CN101269464A - Precision rotating table device - Google Patents
Precision rotating table device Download PDFInfo
- Publication number
- CN101269464A CN101269464A CNA2008101079956A CN200810107995A CN101269464A CN 101269464 A CN101269464 A CN 101269464A CN A2008101079956 A CNA2008101079956 A CN A2008101079956A CN 200810107995 A CN200810107995 A CN 200810107995A CN 101269464 A CN101269464 A CN 101269464A
- Authority
- CN
- China
- Prior art keywords
- revolving bed
- rotating table
- table device
- precision rotating
- bed
- 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.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to a micro swivel device, which belongs to the machining technical field. The device comprises a revolving bed, wherein, the centre of the revolving bed is provided with a bed cavity; an upper opening communicated with the bed cavity is formed in the middle of the upper end; a lower opening communicated with the bed cavity is formed in the middle of the lower end; a lower blind flange is arranged at the lower part of the lower opening; an upper blind flange is arranged at the lower part of the upper opening; a swiveling table is arranged on the upper end of the revolving bed through a roller bearing; one end of a vertical axis is arranged on the swiveling table, and the other end is stretched into the bed cavity; a radial-thrust bearing, a lock nut and a third adjusting washer as well as a large angle gear are arranged on the vertical axis; a variable-frequency electric motor is arranged at the lateral part of one side of the revolving bed; one end of a transverse axis is coupled with the output axis of a variable-frequency speed-regulating electric motor, and the other end extends into the revolving bed; a small angle gear is fixed at the shaft tip; a counterbalance is fixed at the lateral part of the other side of the revolving bed. The micro swivel device has the advantages of low noise, low energy consumption, strong inertia impact bearing performance, good stability, and application in high-speed operation.
Description
Technical field
The present invention relates to a kind of precision rotating table device, can be used as vertical lathe workstation, vertical surface grinding machine with round table workbench etc., belong to the machining technique field.
Background technology
The existing vertical lathe workstation of China, vertical surface grinding machine with round table workbench etc., on gyratory directions, adopt rail plate, or hydrostatic slideway, gear then adopts speed-changing gear box, their common drawback is: noise is big, energy consumption is high, precision is low, mechanism is complicated, tediously long, fault is many.And the vertical shaft circular table of gear-hobbing machine adopts the worm and gear transmission as the afterbody transmission, can only do the low speed revolution, otherwise the inertia of big workbench will damage driving-chain.
Summary of the invention
Task of the present invention is a kind of low noise, low energy consumption will be provided, bear that the inertia impact ability is strong, the work table rotation good stability, can adapt to the precision rotating table device of high-speed cruising.
The objective of the invention is to reach like this, a kind of precision rotating table device, comprise that one is used to be installed to the revolving bed that support gets on, be formed with the middle under shed that communicates with the seat chamber that is formed with in the upper shed, the lower surface that communicate with the seat chamber in the middle of the middle tool seat chamber of this revolving bed, the upper surface, the lower flange lid is installed below under shed, the upper flange lid is installed below upper shed; The single-revolution workbench is installed in rotation on by roller bearing on the upper surface of revolving bed; One vertical axle, one end is installed on the rotary table, the other end is probeed into downwards in the chamber by upper shed place of revolving bed, is separately installed with to be used for the radial thrust bearing that cooperates with upper shed, lock nut and the 3rd bevel gear wheel of adjusting packing ring and being fixed on vertical axle head that is used to prevent vertical axle axial float on vertical axle; One variable-frequency motor is installed in a side sidepiece of revolving bed by connection seat; One lateral shaft, an end are by the output shaft coupling of shaft coupling and frequency control motor, and the other end extends in the chamber, and are fixed with a bevel pinion that is used for bevel gear wheel engagement at the lateral shaft axle head; One balance weight is fixed on the opposite side sidepiece of revolving bed.
The present invention offers dustproof groove on the upper surface of described revolving bed, correspondingly, be formed with the boss that is used for dustproof groove scarf on the lower surface of described rotary table.
Dustproof groove of the present invention is positioned at the nearly outer edge part of revolving bed upper surface.
Roller bearing of the present invention is a bearing with cross roller convex symmetrical roller bearing.
Variable-frequency motor of the present invention is the frequency control motor of a band planet wheel decelerator.
The present invention is equipped with angular contact ball bearing and at an end that is close to bevel pinion deep groove ball bearing is installed at the end that described lateral shaft is close to variable-frequency motor.
The present invention also is equipped with the first adjustment packing ring that is used to adjust the axial position of bevel pinion on described lateral shaft.
The present invention also is equipped with the second adjustment packing ring that is used to adjust the axial position of bevel gear wheel on described vertical axle.
The present invention covers at described lower flange the double-screw bolt of being convenient to change lubricating oil in the chamber is installed.
The present invention covers at described lower flange the sealing ring that is used to seal lower open end also is installed.
The present invention is because after adopting said structure, the advantage that has: can guarantee transmission accuracy, reduce gearing noise; Can effectively improve the radially bearing capacity of axle, strengthen the ability of bearing inertia impact; Can guarantee that rotary table has advantages of higher stability when revolution, the end face run-out that makes work table rotation is less than 0.015/1200, and the surface roughness of grinding is higher than the rank of Ra0.4, and energy consumption has only 1/3rd of job family platform; Can effectively improve the cleannes in the revolving bed, increase the service life of each drive disk assembly; Be convenient to install, safeguard.
Description of drawings
Accompanying drawing is one embodiment of the invention reference diagram.
Among the figure: 1. revolving bed, 2. connection seat, 3. variable-frequency motor, 4. shaft coupling, 5. angular contact ball bearing, 6. lateral shaft, 7. line slideway auxiliary, 8. deep groove ball bearing, 9. support, 10. first adjust packing ring, 11. bevel pinion, 12. little gland, 13. under shed, 14. plug screw, 15. seat chamber, 16. lower flange lid, 17. sealing fist, 18. big gland, 19. bevel gear wheel, 20. second adjusts packing ring, 21. balance weight, 22. upper flange lid, 23. lock nut, 24. radial thrust bearing, 25. upper shed, 26. the 3rd adjusts packing ring, 27. vertical axle, 28. screw, 29. rotary table, 30. roller bearing, 31. boss, 32. dustproof groove.
The specific embodiment
By the narration of applicant to embodiment, will help to understand technical spirit of the present invention and effect more, yet, embodiment can not be regarded as restriction to technical solution of the present invention.
See also accompanying drawing, grinding machine spindle end mechanism of the present invention mainly comprises single-revolution seat 1, single-revolution workbench 29, one vertical axle 27, one variable-frequency motor 3, a lateral shaft 6 and a balance weight 21.Described revolving bed 1 is by realizing slidably connection between a pair of line slideway auxiliary 7 and the support 9, have in the centre of revolving bed 1 be used to hold big, bevel pinion 19,11 and horizontal, longitudinal axis 6,27 seat chamber 15, in the middle of the upper surface of revolving bed 1, offer the upper shed 25 that communicates with seat chamber 15, in the middle of the lower surface of revolving bed 1, offer the under shed 13 that communicates with seat chamber 15, the below of under shed 13 is fixed with lower flange lid 16 by screw, on lower flange lid 16, sealing ring 17 and plug screw 14 are housed, the effect of plug screw 14 is that the blind flange of can dismantling is a lubricating oil in the replaceable seat chamber 15, sealing ring 17 is used to seal under shed 13 ends of revolving bed 1, to guarantee the gear in the chamber 15 good lubricating is arranged.Described rotary table 29 is installed in rotation on the upper surface of revolving bed 1 by a bearing with cross roller convex symmetrical roller bearing 30, on the lower surface of rotary table 29, be formed with boss 31, correspondingly, on the upper surface of described revolving bed 1, offer the dustproof groove 32 that is used for boss 31 scarves, dustproof groove 32 is positioned at the nearly outer edge part of revolving bed 1 upper surface, in dustproof groove 32, inject an amount of lubricating oil, be used to seal upper shed 25 ends of revolving bed 1, the seat chamber 15 of revolving bed 1 is hedged off from the outer world, can effectively improve the cleannes in the chamber 15, increase the life-span of each drive disk assembly.One end of described vertical axle 27 is by screw 28 and taper pin and rotary table 29 fixed connections, the other end of vertical axle 27 is probeed into downwards in the chamber 15 by upper shed 25 places of revolving bed 1, on vertical axle 27, be separately installed with and be used for the radial thrust bearing 24 that cooperates with upper shed 25, be used to prevent the lock nut 23 and the 3rd adjustment packing ring 26 of vertical axle 27 axial floats, and as the bevel gear wheel 19 of drive disk assembly, bevel gear wheel 19 is achieved a fixed connection by the axle head of big gland 18 by screw and vertical axle 27, simultaneously, the second adjustment packing ring 20 that is used to adjust bevel gear wheel 19 axial locations also is installed on vertical axle 27, by adjustment to the second adjustment packing ring, 20 axial locations, can regulate a pair of big, bevel pinion 19,11 back lash, to guarantee transmission accuracy, reduce gearing noise, upper flange lid 22 is fixed on the below of upper shed 25 by screw, and its effect is to prevent that radial thrust bearing 24 from making axial float.Described variable-frequency motor 3 is fixedly mounted on the left side of revolving bed 1 by connection seat 2, variable-frequency motor 3 is the frequency control motor of a planetary gear band decelerator, its effect is to be slowed down once more by a pair of large and small bevel gear 19,11 after being slowed down through planet wheel decelerator by variable-frequency motor, can reduce the starting torque of rotary table so greatly, effectively reduce noise, strengthen the ability of bearing inertia impact.One end of described lateral shaft 6 is by the output shaft fixed connection of shaft coupling 4 with frequency control motor 3, the other end of lateral shaft 6 extends in the chamber 15, and be fixed with a bevel pinion 11 as drive disk assembly at lateral shaft 6 axle heads, bevel pinion 11 is achieved a fixed connection by the axle head of little gland 12 by screw and lateral shaft 6, simultaneously, an end that is close to variable-frequency motor 3 at lateral shaft 6 is equipped with angular contact ball bearing 5, at an end that is close to bevel pinion 11 deep groove ball bearing 8 is installed, be used to adjust first of bevel pinion 11 axial locations and adjust packing ring 10 and on the lateral shaft 6 between bevel pinion 11 and the deep groove ball bearing 8, also be equipped with, by adjustment to the first adjustment packing ring, 10 axial locations, can regulate a pair of big, bevel pinion 19,11 back lash, to guarantee transmission accuracy, reduce gearing noise.Described balance weight 2 is fixed on the right side of revolving bed 1, is used for the weight of balance variable-frequency motor 3 and connection seat 2, and the whole center of gravity that makes revolving bed 1 and rotary table 29 helps improving the revolution stationarity at the centre of gyration.
Narrate operating principle of the present invention below in conjunction with accompanying drawing: at first, variable speed electric motors, particularly 3 work, slow down by the planet wheel decelerator in the variable speed electric motors, particularly 3, power is by lateral shaft 6 outputs, then after the engagement of the bevel pinion 11 of lateral shaft 6 axle heads and bevel gear wheel 19, give vertical axle 27 with transmission of power, because vertical axle 27 is fixed on the rotary table 29, therefore the rotation by vertical axle 27 can drive rotary table 29 and does revolution move on revolving bed 1.In above-mentioned course of action, by a pair of big, bevel pinion 19,11, not only changed transmission direction, and after slowing down once more, can increase the driving moment of rotary table 29, and rotary table 29 is supported on the revolving bed by a bearing with cross roller convex symmetrical roller bearing 30, vertical axle 27 connects with rotary table 29 by screw and taper pin to be fixed, again by lock nut 23, the 3rd adjusts packing ring 26 and radial thrust bearing 24 its end plays of elimination, thereby can realize that rotary table 29 stablizes precision rotating, this rotating table device can be used for processing the circular knitting machine syringe and the assembly of plurality of specifications, can guarantee that the roughness of finished surface is higher than the rank of Ra0.4.
Claims (10)
1, a kind of precision rotating table device, it is characterized in that comprising that one is used to be installed to the revolving bed (1) that support (9) gets on, the middle tool seat chamber (15) of this revolving bed (1), centre, upper surface are formed with a upper shed (25) that communicates with seat chamber (15), the under shed (13) that the centre, lower surface is formed with and seat chamber (15) communicates, lower flange lid (16) is installed in the below of under shed (13), upper flange lid (22) is installed in the below of upper shed (25); Single-revolution workbench (29) is installed in rotation on the upper surface of revolving bed (1) by roller bearing (30); One vertical axle (27), one end is installed on the rotary table (29), the other end is located to probe into downwards in the chamber (15) by the upper shed (25) of revolving bed (1), is separately installed with to be used for the radial thrust bearing (24) that cooperates with upper shed (25), lock nut (23) and the 3rd bevel gear wheel (19) of adjusting packing ring (26) and being fixed on vertical (27) axle head that is used to prevent vertical axle (27) axial float on vertical axle (27); One variable-frequency motor (3) is installed in a side sidepiece of revolving bed (1) by connection seat (2); One lateral shaft (6), an end is by the output shaft coupling of shaft coupling (4) and frequency control motor (3), and the other end extends in the chamber (15), and is fixed with a bevel pinion (11) that is used for bevel gear wheel (19) engagement at lateral shaft (6) axle head; One balance weight (21) is fixed on the opposite side sidepiece of revolving bed (1).
2, precision rotating table device according to claim 1, it is characterized in that on the upper surface of described revolving bed (1), offering dustproof groove (32), correspondingly, on the lower surface of described rotary table (29), be formed with the boss (31) that is used for dustproof groove (32) scarf.
3, precision rotating table device according to claim 2 is characterized in that described dustproof groove (32) is positioned at the nearly outer edge part of revolving bed (1) upper surface.
4, precision rotating table device according to claim 1 is characterized in that described roller bearing (30) is a bearing with cross roller convex symmetrical roller bearing.
5, precision rotating table device according to claim 1 is characterized in that described variable-frequency motor (3) is the frequency control motor of a band planet wheel decelerator.
6, precision rotating table device according to claim 1 is characterized in that an end that is close to variable-frequency motor (3) at described lateral shaft (6) is equipped with angular contact ball bearing (5) and at an end that is close to bevel pinion (11) deep groove ball bearing (8) is installed.
7, precision rotating table device according to claim 1 is characterized in that also being equipped with the first adjustment packing ring (10) that is used to adjust bevel pinion (11) axial location on described lateral shaft (6).
8, precision rotating table device according to claim 1 is characterized in that also being equipped with the second adjustment packing ring (20) that is used to adjust bevel gear wheel (19) axial location on described vertical axle (27).
9, precision rotating table device according to claim 1 is characterized in that being equipped with the double-screw bolt (14) of being convenient to change lubricating oil in the seat chamber (15) on described lower flange lid (16).
10, precision rotating table device according to claim 1 is characterized in that also being equipped with the sealing ring (17) that is used to seal under shed (13) end on described lower flange lid (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101079956A CN101269464A (en) | 2008-05-07 | 2008-05-07 | Precision rotating table device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101079956A CN101269464A (en) | 2008-05-07 | 2008-05-07 | Precision rotating table device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101269464A true CN101269464A (en) | 2008-09-24 |
Family
ID=40003826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101079956A Pending CN101269464A (en) | 2008-05-07 | 2008-05-07 | Precision rotating table device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101269464A (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101596680B (en) * | 2009-06-18 | 2010-08-25 | 新乡日升数控轴承装备股份有限公司 | High-precision vertical revolving worktable |
| CN101947735A (en) * | 2010-09-10 | 2011-01-19 | 康凤明 | Super-short cylinder rolling rotary table |
| CN101947731A (en) * | 2010-09-17 | 2011-01-19 | 张家港玉成精机有限公司 | Combined machine tool |
| CN101954597A (en) * | 2010-10-11 | 2011-01-26 | 烟台环球机床附件集团有限公司 | Heavy-load numerical control rotating table |
| CN101554709B (en) * | 2009-05-11 | 2011-03-30 | 清华大学 | Motor built-in polishing machine turntable |
| CN102039527A (en) * | 2010-09-29 | 2011-05-04 | 中捷机床有限公司 | Open-type static pressure rotating table for controlling floating degree and manufacturing method thereof |
| CN102935606A (en) * | 2012-12-04 | 2013-02-20 | 上海理工大学 | Flat grinder for vertical shaft double-circular truncated cone saw blade |
| CN103769948A (en) * | 2013-12-27 | 2014-05-07 | 山东鲁南机床有限公司 | Numerical control rotary table of horizontal machining center |
| CN104029023A (en) * | 2014-05-22 | 2014-09-10 | 山东鲁南华源数控股份有限公司 | Rotary worktable power transmission mechanism |
| CN104289976A (en) * | 2014-09-15 | 2015-01-21 | 沈机集团昆明机床股份有限公司 | Machine tool spindle torque loading test system |
| CN104668973A (en) * | 2013-12-02 | 2015-06-03 | 海博精密有限公司 | Revolving table device |
| CN105782422A (en) * | 2014-12-26 | 2016-07-20 | 中日龙(襄阳)机电技术开发有限公司 | Gear engagement gap eliminating device |
| CN105817905A (en) * | 2016-05-28 | 2016-08-03 | 全红英 | Variable-speed rotary device |
| CN106392677A (en) * | 2016-10-07 | 2017-02-15 | 江苏乔扬数控设备股份有限公司 | Stereoscopic machining method used for gantry type machining center machine |
| CN108755440A (en) * | 2018-07-24 | 2018-11-06 | 中铁十二局集团有限公司 | The small contact surface of large scale equipment reverses end for end equipment without shearing |
| CN109475990A (en) * | 2016-05-12 | 2019-03-15 | 埃科技术有限公司 | Revolving platform for workpieces processing |
| CN112872864A (en) * | 2021-01-16 | 2021-06-01 | 苏州科技大学 | Lower shaft milling clamp |
| CN113433298A (en) * | 2021-05-28 | 2021-09-24 | 浙江兆丰机电股份有限公司 | Bearing heat flow characteristic test device for drive axle and test method thereof |
| CN113510492A (en) * | 2021-06-30 | 2021-10-19 | 深圳市蓝蓝科技有限公司 | High-speed numerical control rotary table of fourth shaft torque motor |
-
2008
- 2008-05-07 CN CNA2008101079956A patent/CN101269464A/en active Pending
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554709B (en) * | 2009-05-11 | 2011-03-30 | 清华大学 | Motor built-in polishing machine turntable |
| CN101596680B (en) * | 2009-06-18 | 2010-08-25 | 新乡日升数控轴承装备股份有限公司 | High-precision vertical revolving worktable |
| CN101947735B (en) * | 2010-09-10 | 2012-07-25 | 康凤明 | Super-short cylinder rolling rotary table |
| CN101947735A (en) * | 2010-09-10 | 2011-01-19 | 康凤明 | Super-short cylinder rolling rotary table |
| CN101947731A (en) * | 2010-09-17 | 2011-01-19 | 张家港玉成精机有限公司 | Combined machine tool |
| CN102039527A (en) * | 2010-09-29 | 2011-05-04 | 中捷机床有限公司 | Open-type static pressure rotating table for controlling floating degree and manufacturing method thereof |
| CN102039527B (en) * | 2010-09-29 | 2013-03-13 | 中捷机床有限公司 | Open-type static pressure rotating table for controlling floating degree and manufacturing method thereof |
| CN101954597A (en) * | 2010-10-11 | 2011-01-26 | 烟台环球机床附件集团有限公司 | Heavy-load numerical control rotating table |
| CN101954597B (en) * | 2010-10-11 | 2012-04-25 | 烟台环球机床附件集团有限公司 | Heavy-load numerical control rotating table |
| CN102935606A (en) * | 2012-12-04 | 2013-02-20 | 上海理工大学 | Flat grinder for vertical shaft double-circular truncated cone saw blade |
| CN104668973A (en) * | 2013-12-02 | 2015-06-03 | 海博精密有限公司 | Revolving table device |
| CN103769948A (en) * | 2013-12-27 | 2014-05-07 | 山东鲁南机床有限公司 | Numerical control rotary table of horizontal machining center |
| CN104029023A (en) * | 2014-05-22 | 2014-09-10 | 山东鲁南华源数控股份有限公司 | Rotary worktable power transmission mechanism |
| CN104289976A (en) * | 2014-09-15 | 2015-01-21 | 沈机集团昆明机床股份有限公司 | Machine tool spindle torque loading test system |
| CN105782422A (en) * | 2014-12-26 | 2016-07-20 | 中日龙(襄阳)机电技术开发有限公司 | Gear engagement gap eliminating device |
| CN109475990A (en) * | 2016-05-12 | 2019-03-15 | 埃科技术有限公司 | Revolving platform for workpieces processing |
| CN105817905A (en) * | 2016-05-28 | 2016-08-03 | 全红英 | Variable-speed rotary device |
| CN105817905B (en) * | 2016-05-28 | 2017-12-22 | 陈春良 | A kind of variable-ratio slewing equipment |
| CN106392677A (en) * | 2016-10-07 | 2017-02-15 | 江苏乔扬数控设备股份有限公司 | Stereoscopic machining method used for gantry type machining center machine |
| CN106392677B (en) * | 2016-10-07 | 2018-05-29 | 江苏乔扬数控设备股份有限公司 | A kind of three-dimension process method for gantry Machining Center machine |
| CN108755440A (en) * | 2018-07-24 | 2018-11-06 | 中铁十二局集团有限公司 | The small contact surface of large scale equipment reverses end for end equipment without shearing |
| CN112872864A (en) * | 2021-01-16 | 2021-06-01 | 苏州科技大学 | Lower shaft milling clamp |
| CN113433298A (en) * | 2021-05-28 | 2021-09-24 | 浙江兆丰机电股份有限公司 | Bearing heat flow characteristic test device for drive axle and test method thereof |
| CN113510492A (en) * | 2021-06-30 | 2021-10-19 | 深圳市蓝蓝科技有限公司 | High-speed numerical control rotary table of fourth shaft torque motor |
| CN113510492B (en) * | 2021-06-30 | 2022-05-20 | 深圳市蓝蓝科技有限公司 | High-speed numerical control rotary table of fourth shaft torque motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101269464A (en) | Precision rotating table device | |
| CN201189608Y (en) | Precision rotating table apparatus | |
| CN103567550B (en) | Full-numerical-control spiral bevel gear generator | |
| CN102029530A (en) | Large precise numerical control rotating table | |
| CN103028953A (en) | Static pressure working platform for hobbing machine | |
| CN202861783U (en) | Rotary index table | |
| CN105965070A (en) | Machine tool with rotating movable guide box | |
| CN203636504U (en) | Precise rotary working table | |
| CN203556966U (en) | Full numerical control gear milling machine for spiral bevel gear | |
| CN102658400B (en) | Digital control gear milling machine of spiral bevel gear | |
| CN214135514U (en) | Upper grinding disc floating mechanism of double-end-face grinding machine | |
| CN105855919A (en) | Turntable for high-speed dry cutting hobbing machine | |
| CN103170865A (en) | Valve body machining numerical control double-spindle drilling and milling power head | |
| CN202715833U (en) | Axial locking mechanism for machine tool spindle | |
| CN102728859B (en) | Axial locking mechanism of machine tool spindle | |
| CN101954494B (en) | Vertical servo hydraulic tool rest | |
| CN215919136U (en) | Multi-shaft U-drill drilling machine with adjustable center distance | |
| CN102490066A (en) | Nut rotation type screw nut transmission device and boring-milling machine | |
| CN203565884U (en) | Tool spindle device of numerical control spiral bevel gear milling machine | |
| CN203045321U (en) | Static pressure working table for gear hobbing machine | |
| CN201346705Y (en) | Direct-drive double shaft precision rotary table | |
| CN208703031U (en) | A kind of Pneumatic high-power gyrator deceleration mechanism | |
| CN203357109U (en) | Ram type five-shaft mechanical variable speed boring and milling moving tool bit | |
| CN201841273U (en) | Vertical servo hydraulic knife rest | |
| CN203245655U (en) | Numerical control double-shaft drilling and milling power head for machining valve body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080924 |