CN203579268U - High-speed milling machine tool specially used for honeycomb core material structural member - Google Patents
High-speed milling machine tool specially used for honeycomb core material structural member Download PDFInfo
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- CN203579268U CN203579268U CN201320821903.7U CN201320821903U CN203579268U CN 203579268 U CN203579268 U CN 203579268U CN 201320821903 U CN201320821903 U CN 201320821903U CN 203579268 U CN203579268 U CN 203579268U
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- 239000011162 core material Substances 0.000 title claims abstract description 27
- 238000003801 milling Methods 0.000 title claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 140
- 229910052742 iron Inorganic materials 0.000 claims abstract description 50
- 239000000428 dust Substances 0.000 claims abstract description 36
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 210000001331 nose Anatomy 0.000 claims description 19
- 230000033001 locomotion Effects 0.000 claims description 9
- 239000004519 grease Substances 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 claims description 4
- 238000003491 array Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000005304 joining Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- 239000000758 substrate Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000005213 imbibition Methods 0.000 description 3
- RRLHMJHRFMHVNM-BQVXCWBNSA-N [(2s,3r,6r)-6-[5-[5-hydroxy-3-(4-hydroxyphenyl)-4-oxochromen-7-yl]oxypentoxy]-2-methyl-3,6-dihydro-2h-pyran-3-yl] acetate Chemical compound C1=C[C@@H](OC(C)=O)[C@H](C)O[C@H]1OCCCCCOC1=CC(O)=C2C(=O)C(C=3C=CC(O)=CC=3)=COC2=C1 RRLHMJHRFMHVNM-BQVXCWBNSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 241000256844 Apis mellifera Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a high-speed milling machine tool specially used for a honeycomb core material structural member and belongs to cutting machine tools. The conventional honeycomb core material workpiece cannot be clamped, positioned and cut like a metal part during processing. A dust collection device and a workpiece fixing device are additionally arranged on the machine tool; the workpiece fixing device is arranged between two separate overhead walls serving as machine bodies and comprises a base, a magnetic piece, a platform plate with an upper surface and iron powder contained in an iron powder container; at least one groove is formed in the base; the platform plate mainly comprises a plurality of pure iron strips and aluminum strips, which are closely arrayed at intervals; the transverse thicknesses of the pure iron strips are larger than those of the aluminum strips; the platform plate covers the base; the axial directions of the pure iron strips are not parallel to the length directions of the grooves; the magnetic piece comprises a sliding seat and a plurality of pure iron blocks and magnetic steel blocks; the pure iron blocks and the magnetic steel blocks are fixedly paved on the sliding seat at intervals and correspond to the pure iron strips and the aluminum strips; guide sliding chutes are formed in two sides of the sliding seat; the magnetic piece is driven to slide in each groove by a slide driving mechanism consisting of a servo motor and a screw rod pair. The high-speed milling machine tool specially used for the honeycomb core material structural member improves the working efficiency.
Description
Technical field
The utility model belongs to stock-removing machine, especially relevant with comb core material member high-speed milling special purpose machine tool.
Background technology
Comb core material is the material that a kind of hexagonal honeycomb structure principle of copying nature honeybee to build to build is made.That paper substrate honeycomb core material has is lightweight, density is little, specific strength specific stiffness advantages of higher, there is good self-extinguishment energy, the good features such as chemical characteristic, it is widely used in the stricter structure of the designing requirements such as Aeronautics and Astronautics and submarine within nearly decades.
Due to its special material property and design feature, in Digit Control Machine Tool processing, there are many difficult points: 1, member is stephanoporate thin wall structure, laterally cannot bear cutting force in paper substrate honeycomb core material; 2, member is flexible material, cannot resemble rigid material and clamp location; 3, be applied to the structural comb core material members such as Aero-Space submarine and all there is curved-surface structure, the linear size of right and wrong again, processing request is high, and quality control cannot be used conventional means to guarantee; 4, paper material easily produces a large amount of dust after machining, and impact processing airport itself and operator are healthy; 5, can not there is greasy dirt in paper substrate honeycomb core material member, otherwise can make follow-up Bonding Process occur degumming phenomenon.So the processing of paper substrate honeycomb core material workpiece cannot be located and cutting by clamping as metal parts, for guaranteeing that product has higher precision and surface quality, thereby the aspects such as the process control in numerical control machine tool, cutter, frock, cutting parameter, programmed method, digital control processing and quality control have all been proposed to technicality requirement.At present, conventional clamping of paper substrate honeycomb core material workpiece generally adopts sticking double faced adhesive tape to fix, and in process, easily throws off, and causes local perk or integral body to come off, impact processing.
Utility model content
The utility model object is intended to solve paper substrate honeycomb core material workpiece processing and cannot be as metal parts easily occurs dust and can not occur the technical problems such as greasy dirt in clamping location and cutting, process, and a kind of high-speed milling special purpose machine tool that is suitable for the processing of comb core material member is provided.
For this reason, the utility model by the following technical solutions: comb core material member high-speed milling special purpose machine tool, comprises overhead wall formula lathe bed, the crossbeam being moved in X-direction by the guide supporting on lathe bed, drive the linear electric motors of cross beam movement, the planker being moved in Y direction by the guide supporting on crossbeam, the ram that is connected by guide rail slide block and moves in Z-direction with planker, being installed on ram bottom can realize five spindle noses of the rotation of C axle and the swing of A axle and control X, Y, Z, C, the control system of A five-axle linkage, the movement of planker and ram all adopts servomotor to drive through screw pair, and five spindle noses comprise C axle rotating shaft, A axle swinging axle and being installed on A axle swinging axle for driving the electric main shaft of tool motion, C axle rotating shaft stretches into that ram inner chamber is installed by bearings and drives rotation by torque motor, A axle swinging axle drives rotation by the one group of torque motor that is arranged on five spindle nose fork-shaped housing both sides, it is characterized in that, described special purpose machine tool also comprises dust exhaust apparatus and Workpiece holding device, Workpiece holding device is located between two discrete overhead walls as lathe bed, comprise base, magnetic part, upper surface is as the landing slab of workpiece support face and be loaded on the iron powder in iron powder container, base upper surface arranges at least one groove, landing slab is mainly comprised of the spaced pure iron bar of polylith and aluminum strip close-packed arrays, pure iron bar transverse gage is greater than aluminum strip, landing slab mounts cover in base upper surface, pure iron bar is axially not parallel with described groove length direction, magnetic part comprises that slide and polylith interval are fixedly layed in slide upper surface pure iron piece and the magnetic steel ingot corresponding with described pure iron bar and aluminum strip, slide both sides arrange guide chute, magnetic part drives slippage in described groove by the slippage driving mechanism being mainly comprised of servomotor and screw pair, and by the guide chute support guide that is installed on the roller embedding slide both sides of described groove both sides sidewall, described iron powder container bottom arranges opening and switching mechanism, iron powder container is placed in described landing slab side, by five spindle noses extractions on crossbeam, move on to landing slab top in use and spread iron powder, described dust exhaust apparatus comprises dust catcher, dust shield, lower connecting ring and upper connecting ring, dust shield be installed on electric main shaft and arrange opening towards cutter around vacuum chamber, upper connecting ring and lower connecting ring are all provided with the annular cavity of an end opening, the annular cavity chamber wall opening end activity of upper connecting ring and lower connecting ring is to joining, annular cavity is communicated with, lower connecting ring is around being fixed on five spindle nose housings, with five spindle nose C axle rotations, upper connecting ring is fixed on ram, on the wall of upper connecting ring annular cavity chamber, through hole being set is communicated with dust catcher by pipeline, on the wall of lower connecting ring annular cavity chamber, through hole being set is communicated with described vacuum chamber by pipeline, the action of described dust catcher and the slippage of magnetic part are controlled by described control system.
