathe or above all kinds of machining center.Therefore the portable performance of vibrating device is poor, limited the application of vibrotechnique in light and handy portable hand-operated tools, common pneumatic drill can't be used the vibrotechnique advantage and carries out the fastener hole processing cheaply of a large amount of difficult processing laminated material high-quality and high-efficiencies in the aircraft skin erecting yard especially at present.
The applicant submitted name on November 15th, 2010, and to be called " a kind of ultrasonic vibration cover hinge processing unit (plant) that is applied to pneumatic drill " application number be 201010543592.3 patent application, cutter in this patent (reamer or cylindrical drill) and being connected to of pneumatic drill main shaft are threaded, the cutter of threaded head can only be installed, and cutter much all is to adopt inch screw thread, a lot of cutters all must customize, the cutter mounting or dismounting are all not too convenient, more time-consuming, cutter among the present invention (reamer or cylindrical drill) and manual pneumatic drill main shaft connected mode are to adopt the spring chuck assembling, not only but the cutter head of the cutter of feasible clamping is various informative, and be convenient to the dismounting of transducer and common pneumatic drill main shaft and cutter, guarantee the rotating accuracy of whole pneumatic drill instrument, present patent application is the improvement to former patent application.
Summary of the invention
In order to solve the matter high efficiency, low cost processing of the high fastener hole of difficult processing laminated material in the aircraft skin erecting yard, the invention provides a kind of ultrasonic vibration cover hinge processing unit (plant) that is applied to pneumatic drill.It has overcome the deficiencies in the prior art, is a kind of light and handy portable ultrasonic vibration hand-operated tools.
A kind of ultrasonic vibration cover hinge processing unit (plant) that is applied to pneumatic drill of the present invention, this device includes slip ring (1), front shroud (2), A potsherd (2A), B potsherd (2B), back shroud (3), ring flange (5), back-up ring (6), manual pneumatic drill (13), auger spindle sleeve (7), spring chuck (8) and fastening cap (9); One end hot charging of front shroud (2) advances auger spindle sleeve (7), and the other end of auger spindle sleeve (7) connects spring chuck (8), and spring chuck blocks reamer (4) or cylindrical drill (4A); Manually the shell of pneumatic drill (13) is connected with ring flange (5), and manually the main shaft of pneumatic drill (13) is connected in the internal thread hole (21) of front shroud (2);
Described slip ring (1) includes slip ring outer ring (1A) and slip ring inner ring (1B), and slip ring inner ring 1B is installed on the back shroud (3), and slip ring outer ring 1A is connected with back-up ring (6), ring flange (5) by bolt, and this slip ring is commercial;
Described front shroud (2) is the step garden columnar member of hollow, its axial centre one end is internal thread nose end (21) and external screw thread nose end (22), the other end of front shroud (2) is designed to interior smooth circular shaft section (23), external thread section (22) behind socket A potsherd (2A), the B potsherd (2B), is connected in the internal thread hole (3A) of back shroud (3) in turn;
Described back shroud (3) axial centre is internal thread hole (3A), and this back shroud one end is connected with the inner ring (1B) of slip ring by bolt, and internal thread hole (3A) is connected on the external screw thread nose end (22) of front shroud (2);
Described ring flange (5) is one upwards all to be provided with the flange diskware of screwed hole at circumferencial direction and footpath, this flange diskware passes screwed hole on the circumferencial direction by screw and is connected with back-up ring (6) and finally is fixed on the slip ring (1), and the screwed hole that makes progress by the footpath is fixed on ring flange on the pneumatic drill (13) with screw;
Described back-up ring (6) is circular that a circumference is provided with screwed hole, is connected with slip ring outer ring (1A) with ring flange (5) other end by screw one end, and this back-up ring is positioned between ring flange (5) and the slip ring (1);
The auger spindle sleeve (7) of the following stated, spring chuck (8), fastening cap (9) are the improvement on the patent basis of the former application of this patent, and these three parts have constituted the spring chuck part in this patent.
Described auger spindle sleeve (7) is that the center is the step column of through hole.The one end is provided with external thread section (72) and is connected with the internal thread of fastening cap (9), and the endoporus of this external thread section (72) is set to female cone section (73), and it contacts with the part that the cylindrical shell of column (81) of spring chuck (8) puts in auger spindle sleeve (7).See Fig. 4 A.Cylindrical shell of column (71) hot charging of this auger spindle sleeve (7) advances in the interior cylindrical section (23) of front shroud (2), the cylindrical shell of column (81) of spring chuck (8) puts in the female cone section (73) of auger spindle sleeve (7), with final by fastening cap (9) locking in the dop section (82) of reamer (4) or cylindrical drill (4A) loading spring dop (8).
The shape of described spring chuck (8) is the combination of two kinds of shape parts.A kind of is solid step axle, and another is to have blind hole and the middle part has cross recessed truncated cone-shaped part, sees Fig. 4 B.
Described fastening cap (9) is that endoporus is provided with the cylindrical member that internal thread is connected with the external thread section (72) of auger spindle sleeve (7).
Described manual pneumatic drill (13) is the common pneumatic drill of threaded rotary main shaft head, and its rotary main shaft links to each other with the internal thread nose end (21) of front shroud (2) by thread head, and the manual pneumatic drill in this patent is commercial.
The described ultrasonic vibration cover hinge processing unit (plant) that is applied to pneumatic drill, its slip ring (1), front shroud (2), ring flange (5), back-up ring (6), B potsherd (2B), A potsherd (2A) and back shroud (3) constitute transducer; Described transducer can provide single direction or elliptical orbit vibration for reamer (4) or cylindrical drill.
The described ultrasonic vibration cover hinge processing unit (plant) that is applied to pneumatic drill, the material of its A work piece (11) is a carbon fibre composite, and the material of B work piece (12) is a titanium alloy, and A work piece (11) is placed for lamination with B work piece (12).
The advantage of ultrasonic vibration jacking processing unit (plant) of the present invention is:
1. only drive the rotation of two potsherds, back shroud with the rotation of pneumatic drill main shaft by front shroud, its structural design is simple, the better front shroud that helps rotating will rotatablely move and pass to cutter (reamer or cylindrical drill), also make cutter (reamer or cylindrical drill) realize the feed motion perpendicular to the workpiece direction in process simultaneously.
2. on the outer rim of back shroud, slip ring is installed, is utilized ring flange that the outer ring of slip ring and the shell of manual pneumatic drill are connected, realized the rotation power supply of transducer.
3. apparatus of the present invention are based on the Langevin transducer model, ingenious design by structure, the selection of transducer material, make it on the basis of structure small volume and less weight, guaranteed the good performance of vibrating effect, and, can realize the different vibration modes of cutter (reamer or cylindrical drill) respectively by selecting to install the ceramic stack of different vibration modes.Better be adapted in the aircraft skin erecting yard processed cheaply to the high-quality and high-efficiency in the securing member macropore hole of difficulty processing lamination skin material.
4. cutter (reamer or cylindrical drill) and pneumatic drill main shaft assemble by spring chuck among the present invention, and the cutter head of cutter that not only enables clamping is various informative, and are convenient to the dismounting of transducer and common pneumatic drill main shaft and cutter, guarantee the rotating accuracy of whole pneumatic drill instrument.
5. the present invention is by realizing the ultrasonic vibration processing of common pneumatic drill, can effectively reduce cutting force and cutting temperature, improve machining accuracy and surface quality, prolong the life-span of cutter (reamer or cylindrical drill), cut down finished cost, thereby the high-quality and high-efficiency that is fit to the multiple titanium lamination securing member macropore of aircraft skin is more processed cheaply.
6. realized the vibratory tool miniaturization, the design of precise treatment, this better helping and the supporting use of common pneumatic drill.
Description of drawings
Fig. 1 is the ultrasonic vibration drill unit structure chart that the present invention is equipped with reamer and work piece.
Figure 1A is the ultrasonic vibration drill unit exploded view that the present invention is furnished with reamer.
Figure 1B is the structure chart of cylindrical drill.
Fig. 2 is the structure chart of the ultrasonic vibration drill unit of the present invention of unassembled slip ring, ring flange.
Fig. 3 is the structure chart of front shroud in the ultrasonic vibration drill unit of the present invention.
Fig. 4 is the cutter head part structure chart that is installed.
Fig. 4 A is the be installed exploded view of head part of cutter.
Fig. 4 B is the spring chuck structure chart.
Among the figure: | 1. slip ring | 1A. slip ring outer ring | 1B. slip ring |
2. front shroud |
21. internal |
22. |
23. interior smooth circular shaft section | 3. back shroud | 3A. |
4. |
4A. |
5. |
6. back-up |
7. |
71. cylindrical shell of |
72. |
73. |
8. |
81. cylindrical shell of |
82. |
9. fastening |
2A A potsherd | 2B B potsherd | |
11.A work piece | 12. |
13. manual pneumatic drill |
The specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Shown in Fig. 1, Figure 1A, Figure 1B, a kind of ultrasonic vibration cover hinge processing unit (plant) that is applied to pneumatic drill of the present invention, it includes slip ring 1, front shroud 2, A potsherd 2A, B potsherd 2B, back shroud 3, ring flange 5 and back-up ring 6, auger spindle sleeve 7, spring chuck 8, fastening cap 9; One end of spring chuck connects reamer 4 (shown in Figure 1A) or cylindrical drill 4A (shown in Figure 1B).In the present invention, manually the shell of pneumatic drill 13 is connected with ring flange 5, manually the main shaft of pneumatic drill 13 is connected in the internal thread hole 21 of front shroud 2, the cylindrical shell of column 71 of auger spindle sleeve 7 is put in the interior cylindrical section of front shroud 2 through hot charging, the cylindrical shell of column 81 of spring chuck 8 is connected with the endoporus of auger spindle sleeve 7, and the part of spring chuck 8 puts in the female cone section 73 of auger spindle sleeve 7 and by fastening cap 9 fastening chucking cutters.In order to be implemented in the mobility of job site, manually pneumatic drill 13 adopts hand-operated tools.The spring chuck 8 interfaces assembling that cutter among the present invention (reamer or cylindrical drill) is connected with manual pneumatic drill 13 main shafts, not only but the cutter head of the cutter of feasible clamping is various informative, and be convenient to the dismounting of transducer and common pneumatic drill main shaft and cutter, guarantee the rotating accuracy of whole pneumatic drill instrument.See Fig. 4 and Fig. 4 A, Fig. 4 B.
This slip ring (1) includes slip ring outer ring (1A) and slip ring inner ring (1B), and slip ring inner ring 1B is installed on the back shroud (3), and slip ring outer ring 1A is connected with back-up ring (6), ring flange (5) by bolt, and this slip ring is commercial;
This front shroud (2) is the step garden columnar member of hollow, its axial centre one end is internal thread nose end (21) and external screw thread nose end (22), the other end of front shroud (2) is designed to interior smooth circular shaft section (23), external thread section (22) behind socket A potsherd (2A), the B potsherd (2B), is connected in the internal thread hole (3A) of back shroud (3) in turn;
This back shroud (3) axial centre is internal thread hole (3A), and this back shroud one end is connected with the inner ring (1B) of slip ring by bolt, and internal thread hole (3A) is connected on the external screw thread nose end (22) of front shroud (2);
This ring flange (5) is one at circumferencial direction and footpath the flange diskware of screwed hole to be arranged all upwards, this flange diskware passes screwed hole on the circumferencial direction by screw and is connected with back-up ring (6) and finally is fixed on the slip ring (1), and the screwed hole that makes progress by the footpath is fixed on ring flange on the pneumatic drill (13) with screw;
This back-up ring (6) is one circular of screwed hole to be arranged on circumference, is connected with slip ring outer ring (1A) with ring flange (5) other end by screw one end, and this back-up ring is positioned between ring flange (5) and the slip ring (1);
This auger spindle sleeve (7) is that the center is the step column of through hole.The one end is provided with external thread section (72) and is connected with the internal thread of fastening cap (9), and the endoporus of this external thread section (72) is set to female cone section (73), and it contacts with the part that the cylindrical shell of column (81) of spring chuck (8) puts in auger spindle sleeve (7).See Fig. 4 A.
The shape of this spring chuck (8) is the combination of two kinds of shape parts.A kind of is solid step axle, and another is to have blind hole and the middle part has cross recessed truncated cone-shaped part, sees Fig. 4 B.
This fastening cap (9) is that endoporus is provided with the cylindrical member that internal thread is connected with the external thread section (72) of auger spindle sleeve (7).
In the present invention, shown in Figure 1A, the material of A work piece 11 is a carbon fibre composite, and the material of B work piece 12 is a titanium alloy.A work piece 11 is a laminated construction with B work piece 12.Apparatus of the present invention are based on the Langevin transducer model, ingenious design by structure, the selection of transducer material, make it on the basis of structure small volume and less weight, guaranteed the good performance of vibrating effect, and, can realize the different vibration modes of cutter (reamer or cylindrical drill) respectively by selecting to install the ceramic stack of different vibration modes.Better be adapted in the aircraft skin erecting yard processed cheaply to the high-quality and high-efficiency in the securing member macropore hole of difficulty processing lamination skin material.
In the present invention, slip ring 1, front shroud 2, A potsherd 2A, B potsherd 2B, back shroud 3, ring flange 5 and back-up ring 6 constitute transducer.Described transducer can provide single direction or elliptical orbit vibration for cutter (reamer 4, cylindrical drill 4A etc.), can effectively reduce cutting force and cutting temperature, improves machining accuracy and suface processing quality, prolongs cutter life.Only drive two potsherd 2A, 2B by front shroud 2 rotation of boring 13 main shaft of taking offence conveniently, the rotation of back shroud 3, auger spindle sleeve 7 and spring chuck 8, its structural design is simple, the better front shroud that helps rotating 2 will rotatablely move and pass to cutter (reamer or cylindrical drill), also make cutter (reamer or cylindrical drill) realize the feed motion perpendicular to the workpiece direction in process simultaneously.
Referring to Figure 1A, Fig. 2, shown in Figure 3, one end is a circular shaft smooth inner bore 23, be used for hot charging auger spindle sleeve 7, the circular shaft section hot charging that is auger spindle sleeve 7 advances in the interior smooth inner bore of front shroud 2, the other end of front shroud 2 is designed to external thread section 22, external thread section 22 behind socket A potsherd 2A, the B potsherd 2B, is threaded among the internal thread hole 3A of back shroud 3 in turn.
A kind of annexation that is applied to the ultrasonic vibration cover hinge processing unit (plant) of hand drill of the present invention is:
Manually the shell of pneumatic drill 13 is installed on the ring flange 5, and manually the main shaft of pneumatic drill 13 is installed in the internal thread hole 21 of external thread section 22 ends of front shroud 2; After being socketed with A potsherd 2A, B potsherd 2B on the external thread section 22 of front shroud 2 in turn, external thread section 22 is connected in the internal thread hole of back shroud 3; Slip ring inner ring 1B is installed on the back shroud 3, and slip ring outer ring 1A is connected with back-up ring 6, ring flange 5 by bolt; It is that the circular shaft section hot charging of auger spindle sleeve 7 advances in the interior smooth circular shaft section (23) of front shroud 2 that one end hot charging of front shroud 2 has auger spindle sleeve 7, one end of reamer 4 blocks by spring chuck 8 and finally clamps by fastening cap 9, the other end of reamer 4 is surperficial vertical with A work piece 11, and A work piece 11 overlaps with B work piece 12.
Adopt a kind of ultrasonic vibration cover hinge processing unit (plant) that is applied to hand drill of the present invention to vibrate the process that fastener hole adds man-hour to be:
Press manual pneumatic drill 13 triggers, this moment is the pneumatic drill main axis rotation manually, front shroud 2 rotations under the drive of manual pneumatic drill main shaft; Operating front shroud 2 will rotatablely move and pass to auger spindle sleeve 7 and back shroud 3, and turnbarrel 7 is passed to spring chuck 8 again, finally passes to reamer 4.And back shroud 3 rotations drive slip ring inner ring 1B rotation.Slip ring outer ring 1A is connected with packing ring 6, ring flange 5 by bolt, and ring flange 5 maintains static by nail silk and manual pneumatic drill rifle body case.
Claims (1)
1. a ultrasonic vibration cover that is applied to pneumatic drill cuts with scissors processing unit (plant), and this device includes slip ring (1), front shroud (2), A potsherd (2A), B potsherd (2B), back shroud (3), ring flange (5), back-up ring (6), manual pneumatic drill (13), auger spindle sleeve (7), spring chuck (8) and fastening cap (9); The shell of pneumatic drill (13) is connected with ring flange (5), and the main shaft of pneumatic drill (13) is connected in the internal thread hole (21) of front shroud (2); Axial centre one end of front shroud (2) is internal thread nose end (21) and external screw thread nose end (22), the other end of front shroud (2) is designed to interior smooth circular shaft section (23), external thread section (22) behind socket A potsherd (2A), the B potsherd (2B), is threaded in the internal thread hole (3A) of back shroud (3) in turn; Slip ring inner ring 1B is installed on the back shroud (3), and slip ring outer ring 1A is connected with back-up ring (6), ring flange (5) by bolt; This slip ring (1) includes slip ring outer ring (1A) and slip ring inner ring (1B), and slip ring inner ring 1B is installed on the back shroud (3), and slip ring outer ring 1A is connected with back-up ring (6), ring flange (5) by bolt, and it is commercial; This front shroud (2) is the step garden columnar member of hollow, its axial centre one end is internal thread nose end (21) and external screw thread nose end (22), the other end of front shroud (2) is designed to interior smooth circular shaft section (23), external thread section (22) behind socket A potsherd (2A), the B potsherd (2B), is connected in the internal thread hole (3A) of back shroud (3) in turn; This back shroud (3) axial centre is internal thread hole (3A), and this back shroud one end is connected with the inner ring (1B) of slip ring by bolt, and internal thread hole (3A) is connected on the external screw thread nose end (22) of front shroud (2); This ring flange (5) is one upwards all to be provided with the flange diskware of screwed hole at circumferencial direction and footpath, it passes screwed hole on the circumferencial direction by screw and is connected with back-up ring (6) and finally is fixed on the slip ring (1), and the screwed hole that makes progress by the footpath is fixed on ring flange on the pneumatic drill (13) with screw; This back-up ring (6) is circular that a circumference is provided with screwed hole, is connected with slip ring outer ring (1A) with ring flange (5) other end by screw one end, and this back-up ring is positioned between ring flange (5) and the slip ring (1); It is characterized in that:
This auger spindle sleeve (7) is that the center is the step column of through hole, the one end is provided with external thread section (72) and is connected with the internal thread of fastening cap (9), the endoporus of this external thread section (72) is set to female cone section (73), and it contacts with the part that the cylindrical shell of column (81) of spring chuck (8) puts in auger spindle sleeve (7); Cylindrical shell of column (71) hot charging of this auger spindle sleeve (7) advances in the interior cylindrical section (23) of front shroud (2), the cylindrical shell of column (81) of spring chuck (8) puts in the female cone section (73) of auger spindle sleeve (7), with final by fastening cap (9) locking in the dop section (82) of reamer (4) or cylindrical drill (4A) loading spring dop (8);
The shape of this spring chuck (8) is the combination of two kinds of shape parts, and a kind of is solid step axle, and another is to have blind hole and the middle part has cross recessed truncated cone-shaped part;
This fastening cap (9) is that endoporus is provided with the cylindrical member that internal thread is connected with the external thread section (72) of auger spindle sleeve (7).
Priority Applications (1)
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CN 201110161088 CN102229001B (en) | 2011-06-15 | 2011-06-15 | Ultrasonic vibration sleeve reaming machining device applied to air drill |
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CN 201110161088 CN102229001B (en) | 2011-06-15 | 2011-06-15 | Ultrasonic vibration sleeve reaming machining device applied to air drill |
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CN102229001B CN102229001B (en) | 2013-06-19 |
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Cited By (4)
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CN103521423A (en) * | 2013-09-29 | 2014-01-22 | 天津大学 | High-frequency piezoelectric ultrasonic transducer used for integrated circuit thermosonic bonding equipment |
CN104624461A (en) * | 2014-12-25 | 2015-05-20 | 北京航空航天大学 | Lateral simulative type ultrasonic elliptic vibration milling knife handle |
CN104785799A (en) * | 2015-04-24 | 2015-07-22 | 北京航空航天大学 | High-effect and small-size rotary ultrasonic spindle |
CN111097969A (en) * | 2019-12-17 | 2020-05-05 | 天津大学 | Rotary ultrasonic machining device capable of expanding bandwidth |
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JP2009241226A (en) * | 2008-03-31 | 2009-10-22 | Masahiko Jin | Ultrasonic spindle apparatus, tool coupling method thereof, tool coupling device, tool coupling method, and tool replacement system |
CN102049544A (en) * | 2010-11-15 | 2011-05-11 | 北京航空航天大学 | Supersonic vibration countersinking device applied in pneumatic drilling |
CN102059365A (en) * | 2010-11-15 | 2011-05-18 | 北京航空航天大学 | Ultrasonic vibrating trepanning reamer machining device applied to pneumatic drill |
CN201848712U (en) * | 2010-09-29 | 2011-06-01 | 绍兴汉纳机电设备有限公司 | Flexible collet |
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CN2673563Y (en) * | 2003-12-19 | 2005-01-26 | 萧如崧 | Main shaft locking tool withdraw mechanism |
JP2009241226A (en) * | 2008-03-31 | 2009-10-22 | Masahiko Jin | Ultrasonic spindle apparatus, tool coupling method thereof, tool coupling device, tool coupling method, and tool replacement system |
CN201848712U (en) * | 2010-09-29 | 2011-06-01 | 绍兴汉纳机电设备有限公司 | Flexible collet |
CN102049544A (en) * | 2010-11-15 | 2011-05-11 | 北京航空航天大学 | Supersonic vibration countersinking device applied in pneumatic drilling |
CN102059365A (en) * | 2010-11-15 | 2011-05-18 | 北京航空航天大学 | Ultrasonic vibrating trepanning reamer machining device applied to pneumatic drill |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103521423A (en) * | 2013-09-29 | 2014-01-22 | 天津大学 | High-frequency piezoelectric ultrasonic transducer used for integrated circuit thermosonic bonding equipment |
CN103521423B (en) * | 2013-09-29 | 2016-01-20 | 天津大学 | For the high frequency piezo ultrasonic transducer of integrated circuit Heat Ultrasonic Bonding equipment |
CN104624461A (en) * | 2014-12-25 | 2015-05-20 | 北京航空航天大学 | Lateral simulative type ultrasonic elliptic vibration milling knife handle |
CN104624461B (en) * | 2014-12-25 | 2017-05-17 | 北京航空航天大学 | Lateral simulative type ultrasonic elliptic vibration milling knife handle |
CN104785799A (en) * | 2015-04-24 | 2015-07-22 | 北京航空航天大学 | High-effect and small-size rotary ultrasonic spindle |
CN111097969A (en) * | 2019-12-17 | 2020-05-05 | 天津大学 | Rotary ultrasonic machining device capable of expanding bandwidth |
CN111097969B (en) * | 2019-12-17 | 2024-06-11 | 天津大学 | Rotary ultrasonic processing device capable of expanding bandwidth |
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