CN202065344U - Fluid hydrostatic bearing rotary workbench - Google Patents
Fluid hydrostatic bearing rotary workbench Download PDFInfo
- Publication number
- CN202065344U CN202065344U CN2010206016693U CN201020601669U CN202065344U CN 202065344 U CN202065344 U CN 202065344U CN 2010206016693 U CN2010206016693 U CN 2010206016693U CN 201020601669 U CN201020601669 U CN 201020601669U CN 202065344 U CN202065344 U CN 202065344U
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- Prior art keywords
- hydrostatic bearing
- rotating disc
- fluid
- rotary workbench
- revolving table
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- Expired - Fee Related
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2322/00—Apparatus used in shaping articles
- F16C2322/39—General build up of machine tools, e.g. spindles, slides, actuators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0681—Construction or mounting aspects of hydrostatic bearings, for exclusively rotary movement, related to the direction of load
- F16C32/0696—Construction or mounting aspects of hydrostatic bearings, for exclusively rotary movement, related to the direction of load for both radial and axial load
Abstract
The utility model discloses a fluid hydrostatic bearing rotary workbench and is an improvement which mainly aims at resolving the problems that the contact of rigid bodies in the using process of a traditional rotary workbench rolling bearing leads rolling bodies to easily deform so as to shorten service life of the rolling bearing and affect machining accuracy of machines and tools. The fluid hydrostatic bearing rotary workbench is composed of a rotating disk, a hydrostatic bearing module, a plurality of throttlers, an axially spacing ring, a precision nut, an oil storing groove, a drive motor and a optimally-designed shake-proof base, wherein a radial bearing serving as a spindle is arranged under the rotating disk, and a plurality of vertically-annular axial pressure accumulating grooves and a plurality of inside-annular radial pressure accumulating grooves are arranged inside the hydrostatic bearing module. By adopting precise design, the fluid hydrostatic bearing rotary workbench can bear high-strength load. Due to the whole non-contact design and a fluid working principle, the rotary workbench can be kept in a non-abrasion state whenever the rotary workbench starts, runs or shuts down, thereby promoting working accuracy of the machines and the tools and further prolonging service life.
Description
Technical field
The utility model relates to a kind of revolving table that moves in a circle, particularly a kind of hydrostatic pressure revolving table based on hydrostatic bearing.
Background technique
The present various on the market revolving table that is equipped on vertical lathe, boring machine, milling machine and center processing machine, and though vertical or horizontal all be to use basically traditional rolling bearing (comprising thrust bearing) as radially with axial support.Traditional rolling bearing comprises ball bearing and roller bearing, when considering high speed, accuracy requirement, how based on ball bearing; If when being applied in large-scale (heavy type) facility, when promptly considering load-carrying, high load situation, then can change and adopt roller bearing, but it being unfavorable for high speed conditions use.Above-mentioned two kinds of rolling bearings in the running; still there is the contact of rigid body; the long-time use except meeting produces the collision and friction of rigid body; also can produce abrasion and temperature rise; even if under the protection of lubricant grease, because long-term running and height loading, cutting force influence still can make the rolling element distortion; therefore can shorten the life-span of rolling bearing, also can influence the machining accuracy of facility.
Industry revolving table mode commonly used now, except above-mentioned ball bearing and roller bearing, on large-scale toolroom machine for strengthening the performance aspect the loading, can be in the mode of class sliding bearing, on slip surface, attach the not wear plate of dragon and so on material of iron, the local artificial shovel flower mode of collocation is carried out pressure lubrication, the ability when though such mode can be strengthened loading and heavy cut at the use initial stage, but because use the wear plate of this class can make that reference level is inconsistent, add that long-time use still can produce abrasion, therefore precision can't promote, cause significantly reduce working life easily, increase extra frictional force easily in the mode of wear plate in addition, when being applied in large-scale facility, cause driving mechanism (as motor easily, worm and worm gear ... Deng) burden, indirectly also cause the life-span of driving mechanism to reduce easily.This shows that above-mentioned commonly used article and mode still have many disappearances, are not a good design, therefore still have sizable space of improving.
The model utility content
The technical problems to be solved in the utility model provides a kind of hydrostatic bearing revolving table, and it can improve the operating accuracy and the carrying rigidity of facility, increases the service life.
For solving the problems of the technologies described above, the utility model hydrostatic bearing revolving table mainly by a below have rotating disc, an inside as the radial bearing of main shaft be equiped with a plurality of section rollers up and down to pressure accumulation groove and a plurality of inner annular radially hydrostatic bearing module, several flow controllers, an axially spaced-apart ring, an accurate nut, of the pressure accumulation groove antivibration pedestal that holds oil groove, a drive motor and an optimal design constituted; Described rotating disc is a T font structure, its card is the geometry assembly of the arbitrary optimal design in circular or square, be mainly used to carry also firmly locking tool and workpiece, its structure is by the one-body molded processing of a solid alloy steel products (rigidity the best), described rotating disc or separated into two parts are promptly by a round rotating disk and a main shaft be fixed together (perpendicularity that must note both during assembling).This rotating disc top is table top, can quantity different T type groove and fixed screw holes be arranged according to different Demand Design, with the instrument (as chuck or disk) that conveniently installs different demands additional, because this rotating disc top is the reference level of table top, so its planar processing precision need reach in the 0.001mm/500mm; Similarly, the below of rotating disc is the surface of contact of axial hydrostatic bearing, and its plane precision also need reach in the 0.001mm/500mm, and keeps parallelism in the 0.0001mm with the said reference face; Main shaft then needs the interior vertical precision of two planes maintenance 0.001mm therewith, makes the most perfect dynamic precision of this hydrostatic bearing revolving table performance.This rotating disc side periphery design has the Drainage Design of an inclined-plane tapering, so that the cutting fluid of top landing is thrown away, avoids infiltrating hydrostatic bearing inside; Described hydrostatic bearing module then is a cylindrical structure, side also designs the Drainage Design of an inclined-plane tapering, inside be equiped with the quantity equity on, following section roller is to pressure accumulation groove and a plurality of inner annular pressure accumulation groove radially, and a plurality of precision machined fluid courses and several accurate fluid flow controllers, be connected by described a plurality of runners and described accurate fluid flow controller, the section roller of this top and bottom also need reach processing plane precision in the 0.001mm/500mm and the parallelism in the 0.0001mm to pressure accumulation groove plane, and described a plurality of inner annular pressure accumulation groove circumferential surface radially, also need reach in the 0.001mm the processing out of roughness and with above-mentioned two on vertical precision in the lower plane 0.001mm.In addition, one goes into the side that oilhole is located at this described hydrostatic bearing module, enter this hydrostatic bearing module hydraulic oil can along indoor design oil circuit on average enter upper and lower section roller to the pressure accumulation groove, providing upper and lower axially is the subtend static pressure thrust of Vertical direction; And enter the radially part of pressure accumulation groove of described inner annular, then providing radially is the subtend static pressure thrust of substantially horizontal; Described hydraulic oil by described flow controller throttling after, enter the gap of described hydrostatic bearing module and rotating disc body, form an airtight pressure fluid film.Described a plurality of flow controller then is installed in the hydrostatic bearing module body or is installed on the outside separately, the pressure accumulation groove is precisely sent in the throttling that is used for carrying out after the throttling, and produce a throttling impedance that can change, the axially and radially surface of contact of aforesaid rotating disc all closely is coated in pressure (high pressure) oil film; Described axially spaced-apart ring is loaded on main shaft place, rotating disc below, and it is shaped as L shaped or arbitrary geometrical shape, and the required gap of axial hydrostatic bearing of this hydrostatic bearing revolving table system is provided, and is fixed by an accurate nut; The described oil groove that holds is then collected the oil return that produces behind the aforementioned part fuel feeding, the spill port of its side is taken over and is connected with pressurized oil system, by the spill port adapter of side hydraulic oil being led oil return again presses in the unit, be injected into the aforesaid oilhole of going into by the motor pumping again, so constantly circulation constitutes a circuit fluid circuit.This holds oil groove except holding functional oil, and its side also is provided with a flange, which is provided with the screw hole that quantity does not wait, and aforesaid modular system directly can easily be locked on any toolroom machine to fix; Described drive motor mainly is responsible for power transmission, is fixed on the antivibration pedestal of optimal design, and this drive motor is connected with the main shaft of belt with the rotating disc below by belt pulley; Or adopt built-in motor, with commentaries on classics, the direct drive main spindle of stator pattern, with the main shaft of power transmission to the rotating disc below, the rotation of driven rotary dish sees through the adjustment of frequency variator, can carry out the variation of 0.1～thousands of r.p.m. different rotating speeds; The described module that another elasticity processing then is provided to different user accordingly through the antivibration pedestal of optimal design, it provides a stable fixed interface for above-mentioned modular system and motor, can not do under any change conditions at former processing machine tool, one complete hydrostatic bearing revolving table module directly is provided, directly can operates after the board locking on the frame.The antivibration pedestal of this optimal design can also make the excessive vibration of unlikely generation during hydrostatic bearing revolving table and the motor running, and can effectively provide antivibration, make all relevant spare parts constitute a complete platform, be applied to various machine tool platform.
The pure working fluid (hydraulic oil) of process high pressure filter is in pressurized oil system, export the oilhole of going into of hydrostatic bearing module side to by the effect of pumping, after entering oilhole, hydraulic oil flows into along the uniform flow passage ground of indoor design again, following section roller is to pressure accumulation groove and inner annular pressure accumulation groove radially, before passing through above-mentioned different pressure accumulation groove, hydraulic oil can be flowed through earlier and is installed in the interior a plurality of flow controllers of hydrostatic bearing module, flow out by aforesaid different pressure accumulation nozzle slots again through the hydraulic oil after the throttling, provide respectively, down axially be the static pressure thrust of Vertical direction and radial level direction static pressure thrust, and produce a throttling impedance that can change.Riddle axially and pressure (high pressure) oil film in the hydrostatic bearing gap radially this moment, rotating disc stably can be floated and keeps accurate parallelism and perpendicularity, make rotating disc under no abrasion state, carry out circular movement swimmingly, and keep certain rigid when permanent, no matter in card any point, rotating disc all can stably be kept plane precision by external pressure.
Hydrostatic bearing revolving table of the present utility model owing to there is not the generation of sliding friction, does not therefore need to attach wear plate again on slip surface, except reducing installation procedure and cost, because friction can also significantly not promote working life, reduce the cost and the time of maintenance in the future.In addition, the utility model hydrostatic bearing revolving table belongs to the hydrostatic pressure loop of total closed type, no matter the upper and lower circumference that axially reaches radially all has omnibearing hydrostatic pressure support force, only has local axial unidirectional and part circumference bearings power radially unlike conventional rolling bearing, therefore the utility model hydrostatic bearing revolving table has more superior stiffness and stability, and then can effectively promote machining accuracy and quality.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
Fig. 1 is the utility model embodiment constitutional diagram one;
Fig. 2 is the utility model embodiment constitutional diagram two;
Fig. 3 is Fig. 2 generalized section.
Embodiment
Fig. 1 to Fig. 3 is that the utility model hydrostatic bearing revolving table is implemented schematic representation, one columniform oil groove 9 bases that hold, can be locked on the lathe bed of arbitrary machine tool by flange on every side, or with the antivibration pedestal 11 of a square optimal design, be locked on one's body the machine tool, or directly be adsorbed on the electromagnetism working disk.Its top installing one hydrostatic bearing module 3, precision machining is passed through in its inside, be equiped with a plurality of fluid courses and several accurate fluid flow controllers 6, and in the different geometries position, install several reciprocity quantity on, following section roller is to pressure accumulation groove 4 and a plurality of inner annular pressure accumulation groove 5 radially, the section roller of this top and bottom need reach processing plane precision in the 0.001mm/500mm and the parallelism in the 0.0001mm to pressure accumulation groove plane, and these a plurality of inner annular pressure accumulation groove circumferential surface radially, also need reach in the 0.001mm the processing out of roughness and with above-mentioned two on vertical precision in the lower plane 0.001mm.Rotating disc 1 is a T font structure, its card can be the arbitrary optimal design geometry assembly in circular or square, be used for carrying also firmly locking tool and workpiece, its structure is by the one-body molded processing of a solid alloy steel products (rigidity the best), described rotating disc or separated into two parts, promptly be fixed together (perpendicularity that must note both during assembling) by a round rotating disk and a main shaft 2, rotating disc 1 below main shaft design has a threaded area.The rotating disc top is the reference level of table top, so its planar processing precision need reach in the 0.001mm/500mm; Similarly, the below of rotating disc is the surface of contact of axial hydrostatic bearing, and its plane precision also need reach in the 0.001mm/500mm, and keeps parallelism in the 0.0001mm with the said reference face; Main shaft 2 then need keeps the interior vertical precision of 0.001mm in two planes therewith, just can make the most perfect dynamic precision of this hydrostatic bearing revolving table performance.Below main shaft 2, then be equiped with an axially spaced-apart ring 7, the main axial clearance of being responsible for adjusting rotating disc 1 body and hydrostatic bearing module 3 is fixed its position by the accurate nut 8 of its below again, makes it keep required crack value.After above each assembly assembling collocation, just can provide the glade plane space of a precision.Directly install a drive motor 10 (for example D.D.Motor) at last in main shaft 2 lower ends, directly drive main spindle 2 drives the rotating disc 1 of top, as shown in Figure 2; Or at the side of the antivibration pedestal 11 of optimal design, directly install a drive motor 10 (for example servomotor), see through the transmission of belt pulley and belt, come indirect drive main spindle 2 and drive above rotating disc 1, as shown in Figure 1.Described fluid is liquid or gas.
When working fluid (hydraulic oil) export to by the start of pumping hydrostatic bearing module side go into oilhole 12 after, hydraulic oil flows into along the uniform flow passage ground of indoor design again, following section roller is to pressure accumulation groove 4 and inner annular pressure accumulation groove 5 radially, before passing through above-mentioned different pressure accumulation groove, hydraulic oil can be flowed through earlier and is installed in several flow controllers 6 in the hydrostatic bearing module 3, flow out by aforesaid different pressure accumulation nozzle slots again through the hydraulic oil after the throttling, provide respectively, down axially be the static pressure thrust of Vertical direction and radially be the static pressure thrust of substantially horizontal, and produce a throttling impedance that can change.Riddle axially and pressure (high pressure) oil film in the hydrostatic bearing gap radially this moment, rotating disc stably can be floated and keeps accurate parallel and perpendicularity, make rotating disc can under no abrasion state, carry out circular movement swimmingly, and keep certain rigid when permanent, no matter in card any point, rotating disc all can stably be kept plane precision by external pressure.
By as can be known aforementioned, hydrostatic bearing revolving table of the present utility model, as long as in regular turn with behind the related object process precise finish, can finish assembling after chimeric each other, need manually not shovel flower at the slide relative face of each contact or attach not wear plate such as dragon of iron that tradition uses, not only can reduce installation procedure relatively saving man-hour, and also quite convenient in maintenance.In addition, produce, therefore under zero abrasion situation, not only can promote dynamic precision and working life, in maintenance, also can significantly reduce the loaded down with trivial details maintenance procedure of conventional rolling bearing revolving table owing to there is no friction between rotating disc 1 and the hydrostatic bearing module 3.
Hydrostatic bearing revolving table of the present utility model and aforementioned rotating platform commonly used compare, and have following advantage:
At first because the utility model can make this rotating disc 1 be suspended between itself and the hydrostatic bearing module 3 in the crack by working fluid, even therefore both carry out circular movement repeatedly under high-speed case, can not produce frictional heat each other yet, can significantly reduce hot temperature rise, reduce thermal distortion, therefore no matter long-time or motion repeatedly at a high speed, machining accuracy can be do not influenced, the quality and the precision of operative workpiece can be effectively improved.In addition, when being applied to the precision indexing dividing function, can also effectively reduce the situation of viscid slip.
Secondly the utility model is because with accurate fluid flow controller 6 collocation hydrostatic bearings, so pressure difference of being caused down of the different impedances of compensation adjustment automatically, make the table top of rotating disc 1 top keep stable and balance forever, therefore, also can reach than conventional rolling bearing revolving table and add more excellent processing parameter in man-hour even under high loading or heavy cut situation.
Last the utility model combines with accurate fluid flow controller 6 and pressure (high pressure) working fluid, the rigidity that its pressure oil film is produced, the weight that can bear than conventional rolling bearing is higher, adds friction-free characteristic, is particularly suitable for the application of super large, superduty toolroom machine.
Be familiar with this operator understanding structure characteristics of the present utility model and other creation purpose and effect really for making, enumerated above-mentioned specific embodiment, and conjunction with figs. is shown and is described in detail, selected embodiment only is used for this case is described, this case can also other modes be implemented, so be familiar with this operator and do not breaking away under the creation spirit of the present utility model, the Fan Yiben explanation and make other change enforcement aspect, all belong to the application's claim.
In sum, the utility model hydrostatic bearing revolving table, its mainly by a below have rotating disc, an inside as the radial bearing of main shaft be equiped with a plurality of section rollers up and down to pressure accumulation groove and a plurality of inner annular radially hydrostatic bearing module, a plurality of flow controller, an axially spaced-apart ring, an accurate nut, of the pressure accumulation groove antivibration pedestal that holds oil groove, a drive motor and an optimal design constituted; Described rotating disc is a T font structure, and by the one-body molded processing of a solid alloy steel products (rigidity the best), this rotating disc or separated into two parts are promptly by a round rotating disk and a main shaft be fixed together (during assembling must both perpendicularity of attention).This rotating disc top is table top, the T type groove and the fixed screw holes of varying number can be arranged, with the instrument (as chuck or disk) that conveniently installs different demands additional according to different Demand Design.This rotating disc side periphery also designs the Drainage Design of an inclined-plane tapering, so that the cutting fluid of top landing is thrown away, avoids infiltrating hydrostatic bearing inside; Described hydrostatic bearing module then is a cylindrical structure, irregular structure is arranged in it, side also designs the Drainage Design of an inclined-plane tapering, the upper and lower section roller that inside is equiped with the quantity equity is to pressure accumulation groove and several inner annular pressure accumulation groove radially, one goes into the side that oilhole is located at this hydrostatic bearing module, the hydraulic oil that enters the hydrostatic bearing module on average enters upper and lower section roller to the pressure accumulation groove along the oil circuit of indoor design, and it provides the subtend static pressure thrust of upper and lower axial Vertical direction; And enter the radially part of pressure accumulation groove of inner annular, then be responsible for providing the subtend static pressure thrust of radial level direction; Described several flow controllers then are installed in the aforesaid hydrostatic bearing module, the throttling thrust that to carry out after the throttling is precisely sent into the pressure accumulation groove, and produce a throttling impedance that can change, the axially and radially surface of contact of aforesaid rotating disc all closely is coated in pressure (high pressure) oil film; Described axially spaced-apart ring provides the required gap of axial hydrostatic bearing of this hydrostatic bearing revolving table system, and is fixed by an accurate nut; The described oil groove major function of holding is then for collecting the oil return that produces behind the aforementioned part fuel feeding, by spill port 13 adapters of side hydraulic oil being led oil return again presses in the unit, be injected into the aforesaid oilhole of going into by the motor pumping again, so constantly circulation constitutes a circuit fluid circuit.This holds oil groove except holding functional oil, and its side also is provided with a flange, which is provided with the screw hole that quantity does not wait, and aforesaid modular system directly can easily be locked on any toolroom machine to fix; Described drive motor is responsible for power transmission, directly transmission, or by the connection of belt pulley and belt, with the main shaft of power transmission to the rotating disc below, the rotation of driven rotary dish sees through the adjustment of frequency variator, can carry out the variation of 0.1～thousands of r.p.m. different rotating speeds; The antivibration pedestal of this optimal design provides above-mentioned modular system and motor one stable fixed interface, make the excessive vibration of unlikely generation during hydrostatic bearing revolving table and the motor running, and can effectively provide antivibration, and make all relevant spare parts constitute a complete platform, can be applied to various machine tool platform.Through the hydrostatic pressure bearing revolving table of accurate design thus, can carry the height loading, because whole contactless design and fluid operating principles, no matter this revolving table is when starting, turning round or closing situation, all can keep not having abrasion state, so the utility model also has working life extremely for a long time except having very high degree of precision and carrying rigidity.
Claims (6)
1. hydrostatic bearing revolving table, it can be installed on arbitrary machine tool by below flange or the antivibration pedestal that installs optimal design additional, it is characterized in that, comprises:
One T font rotating disc, its card are the geometry assembly of the arbitrary optimal design in circular or square, and its structure is by the one-body molded processing of a solid alloy steel products; This rotating disc or separated into two parts promptly are fixed together by a round rotating disk and a main shaft;
One hydrostatic bearing module, its body is a cylindrical structure, the side design has the Drainage Design of an inclined-plane tapering, the upper and lower section roller that inside is equiped with the quantity equity is to pressure accumulation groove and a plurality of inner annular pressure accumulation groove radially, and a plurality of precision machined fluid course and several accurate fluid flow controllers;
One cylinder type holds oil groove, and the spill port of its side is taken over and is connected with pressurized oil system, and its side also is provided with a flange, and this flange is provided with the screw hole that quantity does not wait, and this screw hole can directly lock on any toolroom machine to fix;
One axially spaced-apart ring, it is by the accurate fixed by nut of its below;
One drive motor, it is fixed on the antivibration pedestal of optimal design, and this drive motor is connected with the main shaft of belt with the rotating disc below by belt pulley; This drive motor or adopt built-in motor, with change, the direct drive main spindle of stator pattern.
2. hydrostatic bearing revolving table as claimed in claim 1, it is characterized in that: the upper and lower section roller in the described hydrostatic bearing module is to pressure accumulation groove and inner annular pressure accumulation groove radially, be connected by described a plurality of runners and described accurate fluid flow controller, this flow controller is installed in the hydrostatic bearing module body or is installed on the outside separately.
3. hydrostatic bearing revolving table as claimed in claim 1 is characterized in that: described hydraulic oil by described flow controller throttling after, enter the gap of described hydrostatic bearing module and rotating disc body, form an airtight pressure fluid film.
4. hydrostatic bearing revolving table as claimed in claim 1 is characterized in that: described rotating disc below main shaft is equiped with an axially spaced-apart ring, and it is shaped as L shaped.
5. hydrostatic bearing revolving table as claimed in claim 4 is characterized in that: the main shaft design of described rotating disc below has a threaded area.
6. hydrostatic bearing revolving table as claimed in claim 1 is characterized in that: described fluid is liquid or gas.
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| CN2010206016693U CN202065344U (en) | 2010-11-11 | 2010-11-11 | Fluid hydrostatic bearing rotary workbench |
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| CN2010206016693U CN202065344U (en) | 2010-11-11 | 2010-11-11 | Fluid hydrostatic bearing rotary workbench |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691723A (en) * | 2011-12-17 | 2012-09-26 | 河南科技大学 | Thin film feedback throttling device module, static bearing module and main spindle box module |
| CN102815642A (en) * | 2012-08-09 | 2012-12-12 | 湖南崇德工业科技有限公司 | Hydraulic jacking device for rotating mechanism |
| CN103286660A (en) * | 2013-06-05 | 2013-09-11 | 上海交通大学 | Large-scale surface throttling self-compensating ultra-precise liquid change table |
| CN103317360A (en) * | 2013-05-20 | 2013-09-25 | 西安交通大学 | High-precision static pressure rotary working table for public oil supply track |
| CN103358199A (en) * | 2013-07-31 | 2013-10-23 | 无锡市吉尔多轴承机械有限公司 | High-precision rotary workbench of grinding machine |
| TWI449592B (en) * | 2012-04-09 | 2014-08-21 | Prec Machinery Res & Dev Ct | Liquid static pressure rotary recharging energy saving device |
| TWI449593B (en) * | 2012-04-09 | 2014-08-21 | Prec Machinery Res & Dev Ct | Liquid hydraulic pressure switch |
| WO2015043228A1 (en) * | 2013-09-25 | 2015-04-02 | 广州市昊志机电股份有限公司 | An air-bearing rotary table |
| CN105252648A (en) * | 2015-10-22 | 2016-01-20 | 康志鹏 | Inclined feed cutting machine |
| CN105414992A (en) * | 2015-12-07 | 2016-03-23 | 西安交通大学 | Thin-wall high-precision static-pressure rotation workbench structure |
| CN106122270A (en) * | 2016-08-22 | 2016-11-16 | 苏州陈那自动化技术有限公司 | Gas-liquid two-phase compound static pressure supporting structure |
| CN109551259A (en) * | 2018-08-02 | 2019-04-02 | 中国工程物理研究院机械制造工艺研究所 | A kind of direct-drive type revolving platform system based on fluid pressure composite bearing |
| CN109955079A (en) * | 2019-04-18 | 2019-07-02 | 湖北工业大学 | A kind of unloading mechanism driven type heavy caliber gas-static turntable |
| CN110125893A (en) * | 2019-06-20 | 2019-08-16 | 中原工学院 | Biconial gas-static turntable |
| CN110370016A (en) * | 2019-08-07 | 2019-10-25 | 绵阳飞腾精密机械科技有限公司 | Mold assembles adaptive suspension centralising device |
| TWI681838B (en) * | 2019-04-30 | 2020-01-11 | 國立高雄科技大學 | Conical static pressure rotary table |
| CN113027931A (en) * | 2021-03-25 | 2021-06-25 | 南京客棹歌贸易有限公司 | Air cushion suspension bearing seat of industrial robot |
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| CN102691723A (en) * | 2011-12-17 | 2012-09-26 | 河南科技大学 | Thin film feedback throttling device module, static bearing module and main spindle box module |
| CN102691723B (en) * | 2011-12-17 | 2014-06-04 | 河南科技大学 | Thin film feedback throttling device module, static bearing module and main spindle box module |
| TWI449592B (en) * | 2012-04-09 | 2014-08-21 | Prec Machinery Res & Dev Ct | Liquid static pressure rotary recharging energy saving device |
| TWI449593B (en) * | 2012-04-09 | 2014-08-21 | Prec Machinery Res & Dev Ct | Liquid hydraulic pressure switch |
| CN102815642A (en) * | 2012-08-09 | 2012-12-12 | 湖南崇德工业科技有限公司 | Hydraulic jacking device for rotating mechanism |
| CN102815642B (en) * | 2012-08-09 | 2015-04-15 | 湖南崇德工业科技有限公司 | Hydraulic jacking device for rotating mechanism |
| CN103317360A (en) * | 2013-05-20 | 2013-09-25 | 西安交通大学 | High-precision static pressure rotary working table for public oil supply track |
| CN103286660A (en) * | 2013-06-05 | 2013-09-11 | 上海交通大学 | Large-scale surface throttling self-compensating ultra-precise liquid change table |
| CN103286660B (en) * | 2013-06-05 | 2015-12-09 | 上海交通大学 | A kind of large surfaces throttling self compensation ultraprecise fluid pressure turntable |
| CN103358199A (en) * | 2013-07-31 | 2013-10-23 | 无锡市吉尔多轴承机械有限公司 | High-precision rotary workbench of grinding machine |
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| CN105252648A (en) * | 2015-10-22 | 2016-01-20 | 康志鹏 | Inclined feed cutting machine |
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