CN117359131A - Direct-drive high-precision horizontal turntable - Google Patents
Direct-drive high-precision horizontal turntable Download PDFInfo
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- CN117359131A CN117359131A CN202311551866.7A CN202311551866A CN117359131A CN 117359131 A CN117359131 A CN 117359131A CN 202311551866 A CN202311551866 A CN 202311551866A CN 117359131 A CN117359131 A CN 117359131A
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- main shell
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- circular grating
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- 230000033001 locomotion Effects 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 abstract description 17
- 238000003754 machining Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000005459 micromachining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
- B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
- B23K26/0624—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses using ultrashort pulses, i.e. pulses of 1ns or less
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a direct-drive high-precision horizontal turntable, which comprises: the mandrel is provided with a mandrel central cavity; the first main shell and the second main shell are respectively sleeved at the front end and the rear end of the mandrel; the direct-drive motor is arranged in the second main shell and is provided with a motor shaft, one end of the motor shaft is connected with the rear end of the mandrel, and the other end of the motor shaft is sleeved with a circular grating; the reading head is arranged in the second main shell and is used for reading the scales of the circular grating in real time; the control system is respectively connected with the direct-drive motor and the circular grating in a communication way, and sends a movement instruction to the direct-drive motor, the direct-drive motor rotates and drives the mandrel and the circular grating to rotate, the reading head reads the scribing on the circular grating in real time and sends the scribing to the control system, and the control system receives information of the reading head and compares the information with the movement instruction to confirm whether the mandrel moves to a specified angle position. The invention provides a matched reliable high-precision rotary motion platform for femtosecond laser processing of a columnar structure, and particularly provides powerful support for ultra-fine processing of a large load of 20kg level.
Description
Technical Field
The invention belongs to the precision machining and precision test measurement of cylindrical and circular tubular workpieces, is particularly applied to femtosecond laser machining, and relates to a direct-drive high-precision horizontal turntable.
Background
Because the femtosecond laser pulse has the characteristics of short duration, extremely high peak power, strong focusing capability and the like, the femtosecond laser has unique advantages in laser processing, and can realize non-hot-melt cold treatment on almost all materials to obtain ultra-fine, low-damage and space 3D processing and processing structures. These unique advantages of femtosecond lasers are their wide application in material micromachining, micronano-fabrication, photonic devices, high density storage, medical and bioengineering, and the like.
In order to fully develop the characteristic of ultra-fine processing of femtosecond laser processing, a high-precision and high-stability motion platform is required to provide movement and rotation in all directions. While some hyperfine machining of cylindrical and tubular structures requires high precision rotary motion stages.
In the prior art, a horizontal turntable mostly adopts a driving mode of a servo motor and a gear transmission or a worm gear, and the driving mode is difficult to realize the requirement of high precision due to the existence of a mechanical transmission chain. In addition, the existing turntable is supported by adopting a deep groove ball bearing or tapered roller bearing mode, and the bearing capacity and the precision of the turntable are difficult to meet the requirements of femtosecond laser processing.
Disclosure of Invention
It is an object of the present invention to address at least the above problems and/or disadvantages and to provide at least the advantages described below.
The invention also aims to provide the direct-drive high-precision horizontal turntable, which can meet the requirement of high-precision femtosecond laser processing of a heavy-duty columnar structure and provide motion guarantee for superfine processing of femtosecond laser.
For this purpose, the technical scheme provided by the invention is as follows:
a direct drive high precision horizontal turntable, comprising:
the mandrel is arranged in the horizontal direction, and a mandrel central cavity is arranged in the axial direction of the mandrel;
the first main shell and the second main shell are respectively sleeved at the front end and the rear end of the mandrel;
the direct-drive motor is arranged in the second main shell and is positioned between the second main shell and the mandrel, the direct-drive motor is provided with a motor shaft, one end of the motor shaft is connected with the rear end of the mandrel, and the other end of the motor shaft is sleeved with a circular grating;
the reading head is arranged in the second main shell and is positioned between the second main shell and the mandrel, and the reading head reads the data of the circular grating in real time;
the control system is respectively connected with the direct-drive motor and the circular grating in a communication way, the control system sends a motion instruction to the direct-drive motor, the direct-drive motor rotates and drives the mandrel and the circular grating to rotate, the reading head reads data on the circular grating in real time and sends the data to the control system, and the control system receives information of the reading head and compares the information with the motion instruction to confirm whether the mandrel moves to a specified angle position.
Preferably, the direct-drive high-precision horizontal turntable further comprises:
and one end of the chuck mounting plate is mounted at the front end of the mandrel, and the other end of the chuck mounting plate is connected with a three-jaw chuck.
Preferably, the direct-drive high-precision horizontal turntable further comprises:
the two collars are respectively sleeved at the front end and the rear end of the mandrel, the two collars are respectively positioned at the inner sides of the first main shell and the second main shell, and the outer ring end faces of the two collars are respectively closely connected with the shoulder end faces of the first main shell and the second main shell. More preferably, the first collar and the second collar each employ crossed roller collars.
Preferably, the direct-drive high-precision horizontal turntable further comprises:
the two first collar check rings are respectively and correspondingly connected to the outer ring end surfaces of the two collars, and are respectively and fixedly connected with the first main shell and the second main shell; the two second collar check rings are respectively sleeved at two ends of the mandrel and are respectively connected with the inner ring end faces of the two collars.
Preferably, the direct-drive high-precision horizontal turntable comprises a direct-drive motor stator fixed on the second main shell, a motor shaft connected to the direct-drive motor stator and a direct-drive motor rotor sleeved on the motor shaft.
Preferably, the direct-drive high-precision horizontal turntable is characterized in that the reading head is fixed on the second main shell through a reading head mounting plate.
Preferably, the direct-drive high-precision horizontal turntable further comprises:
the first main shell and the second main shell are both fixed on the base;
the shell is sleeved outside the first main shell and the second main shell, the lower end of the shell is fixed on the base, the front end of the shell is fixed with a front end cover, and the rear end of the shell is fixed with a cover plate.
The invention at least comprises the following beneficial effects:
1. the invention adopts the direct drive torque motor to drive, has zero tooth slot effect and no transmission structure when the servo motor is used for driving, improves the driving precision, greatly reduces the size of the structure, and can fully meet the installation application in a limited space.
2. The motor rotating shaft adopts a circular grating as position feedback, so that closed-loop control of the structure is realized, and higher precision requirements are met.
3. The turntable is supported by adopting crossed roller collars, and simultaneously, the support of a longer heavy-load workpiece is satisfied by arranging two groups of spaced collars.
4. The high precision (axial runout and radial runout < 1 μm, repeated positioning precision < 1 acrsec) of the turntable structure is ensured through split structural design and assembly process.
5. The structural design of the large drift diameter enables the long-sized columnar workpiece to be clamped and installed through the inside of the rotary table, improves the stress condition of the workpiece, and ensures high-precision operation of the workpiece in the machining process.
The invention provides a matched reliable high-precision rotary motion platform for femtosecond laser processing of a columnar structure, and particularly provides powerful support for ultra-fine processing of a large load of 20kg level.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a perspective view of a direct-drive high-precision horizontal turntable in one of the solutions of the present invention.
Fig. 2 is a perspective view of a direct-drive high-precision horizontal turntable in one embodiment of the invention.
Fig. 3 is a schematic cross-sectional structure of a direct-drive high-precision horizontal turntable in one scheme of the invention.
Detailed Description
The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1, 2 and 3, the present invention provides a direct-drive high-precision horizontal turntable, comprising:
a mandrel 15 disposed in a horizontal direction, the mandrel 15 being provided with a mandrel central cavity along an axial direction thereof;
the first main casing 16 and the second main casing 5 are respectively sleeved at the front end and the rear end of the mandrel 15;
the direct-drive motor is arranged in the second main shell 5 and is positioned between the second main shell 5 and the mandrel 15, the direct-drive motor is provided with a motor shaft 11, one end of the motor shaft 11 is connected with the rear end of the mandrel 15, and the other end of the motor shaft 11 is sleeved with a circular grating 10;
a reading head 9, which is disposed in the second main housing 5 and is located between the second main housing 5 and the mandrel 15, and the reading head 9 reads the data of the circular grating 10 in real time;
the control system is respectively in communication connection with the direct-drive motor and the circular grating 10, the control system sends a motion instruction to the direct-drive motor, the direct-drive motor rotates and drives the mandrel 15 and the circular grating 10 to rotate, the reading head 9 reads data on the circular grating 10 in real time and sends the data to the control system, and the control system receives information of the reading head and compares the information with the motion instruction to confirm whether the mandrel 15 moves to a specified angle position. The outer circumference of the circular grating 10 is carved with a plurality of precise data, the reading head 9 can confirm the angle position of the turntable by reading the data on the circular grating 10 ruler all the time, the control system gives a motion instruction to the motor part, the motor rotates, the circular grating 10 rotates along with the rotation, at the moment, the reading head 9 confirms the rotating angle by reading the data on the circular grating 10 and feeds back the information to the control system, and the control system confirms whether the turntable moves to the designated angle position or not by comparing the fed back position information with the given motion instruction, so that a closed loop system of the angle position is formed.
The invention adopts the direct drive torque motor to drive, has zero tooth slot effect and no transmission structure when the servo motor is used for driving, improves the driving precision, greatly reduces the size of the structure, and can fully meet the installation application in a limited space. Meanwhile, the rotary shaft of the motor adopts the circular grating 10 as position feedback, so that closed-loop control of the structure is realized, and higher precision requirements are met. And moreover, due to the structural design of the large drift diameter, the long-size columnar workpiece can be clamped and installed through the inside of the turntable, so that the stress condition of the workpiece is improved, and the high-precision operation of the workpiece in the machining process is ensured.
The invention provides a matched reliable high-precision rotary motion platform for femtosecond laser processing of a columnar structure, and particularly provides powerful support for ultra-fine processing of a large load of 20kg level.
In the above aspect, preferably, the method further includes:
a chuck mounting plate 18 having one end mounted on the front end of the spindle 15 and the other end connected to a three-jaw chuck 19. When the turntable works, the three-jaw chuck 19 is used for clamping a workpiece, and if the workpiece is too long, the workpiece can partially extend into the through hole of the mandrel 15 so as to improve the machining precision of the workpiece; if not deep into the mandrel 15, a long cantilever structure is formed, and the deviation of the workpiece end during processing is large due to the long cantilever structure.
In one embodiment of the present invention, preferably, the method further comprises:
the two collars 3 are respectively sleeved at the front end and the rear end of the mandrel 15, the two collars 3 are respectively positioned at the inner sides of the first main casing 16 and the second main casing 5, and the outer ring end faces of the two collars 3 are respectively closely contacted with the shoulder end faces of the first main casing 16 and the second main casing 5. Preferably, both collars 3 are crossed roller collars.
In one embodiment of the present invention, preferably, the method further comprises:
two first collar retainers 2 and two second collar retainers 4, the two first collar retainers 2 are respectively and correspondingly connected to outer ring end surfaces of the two collars 3, and are respectively and fixedly connected with the first main housing 16 and the second main housing 5; the two second collar check rings 4 are respectively sleeved at two ends of the mandrel 15 and are respectively connected with the inner ring end surfaces of the two collars 3.
In one of the solutions of the present invention, preferably, the direct-drive motor includes a direct-drive motor stator 7 fixed on the second main housing 5, a motor shaft 11 connected to the direct-drive motor stator 7, and a direct-drive motor mover 6 sleeved on the motor shaft 11.
In one embodiment of the present invention, the reading head 9 is preferably fixed to the second main casing 5 by a reading head mounting plate 8.
In one embodiment of the present invention, preferably, the method further comprises:
a base 1, the first main casing 16 and the second main casing 5 are fixed on the base 1; playing a role in fixation.
And a housing 14 which is sleeved outside the first main casing 16 and the second main casing 5, wherein the lower end of the housing 14 is fixed on the base 1, the front end of the housing 14 is fixed with a front end cover 17, and the rear end is fixed with a cover plate 12.
For a better understanding of the technical solution of the present invention, the following examples are now provided for illustration:
a direct drive high precision horizontal turntable, comprising:
a mandrel 15 disposed in a horizontal direction, the mandrel 15 being provided with a mandrel central cavity along an axial direction thereof;
the first main casing 16 and the second main casing 5 are respectively sleeved at the front end and the rear end of the mandrel 15;
the direct-drive motor is arranged in the second main shell 5 and is positioned between the second main shell 5 and the mandrel 15, the direct-drive motor is provided with a motor shaft 11, one end of the motor shaft 11 is connected with the rear end of the mandrel 15, and the other end of the motor shaft 11 is sleeved with a circular grating 10;
a reading head 9, which is disposed in the second main housing 5 and is located between the second main housing 5 and the mandrel 15, and the reading head 9 reads the data of the circular grating 10 in real time; the reading head 9 is fixed to the second main casing 5 by a reading head mounting plate 8.
The control system is respectively in communication connection with the direct-drive motor and the circular grating 10, the control system sends a motion instruction to the direct-drive motor, the direct-drive motor rotates and drives the mandrel 15 and the circular grating 10 to rotate, the reading head 9 reads data on the circular grating 10 in real time and sends the data to the control system, and the control system receives information of the reading head and compares the information with the motion instruction to confirm whether the mandrel 15 moves to a specified angle position.
A chuck mounting plate 18 having one end mounted on the front end of the spindle 15 and the other end connected to a three-jaw chuck 19.
The two collars 3 are respectively sleeved at the front end and the rear end of the mandrel 15, the two collars 3 are respectively positioned at the inner sides of the first main casing 16 and the second main casing 5, and the outer ring end faces of the two collars 3 are respectively in close contact with the shoulder end faces of the first main casing 16 and the second main casing 5. Preferably, the first collar 33 and the second collar 3 are crossed roller collars 3.
Two first collar retainers 2 and two second collar retainers 4, the two first collar retainers 2 are respectively and correspondingly connected to outer ring end surfaces of the two collars 3, and are respectively and fixedly connected with the first main housing 16 and the second main housing 5; the two second collar check rings 4 are respectively sleeved at two ends of the mandrel 15 and are respectively connected with the inner ring end surfaces of the two collars 3.
A base 1, the first main casing 16 and the second main casing 5 are fixed on the base 1; playing a role in fixation.
And a housing 14 which is sleeved outside the first main casing 16 and the second main casing 5, wherein the lower end of the housing 14 is fixed on the base 1, the front end of the housing 14 is fixed with a front end cover 17, and the rear end is fixed with a cover plate 12.
The two collar 3 inner rings are respectively sleeved at two ends of the mandrel 15, the two collar retainer rings 4 are respectively sleeved at two ends of the mandrel 15 and compress the inner ring end faces of the collar 3, and are fixedly connected with the mandrel 15 through screws, one collar 3 is arranged in the first main shell 16 to enable the outer ring end faces to lean against the shoulder end faces of the first main shell 16, the other collar 3 is arranged in the second main shell 52 to enable the outer ring end faces to lean against the shoulder end faces of the second main shell 5, and the two first collar retainer rings respectively compress the outer ring end faces of the two collar 3 and are respectively fixedly connected with the first main shell 16 and the second main shell 5 through screws.
The direct-drive motor stator 7 is arranged in the second main shell 5, the direct-drive motor stator 7 and the second main shell 5 are adhered and fixed through cementing, the direct-drive motor rotor 6 is sleeved on the motor shaft 11, the direct-drive motor rotor 6 and the motor shaft 11 are adhered and fixed through cementing, one end of the motor shaft 11 is adhered to one end of the mandrel 15 and is connected and fixed through a screw, the circular grating 10 is sleeved on the other conical surface end of the motor shaft 11, the reading head 9 is fixed with the reading head mounting plate 8 through a screw, and the reading head mounting plate 8 is fixed with the second main shell 5 through a screw.
The first main casing 16 and the second main casing 5 are respectively fixed with the base 1 by screws, the outer casing 14 is fixed with the base 1 by screws, the joint fixing frame and the front end cover 17 are respectively fixed at two ends of the outer casing 14 by screw connection, and the cover plate 12 is fixed with the joint fixing frame 13 by screws.
The chuck mounting plate 18 is fixed to the mandrel 15 by screws, the three-jaw chuck 19 is fixedly connected to the chuck mounting plate 18 by screws, and the electric connector 20 is fixed to the connector fixing frame by screws.
When the turntable works, the three-jaw chuck 19 is used for clamping a workpiece, and if the workpiece is too long, the workpiece can partially extend into the through hole of the mandrel 15 so as to improve the machining precision of the workpiece; if not deep into the mandrel 15, a long cantilever structure is formed, and the deviation of the workpiece end during processing is large due to the long cantilever structure. The outer circumference of the circular grating 10 is carved with a plurality of precise data, the reading head 9 can confirm the angle position of the turntable by reading the data on the circular grating 10 ruler all the time, the control system gives a motion instruction to the motor part, the motor rotates, the circular grating 10 rotates along with the rotation, at the moment, the reading head 9 confirms the rotating angle by reading the data on the circular grating 10 and feeds back the information to the control system, and the control system confirms whether the turntable moves to the designated angle position or not by comparing the fed back position information with the given motion instruction, so that a closed loop system of the angle position is formed. The direct-drive motor comprises a direct-drive motor stator 7 fixed on the second main shell 5, a motor shaft 11 connected to the direct-drive motor stator 7 and a direct-drive motor rotor 6 sleeved on the motor shaft 11. The invention adopts the direct drive torque motor to drive, has zero tooth slot effect and no transmission structure when the servo motor is used for driving, improves the driving precision, greatly reduces the size of the structure, and can fully meet the installation application in a limited space. Meanwhile, the rotary shaft of the motor adopts the circular grating 10 as position feedback, so that closed-loop control of the structure is realized, and the higher precision requirement is met. The invention ensures the high precision of the turntable structure (axial runout and radial runout are less than 1 mu m, and repeated positioning precision is less than 1 acrsec) through a split structural design and an assembly process. And moreover, due to the structural design of the large drift diameter, the long-size columnar workpiece can be clamped and installed through the inside of the turntable, so that the stress condition of the workpiece is improved, and the high-precision operation of the workpiece in the machining process is ensured.
The number of modules and the scale of processing described herein are intended to simplify the description of the present invention. The application, modification and variation of the direct drive high precision horizontal turntable of the present invention will be apparent to those skilled in the art.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (7)
1. The utility model provides a direct-drive high accuracy horizontal revolving stage which characterized in that includes:
the mandrel is arranged in the horizontal direction, and a mandrel central cavity is arranged in the axial direction of the mandrel;
the first main shell and the second main shell are respectively sleeved at the front end and the rear end of the mandrel;
the direct-drive motor is arranged in the second main shell and is positioned between the second main shell and the mandrel, the direct-drive motor is provided with a motor shaft, one end of the motor shaft is connected with the rear end of the mandrel, and the other end of the motor shaft is sleeved with a circular grating;
the reading head is arranged in the second main shell and is positioned between the second main shell and the mandrel, and the reading head reads the data of the circular grating in real time;
the control system is respectively connected with the direct-drive motor and the circular grating in a communication way, the control system sends a motion instruction to the direct-drive motor, the direct-drive motor rotates and drives the mandrel and the circular grating to rotate, the reading head reads data on the circular grating in real time and sends the data to the control system, and the control system receives information of the reading head and compares the information with the motion instruction to confirm whether the mandrel moves to a specified angle position.
2. The direct-drive high-precision horizontal turntable as claimed in claim 1, further comprising:
and one end of the chuck mounting plate is mounted at the front end of the mandrel, and the other end of the chuck mounting plate is connected with a three-jaw chuck.
3. The direct-drive high-precision horizontal turntable as claimed in claim 1, further comprising:
the two collars are respectively sleeved at the front end and the rear end of the mandrel, the two collars are respectively positioned at the inner sides of the first main shell and the second main shell, and the outer ring end faces of the two collars are respectively closely connected with the shoulder end faces of the first main shell and the second main shell.
4. A direct-drive high precision horizontal turntable as claimed in claim 3, further comprising:
the two first collar check rings are respectively and correspondingly connected to the outer ring end surfaces of the two collars, and are respectively and fixedly connected with the first main shell and the second main shell; the two second collar check rings are respectively sleeved at two ends of the mandrel and are respectively connected with the inner ring end faces of the two collars.
5. The direct-drive high-precision horizontal turntable as claimed in claim 1, wherein the direct-drive motor comprises a direct-drive motor stator fixed on the second main housing, a motor shaft connected to the direct-drive motor stator, and a direct-drive motor mover sleeved on the motor shaft.
6. The direct-drive high-precision horizontal turntable as claimed in claim 1, wherein the reading head is fixed to the second main casing by a reading head mounting plate.
7. The direct-drive high-precision horizontal turntable as claimed in claim 1, further comprising:
the first main shell and the second main shell are both fixed on the base;
the shell is sleeved outside the first main shell and the second main shell, the lower end of the shell is fixed on the base, the front end of the shell is fixed with a front end cover, and the rear end of the shell is fixed with a cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311551866.7A CN117359131A (en) | 2023-11-21 | 2023-11-21 | Direct-drive high-precision horizontal turntable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311551866.7A CN117359131A (en) | 2023-11-21 | 2023-11-21 | Direct-drive high-precision horizontal turntable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117359131A true CN117359131A (en) | 2024-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311551866.7A Pending CN117359131A (en) | 2023-11-21 | 2023-11-21 | Direct-drive high-precision horizontal turntable |
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| Country | Link |
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| CN (1) | CN117359131A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554709A (en) * | 2009-05-11 | 2009-10-14 | 清华大学 | Motor built-in polishing machine turntable |
| CN202053113U (en) * | 2011-03-14 | 2011-11-30 | 武汉机床厂 | Direct-drive workpiece head |
| CN102513898A (en) * | 2011-12-27 | 2012-06-27 | 长春设备工艺研究所 | Closed-loop transmission device for workpiece main shaft for grinding square optical elements interruptedly |
| CN107953117A (en) * | 2017-11-24 | 2018-04-24 | 哈工大机器人集团（哈尔滨）华粹智能装备有限公司 | A kind of large-scale heavy duty ultraprecise Horizontal hollow air-float turntable |
| CN216327297U (en) * | 2021-08-16 | 2022-04-19 | 浙江博星工贸有限公司 | Rotary headstock of high-precision cam grinder |
| CN116275632A (en) * | 2023-04-11 | 2023-06-23 | 北京瑞邦精控科技有限公司 | High-precision heavy-load AC shaft |
-
2023
- 2023-11-21 CN CN202311551866.7A patent/CN117359131A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554709A (en) * | 2009-05-11 | 2009-10-14 | 清华大学 | Motor built-in polishing machine turntable |
| CN202053113U (en) * | 2011-03-14 | 2011-11-30 | 武汉机床厂 | Direct-drive workpiece head |
| CN102513898A (en) * | 2011-12-27 | 2012-06-27 | 长春设备工艺研究所 | Closed-loop transmission device for workpiece main shaft for grinding square optical elements interruptedly |
| CN107953117A (en) * | 2017-11-24 | 2018-04-24 | 哈工大机器人集团（哈尔滨）华粹智能装备有限公司 | A kind of large-scale heavy duty ultraprecise Horizontal hollow air-float turntable |
| CN216327297U (en) * | 2021-08-16 | 2022-04-19 | 浙江博星工贸有限公司 | Rotary headstock of high-precision cam grinder |
| CN116275632A (en) * | 2023-04-11 | 2023-06-23 | 北京瑞邦精控科技有限公司 | High-precision heavy-load AC shaft |
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