CN109955079A - A kind of unloading mechanism driven type heavy caliber gas-static turntable - Google Patents
A kind of unloading mechanism driven type heavy caliber gas-static turntable Download PDFInfo
- Publication number
- CN109955079A CN109955079A CN201910313842.5A CN201910313842A CN109955079A CN 109955079 A CN109955079 A CN 109955079A CN 201910313842 A CN201910313842 A CN 201910313842A CN 109955079 A CN109955079 A CN 109955079A
- Authority
- CN
- China
- Prior art keywords
- fixed
- restriction device
- load bearing
- platen
- heavy caliber
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
- B23Q1/38—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members using fluid bearings or fluid cushion supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
- B23Q1/52—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism a single rotating pair
- B23Q1/522—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism a single rotating pair which is perpendicular to the working surface
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses a kind of unloading mechanism driven type heavy caliber gas-static turntables, including granite workbench, upper stationary. platen, mandrel, lower stationary. platen, upper porous restriction device, lower porous restriction device, radial porous matter flow controller, granite workbench is fixed with upper stationary. platen, " I-shaped " structure is connected by mandrel and lower stationary. platen, lower stationary. platen connect sleeve big end with mover and fixes, off-load bearing rotor connecting shaft is nested in mover connection sleeve, the bottom of off-load bearing rotor connecting shaft is fixed with big belt wheel, ball bearing outer ring is fixed with big belt wheel inner hole, inner ring is fixed with off-load bearing mounting base, off-load bearing mounting base top is fixed with shell support, big belt wheel is connected by belt with small pulley.It is driven in such a way that unloading-structure adds belt wheel in the present invention, one side driving method is more economical, has adjustability, and the unbalance loading torque along radial direction is not transmitted while on the other hand transmitting rotation torque, can significantly improve transmission accuracy.
Description
Technical field
The present invention relates to accurate superfinishing manufacturing equipment technical fields, and in particular to a kind of unloading mechanism driven type heavy caliber gas
Body static pressure turntable.
Background technique
Accurate and Ultra-precision Turning equipment is accurate and Ultra-precision Turning basis, and the precision of turntable directly affects equipment
Precision, be equipment guarantee machining accuracy core component, not only there is high running accuracy, good load-bearing rigidity is heavier
Want be it is at low cost, can mass.
From structure type, the conventionally employed contact roller bearing of heavy caliber turntable at present, machining accuracy is low, frictional resistance
Greatly, vibration and noise are larger, and easy to wear, the service life is short, and lubricant has pollution；From driving method, accurate or ultraprecise is big at present
For bore turntable mainly by the way of direct drive of torque motor, driving precision is high, but the drive system of its configuration and feedback system at
This valuableness.
Summary of the invention
For above-mentioned there are problem, that the purpose of the present invention is to provide a kind of machining accuracies is high, bearing capacity is good, at low cost
A kind of unloading mechanism driven type heavy caliber gas-static turntable.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of unloading mechanism driven type heavy caliber gas is quiet
Turntable, including granite workbench, upper stationary. platen, mandrel, lower stationary. platen are pressed, the granite workbench and upper stationary. platen are solid
It is fixed, composition " I-shaped " structure, the contact surface of the granite workbench and shell support are connect with lower stationary. platen by mandrel
Lower porous restriction device, radial porous matter is arranged in the contact surface of porous restriction device in upper setting, shell support and lower stationary. platen
Flow controller is installed between shell support and mandrel, and the lower stationary. platen connect sleeve big end with mover and fixes, and off-load bearing turns
Sub- connecting shaft is nested in the mover connection sleeve, and the bottom of the off-load bearing rotor connecting shaft is fixed with big belt wheel, institute
The big belt wheel inner hole stated is fixed with ball bearing outer ring, and ball bearing inner ring is fixed with off-load bearing mounting base, the off-load axis
It holds mounting base top and shell support is fixed and locked by locking nut, the big belt wheel is connected by belt with small pulley
It connects, small pulley is connected to the motor by flat key, and motor is fixed with small pulley support base.
Further, the mover connection sleeve and off-load bearing rotor connecting shaft are T shape, and the mover connects sleeve packet
Include the sleeve of end cap and inner hollow, sleeve lining is symmetrical arranged keyway, the off-load bearing rotor connecting shaft include end cap and
Connecting shaft, the connecting shaft outer wall are symmetrically arranged with and the matched flat key of the keyway.
Further, the off-load bearing mounting base is right-angle Z-shaped, including the first bending part disposed in parallel and third bending
Portion, the second bending part are connected between the first bending part and third bending part, and the end of third bending part is equipped with end cap, third folding
The end cap of turn of bilge is fixed on shell support, and the first bending part is fixed with ball bearing inner ring.
Further, the small pulley inner ring is fixedly connected with small pulley connection sleeve, and small pulley connector sleeve is equipped with keyway, electricity
The motor shaft of machine is equipped with flat key, the key cooperation on the keyway and motor on small pulley, and is fixed by lock shaft.
Further, the internal diameter of the mover connection sleeve is equal with the outer diameter of the off-load bearing rotor connecting shaft, described
The number of keyway is equal with the number of the flat key.
Further, the upper porous restriction device and lower porous restriction device are made of 8 pieces of fan-shaped porous materials,
Radial through-hole is equipped in the upper porous restriction device and lower porous restriction device, be equipped in the shell support with it is described more
The parallel lateral venthole of hole matter flow controller, the lateral ventilation bore end are led to gas by oblique 45 ° of venthole
Enter into the radial through-hole in upper porous restriction device, the radial porous matter flow controller is evenly distributed with air channel, and the radial direction is more
Hole matter flow controller excircle is equipped with and the vertically disposed through slot of the air channel, the radial porous matter flow controller outer diameter band
There is 1 ° of cone angle.
Further, the upper porous restriction device, lower porous restriction device and radial porous matter flow controller are all made of graphite
Material.
Further, the ball bearing is equipped with inner spacing collar and outer separator.
Further, the belt is V-type band, and the big belt wheel and small pulley are V-type belt wheel.
It further, further include drip tray, the drip tray is fixed on granite workbench two sides, the granite work
Make to fix turntable on platform, the drip tray is located at below the turntable.
Compared with prior art, the beneficial effects of the present invention are:
1. turntable integrally uses I-shaped structure, it is made of upper stationary. platen, mandrel, lower stationary. platen, ensure that turntable is preferable
Rigidity and assembly process process；
It is connected 2. mandrel connects sleeve by mover with off-load bearing rotor connecting shaft, big belt wheel is transmitted by double bond and driven
The rotation of turn platform guarantees steady transmission；
3. air-float turntable is designed using back-pressure structure, upper porous restriction device is axial main loading bearing, lower Porous section
Flowing device is axial back pressure bearing, and radial porous matter flow controller static pressure face is complete axial symmetry cylindrical structure, thereon any carrying
Position and the position back pressure each other on axis of rotation symmetry direction, significantly improve turntable load-bearing rigidity and stability；
4. big belt wheel is cooperated by rolling bearing and off-load bearing mounting base, while off-load bearing mounting base and shell support
Fixed, rolling bearing, off-load bearing mounting base all have stronger rigidity, and the lateral unbalance loading load in big belt wheel transmission process is logical
Rolling bearing and the unloading of off-load bearing mounting base are crossed, and rotation torque passes to off-load bearing rotor connecting shaft by big belt wheel,
Then off-load bearing rotor connecting shaft connect with mover sleeve be connected by key deliver torque to mover connection sleeve, most rear-guard
Body static pressure turntable of taking offence rotation guarantees that transmission system only transmits torque and do not transmit unbalance loading torque；
5. big belt wheel is connect by belt with small pulley, small pulley and motor are cooperated by key, guarantee that transmission process is steady,
With good flexibility and elasticity, and cost is relatively low.
6. traditional axial flow controller is that axially grooved mode is ventilated, venthole is vertically ventilated to flow controller from shell,
Such mode easily causes ventilation hole plug in the installation bonding process of flow controller, and lateral venthole is used in the present invention
Mode, gas is passed into the radial through-hole in upper porous restriction device by oblique 45 ° of venthole, due to viscous
Connect be under resin glue gravity it is defluent, do not allow flow into flow controller lateral venthole, be difficult to result in blockage, and such
Air channel needed for ventilation scheme is less, and craftsmanship is more preferable.
7. supporting between stator and rotor by left and right air film, and there is good homogenization to turn error, therefore
Precision is high, and no friction, vibration and noise is smaller, and the service life is long, clean.
Detailed description of the invention
Fig. 1 is unloading mechanism driven type heavy caliber gas-static turntable overall structure diagram in present example；
Fig. 2 is upper porous restriction device sectional view in present example；
Fig. 3 is lower porous restriction device sectional view in present example；
Fig. 4 is radial porous restriction device top view in present example；
Fig. 5 is sectional view along A-A in Fig. 4 of the present invention；
Radial porous restriction device main view in Fig. 6 present example；
Fig. 7 is off-load bearing rotor connecting shaft schematic diagram in present example；
Fig. 8 is that mover connects sleeve schematic diagram in present example；
In figure: stationary. platen under 1- granite workbench, the upper stationary. platen of 2-, 3-, 4- mandrel, 5- radial porous matter flow controller,
The upper porous restriction device of 6-, 7- small pulley support base, 8- servo motor, 9- small pulley, 10- small pulley connection sleeve, 11- locking
Axis, 12- belt, 13- big belt wheel, 14- locking nut, 15- off-load bearing mounting base, the first bending part of 1501-, 1502- second
Bending part, 1503- third bending part, 16- mover connect sleeve, 17- off-load bearing rotor connecting shaft, 18- lathe bed, 19- ball
Porous restriction device, 23- shell support, 24- drip tray, 25- turntable, 26- under bearing, 20- outer separator, 21- inner spacing collar, 22-
Air channel, 27- through slot, 28- radial through-hole.
Specific embodiment
The present invention provides a kind of unloading mechanism driven type heavy caliber gas-static turntable.Skill provided by the embodiment of the present invention
Art scheme in order to solve the above technical problems, in order to better understand the above technical scheme, below in conjunction with Figure of description and
The above described technique is demenstrated in detail for specific embodiment.
As shown in Figure 1, including granite workbench 1, upper stationary. platen 2, lower stationary. platen 3, mandrel 4, the throttling of radial porous matter
Device 5, upper porous restriction device 6 and lower porous restriction device 22, small pulley support base 7, servo motor 8, small pulley 9, small pulley
It connects sleeve 10, lock shaft 11, belt 12, big belt wheel 13, locking nut 14, off-load bearing mounting base 15, mover and connects sleeve
16, off-load bearing rotor connecting shaft 17, lathe bed 18, ball bearing 19, outer separator 20, inner spacing collar 21, shell support 23, drip tray
24, turntable 25.
Granite workbench 1 and upper stationary. platen 2 are fixed, connect " I-shaped " knot of composition with lower stationary. platen 3 by mandrel 4
Upper porous restriction device 6 is set on structure, the granite workbench 1 and the contact surface of shell support 23, and shell support, 2 under
Lower porous restriction device 22 is arranged in the contact surface of stationary. platen 3, and radial porous matter flow controller 4 is installed on shell support 23 and mandrel 4
Between, the lower stationary. platen 3 connect 16 big end of sleeve with mover and fixes, and off-load bearing rotor connecting shaft 17 is nested in the mover
It connects in sleeve 16, the bottom of the off-load bearing rotor connecting shaft 17 and big belt wheel 13 are fixed, 13 inner hole of big belt wheel
It is fixed with 19 outer ring of ball bearing, 19 inner ring of ball bearing is fixed with off-load bearing mounting base 15 and is locked by locking nut 14
Tightly, 15 top of off-load bearing mounting base and shell support 23 are fixed, and big belt wheel 13 is connected by belt 12 with small pulley 9
It connects, small pulley 9 is connected by flat key with servo motor 8, and servo motor 8 is fixed with small pulley support base.
In the above-described embodiments, the lateral venthole parallel with the upper porous restriction device, institute are equipped in shell support
State the radial through-hole that gas is passed into upper porous restriction device by lateral ventilation bore end by oblique 45 ° of venthole
In, in the present embodiment by the way of lateral venthole, it is intracorporal that gas is passed by shell by oblique 45 ° of venthole
In lateral annular groove, due to be under bonding resin glue gravity it is defluent, do not allow the lateral venthole for flowing into flow controller, very
Difficulty results in blockage, and air channel needed for such ventilation scheme is less, and craftsmanship is more preferable.
As shown in Figure 7 and Figure 8, further preferred scheme, mover connect sleeve 16 and off-load bearing rotor connecting shaft 17
It is T shape, mover connects the sleeve that sleeve 16 includes end cap and inner hollow, and sleeve lining is symmetrical arranged keyway, off-load bearing
Rotor connecting shaft 17 include end cap and connecting shaft, the connecting shaft outer wall be symmetrically arranged with the matched flat key of the keyway,
In, mover connect sleeve 16 internal diameter it is equal with the outer diameter of the off-load bearing rotor connecting shaft 17, the number of the keyway and
The number of the flat key is equal.
In the above-described embodiments, off-load bearing mounting base 15 is right-angle Z-shaped, including the first bending part 1501 disposed in parallel
With third bending part 1503, the second bending part 1502 is connected between the first bending part 1501 and third bending part 1503, third
The end of bending part 1503 is equipped with end cap, and the end cap of third bending part is fixed on shell support, the first bending part 1501 and rolling
19 inner ring of pearl bearing is fixed.
9 inner ring of small pulley is fixedly connected with small pulley connection sleeve 10, and small pulley connects sleeve 10 and is equipped with keyway, servo electricity
The motor shaft of machine 8 is equipped with flat key, and the key on keyway and servo motor 8 on small pulley 9 cooperates, and is carried out by lock shaft 11
It is fixed.
In the above-described embodiments, big belt wheel 13 and off-load bearing (ball) cover and off-load bearing rotor connecting shaft 17 are fixed, pass through
It connect the double bond cooperation of sleeve 16 with mover, passes motion to I-shaped turntable.Big belt wheel 13 passes through ball bearing 19 simultaneously
It is mounted on 15 small end outer wall of off-load bearing mounting base, off-load bearing mounting base 15 and shell support 23 are fixed, in transmission process
The middle transverse load for generating belt is unloaded by bearing mounting base, and rotary course intermediate station rotating part is avoided to topple, and is guaranteed
Driving torque, vertical direction can move freely.
As shown in figures 2-6, further preferred scheme is that upper porous restriction device 6 and lower porous restriction device 22 are by 8
Block sector porous material composition, Fig. 2 and Fig. 3 show the knots of 1/8 upper porous restriction device 6 and lower porous restriction device 22
Radial through-hole 28 is equipped in structure schematic diagram, the upper porous restriction device and lower porous restriction device, it is as Figure 4-Figure 6, radial
Porous restriction device 5 is evenly distributed with air channel 26, and radial porous matter flow controller excircle is equipped with and is vertically arranged with the air channel
Through slot 27, the radial porous matter flow controller outer diameter have 1 ° of cone angle.
In the above-described embodiments, upper porous restriction device, lower porous restriction device and radial porous matter flow controller are all made of
Graphite material, upper porous restriction device are axial main loading bearing, and lower porous restriction device is axial back pressure bearing, and radial more
Hole matter flow controller static pressure face is complete axial symmetry cylindrical structure, arbitrarily carries position thereon and along axis of rotation symmetry direction
Position back pressure each other, significantly improves turntable load-bearing rigidity and stability.
Further preferred scheme is that ball bearing is equipped with inner spacing collar and outer separator；Belt is V-type band, the big band
Wheel and small pulley are V-type belt wheel；Drip tray is fixed on granite workbench two sides, fixes on the granite workbench
Turntable, the drip tray are located at below the turntable, and drip tray is mainly used for recycling coolant liquid, cutting fluid in process
Deng, at the same can prevent liquid it is low-priced enter aerostatic bearing in, result in blockage, corrode.
Specific embodiments of the present invention are described in detail above, but it is intended only as one such embodiment,
The present invention is not restricted to particular embodiments described above.To those skilled in the art, any couple of present invention carries out
Equivalent modifications and substitution also all among scope of the invention.Therefore, made without departing from the spirit and scope of the invention
Equal transformation and modification, all should be contained within the scope of the invention.
Claims (10)
1. a kind of unloading mechanism driven type heavy caliber gas-static turntable, including granite workbench, upper stationary. platen, mandrel, under
Stationary. platen, the granite workbench are fixed with upper stationary. platen, and composition " I-shaped " structure is connect with lower stationary. platen by mandrel,
Upper porous restriction device is set on the contact surface of the granite workbench and shell support, and shell support connects with lower stationary. platen
Lower porous restriction device is arranged in contacting surface, and radial porous matter flow controller is installed between shell support and mandrel, it is characterised in that: institute
It states lower stationary. platen and connect sleeve big end with mover and fix, off-load bearing rotor connecting shaft is nested in the mover connection sleeve,
The bottom of the off-load bearing rotor connecting shaft is fixed with big belt wheel, and the big belt wheel inner hole is fixed with ball bearing outer ring,
Ball bearing inner ring and off-load bearing mounting base are fixed and are locked by locking nut, off-load bearing mounting base top and shell
Body support is fixed, and the big belt wheel is connected by belt with small pulley, and small pulley is connected to the motor by flat key, motor with it is small
Belt wheel support base is fixed.
2. a kind of unloading mechanism driven type heavy caliber gas-static turntable according to claim 1, it is characterised in that: described
Mover connects sleeve and off-load bearing rotor connecting shaft is T shape, and the mover connection sleeve includes end cap and inner hollow
Sleeve, sleeve lining are symmetrical arranged keyway, and the off-load bearing rotor connecting shaft includes end cap and connecting shaft, outside the connecting shaft
Wall is symmetrically arranged with and the matched flat key of the keyway.
3. a kind of unloading mechanism driven type heavy caliber gas-static turntable according to claim 1, it is characterised in that: described
Off-load bearing mounting base is right-angle Z-shaped, including the first bending part disposed in parallel and third bending part, the second bending part are connected to
Between first bending part and third bending part, the end of third bending part is equipped with end cap, and the end cap of third bending part is fixed on shell
On body support, the first bending part is fixed with ball bearing inner ring.
4. a kind of unloading mechanism driven type heavy caliber gas-static turntable according to claim 1, it is characterised in that: described
Small pulley inner ring is fixedly connected with small pulley connection sleeve, and small pulley connects sleeve and is equipped with keyway, and the motor shaft of motor is equipped with
Flat key, the key cooperation on the keyway and motor on small pulley, and be fixed by lock shaft.
5. a kind of unloading mechanism driven type heavy caliber gas-static turntable according to claim 2, it is characterised in that: described
The internal diameter that mover connects sleeve is equal with the outer diameter of the off-load bearing rotor connecting shaft, the number of the keyway and the flat key
Number it is equal.
6. a kind of unloading mechanism driven type heavy caliber gas-static turntable according to claim 1, it is characterised in that: described
Upper porous restriction device and lower porous restriction device be made of 8 pieces of fan-shaped porous materials, the upper porous restriction device
With radial through-hole is equipped in lower porous restriction device, the side parallel with the upper porous restriction device is equipped in the shell support
To venthole, gas is passed into upper porous restriction device by oblique 45 ° of venthole by the lateral ventilation bore end
In radial through-hole in, the radial porous matter flow controller is evenly distributed with air channel, and on the radial porous matter flow controller excircle
Equipped with the vertically disposed through slot of the air channel, the radial porous matter flow controller outer diameter have 1 ° of cone angle.
7. a kind of unloading mechanism driven type heavy caliber gas-static turntable according to claim 6, it is characterised in that: described
Upper porous restriction device, lower porous restriction device and radial porous matter flow controller are all made of graphite material.
8. a kind of unloading mechanism driven type heavy caliber gas-static turntable according to claim 1, it is characterised in that: described
Ball bearing is equipped with inner spacing collar and outer separator.
9. a kind of unloading mechanism driven type heavy caliber gas-static turntable according to claim 1, it is characterised in that: described
Belt is V-type band, and the big belt wheel and small pulley are V-type belt wheel.
10. a kind of unloading mechanism driven type heavy caliber gas-static turntable according to claim 1, it is characterised in that: also
Including drip tray, the drip tray is fixed on granite workbench two sides, fixes turntable on the granite workbench, institute
Drip tray is stated to be located at below the turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313842.5A CN109955079B (en) | 2019-04-18 | 2019-04-18 | Unloading mechanism transmission type large-caliber gas static pressure rotary table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313842.5A CN109955079B (en) | 2019-04-18 | 2019-04-18 | Unloading mechanism transmission type large-caliber gas static pressure rotary table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109955079A true CN109955079A (en) | 2019-07-02 |
| CN109955079B CN109955079B (en) | 2020-06-09 |
Family
ID=67026312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910313842.5A Active CN109955079B (en) | 2019-04-18 | 2019-04-18 | Unloading mechanism transmission type large-caliber gas static pressure rotary table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109955079B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486383A (en) * | 2019-08-27 | 2019-11-22 | 江苏集萃精凯高端装备技术有限公司 | A kind of production method of aerostatic bearing matrix and its surface micro-structure |
| CN112548703A (en) * | 2020-12-23 | 2021-03-26 | 安吉圆磨机械科技股份有限公司 | Vertical inner and outer circle grinding machine capable of grinding inner and outer circles simultaneously |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229107A (en) * | 2011-05-31 | 2011-11-02 | 无锡市明鑫数控磨床有限公司 | Rotary table for vertical grinder |
| CN202065344U (en) * | 2010-11-11 | 2011-12-07 | 伟宝精密有限公司 | Fluid hydrostatic bearing rotary workbench |
| JP2012125865A (en) * | 2010-12-15 | 2012-07-05 | Koyo Mach Ind Co Ltd | Rotary table |
| CN203125149U (en) * | 2013-04-11 | 2013-08-14 | 黑旋风锯业股份有限公司 | Static pressure support rotary table |
| CN103801944A (en) * | 2014-03-10 | 2014-05-21 | 北京微纳精密机械有限公司 | Large-diameter aerostatic turntable structure |
-
2019
- 2019-04-18 CN CN201910313842.5A patent/CN109955079B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202065344U (en) * | 2010-11-11 | 2011-12-07 | 伟宝精密有限公司 | Fluid hydrostatic bearing rotary workbench |
| JP2012125865A (en) * | 2010-12-15 | 2012-07-05 | Koyo Mach Ind Co Ltd | Rotary table |
| CN102229107A (en) * | 2011-05-31 | 2011-11-02 | 无锡市明鑫数控磨床有限公司 | Rotary table for vertical grinder |
| CN203125149U (en) * | 2013-04-11 | 2013-08-14 | 黑旋风锯业股份有限公司 | Static pressure support rotary table |
| CN103801944A (en) * | 2014-03-10 | 2014-05-21 | 北京微纳精密机械有限公司 | Large-diameter aerostatic turntable structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486383A (en) * | 2019-08-27 | 2019-11-22 | 江苏集萃精凯高端装备技术有限公司 | A kind of production method of aerostatic bearing matrix and its surface micro-structure |
| CN110486383B (en) * | 2019-08-27 | 2021-08-03 | 江苏集萃精凯高端装备技术有限公司 | Aerostatic bearing matrix and manufacturing method of surface microstructure thereof |
| CN112548703A (en) * | 2020-12-23 | 2021-03-26 | 安吉圆磨机械科技股份有限公司 | Vertical inner and outer circle grinding machine capable of grinding inner and outer circles simultaneously |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109955079B (en) | 2020-06-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0410293B1 (en) | Spindle motor | |
| CN101229590A (en) | Ultra-sophisticated aerostatic motorized spindle system | |
| CN109955079A (en) | A kind of unloading mechanism driven type heavy caliber gas-static turntable | |
| CN209407932U (en) | A kind of direct-drive type turret device based on fluid pressure composite bearing | |
| CN111015253A (en) | Five-axis structure of cam-type cradle | |
| CN110788633A (en) | Cradle type composite rotary table | |
| CN1005352B (en) | Bearing structures | |
| CN107110334A (en) | The planetary transmission minimized comprising two central gears and back lash | |
| CN109399100A (en) | Driving guide rail trolley certainly suitable for curvilinear guide | |
| CN201913474U (en) | Rotary device used on heavy equipment | |
| CN101398119B (en) | Self-driving round rotating platform of three-surface static pressure closed type guiding rail | |
| CN102794469A (en) | High-precision high-speed motor spindle | |
| JP2000346079A (en) | Rolling bearing | |
| CN116857282A (en) | Ultra-precise aerostatic bearing turntable | |
| CN109968155A (en) | A kind of loading device for single side accurate grinding grinding machine | |
| CN211638997U (en) | Five-axis structure of cam-type cradle | |
| CN201989042U (en) | Ball grinding machine with double-rotor hydrostatic bearing structure | |
| CN111207922B (en) | High-power high-rotation-speed planetary speed change mechanism test device | |
| CN209125756U (en) | A kind of air-float turntable that stability is high | |
| CN115335616A (en) | Friction drive device | |
| EP0197457B1 (en) | High-speed spindle | |
| CN102691722A (en) | Two-degree-of-freedom rotary bearing | |
| CN202690934U (en) | Ball screw | |
| CN203614590U (en) | Combined type rotary table bearing for precision milling machine | |
| CN110480062A (en) | A kind of cam mechanism type axial vibration drilling equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |