CN206614053U - Double axle cylinder sleeve boring machines of four cutter head of main spindle box eight - Google Patents
Double axle cylinder sleeve boring machines of four cutter head of main spindle box eight Download PDFInfo
- Publication number
- CN206614053U CN206614053U CN201720090602.XU CN201720090602U CN206614053U CN 206614053 U CN206614053 U CN 206614053U CN 201720090602 U CN201720090602 U CN 201720090602U CN 206614053 U CN206614053 U CN 206614053U
- Authority
- CN
- China
- Prior art keywords
- main spindle
- spindle box
- frock
- boring
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a kind of pair of axle cylinder sleeve boring machine of four cutter head of main spindle box eight.It includes base, column, main spindle box leading screw, main spindle box mounting blocks, spindle motor, motor mounting plate, main spindle box, rough boring cutter, fine boring cutter, frock clamp body, workbench.The utility model is equipped with two main spindle boxes, and each main spindle box configures four cutter shafts, and main spindle box is exported using synchronous belt pulley transmission, realizes a spindle motor while driving four boring cutter axles to synchronize motion, rough boring cutter is moved simultaneously with fine boring cutter.Frock clamp body of the present utility model, using numerical control hydraulic type, efficiently can firmly fix workpiece, realize clamping force regulation during thick, right boring, more improve the precision of workpiece after processing.The utility model application method is simple, relatively low to workman's technical requirements, can not only effectively improve the production efficiency of bore hole, and result in the cylinder product of degree of precision.
Description
Technical field
The utility model is related to a kind of cylinder sleeve boring machine, more particularly to a kind of pair of axle cylinder sleeve of four cutter head of main spindle box eight
Boring machine.
Background technology
Boring machine is the lathe for carrying out boring to the existing pre-manufactured hole of workpiece with boring cutter.Generally, boring cutter rotates to be main motion, boring
The movement of knife or workpiece is feed motion.Workpiece is motionless during work, allows cutter to move, by center cutter alignment hole center, and
Rotate cutter.
It is mainly used in machining high-precision hole or one-time positioning completes the finishing in multiple holes, can additionally be engaged in and hole
The processing of other relevant machined surfaces of finishing.Drilling, milling, the processing of cutting can be also carried out using different cutter and annex
Precision and surface quality are higher than drilling machine.Boring machine is the capital equipment of large-size box part processing.Screw thread can also be processed and added
Work is cylindrical and end face etc..
Existing cylinder sleeve boring machine in machining accuracy and the part that can be processed all constantly is being lifted in scope.
But cylinder sleeve boring machine in the market it is common be all structure using the single boring cutter of tradition, in production efficiency and convenient
Property on also have the space that is further lifted.
And for boring machine fixture fixture, in the market commonly manual, fixture automatization level be not also it is very high, more
Do not have for clamping force needed for thick, right boring is of different sizes and can automatically adjust hydraulic tool fixture.
The content of the invention
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of pair of axle cylinder cylinder of four cutter head of main spindle box eight
Cover boring machine and its control method.
A kind of pair of axle cylinder sleeve boring machine of four cutter head of main spindle box eight includes base, column, main spindle box mounting blocks, main spindle box silk
Thick stick, spindle motor, motor mounting plate, main spindle box, rough boring cutter, fine boring cutter, frock clamp body and workbench, and frock clamp body
Frock side plate, pressure plate cylinder, frock flat board, pressure ring, workpiece lasso, universal bearing, pressing plate, positioning mandril, oil pipe seat, frock
Sleeve, guide sleeve, shoring back seat, shoring back seat oilhole, shoring and positioning head, and the fuel tank including hydraulic means,
Oil absorption filter, Oil pump electrical machinery, variable vane pump, oil filler, liquid level gauge, forced air cooler, return line, in-line, superposition
Formula check valve, pressure-reducing valve, the first solenoid directional control valve, the second solenoid directional control valve, the 3rd solenoid directional control valve and oil circuit board；
Column and workbench are fixed on base, and main spindle box leading screw is arranged on column, and main spindle box mounting blocks are installed
It is connected on column with main spindle box leading screw, main spindle box is installed with main spindle box mounting blocks and fixed, spindle motor is installed installed in motor
On plate, electric machine support is connected to main spindle box upper end, and fixed rough boring cutter and fine boring cutter, frock clamp are installed in main spindle box lower end
Body is fixed on the table by frock side plate；
Frock flat board is bolted on frock side plate, and pressure plate cylinder and positioning mandril are fixed on frock flat board,
Pressing plate is connected with pressure plate cylinder by bolt and universal bearing, and pressure ring is arranged on pressing plate, and frock sleeve is fixed by frock flat board
Position is fixed, and workpiece lasso is fixedly mounted on frock sleeve on the table, and oil pipe seat is arranged on the frock side plate of side；Lead
To set fixing tool sleeve on, rear end is fixed with shoring back seat, and shoring is fixed in guide sleeve, shoring front end and
Positioning hook bolt is fixed rear end and is connected with shoring back seat oilhole；
Described in-line is connected with return line with fuel tank, and variable blade is connected between in-line and fuel tank
A point cooler, oil filler and liquid level gauge are provided with pump, fuel tank, variable vane pump is connected with Oil pump electrical machinery, pressure plate cylinder and oil
The 3rd solenoid directional control valve and the first solenoid directional control valve, the 3rd solenoid directional control valve and the first solenoid directional control valve are disposed between case
Between set gradually pressure-reducing valve and stacked unidirectional valve, shoring be disposed with in-line subtract stacked unidirectional valve and
Pressure-reducing valve is set on the second solenoid directional control valve, return line, and all oil circuits are arranged on oil circuit board.
Two rough boring cutters of each self installation of described single main spindle box and two fine boring cutters, it is real using synchronization belt wheel transmission structure
The synchronous axial system of existing four boring cutter axles.
The material of described guide sleeve is tin bronze.
Described shoring is force sensitive hydraulic cylinder, is to be set on equal angle distribution, each frock sleeve on frock sleeve
It is series connection to put 3 oil circuits, and each frock clamp body sets two frock sleeves to be symmetric, the clamping of each frock clamp body
Power switches with heavy boring, the operating mode of right boring.
The utility model is equipped with two main spindle boxes, and each main spindle box configures four cutter shafts, and main spindle box uses synchronous pulley
Transmission output, realizes a spindle motor while driving four boring cutter axles to synchronize motion, rough boring cutter and the same luck of fine boring cutter
It is dynamic, lathe, the free space of factory are taken full advantage of, the useful labor of workman is made full use of.And frock of the present utility model
Clamp body, using numerical control hydraulic type, efficiently can firmly fix workpiece, realize clamping force regulation during thick, right boring, keep away
Exempt from the excessive mismachining tolerance for occurring large deformation and bringing of clamping force during because of right boring, more improve the precision of workpiece after processing.This
Utility model application method is simple, and relatively low to workman's technical requirements, product space is compact, can not only effectively improve the life of bore hole
Efficiency is produced, and results in the cylinder product of degree of precision.
Brief description of the drawings
Fig. 1 is the side schematic view of the axle cylinder sleeve boring machine of a kind of pair of four cutter head of main spindle box of the utility model eight；
Fig. 2 is the front schematic view of the axle cylinder sleeve boring machine of a kind of pair of four cutter head of main spindle box of the utility model eight；
Fig. 3 illustrates for the frock clamp body main view of the axle cylinder sleeve boring machine of a kind of pair of four cutter head of main spindle box of the utility model eight
Figure；
Fig. 4 illustrates for the frock clamp body left view of the axle cylinder sleeve boring machine of a kind of pair of four cutter head of main spindle box of the utility model eight
Figure；
Fig. 5 overlooks signal for the frock clamp body of the axle cylinder sleeve boring machine of a kind of pair of four cutter head of main spindle box of the utility model eight
Figure；
Fig. 6 is the frock clamp body hydraulic system of the axle cylinder sleeve boring machine of a kind of pair of four cutter head of main spindle box of the utility model eight
Schematic diagram；
In figure, base 11, column 1, main spindle box mounting blocks 2, main spindle box leading screw 3, spindle motor 4, motor mounting plate 5, master
Axle box 6, rough boring cutter 7, fine boring cutter 8, frock clamp body 9, workbench 10, frock side plate 901, pressure plate cylinder 902, frock flat board
903rd, pressure ring 904, workpiece lasso 905, universal bearing 906, pressing plate 907, positioning mandril 908, oil pipe seat 909, frock sleeve
9010th, guide sleeve 9011, shoring back seat 9012, shoring back seat oilhole 9012h, shoring 9013, positioning head 9014, fuel tank
Y1, oil absorption filter Y2, Oil pump electrical machinery Y3, variable vane pump Y4, oil filler Y5, liquid level gauge Y6, forced air cooler Y7, return line
Y8, in-line Y9, stacked unidirectional valve Y10, pressure-reducing valve Y11, the first solenoid directional control valve Y12, the second solenoid directional control valve Y13,
3rd solenoid directional control valve Y14, oil circuit board Y15.
Embodiment
Shown in Fig. 1,2,3,4,5,6, a kind of pair of axle cylinder sleeve boring machine of four cutter head of main spindle box eight include base 11, column 1,
Main spindle box mounting blocks 2, main spindle box leading screw 3, spindle motor 4, motor mounting plate 5, main spindle box 6, rough boring cutter 7, fine boring cutter 8, frock
Clamp body 9 and workbench 10, and frock clamp body 9 frock side plate 901, pressure plate cylinder 902, frock flat board 903, pressure ring
904th, workpiece lasso 905, universal bearing 906, pressing plate 907, positioning mandril 908, oil pipe seat 909, frock sleeve 9010, guide sleeve
9011st, shoring back seat 9012, shoring back seat oilhole 9012h, shoring 9013 and positioning head 9014, and including hydraulic pressure dress
The fuel tank Y1 that puts, oil absorption filter Y2, Oil pump electrical machinery Y3, variable vane pump Y4, oil filler Y5, liquid level gauge Y6, forced air cooler Y7,
Return line Y8, in-line Y9, stacked unidirectional valve Y10, pressure-reducing valve Y11, the first solenoid directional control valve Y12, the second electromagnetism are changed
To valve Y13, the 3rd solenoid directional control valve Y14 and oil circuit board Y15；
Column 1 and workbench 10 are fixed on base 11, and main spindle box leading screw is arranged on column 1, and main spindle box is installed
Block 2 is arranged on column 1 and is connected with main spindle box leading screw 3, and main spindle box 6 is installed with main spindle box mounting blocks 2 and fixed, and spindle motor 4 is pacified
On motor mounting plate 5, motor mounting plate 5 is bolted to the upper end of main spindle box 6, and fixed rough boring cutter 7 is installed in the lower end of main spindle box 6
With fine boring cutter 8, frock clamp body 9 is fixed on workbench 10 by frock side plate 901；
Frock flat board 903 is bolted on frock side plate 901, and pressure plate cylinder 902 and positioning mandril 908 are fixed on
On frock flat board 903, pressing plate 907 is connected with pressure plate cylinder 902 by bolt and universal bearing 906, and pressure ring 904 is arranged on pressing plate
On 907, frock sleeve 9010 is fixed on workbench 10 by the positioning of frock flat board 903, and workpiece lasso 905 is fixedly mounted on work
On sleeved 9010, oil pipe seat 909 is arranged on the frock side plate 909 of side；On the fixing tool sleeve 9010 of guide sleeve 9011,
Rear end is fixed with shoring back seat 9012, and shoring 9013 is fixed in guide sleeve 9011, and the front end of shoring 9013 is with determining
The bolt of potential head 9014 is fixed rear end and is connected with shoring back seat oilhole 9012h；
Described in-line Y9 is connected with return line Y8 with fuel tank Y1, is connected between in-line Y9 and fuel tank Y1
A point cooler Y7, oil filler Y5 and liquid level gauge Y6, variable vane pump Y4 and oil pump electricity are provided with variable vane pump Y4, fuel tank Y1
Machine Y3 connections, are disposed with the 3rd solenoid directional control valve Y14 and the first solenoid directional control valve between pressure plate cylinder 902 and fuel tank Y1
Y12, pressure-reducing valve Y11 and stacked unidirectional valve are set gradually between the 3rd solenoid directional control valve Y14 and the first solenoid directional control valve Y12
Y10, shoring 9013 subtracts stacked unidirectional valve Y10 and the second solenoid directional control valve Y13, oil return with being disposed with in-line
Pressure-reducing valve Y11 is set on pipeline, and all oil circuits are arranged on oil circuit board Y15.
As shown in Figure 1, 2, two rough boring cutters 7 of each self installation of single main spindle box 6 and two fine boring cutters 8, using synchronous pulley
Drive mechanism realizes the synchronous axial system of four boring cutter axles；
As shown in Fig. 3,4,5, the material of described guide sleeve 9011 is tin bronze, and shoring 9013 is force sensitive hydraulic pressure
Cylinder, is that equal angle is distributed on frock sleeve 9010, it is series connection that 3 oil circuits are set on each frock sleeve 9010, each frock folder
Two frock sleeves 9010 of specific 9 setting are symmetric, and the clamping force of each frock clamp body (9) is with heavy boring, right boring
Operating mode and switch；
The control method of a kind of pair of axle cylinder sleeve boring machine of four cutter head of main spindle box eight comprises the following steps：
Process control method during workpiece：1) workpiece to be processed is fixed on workbench 10 by frock clamp body 9, moved
Dynamic workbench 10 so that the alignment pieces of rough boring cutter 7；
2) spindle motor 4 starts, and rough boring cutter 7 and the run-in synchronism of fine boring cutter 8, main shaft leading screw 3 are driven, and main spindle box 6 declines, slightly
Boring cutter 7 starts to process workpiece；
3) heavy boring process terminates, and main shaft leading screw 3 is operated, and main spindle box 6 rises, mobile work platform 10 so that fine boring cutter 8 is aligned
Workpiece；
4) main shaft leading screw 3 is operated, and main spindle box 6 declines, and fine boring cutter 8 starts to process workpiece；
5) right boring process terminates, and main shaft leading screw 3 is operated, and main spindle box 6 rises, and spindle motor 4 shuts down；
6) finished work is removed, prepares the next workpiece of processing.
The hydraulic system control method when Workpiece clamping of frock clamp body 9, release：1) when clamping, controller driving oil pump electricity
Machine Y3 drives variable vane pump Y4, toward in-line Y9 increase oil pressure, now passes through the 3rd solenoid directional control valve Y14, the first electromagnetism
Reversal valve Y12 and stacked unidirectional valve Y10 control and regulation, the right chamber oil-feed of pressure plate cylinder 902, left chamber oil return, piston rod to
Left movement, workpiece upper end is compacted；
2) simultaneously, by stacked unidirectional valve Y10 and the second solenoid directional control valve Y13 control and regulation, the oil of shoring 9013
Intracavitary oil pressure increase, piston rod is moved right, and side surface of workpiece stress is compacted；
3) workpiece completes clamping；
4) when heavy boring is processed, bite is big, and required clamping force is big, and bite is small when right boring is processed, and passes through pressure-reducing valve Y11
Reduce clamping force；
4) when unclamping, the 3rd solenoid directional control valve Y14, the first solenoid directional control valve Y12 and stacked unidirectional valve Y10 are passed through
Control to adjust, the left chamber oil-feed of pressure plate cylinder 902, right chamber oil return, piston rod is moved right, and pressing plate 907 leaves workpiece upper end；
5) simultaneously, by stacked unidirectional valve Y10 and the second solenoid directional control valve Y13 control and regulation, the oil of shoring 9013
Intracavitary oil pressure is reduced, and piston rod is released to left movement, side surface of workpiece stress；
6) workpiece is fully released.
Claims (4)
1. a kind of pair of axle cylinder sleeve boring machine of four cutter head of main spindle box eight, it is characterised in that including base（11）, column（1）, main shaft
Case mounting blocks（2）, main spindle box leading screw（3）, spindle motor（4）, motor mounting plate（5）, main spindle box（6）, rough boring cutter（7）, right boring
Knife（8）, frock clamp body（9）And workbench（10）, and frock clamp body（9）Frock side plate（901）, pressure plate cylinder
（902）, frock flat board（903）, pressure ring（904）, workpiece lasso（905）, universal bearing（906）, pressing plate（907）, positioning mandril
（908）, oil pipe seat（909）, frock sleeve（9010）, guide sleeve（9011）, shoring back seat（9012）, shoring back seat oilhole
（9012h）, shoring（9013）And positioning head（9014）, and the fuel tank including hydraulic means（Y1）, oil absorption filter（Y2）、
Oil pump electrical machinery（Y3）, variable vane pump（Y4）, oil filler（Y5）, liquid level gauge（Y6）, forced air cooler（Y7）, return line（Y8）、
In-line（Y9）, stacked unidirectional valve（Y10）, pressure-reducing valve（Y11）, the first solenoid directional control valve（Y12）, the second solenoid directional control valve
（Y13）, the 3rd solenoid directional control valve（Y14）And oil circuit board（Y15）；
Column（1）And workbench（10）It is fixed on base（11）On, main spindle box leading screw is arranged on column（1）On, main spindle box
Mounting blocks（2）Installed in column（1）Upper and main spindle box leading screw（3）Connection, main spindle box（6）With main spindle box mounting blocks（2）Install solid
It is fixed, spindle motor（4）Installed in motor mounting plate（5）On, motor mounting plate（5）It is bolted to main spindle box（6）Upper end, main shaft
Case（6）Lower end is installed by fixed rough boring cutter（7）And fine boring cutter（8）, frock clamp body（9）Pass through frock side plate（901）It is fixed on work
Make platform（10）On；
Frock flat board（903）It is bolted in frock side plate（901）On, pressure plate cylinder（902）And positioning mandril（908）Gu
It is scheduled on frock flat board（903）On, pressing plate（907）With pressure plate cylinder（902）Pass through bolt and universal bearing（906）Connection, pressure ring
（904）Installed in pressing plate（907）On, frock sleeve（9010）Pass through frock flat board（903）Positioning is fixed on workbench（10）On,
Workpiece lasso（905）It is fixedly mounted on frock sleeve（9010）On, oil pipe seat（909）Frock side plate installed in side（901）
On；Guide sleeve（9011）Fixing tool sleeve（9010）On, rear end and shoring back seat（9012）It is fixed, shoring（9013）Peace
Dress is fixed on guide sleeve（9011）It is interior, shoring（9013）Front end and positioning head（9014）Bolt fixes rear end and shoring back seat
Oilhole（9012h）Connection；
Described in-line（Y9）With return line（Y8）With fuel tank（Y1）Connection, in-line（Y9）With fuel tank（Y1）Between
It is connected with variable vane pump（Y4）, fuel tank（Y1）On be provided with a point cooler（Y7）, oil filler（Y5）And liquid level gauge（Y6）, variable
Vane pump（Y4）With Oil pump electrical machinery（Y3）Connection, pressure plate cylinder（902）With fuel tank（Y1）Between be disposed with the 3rd electromagnetism and change
To valve（Y14）With the first solenoid directional control valve（Y12）, the 3rd solenoid directional control valve（Y14）With the first solenoid directional control valve（Y12）Between according to
Secondary setting pressure-reducing valve（Y11）And stacked unidirectional valve（Y10）, shoring（9013）It is superimposed with being disposed with to subtract on in-line
Formula check valve（Y10）With the second solenoid directional control valve（Y13）, pressure-reducing valve is set on return line（Y11）, all oil circuits are arranged in oil
Road plate（Y15）On.
2. the axle cylinder sleeve boring machine of four cutter head of a kind of pair of main spindle box according to claim 1 eight, it is characterised in that described
Main spindle box（6）Two are had, each main spindle box installs two rough boring cutters（7）With two fine boring cutters（8）, using synchronous belt pulley transmission
Structure realizes the synchronous axial system of four boring cutter axles.
3. the axle cylinder sleeve boring machine of four cutter head of a kind of pair of main spindle box according to claim 1 eight, it is characterised in that described
Guide sleeve（9011）Material be tin bronze.
4. the axle cylinder sleeve boring machine of four cutter head of a kind of pair of main spindle box according to claim 1 eight, it is characterised in that described
Shoring（9013）For force sensitive hydraulic cylinder, in frock sleeve（9010）It is upper to be distributed for equal angle, each frock sleeve（9010）
It is upper to set 3 oil circuits to be series connection, each frock clamp body（9）Two frock sleeves are set（9010）It is symmetric, Mei Gegong
Clamping is specific（9）Clamping force switch with heavy boring, the operating mode of right boring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090602.XU CN206614053U (en) | 2017-01-24 | 2017-01-24 | Double axle cylinder sleeve boring machines of four cutter head of main spindle box eight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090602.XU CN206614053U (en) | 2017-01-24 | 2017-01-24 | Double axle cylinder sleeve boring machines of four cutter head of main spindle box eight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206614053U true CN206614053U (en) | 2017-11-07 |
Family
ID=60230205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720090602.XU Withdrawn - After Issue CN206614053U (en) | 2017-01-24 | 2017-01-24 | Double axle cylinder sleeve boring machines of four cutter head of main spindle box eight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206614053U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106807967A (en) * | 2017-01-24 | 2017-06-09 | 衢州学院 | A kind of pair of axle cylinder reboring machine of four cutter head of main spindle box eight and its control method |
| CN111503002A (en) * | 2020-06-01 | 2020-08-07 | 韩国昊 | Variable water pump |
-
2017
- 2017-01-24 CN CN201720090602.XU patent/CN206614053U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106807967A (en) * | 2017-01-24 | 2017-06-09 | 衢州学院 | A kind of pair of axle cylinder reboring machine of four cutter head of main spindle box eight and its control method |
| CN111503002A (en) * | 2020-06-01 | 2020-08-07 | 韩国昊 | Variable water pump |
| CN111503002B (en) * | 2020-06-01 | 2021-04-13 | 济宁安泰矿山设备制造有限公司 | Variable water pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103753322B (en) | The processing unit (plant) of differential casing and technique thereof | |
| CN102699403B (en) | Automatic spiral hole milling device | |
| CN204036158U (en) | A kind of numerical control end surface machining tool | |
| CN105328230B (en) | A kind of cylinder reboring machine and its method of double cutter heads | |
| CN110539171A (en) | Special milling and boring integrated machine | |
| CN202984717U (en) | Large cast full-automatic machining boring-milling machine | |
| CN105642937B (en) | A kind of automatic boring equipment of bushing and processing method | |
| CN206614053U (en) | Double axle cylinder sleeve boring machines of four cutter head of main spindle box eight | |
| CN105537995A (en) | Four-axis rotating jig | |
| CN106807967B (en) | A kind of four cutter head of double spindle boxes, eight axis cylinder sleeve boring machine and its control method | |
| CN201109033Y (en) | Fabrication chuck | |
| CN102773718B (en) | Rotating machinery processing work platform | |
| CN202639843U (en) | Fine grinding multi-function lathe | |
| CN211564587U (en) | Wheel spoke multiaxis drilling equipment | |
| CN207057666U (en) | A kind of sleeve radial direction hole processing device | |
| CN203887263U (en) | Drilling machine for brake pad | |
| CN207104323U (en) | A kind of multi-functional compound end face milling ＆ centering machine | |
| CN209754510U (en) | Numerical control double-shaft drilling and milling machine | |
| CN106271679A (en) | A kind of pentahedron composite processing machine tool | |
| CN103418824B (en) | A kind of can on workpiece the lathe of milling spherical groove, end face groove | |
| CN202667668U (en) | Special inner spherical surface processing device | |
| CN104259878A (en) | Milling machine top face milling clamp | |
| CN208230891U (en) | It is a kind of to bore porous radial drilling machine simultaneously | |
| CN204221036U (en) | A kind of butterfly valve Special two-side numerical control modular boring machine | |
| CN208303981U (en) | A kind of five axis carving and milling machines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171107 Effective date of abandoning: 20181116 |
|
| AV01 | Patent right actively abandoned |