When the utility model is used, first make pure iron piece on magnetic part and the pure iron bar on landing slab stagger, close magnetic fixing function, aluminum strip correspondence is positioned at the centre position of pure iron piece; Comb core material workpiece to be processed is layed on landing slab, extracts iron powder container above workpiece, open switching mechanism, the iron powder in iron powder container is evenly sprinkled in the honeycomb chamber of workpiece, iron powder reaches the switching mechanism of closing iron powder container after certain thickness; Then, order about magnetic part moves in the groove of base upper surface, pure iron piece is alignd with pure iron bar, the magnetic line of force of magnet steel penetrates pure iron piece, pure iron bar and iron powder, forms closed loop, opens magnetic fixing function, iron powder close attachment under magneticaction is surperficial to landing slab, imbibition power and the frictional force of generation to surface, comb core material workpiece honeycomb chamber, by workpiece fixing, removes iron powder container and starts processing; Control system instruction dust exhaust apparatus is started working, and according to procedure, controls five spindle noses driving cutters and carry out five-axle linkage processing work, and the dust producing in process is siphoned away by vacuum chamber opening by dust catcher; Process finishing, order about magnetic part slippage, make the pure iron piece pure iron bar that staggers, at this moment the magnetic line of force is no longer by iron powder fill area, but form closed-loop path at pure iron piece, pure iron bar and magnetic steel ingot, thereby reach the object of closing iron powder regional magnetic field, close magnetic fixing function, recycling iron powder after workpiece to be removed.
As the further of technique scheme improved and supplemented, the utility model also comprises following technical characterictic.
Described special purpose machine tool also comprises tool magazine, and tool magazine is arranged within the walls overhead as lathe bed.
The all transmissions of described special purpose machine tool adopt grease lubrication.
Described dust exhaust apparatus also comprises the hairbrush circle that is installed on described dust shield vacuum chamber oral area, and corral dust plays better pick-up performance.
Described is that speed is higher than the high-speed electric main shaft of 20000rpm for driving the electric main shaft of tool motion.
Described roller is bearing.
Use the utility model can reach following beneficial effect: 1, to adopt overhead viaduct type cross beam support structure, make machine tool high speed feeding property good; 2, use high rotating speed electricity main shaft five spindle noses, possess five-shaft interlock function, can be used for the curved surface of machining shape complexity; 3, with magnetic absorption iron powder, surface, honeycomb chamber generation imbibition power and frictional force are carried out fixing and by drive and control of electric machine magnet steel position, controlled the Workpiece holding device that opens and closes magnetic field magnetic, be applicable to clamping comb core material workpiece, and operating efficiency is high; 4, adopt grease lubrication, avoided the lubricated oil pollution to workpiece of oily vapour.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is top view of the present utility model.
Fig. 3 is left view of the present utility model.
Fig. 4 is the broken section enlarged drawing at a place in Fig. 3.
Fig. 5 is the top view of Workpiece holding device in the utility model.
Fig. 6 is the A-A cutaway view of Fig. 5.
Fig. 7 is the B-B cutaway view of Fig. 6.
Fig. 8 is the partial enlarged drawing at b place in Fig. 6.
Fig. 9 is Workpiece holding device magnetic fixing function open mode schematic diagram.
Figure 10 is Workpiece holding device magnetic fixing function closed condition schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in detail.
