CN105478808B - A kind of pneumatic main shaft device with hemisphere bearing - Google Patents
A kind of pneumatic main shaft device with hemisphere bearing Download PDFInfo
- Publication number
- CN105478808B CN105478808B CN201610022232.6A CN201610022232A CN105478808B CN 105478808 B CN105478808 B CN 105478808B CN 201610022232 A CN201610022232 A CN 201610022232A CN 105478808 B CN105478808 B CN 105478808B
- Authority
- CN
- China
- Prior art keywords
- hemisphere
- lead ring
- main shaft
- air
- bearing
- 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.)
- Active
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
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
Abstract
The present invention provides a kind of pneumatic main shaft device with hemisphere bearing, including casing, main shaft, left support shaft assembly and right support shaft assembly, left support shaft assembly and right support shaft assembly include hemisphere susceptor, hemisphere air-bearing, axle bed, and main shaft is located in the centre bore of the left hemisphere susceptor for holding in the palm shaft assembly and right support shaft assembly, hemisphere air-bearing, axle bed.Axle bed has half-spherical cavity and central through hole, hemisphere susceptor is provided with the half-spherical cavity of axle bed, hemisphere air-bearing is provided between axle bed and hemisphere susceptor with both to coordinate, hemisphere air-bearing is the hemispherical of a scarce spherical crown, bowl-shape without collet is similar to half-spherical cavity and with central through hole, hemispherical dome structure makes part can automatic aligning centering, by forming air film between the hemisphere air-bearing and hemisphere susceptor of left support shaft assembly and right support shaft assembly, supports main shaft friction-free rotary, ensure the stationarity of main shaft rotation, without lubrication, and process, assembling is easy.
Description
Technical field
The present invention relates to automated machine tool engineering device technique field, more particularly to a kind of pneumatic main shaft dress with hemisphere bearing
Put.
Background technology
With the development of science and technology, the demand of various machine tools is more and more, and machine tool required precision is got over
Come higher.Can not meet the needs of current scientific technological advance by traditional manual or automanual operating method, for car,
For the machine tools such as milling, mill in the precision machining processes of parts, the stationarity of main shaft rotation, spindle abrasion degree determines zero
Part machining accuracy.The main shaft of machine tool equipment supports mainly by bearing mechanical, and mechanical friction abrasion is quite serious, with processing
Time increases, and the stationarity of main shaft rotation is deteriorated, and the precise processing precision of parts is extremely difficult to require, such spindle processing,
Assembling is complicated, and bearing is needed to lubricate, can not applied in industries such as food, medical treatment.
The content of the invention
The embodiments of the invention provide a kind of pneumatic main shaft device with hemisphere bearing, to solve spindle processing, assembling
Complexity, smooth rotation are poor, need the problem of constantly lubrication.
In order to solve the above problems, the embodiment of the invention discloses a kind of pneumatic main shaft device with hemisphere bearing, bag
Include casing, main shaft, left support shaft assembly and right support shaft assembly.
Left support shaft assembly and right support shaft assembly include hemisphere susceptor, hemisphere air-bearing, axle bed.
Axle bed has half-spherical cavity and a central through hole, the axle bed in left support shaft assembly and right support shaft assembly respectively with casing
Left and right ends are fixedly connected and two axle beds are disposed opposite to each other；Hemisphere susceptor, hemisphere lining are provided with the half-spherical cavity of axle bed
Supporting piece is the hemispherical of a scarce spherical crown, and has central through hole；Hemisphere air-bearing shafts are provided between axle bed and hemisphere susceptor
Hold and coordinate with both, hemisphere air-bearing is the hemispherical of a scarce spherical crown, with half-spherical cavity and with central through hole, half
The outer wall surface of ball air-bearing has the annular groove of gas storage, and the annular groove of air vent and hemisphere air-bearing is provided with axle bed
Connection；Main shaft is located in hemisphere susceptor, hemisphere air-bearing, the centre bore of axle bed of left support shaft assembly and right support shaft assembly
Interior, main shaft is multi-diameter shaft, the right side matching merga pass screw of the step surface of main shaft and the hemisphere susceptor of right support shaft assembly
Fixed, the left end of main shaft is provided with resilient disc, and resilient disc is set on main shaft by centre bore and is fixedly connected on a left side by screw
The left side of the hemisphere susceptor of shaft assembly is held in the palm, is connected main shaft and left support axle group on the left of resilient disc provided with locking nut with main shaft
Part and right support shaft assembly locking.
A kind of pneumatic main shaft device with hemisphere bearing, in addition to air guide annular solid, air guide annular solid are fixedly mounted on
In casing and it is arranged between two axle beds, air guide annular solid is led including back-up ring, lead ring body, the first lead ring, the second lead ring, the 3rd
Ring, spacer ring, lead ring body are tubular, and two back-up rings with central through hole are fixedly connected with the both ends of lead ring body enclose in one respectively
Individual cavity, the first lead ring, the second lead ring, the 3rd lead ring of the ring-type for stacking arrangement, the first lead ring, are provided with this cavity
The spacer ring isolation of ring-type, the back-up ring of air guide annular solid, the first lead ring, the second lead ring, the are provided between two lead rings, the 3rd lead ring
Three lead rings, spacer ring are set on main shaft by respective central through hole, and multiple air flues are provided with lead ring body and are respectively communicated with
One lead ring and source of the gas, the second lead ring and source of the gas, the 3rd lead ring and source of the gas, the first lead ring, the second lead ring, the 3rd lead ring are by can be saturating
Gas material is made, and when the air flue connected with the first lead ring supplies, makes main shaft friction-free rotary in air guide annular solid.
Optionally, the right-hand member of main shaft is stretched out in outside the hemisphere susceptor of right support shaft assembly, and end is provided centrally with piston herein
Chamber, being provided with plunger shaft can be connected along the piston of the axial activity of main shaft, piston with being arranged on the air-actuated jaw at this end of main shaft.
The first air flue and the second air flue, one end of the first air flue is set to be connected with the second lead ring in main shaft, the other end connects with plunger shaft,
Make piston when being supplied in the first air flue towards the direction activity away from right support shaft assembly and then unclamp air flue claw；Second air flue
One end connected with the 3rd lead ring, the other end connects with plunger shaft, in the second air flue supply when make piston towards the right support axle of convergence
The direction of component is movable and then firmly grasps air-actuated jaw.
Optionally, the first lead ring has 3, the first lead ring, the second lead ring, the 3rd lead ring according to first the-the second lead ring of lead ring-
The order spread configuration of first lead ring the-the first lead ring of the-the three lead ring.
Optionally, air guide annular solid is fixed by positioning screw with casing, and positioning screw connects lead ring body and casing respectively.
Optionally, angular encoder is equipped with main shaft left end, angular encoder passes through toothed belt transmission with main shaft.
Optionally, hemisphere air-bearing uses graphite material.
The present invention has the advantages that：
A kind of pneumatic main shaft device with hemisphere bearing of the present invention, and include in left support shaft assembly and right support shaft assembly
Hemisphere susceptor, hemisphere air-bearing, axle bed, axle bed have half-spherical cavity and central through hole, in the half-spherical cavity of axle bed
In be provided with hemisphere susceptor, be provided between axle bed and hemisphere susceptor hemisphere air-bearing with both coordinate, hemisphere air supporting
Bearing is lack a spherical crown hemispherical, has half-spherical cavity bowl-shape without collet of likeness in form and with central through hole, hemispherical junction
Structure make part can automatic aligning centering, decentraction after spindle mounted can be avoided so that main shaft smooth rotation is good.In hemisphere air supporting
The outer wall surface of bearing has the annular groove of gas storage, is connected on axle bed provided with air vent with the annular groove of hemisphere air-bearing；
By forming air film between the hemisphere air-bearing and hemisphere susceptor of left support shaft assembly and right support shaft assembly, supports main shaft is without rubbing
Wipe and rotate, the stationarity of guarantee main shaft rotation, without lubrication, and process, assemble easily.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is a kind of assembling structure schematic diagram of the pneumatic main shaft device with hemisphere bearing.
1st, locking nut；2nd, resilient disc；3rd, hemisphere susceptor；4th, hemisphere air-bearing；5th, axle bed；6th, main shaft；7th, back-up ring；
8th, the first lead ring；9th, lead ring body；10th, the second lead ring；11st, spacer ring；12nd, positioning screw；13rd, the 3rd lead ring；14th, piston；15th, gas
Dynamic claw；16th, casing；17th, angular encoder；18th, synchronous pulley
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the present invention can be mutually combined.
As shown in figure 1, a kind of pneumatic main shaft device with hemisphere bearing, including casing, main shaft, left support shaft assembly and the right side
Hold in the palm shaft assembly.
Left support shaft assembly and right support shaft assembly include hemisphere susceptor, hemisphere air-bearing, axle bed.Axle bed has hemisphere
Shape cavity and central through hole, the axle bed in left support shaft assembly and right support shaft assembly are fixedly connected and two with casing left and right ends respectively
Individual axle bed is disposed opposite to each other；Hemisphere susceptor is provided with the half-spherical cavity of axle bed, hemisphere susceptor is the hemisphere for lacking a spherical crown
Shape, and there is central through hole.It is provided with hemisphere air-bearing between axle bed and hemisphere susceptor with both to coordinate, hemisphere air supporting
Bearing is the hemispherical of a scarce spherical crown, with half-spherical cavity and with central through hole, in the outer wall surface of hemisphere air-bearing
Annular groove with gas storage, connected on axle bed provided with air vent with the annular groove of hemisphere air-bearing.
Main shaft is located in the hemisphere susceptor, hemisphere air-bearing, the center of axle bed of left support shaft assembly and right support shaft assembly
In hole.
Main shaft is multi-diameter shaft, the right side matching merga pass of the step surface of main shaft and the hemisphere susceptor of right support shaft assembly
Screw is fixed, and the left end of main shaft is provided with resilient disc, and resilient disc is set on main shaft by centre bore and is fixedly connected by screw
In the left side of the hemisphere susceptor of left support shaft assembly, it is connected main shaft and left support on the left of resilient disc provided with locking nut with main shaft
Shaft assembly and right support shaft assembly locking.
A kind of pneumatic main shaft device with hemisphere bearing, in addition to air guide annular solid, air guide annular solid are fixedly mounted on
In casing and it is arranged between two axle beds, air guide annular solid is fixed by positioning screw with casing, and positioning screw connects lead ring respectively
Body and casing.
Air guide annular solid includes back-up ring, lead ring body, the first lead ring, the second lead ring, the 3rd lead ring, spacer ring, and lead ring body is cylinder
Shape, two back-up rings with central through hole are fixedly connected with the both ends of lead ring body enclose in a cavity, in this cavity respectively
Be provided with the first lead ring, the second lead ring, the 3rd lead ring of the ring-type for stacking arrangement, the first lead ring, the second lead ring, the 3rd lead ring it
Between be provided with ring-type spacer ring isolation, the back-up ring of air guide annular solid, the first lead ring, the second lead ring, the 3rd lead ring, spacer ring pass through each
From central through hole be set on main shaft.Multiple air flues are provided with lead ring body and are respectively communicated with the first lead ring and source of the gas, second
Lead ring and source of the gas, the 3rd lead ring and source of the gas, the first lead ring, the second lead ring, the 3rd lead ring are made by air-permeable material, with first
During the air flue supply of lead ring connection, make main shaft friction-free rotary in air guide annular solid.
The right-hand member of main shaft is stretched out in outside the hemisphere susceptor of right support shaft assembly, and end is provided centrally with plunger shaft, piston herein
Intracavitary, which is provided with, to be connected along the piston of main shaft axial direction activity, piston with being arranged on the air-actuated jaw at this end of main shaft.
First air flue and the second air flue are set in main shaft, one end of the first air flue connects with the second lead ring, the other end with
Plunger shaft is connected, and piston is made when being supplied in the first air flue towards the direction activity away from right support shaft assembly and then makes air flue claw loose
Open；One end of second air flue connects with the 3rd lead ring, and the other end connects with plunger shaft, makes piston court when being supplied in the second air flue
The direction of the right support shaft assembly of convergence is movable and then firmly grasps air-actuated jaw.
First lead ring has 3, and the first lead ring, the second lead ring, the 3rd lead ring are led according to first the-the second lead ring of lead ring-the first
The order spread configuration of the-the first lead ring of lead ring of ring-the three.
Angular encoder is equipped with main shaft left end, angular encoder passes through toothed belt transmission with main shaft.
A kind of pneumatic main shaft device with hemisphere bearing is present embodiments provided, plain shaft is substituted with hemisphere air-bearing
Hold supports main shaft, it is more uniform that the annular groove of the outer wall surface of hemisphere air-bearing 4 supplies hemisphere air-bearing 4.Hemisphere gas
It is graphite material that floating axle, which holds 4, and gas permeability is fine, by hemisphere air-bearing 4 by air penetration to hemisphere air-bearing 4 and hemisphere
Air film is formed between susceptor 3., will be main by pure air by forming air film between hemisphere air-bearing and hemisphere susceptor
Axle floats, and makes main shaft friction-free rotary, ensure that the stationarity of main shaft rotation, avoids abrasion of the plain bearing to main shaft.
Main shaft both ends are designed as two hemispheric hemisphere susceptors and are connected with main shaft, can automatic aligning centering, avoid leading
Decentraction after axle assembling, influences machining accuracy.Hemisphere air-bearing is also configured as dome-type, served as a contrast with two hemisphere on main shaft
Supporting piece facing-up, make air film uniform, it is uniform by lift of gas to ensure that main shaft floats.
The hemisphere air-bearing is processed into hemispherical using graphite material, selects graphite to have advantages below as material：It is excellent
Self lubricity, good resistance to chemical corrosion, higher thermal conductivity and heat endurance, minimum thermal coefficient of expansion is enough
Mechanical strength and shock resistance, it is easy to be machined, various geometries can be processed into.
Front-end of spindle is that right-hand member connects air-actuated jaw equipped with piston, controls piston to stretch by being ventilated to main shaft, so as to control
Air-actuated jaw processed unclamps, clamped.Fixture and main shaft connect as one, and ensure that the rotating accuracy of workpiece, rotating accuracy is up to 0.1
μm。
Main shaft is cleverly floated into supply, the design of piston gas-supplying structure inside spindle box body, makes main shaft device structure
It is compacter.One air guide annular solid of design and installation supplies for piston on main shaft, facilitates main shaft to be supplied under rotation status.Lead
Compression ring body is designed as air floating structure, and air guide annular solid is fixed with spindle box body, prevents from rotating.Supplied when to air guide annular solid
During gas again, you being supplied for main shaft does not influence main shaft rotation.
Rear-end of spindle is that left end can be equipped with angular encoder, by toothed belt transmission, controls Spindle rotation angle degree.
A kind of pneumatic main shaft device with hemisphere bearing of the present invention, and include in left support shaft assembly and right support shaft assembly
Hemisphere susceptor, hemisphere air-bearing, axle bed, axle bed have half-spherical cavity and central through hole, in the half-spherical cavity of axle bed
In be provided with hemisphere susceptor, be provided between axle bed and hemisphere susceptor hemisphere air-bearing with both coordinate, hemisphere air supporting
Bearing is lack a spherical crown hemispherical, has half-spherical cavity bowl-shape without collet of likeness in form and with central through hole, hemispherical junction
Structure make part can automatic aligning centering, decentraction after spindle mounted can be avoided so that main shaft smooth rotation is good.In hemisphere air supporting
The outer wall surface of bearing has the annular groove of gas storage, is connected on axle bed provided with air vent with the annular groove of hemisphere air-bearing；
By forming air film between the hemisphere air-bearing and hemisphere susceptor of left support shaft assembly and right support shaft assembly, supports main shaft is without rubbing
Wipe and rotate, the stationarity of guarantee main shaft rotation, without lubrication, and process, assemble easily.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (6)
1. a kind of pneumatic main shaft device with hemisphere bearing, it is characterised in that including casing, main shaft, left support shaft assembly and the right side
Hold in the palm shaft assembly,
Left support shaft assembly and right support shaft assembly include hemisphere susceptor, hemisphere air-bearing, axle bed,
Axle bed has half-spherical cavity and a central through hole, and the axle bed in left support shaft assembly and right support shaft assembly is respectively with casing or so
Both ends are fixedly connected and two axle beds are disposed opposite to each other；
It is provided with hemisphere susceptor in the half-spherical cavity of axle bed, hemisphere susceptor is lack a spherical crown hemispherical, and is had
Heart through hole；
It is provided with hemisphere air-bearing between axle bed and hemisphere susceptor with both to coordinate, hemisphere air-bearing is to lack a spherical crown
It is hemispherical, with half-spherical cavity and with central through hole, there is the annular of gas storage in the outer wall surface of hemisphere air-bearing
Groove, connected on axle bed provided with air vent with the annular groove of hemisphere air-bearing；
Main shaft is located in the centre bore of the left hemisphere susceptor for holding in the palm shaft assembly and right support shaft assembly, hemisphere air-bearing, axle bed,
Main shaft is multi-diameter shaft, the right side matching merga pass screw of the step surface of main shaft and the hemisphere susceptor of right support shaft assembly
Fixed, the left end of main shaft is provided with resilient disc, and resilient disc is set on main shaft by centre bore and is fixedly connected on a left side by screw
The left side of the hemisphere susceptor of shaft assembly is held in the palm, is connected main shaft and left support axle group on the left of resilient disc provided with locking nut with main shaft
Part and right support shaft assembly locking；
Also include air guide annular solid, air guide annular solid is fixedly mounted in casing and is arranged between two axle beds, air guide annular solid
Including back-up ring, lead ring body, the first lead ring, the second lead ring, the 3rd lead ring, spacer ring, lead ring body is tubular, and two have central through hole
Back-up ring be fixedly connected enclosed in a cavity with the both ends of lead ring body respectively, the ring-type for stacking arrangement is provided with this cavity
The first lead ring, the second lead ring, the 3rd lead ring, be provided between the first lead ring, the second lead ring, the 3rd lead ring the spacer ring of ring-type every
From the back-up ring of air guide annular solid, the first lead ring, the second lead ring, the 3rd lead ring, spacer ring are set in master by respective central through hole
On axle,
Be provided with lead ring body multiple air flues be respectively communicated with the first lead ring and source of the gas, the second lead ring and source of the gas, the 3rd lead ring and
Source of the gas, the first lead ring, the second lead ring, the 3rd lead ring are made by air-permeable material, during the air flue supply connected with the first lead ring,
Make main shaft friction-free rotary in air guide annular solid.
A kind of 2. pneumatic main shaft device with hemisphere bearing according to claim 1, it is characterised in that
The right-hand member of main shaft is stretched out in outside the hemisphere susceptor of right support shaft assembly, holds be provided centrally with plunger shaft herein, in plunger shaft
Being provided with can be connected along the piston of main shaft axial direction activity, piston with being arranged on the air-actuated jaw at this end of main shaft,
First air flue and the second air flue are set in main shaft, and one end of the first air flue connects with the second lead ring, the other end and piston
Chamber is connected, and piston is made when being supplied in the first air flue towards the direction activity away from right support shaft assembly and then unclamps air flue claw；
One end of second air flue connects with the 3rd lead ring, and the other end connects with plunger shaft, piston court is become when being supplied in the second air flue
The direction of nearly right support shaft assembly is movable and then firmly grasps air-actuated jaw.
3. a kind of pneumatic main shaft device with hemisphere bearing according to claim 1, it is characterised in that the first lead ring has
3, the first lead ring, the second lead ring, the 3rd lead ring are led according to first the-the second lead ring of lead ring the-the three lead ring-the first of the-the first lead ring
The order spread configuration of ring.
A kind of 4. pneumatic main shaft device with hemisphere bearing according to claim 1, it is characterised in that air guide annular solid
Fixed by positioning screw and casing, positioning screw connects lead ring body and casing respectively.
5. a kind of pneumatic main shaft device with hemisphere bearing according to claim 1, it is characterised in that in main shaft left end
Equipped angular encoder, angular encoder pass through toothed belt transmission with main shaft.
A kind of 6. pneumatic main shaft device with hemisphere bearing according to claim 1, it is characterised in that hemisphere air-bearing shafts
Hold and use graphite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610022232.6A CN105478808B (en) | 2016-01-13 | 2016-01-13 | A kind of pneumatic main shaft device with hemisphere bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610022232.6A CN105478808B (en) | 2016-01-13 | 2016-01-13 | A kind of pneumatic main shaft device with hemisphere bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105478808A CN105478808A (en) | 2016-04-13 |
| CN105478808B true CN105478808B (en) | 2017-11-21 |
Family
ID=55666274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610022232.6A Active CN105478808B (en) | 2016-01-13 | 2016-01-13 | A kind of pneumatic main shaft device with hemisphere bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105478808B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105892195B (en) * | 2016-04-21 | 2019-04-19 | 杭州马上自动化科技有限公司 | A kind of video camera focus control |
| CN105798333A (en) * | 2016-05-10 | 2016-07-27 | 朱德仲 | Industrial lathe rotation shaft |
| CN108356296A (en) * | 2018-04-23 | 2018-08-03 | 李笑达 | Hemispheric gas static-pressure shafting and precision equipment |
| CN114294330B (en) * | 2021-12-30 | 2022-09-23 | 哈尔滨工业大学 | High-precision rotating ring-shaped part inner supporting air-floating type static balancing device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1015350B (en) * | 1989-04-25 | 1992-02-05 | 上海机械学院 | Axle system for precise machine-tools |
| KR100224602B1 (en) * | 1997-01-22 | 1999-10-15 | 윤종용 | Semisprenical bearing apparatus for preventing transformation in shape thereof |
| CN101823159A (en) * | 2009-03-05 | 2010-09-08 | 黎永明 | Numerical control ultra-precision spindle system of head stock |
| CN204533205U (en) * | 2014-12-23 | 2015-08-05 | 天津尚吉液压设备有限公司 | A kind of multivariant sphere fluid bearing |
| CN205414428U (en) * | 2016-01-13 | 2016-08-03 | 北京海普瑞森科技发展有限公司 | Pneumatic spindle unit with hemisphere bearing |
-
2016
- 2016-01-13 CN CN201610022232.6A patent/CN105478808B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105478808A (en) | 2016-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105478808B (en) | A kind of pneumatic main shaft device with hemisphere bearing | |
| CN107984175A (en) | A kind of processing method of ultra-thin titanium alloy spherical parts | |
| CN101204779A (en) | Ring-shaped lead rail of vertical type lathe | |
| CN103522085A (en) | Clamping device and machining center of rotating table | |
| WO2023115864A1 (en) | Vertical numerical control machine tool provided with multifunctional clamping table | |
| CN108705355A (en) | It improves wheel machining center and turns material positioning device | |
| CN208543246U (en) | It improves wheel machining center and turns material positioning device | |
| CN205414428U (en) | Pneumatic spindle unit with hemisphere bearing | |
| CN105171490B (en) | Method for positioning workpiece through positioning clamp for lathe machining | |
| CN106369055A (en) | Pneumatic bidirectional output shaft based on magnetic-air hybrid spherical bearing | |
| CN104015119B (en) | A kind of method and device utilizing radial drilling machine grinding shaft like members centre bore | |
| CN106975896B (en) | The production method in 6MW wind-powered electricity generation rotor room | |
| CN105479225B (en) | Coaxial cutterhead | |
| CN105619137B (en) | A kind of high speed minuteness milling special fixture of miniature precision workpiece | |
| CN109333353A (en) | Six axis air bearing grinding machine magic chucks | |
| CN210115474U (en) | Clamping and positioning device for internal star wheel lathe | |
| CN212552843U (en) | Fixture for milling crescent groove in compressor cylinder | |
| CN107755726A (en) | Suitable for the swelling fixture of cover parts | |
| CN201324957Y (en) | Precision positioning and clamping device for machine tool | |
| CN206811536U (en) | A kind of special fixture for being used to process high temperature alloy Ball faced nut | |
| CN205446361U (en) | TM40VD drive shaft | |
| CN109909678A (en) | The oblique raceway pitch variable bearings machining mould of wind-powered electricity generation | |
| CN207043772U (en) | A kind of synchro converter ring inner ring processes composite fixture | |
| CN207788306U (en) | Cylinder barrel Special Fixture for Machining | |
| CN206732154U (en) | Tail stock thimble |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190715 Address after: 101500 Shuangjing Industrial Park, Shilibao, Miyun District, Beijing Patentee after: Beijing Heprison Ultra Precision Technology Co., Ltd. Address before: 101500 Beijing City, Miyun, ten mile town, Fort village, No. ten West Road, No. 86 Patentee before: Beijing High-Precision Technology Development Co., Ltd. |