As shown in Fig. 1～Fig. 8, the ram 5 that the utility model comprises overhead wall formula lathe bed 1, the crossbeam 3 being moved in X-direction by the guide supporting on lathe bed, drive linear electric motors 7, the planker 2 being moved in Y direction by the guide supporting on crossbeam 3 that crossbeam 3 moves, be connected by guide rail slide block with planker 2 and move in Z-direction, be installed on the control system that five spindle noses 8, dust exhaust apparatus, tool magazine, Workpiece holding device 6 and control X, Y that the rotation of C axle and A axle swing, Z, C, A five-axle linkage can be realized in ram bottom, the movement of planker 2 and ram 5 all adopts servomotor to drive through screw pair, five spindle noses 8 comprise C axle rotating shaft, A axle swinging axle and are installed on A axle swinging axle for driving the electric main shaft of tool motion, electricity main shaft is that speed is higher than the high-speed electric main shaft of 20000rpm, C axle rotating shaft stretches into that ram inner chamber is installed by bearings and drives rotation by torque motor, and A axle swinging axle drives rotation by the one group of torque motor that is arranged on five spindle nose fork-shaped housing both sides, Workpiece holding device 6 is located between discrete two overhead walls as lathe bed, Workpiece holding device 6 comprises base 18, magnetic part, upper surface is as the landing slab 16 of workpiece support face and be loaded on the iron powder in iron powder container 12, base upper surface arranges at least one groove, landing slab 16 is mainly comprised of the spaced pure iron bar 13 of polylith and aluminum strip 14 close-packed arrays, pure iron bar 13 transverse gages are greater than aluminum strip 14, landing slab 16 mounts cover in base upper surface, pure iron bar 13 is axially not parallel with described groove length direction, magnetic part comprises that slide 17 and polylith interval are fixedly layed in slide upper surface pure iron piece 19 and the magnetic steel ingot 20 corresponding with described pure iron bar 13 and aluminum strip 14, slide both sides arrange guide chute, magnetic part drives slippage in described groove by the slippage driving mechanism being mainly comprised of servomotor and screw pair, and by the guide chute support guide that is installed on bearing 15 embedding slide 17 both sides of described groove both sides sidewall, described iron powder container bottom arranges opening and switching mechanism, iron powder container 12 is placed in described landing slab side, by five spindle noses extractions on crossbeam, move on to landing slab 16 tops in use and spread iron powder, described dust exhaust apparatus comprises dust catcher 4, dust shield, hairbrush circle 11, lower connecting ring 10 and upper connecting ring 9, dust shield be installed on electric main shaft and arrange opening towards cutter around vacuum chamber, be installed on dust shield vacuum chamber oral area, upper connecting ring 9 and lower connecting ring 10 are all provided with the annular cavity of an end opening, the annular cavity chamber wall opening end activity of upper connecting ring 9 and lower connecting ring 10 is to joining, annular cavity is communicated with, lower connecting ring 10 is around being fixed on five spindle nose housings, with five spindle nose C axle rotations, upper connecting ring 9 is fixed on ram, on the wall of upper connecting ring annular cavity chamber, through hole being set is communicated with dust catcher 4 by pipeline, on the wall of lower connecting ring annular cavity chamber, through hole being set is communicated with described vacuum chamber by pipeline, tool magazine is located within the walls overhead, the described action of dust catcher 4 and the slippage of magnetic part are controlled by described control system, the all transmissions of lathe adopt grease lubrication.
As shown in Fig. 9～Figure 10, according to magnetic field principle, when pure iron piece 19 aligns with pure iron bar 13, the magnetic line of force of magnet steel penetrates pure iron piece 19, pure iron bar 13 and iron powder and forms closed loop, at landing slab 16 upper surfaces, produce magnetic field, when pure iron piece 19 and pure iron bar 13 stagger, aluminum strip 14 correspondences are positioned at the centre position of pure iron piece 19, the magnetic line of force cannot pass aluminum strip 14, at this moment the magnetic line of force is no longer by iron powder fill area, but form closed-loop path at pure iron piece 19, pure iron bar 13 and magnetic steel ingot 20, thereby reach the object of closing iron powder regional magnetic field.When the utility model is used, first make pure iron piece 19 on magnetic part and the pure iron bar 13 on landing slab 16 stagger, close magnetic fixing function, aluminum strip 14 correspondences are positioned at the centre position of pure iron piece; Comb core material workpiece to be processed is layed on landing slab 16, extract iron powder container 12 to workpiece top, open switching mechanism, the iron powder in iron powder container 12 is evenly sprinkled in the honeycomb chamber of workpiece, iron powder reaches the switching mechanism of closing iron powder container 12 after certain thickness; Then, order about magnetic part moves in the groove of base upper surface, pure iron piece 19 is alignd with pure iron bar 13, the magnetic line of force of magnet steel penetrates pure iron piece, pure iron bar 13 and iron powder, forms closed loop, opens magnetic fixing function, iron powder close attachment under magneticaction is surperficial to landing slab, imbibition power and the frictional force of generation to comb core material workpiece, by workpiece fixing, removes iron powder container 12 and starts processing; Control system instruction dust exhaust apparatus is started working, and according to procedure, controls five spindle noses driving cutters and carry out five-axle linkage processing work, and the dust producing in process is siphoned away by vacuum chamber opening by dust catcher 4; Process finishing, orders about magnetic part slippage, makes the pure iron piece pure iron bar 13 that staggers, and closes magnetic fixing function, recycling iron powder after workpiece to be removed.
Claims (6)
1. comb core material member high-speed milling special purpose machine tool, comprise overhead wall formula lathe bed (1), the crossbeam being moved in X-direction by the guide supporting on lathe bed (3), drive the mobile linear electric motors (7) of crossbeam (3), the planker (2) being moved in Y direction by the guide supporting on crossbeam (3), the ram (5) that is connected by guide rail slide block with planker (2) and moves in Z-direction, being installed on ram bottom can realize five spindle noses (8) of the rotation of C axle and the swing of A axle and control X, Y, Z, C, the control system of A five-axle linkage, the movement of planker (2) and ram (5) all adopts servomotor to drive through screw pair, five spindle noses comprise C axle rotating shaft, A axle swinging axle and being installed on A axle swinging axle for driving the electric main shaft of tool motion, C axle rotating shaft stretches into that ram inner chamber is installed by bearings and drives rotation by torque motor, A axle swinging axle drives rotation by the one group of torque motor that is arranged on five spindle nose fork-shaped housing both sides, it is characterized in that: described special purpose machine tool also comprises dust exhaust apparatus and is located at the middle Workpiece holding device (6) of lathe bed, Workpiece holding device comprises base (18), magnetic part, upper surface is as the landing slab (16) of workpiece support face and be loaded on the iron powder in iron powder container, base (18) upper surface arranges at least one groove, landing slab (16) is mainly comprised of the spaced pure iron bar of polylith (13) and aluminum strip (14) close-packed arrays, pure iron bar (13) transverse gage is greater than aluminum strip (14), landing slab (16) mounts cover in base upper surface, pure iron bar is axially not parallel with described groove length direction, magnetic part comprises that slide (17) and polylith interval are fixedly layed in slide upper surface pure iron piece (19) and the magnetic steel ingot (20) corresponding with described pure iron bar and aluminum strip, slide both sides arrange guide chute, the slippage driving mechanism that magnetic part is mainly comprised of servomotor and screw pair drives slippage in described groove, and by the guide chute support guide that is installed on roller (15) the embedding slide both sides of described groove both sides sidewall, described iron powder container bottom arranges opening and switching mechanism, iron powder container is placed in described landing slab side, described dust exhaust apparatus comprises dust catcher (4), dust shield, lower connecting ring (10) and upper connecting ring (9), dust shield be installed on electric main shaft and arrange opening towards cutter around vacuum chamber, upper connecting ring (9) and lower connecting ring (10) are all provided with the annular cavity of an end opening, the annular cavity chamber wall opening end activity of upper connecting ring (9) and lower connecting ring (10) is to joining, annular cavity is communicated with, lower connecting ring (10) is around being fixed on five spindle nose housings, upper connecting ring (9) is fixed on ram (5), on the wall of upper connecting ring annular cavity chamber, through hole being set is communicated with dust catcher (4) by pipeline, on the wall of lower connecting ring annular cavity chamber, through hole being set is communicated with described vacuum chamber by pipeline, the action of described dust catcher (4) and the slippage of magnetic part are controlled by described control system.
2. comb core material member high-speed milling special purpose machine tool according to claim 1, is characterized in that: described special purpose machine tool also comprises tool magazine, and tool magazine is arranged within the walls overhead as lathe bed.
3. comb core material member high-speed milling special purpose machine tool according to claim 2, is characterized in that: all transmissions of described special purpose machine tool adopt grease lubrication.
4. comb core material member high-speed milling special purpose machine tool according to claim 3, is characterized in that: described dust exhaust apparatus also comprises the hairbrush circle (11) that is installed on described dust shield vacuum chamber oral area.
5. comb core material member high-speed milling special purpose machine tool according to claim 4, is characterized in that: described is that speed is higher than the high-speed electric main shaft of 20000rpm for driving the electric main shaft of tool motion.
6. comb core material member high-speed milling special purpose machine tool according to claim 5, is characterized in that: described roller (15) is bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320821903.7U CN203579268U (en) | 2013-12-12 | 2013-12-12 | High-speed milling machine tool specially used for honeycomb core material structural member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320821903.7U CN203579268U (en) | 2013-12-12 | 2013-12-12 | High-speed milling machine tool specially used for honeycomb core material structural member |
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| Publication Number | Publication Date |
|---|---|
| CN203579268U true CN203579268U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320821903.7U Expired - Lifetime CN203579268U (en) | 2013-12-12 | 2013-12-12 | High-speed milling machine tool specially used for honeycomb core material structural member |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104439443A (en) * | 2014-10-15 | 2015-03-25 | 中航飞机股份有限公司西安飞机分公司 | Honeycomb core milling platform |
| CN106825944A (en) * | 2017-02-24 | 2017-06-13 | 武汉鸿镭激光科技有限公司 | A kind of ultrafast femtosecond laser cutting machine |
| CN108356299A (en) * | 2018-03-07 | 2018-08-03 | 大连理工大学 | A kind of ultrasound for the processing of honeycomb core curved profile inserts cutter |
| WO2019161744A1 (en) * | 2018-02-24 | 2019-08-29 | 大连理工大学 | Ultrasonic cutting method employing straight-blade sharp knife and application thereof |
-
2013
- 2013-12-12 CN CN201320821903.7U patent/CN203579268U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104439443A (en) * | 2014-10-15 | 2015-03-25 | 中航飞机股份有限公司西安飞机分公司 | Honeycomb core milling platform |
| CN106825944A (en) * | 2017-02-24 | 2017-06-13 | 武汉鸿镭激光科技有限公司 | A kind of ultrafast femtosecond laser cutting machine |
| CN106825944B (en) * | 2017-02-24 | 2018-10-09 | 武汉鸿镭激光科技有限公司 | A kind of ultrafast femtosecond laser cutting machine |
| WO2019161744A1 (en) * | 2018-02-24 | 2019-08-29 | 大连理工大学 | Ultrasonic cutting method employing straight-blade sharp knife and application thereof |
| CN108356299A (en) * | 2018-03-07 | 2018-08-03 | 大连理工大学 | A kind of ultrasound for the processing of honeycomb core curved profile inserts cutter |
| CN108356299B (en) * | 2018-03-07 | 2019-04-16 | 大连理工大学 | A kind of slotting cutter of ultrasound for the processing of honeycomb core curved profile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG RIFA AVIATION DIGITAL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: ZHEJIANG RIFA PRECISION MACHINERY CO., LTD. Effective date: 20150109 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150109 Address after: 312500, Zhejiang Xinchang Seven Star Street day digital technology park Patentee after: ZHEJIANG RIFA AVIATION DIGITAL EQUIPMENT Co.,Ltd. Address before: 312500 Shaoxing Province, Xinchang province provincial high-tech industrial park, the number of Digital Technology Park Patentee before: ZHEJIANG RIFA PRECISION MACHINERY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |