CN117161797A - Machining system and machining positioning method for spindle shell - Google Patents
Machining system and machining positioning method for spindle shell Download PDFInfo
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- CN117161797A CN117161797A CN202311071139.0A CN202311071139A CN117161797A CN 117161797 A CN117161797 A CN 117161797A CN 202311071139 A CN202311071139 A CN 202311071139A CN 117161797 A CN117161797 A CN 117161797A
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- expansion sleeve
- conical surface
- expansion
- machining system
- cone surface
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- 238000003754 machining Methods 0.000 title claims description 31
- 238000000034 method Methods 0.000 title claims description 15
- 238000012545 processing Methods 0.000 claims abstract description 35
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000003993 interaction Effects 0.000 claims abstract description 5
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 16
- 238000009434 installation Methods 0.000 description 7
- 238000000227 grinding Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a processing system of a main shaft shell, which comprises: the inner support body at least comprises a columnar rotating body, and an outer conical surface is formed on the outer surface of the rotating body; the expansion sleeve is provided with a plurality of through grooves penetrating through the outer wall of the expansion sleeve so that the expansion sleeve can elastically deform in the radial direction, the inner wall of the expansion sleeve is provided with an inner conical surface, the expansion sleeve is provided with a first end and a second end, the inner conical surface extends outwards in an inclined mode from the first end to the second end, the rotating body is inserted into the inner hole of the expansion sleeve from the second end of the expansion sleeve, and the inner conical surface is arranged corresponding to the outer conical surface; the actuating mechanism is used for acting force on the end part of the expansion sleeve so as to enable the inner conical surface of the expansion sleeve and the outer conical surface of the rotating body to generate interaction force, and therefore the expansion sleeve is elastically deformed in the radial direction.
Description
Technical Field
The invention relates to the technical field of shell machining, in particular to a machining system and a machining positioning method for a spindle shell.
Background
As the precision of machine tool equipment increases, higher demands are also being made on the functional components of the machine tool. Such as a spindle unit or a housing of an electric spindle, which is one of the core parts of a spindle. The quality and precision of the electric spindle are directly determined. As the precision requirements on the main shaft component are higher and higher, the traditional tooling process has no advantages in turning, milling and grinding, and the advantages are efficiency and quality assurance.
The production process flow of the spindle housing is now illustrated: firstly forging a proper main shaft shell blank according to the drawing requirements, then carrying out numerical control rough machining, then carrying out heat treatment, tempering, then carrying out semi-finishing, heat treatment, tempering, finishing and grinding to obtain a finished product. The traditional process of the grinding machine is mainly described for the most important two parts of the process, namely finish machining.
In order to ensure that the coaxiality of the inner diameters of the two ends of the main shaft shell is smaller than or equal to 0.003mm, the coaxiality of the outer diameter and the inner diameter is smaller than or equal to 0.005mm, the parallelism of the two end surfaces of the main shaft shell is smaller than or equal to 0.003mm, and the perpendicularity of the main shaft shell and the inner hole is smaller than or equal to 0.003mm. The traditional process is that the grinding machine is supported by a center frame no matter finish machining is carried out, and then the grinding machine is subjected to alignment and reprocessing by a dial gauge. Because the center frame is adopted for supporting, the inner diameter and the outer diameter of the main shaft shell cannot be machined at one time, and the machining can be finished only in different steps. Such as machining the inner diameter first and then machining the outer diameter with double crowns. Or firstly processing the outer diameter, then adopting a center frame for turning, grinding the inner diameter and the like. The process has long processing procedure route, complex procedure and long time. Most of the processing time is used for transferring, clamping and aligning the coaxiality of the spindle shell. Because the center of the main shaft shell is aligned by the dial indicator again after each clamping, the machining efficiency of the main shaft shell is seriously affected.
Disclosure of Invention
The invention provides a processing system of a spindle housing, which can improve the processing precision and the processing efficiency of the spindle housing.
In order to solve the above technical problems, the present invention provides a processing system for a spindle housing, including:
the inner support main body is fixed on the processing main shaft and at least comprises a columnar rotating body, the processing main shaft and the rotating body are coaxially arranged, and an outer conical surface is formed on the outer surface of the rotating body;
the expansion sleeve is provided with a plurality of through grooves penetrating through the outer wall of the expansion sleeve so that the expansion sleeve can elastically deform in the radial direction, the inner wall of the expansion sleeve is provided with an inner conical surface, the expansion sleeve is provided with a first end and a second end, the inner conical surface extends outwards in an inclined mode from the first end to the second end, the rotating body is inserted into the inner hole of the expansion sleeve from the second end of the expansion sleeve, and the inner conical surface is arranged corresponding to the outer conical surface;
the actuating mechanism is used for acting force on the end part of the expansion sleeve so as to enable the inner conical surface of the expansion sleeve and the outer conical surface of the rotating body to generate interaction force, and therefore the expansion sleeve is elastically deformed in the radial direction;
the driving part is arranged on the processing main shaft and is connected with the actuating mechanism, and the driving part is used for driving the actuating mechanism to move so that the actuating mechanism acts on the expansion sleeve.
As an optimization of the above technical scheme, a central perforation is formed at the central position of the rotating body, the actuating mechanism comprises a pull rod and a pull head, the pull rod is arranged in the central perforation in a penetrating mode, the pull rod can move in the central perforation, the pull head is connected with the pull rod, and the pull head is in contact with the first end of the expansion sleeve.
As a preferable mode of the above technical solution, the inner cone surface includes a first inner cone surface and a second inner cone surface, the directions of oblique extension of the first inner cone surface and the second inner cone surface are identical, a set distance is provided between the first inner cone surface and the second inner cone surface in the length direction of the expansion sleeve, the outer cone surface includes a first outer cone surface and a second outer cone surface, and the first outer cone surface and the second outer cone surface are respectively provided corresponding to the first inner cone surface and the second inner cone surface.
Preferably, in the above technical solution, the first inner cone is close to the first end of the expansion sleeve, and the second inner cone is close to the second end of the expansion sleeve.
As the optimization of the technical scheme, the inner support main body further comprises a flange plate, wherein the flange plate is provided with mounting holes distributed in an annular array, the flange plate is connected with the end part of the rotating body, and the rotating body and the flange plate are coaxially arranged.
Preferably, in the above technical solution, a conical hole is formed on an end surface of the flange.
Preferably, in the above technical solution, the through grooves are distributed in an annular array.
As a preferable aspect of the foregoing disclosure, the through-hole groove includes a first through-hole groove and a second through-hole groove, one end of the first through-hole groove extends to an end face of the first end of the expansion shell, one end of the second through-hole groove extends to an end face of the second end of the expansion shell, and the first through-hole groove and the second through-hole groove are distributed in a staggered manner.
As the preference of above-mentioned technical scheme, the pull head includes disk body and ring body, the ring body with the terminal surface of disk body is connected, just the ring body with the coaxial heart equipment of disk body, the internal surface of ring body is formed with the internal thread, the central point of disk body put be formed with the hole intercommunication's of ring body installation perforation, be formed with the external screw thread on the surface near tip position on the pull rod, the tip of pull rod is formed with central screw hole, actuating mechanism still includes connecting bolt, external screw thread on the pull rod with threaded connection between the internal screw thread of ring body, connecting bolt passes the installation perforation with central screw hole threaded connection, external screw thread on the pull rod with the screw direction of the screw thread of the central screw hole of pull rod is opposite.
The invention also provides a processing and positioning method of the main shaft shell, the main shaft shell is arranged on the processing system so that the main shaft shell is matched with the expansion sleeve, the actuating mechanism is driven by the driving component to apply force to the expansion sleeve to enable the expansion sleeve to radially expand and deform, and the main shaft shell is expanded and positioned after the expansion sleeve expands and deforms.
The invention provides a processing system of a main shaft shell, which comprises an inner support main body, an expansion sleeve driving part and an actuating mechanism, wherein the inner support main body is fixed on a processing main shaft in an installation mode so that the inner support main body and the processing main shaft are kept coaxial, the driving part is arranged on the processing main shaft, the inner support main body comprises a columnar rotating body, the outer surface of the rotating body is provided with an outer conical surface, a plurality of through grooves formed on the expansion sleeve are used for enabling the expansion sleeve to elastically deform in the radial direction, the inner wall of the expansion sleeve is provided with an inner conical surface matched with the outer conical surface, the main shaft shell is sleeved on the expansion sleeve during working, the actuating mechanism is driven by the driving part to act on the actuating mechanism to enable the inner conical surface and the outer conical surface to generate interaction force on the end face of the expansion sleeve, the expansion sleeve generates radial acting force due to the fact that the inner conical surface and the outer conical surface are matched with each other, the expansion sleeve is outwards expanded and deformed, the expansion sleeve is enabled to be contacted with the inner wall of the main shaft shell, so that the main shaft shell is clamped and positioned, and the inner hole of the main shaft shell can be tightly positioned, so that the main shaft shell can be clamped and positioned, and the processing efficiency can be realized in the processing process of the main shaft shell.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present invention more readily apparent.
Drawings
Fig. 1 is a schematic perspective view showing a machining system of a spindle case according to the present embodiment;
FIG. 2 shows a cross-sectional view of a machining system for a spindle housing of the present embodiment;
fig. 3 is an exploded perspective view showing a machining system of a spindle case according to the present embodiment;
fig. 4 is a schematic perspective view showing the structure of the inner stay body in the present embodiment;
fig. 5 is a schematic perspective view showing the structure of the expansion shell in the present embodiment;
FIG. 6 shows a cross-sectional view of the expansion shell of the present embodiment;
fig. 7 is a schematic perspective view showing a slider in the present embodiment;
fig. 8 is a schematic view showing a perspective structure of a pull rod in the present embodiment;
fig. 9 is a schematic view showing the mounting structure of the spindle case in the present embodiment;
in the figure: 10. an inner support body; 20. a pull head; 30. a connecting bolt; 40. an expansion sleeve; 50. a pull rod; 101. a rotating body; 102. a flange plate; 103. a first outer conical surface; 104. a second outer conical surface; 105. a mounting hole; 106. a receiving hole; 107. a central perforation; 108. conical holes; 134. an outer conical surface; 201. a disc body; 202. a torus; 203. installing a perforation; 204. an internal thread; 401. a first through slot; 402. a second through groove; 403. a second internal conical surface; 404. a first internal conical surface; 412. a through groove; 434. an inner conical surface; 501. an external thread; 502. a central threaded bore; 100. a spindle housing.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, the technical solutions according to the embodiments of the present invention will be clearly described in the following with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 9, an embodiment of the present invention provides a machining system for a spindle housing, including:
the inner support main body 10 is fixed on a processing main shaft, the inner support main body 10 at least comprises a columnar rotating body 101, an outer conical surface 134 is formed on the outer surface of the rotating body 101, and the processing main shaft and the rotating body 101 are coaxially arranged;
the expansion shell 40, the expansion shell 40 is formed with a plurality of through slots 412 penetrating through the outer wall thereof to enable the expansion shell 40 to elastically deform in the radial direction, the expansion shell 40 is formed with an inner conical surface 434 on the inner wall of the expansion shell 40, the expansion shell 40 has a first end and a second end, the inner conical surface 434 extends from the first end to the second end in an oblique outer direction, the rotator 101 is inserted into the inner hole of the expansion shell 40 from the second end of the expansion shell 40, and the inner conical surface 434 corresponds to the outer conical surface 134;
the actuating mechanism is used for acting force on the end part of the expansion sleeve 40 so as to enable the inner conical surface 434 of the expansion sleeve 40 and the outer conical surface 134 of the rotating body 101 to generate interaction force, and therefore the expansion sleeve 40 is elastically deformed in the radial direction;
a driving part (not shown) is arranged on the processing main shaft, the driving part is connected with the executing mechanism, and the driving part is used for driving the executing mechanism to move so as to enable the executing mechanism to apply force on the expansion sleeve 40.
The processing system for a spindle housing provided in this embodiment includes an inner support body 10, an expansion sleeve 40, an actuating mechanism and a driving component, where the inner support body is fixed on a processing spindle in an installed manner so as to enable the inner support body and the processing spindle to maintain coaxial equipment, the driving component is disposed on the processing spindle, the inner support body 10 includes a columnar rotating body 101, an outer conical surface 134 is disposed on an outer surface of the rotating body 101, a plurality of through grooves 412 formed on the expansion sleeve 40 so as to enable the expansion sleeve 40 to elastically deform in a radial direction, an inner conical surface 434 matched with the outer conical surface 134 is disposed on an inner wall of the expansion sleeve 40, when the processing system works, the driving component drives the spindle housing 100 to be sleeved on the expansion sleeve 40, the actuating mechanism acts to apply force on an end surface of the expansion sleeve 40 so as to enable the inner conical surface 434 and the outer conical surface 134 to generate radial force so as to enable the expansion sleeve 40 to expand and deform outwards, and the expansion sleeve 40 contacts with an inner wall of the spindle housing 100 so as to enable the expansion sleeve 40 to be tightly clamped with the inner wall of the spindle housing 100, thereby realizing multiple positioning and positioning of the spindle housing 100 in a processing process.
Specifically, in this embodiment, the processing spindle rotates to drive the inner support body 10 to rotate, and then drive the spindle housing 100 to rotate, and the driving component is a rotary cylinder, which is disposed at the center of the processing spindle.
In a further implementation of this embodiment, a central through hole 107 is formed at the central position of the rotating body 101, and the actuator includes a pull rod 50 and a pull head 20, wherein the pull rod 50 is inserted into the central through hole 107 and the pull rod 50 is movable in the central through hole 107, the pull head 20 is connected with the pull rod 50, and the pull head 20 is in contact with the first end of the expansion sleeve 40.
The pull rod 50 in this embodiment is fixedly connected to the piston rod of the rotary cylinder.
In this embodiment, the pull rod 50 is connected with the driving component, the pull rod 50 is pulled by the driving component, and then the expansion sleeve 40 is expanded at the first end of the expansion sleeve 40 by acting force of the pull head 20, and in this embodiment, the pull rod 50 is in a through hole 107 from the center, so that the whole structure is reasonable, and the installation and the processing of the spindle housing 100 are not affected.
In a further implementation manner of this embodiment, the inner cone 434 includes a first inner cone 404 and a second inner cone 403, the directions of oblique extension of the first inner cone 404 and the second inner cone 403 are consistent, a set interval is provided between the first inner cone 404 and the second inner cone 403 in the length direction of the expansion shell 40, the outer cone 134 includes a first outer cone 103 and a second outer cone 104, and the first outer cone 103 and the second outer cone 104 are disposed corresponding to the first inner cone 404 and the second inner cone 403, respectively.
Through the cooperation of two conical surfaces in this embodiment, it can make expansion shell 40 atress more even when the atress takes place to expand, and radially warp more even, and it is also more even when contacting when the expansion shell 40 cooperation, and it can further promote the precision of clamping and processing.
In a further implementation of this embodiment, first inner tapered surface 404 is adjacent to a first end of inflation sleeve 40 and second inner tapered surface 403 is adjacent to a second end of inflation sleeve 40.
The first inner tapered surface 404 and the second inner tapered surface 403 in this embodiment are respectively adjacent to both ends of the expansion shell 40, which can further make the deformation more uniform in the radial direction.
In a further implementation manner of this embodiment, the inner support body 10 further includes a flange 102, where mounting holes 105 distributed in an annular array are formed on the flange 102, the flange 102 is connected to an end of the rotating body 101, and the rotating body 101 and the flange 102 are coaxially disposed.
The flange 102 in this embodiment can facilitate the installation of the inner support body 10.
In a further implementation of this embodiment, a conical bore 108 is formed in an end face of the flange 102.
In this embodiment, the conical hole 108 of the flange 102 can facilitate the coaxial installation of the conical hole 108 with the spindle during installation.
In a further implementation of this embodiment, the through slots 412 are distributed in an annular array.
In a further implementation of this embodiment, the through-slots 412 include a first through-slot 401 and a second through-slot 402, where one end of the first through-slot 401 extends to the end face of the first end of the expansion shell 40, and one end of the second through-slot 402 extends to the end face of the second end of the expansion shell 40, and the first through-slot 401 and the second through-slot 402 are in staggered arrangement.
The first through groove 401 and the second through groove 402 in this embodiment can make the deformation more uniform when the expansion shell 40 is elastically deformed, and can make the contact with the spindle housing 100 more uniform.
In a further implementation manner of this embodiment, the pull head 20 includes a disc body 201 and a ring body 202, the ring body 202 is connected with an end surface of the disc body 201, the ring body 202 and the disc body 201 are coaxial, an internal thread 204 is formed on an inner surface of the ring body 202, a mounting through hole 203 which is mutually communicated with an inner hole of the ring body 202 is formed in a central position of the disc body 201, an external thread 501 is formed on an outer surface of the pull rod 50 near an end portion, a central threaded hole 502 is formed on an end portion of the pull rod 50, the actuator further includes a connecting bolt 30, the external thread 501 on the pull rod 50 is in threaded connection with the internal thread 204 of the ring body 202, and the connecting bolt 30 passes through the mounting through hole 203 and is in threaded connection with the central threaded hole 502.
The structure of the pull head 20 in this embodiment is connected with the pull rod 50 by adopting double threads, so that the connection is more stable, and the pull head 20 can be effectively prevented from being displaced when being stressed.
In a further implementation of this embodiment, the external thread 501 on the tie rod 50 is in the opposite screw direction to the thread of the central threaded bore 502 of the tie rod 50.
The external thread 501 in this embodiment is opposite to the screw direction of the central threaded hole 502, which effectively prevents loosening of the slider 20 when applied.
In addition, the first end of the expansion shell 40 in this embodiment is formed with a receiving hole 106 coaxial with the central through hole 107, the receiving hole 106 being interfitted with the torus 202.
The present embodiment also provides a machining and positioning method for a spindle housing, in which the spindle housing 100 is mounted on a machining system so that the spindle housing 100 is matched with the expansion sleeve 40, the driving component drives the actuator to apply force to the expansion sleeve to radially expand and deform the expansion sleeve, and the spindle housing is tightly expanded and positioned after the expansion sleeve is expanded and deformed
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A machining system for a spindle housing, comprising:
the inner support main body is fixed on the processing main shaft and at least comprises a columnar rotating body, the processing main shaft and the rotating body are coaxially arranged, and an outer conical surface is formed on the outer surface of the rotating body;
the expansion sleeve is provided with a plurality of through grooves penetrating through the outer wall of the expansion sleeve so that the expansion sleeve can elastically deform in the radial direction, the inner wall of the expansion sleeve is provided with an inner conical surface, the expansion sleeve is provided with a first end and a second end, the inner conical surface extends outwards in an inclined mode from the first end to the second end, the rotating body is inserted into the inner hole of the expansion sleeve from the second end of the expansion sleeve, and the inner conical surface is arranged corresponding to the outer conical surface;
the actuating mechanism is used for acting force on the end part of the expansion sleeve so as to enable the inner conical surface of the expansion sleeve and the outer conical surface of the rotating body to generate interaction force, and therefore the expansion sleeve is elastically deformed in the radial direction;
the driving part is arranged on the processing main shaft and is connected with the actuating mechanism, and the driving part is used for driving the actuating mechanism to move so that the actuating mechanism acts on the expansion sleeve.
2. The spindle case machining system according to claim 1, wherein the rotary body is formed with a center hole at a center position thereof, the actuator includes a pull rod penetrating in the center hole and movable therein, and a pull head connected with the pull rod, the pull head being in contact with the first end of the expansion shell.
3. The machining system of a spindle case according to claim 1, wherein the inner cone surface includes a first inner cone surface and a second inner cone surface, directions of oblique extension of the first inner cone surface and the second inner cone surface are identical, a set interval is provided between the first inner cone surface and the second inner cone surface in a length direction of the expansion shell, the outer cone surface includes a first outer cone surface and a second outer cone surface, and the first outer cone surface and the second outer cone surface are disposed corresponding to the first inner cone surface and the second inner cone surface, respectively.
4. A spindle housing machining system according to claim 3 wherein the first inner taper is adjacent a first end of the expansion shell and the second inner taper is adjacent a second end of the expansion shell.
5. The spindle case machining system according to claim 1, wherein the inner support body further includes a flange plate, mounting holes distributed in an annular array are formed in the flange plate, the flange plate is connected to an end portion of the rotating body, and the rotating body and the flange plate are coaxially disposed.
6. The spindle case machining system according to claim 5, wherein a conical hole is formed in an end surface of the flange.
7. The spindle housing machining system of claim 1 wherein the through slots are distributed in an annular array.
8. The spindle case machining system according to claim 7, wherein the through slots include a first through slot and a second through slot, one end of the first through slot extending to an end face of the first end of the expansion shell, one end of the second through slot extending to an end face of the second end of the expansion shell, the first through slot and the second through slot being staggered.
9. The spindle case machining system according to claim 2, wherein the slider includes a disk body and a ring body, the ring body is connected to an end surface of the disk body, and the ring body is coaxial with the disk body, an internal thread is formed on an inner surface of the ring body, a mounting hole communicating with an inner hole of the ring body is formed at a center position of the disk body, an external thread is formed on an outer surface of the pull rod near an end position, a center screw hole is formed at an end of the pull rod, the actuator further includes a connecting bolt, a screw connection is provided between the external thread of the pull rod and the internal thread of the ring body, and the connecting bolt passes through the mounting hole and the center screw hole to screw the external thread of the pull rod and a screw direction of the screw of the center screw hole of the pull rod.
10. A method for positioning a spindle housing in a machining system according to any one of claims 1 to 9, wherein the spindle housing is mounted on the machining system so that the spindle housing is engaged with an expansion sleeve, the expansion sleeve is radially expanded and deformed by a force applied to the expansion sleeve by a driving member, and the spindle housing is positioned after the expansion sleeve is expanded and deformed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311071139.0A CN117161797A (en) | 2023-08-24 | 2023-08-24 | Machining system and machining positioning method for spindle shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311071139.0A CN117161797A (en) | 2023-08-24 | 2023-08-24 | Machining system and machining positioning method for spindle shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117161797A true CN117161797A (en) | 2023-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311071139.0A Pending CN117161797A (en) | 2023-08-24 | 2023-08-24 | Machining system and machining positioning method for spindle shell |
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| Country | Link |
|---|---|
| CN (1) | CN117161797A (en) |
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2023
- 2023-08-24 CN CN202311071139.0A patent/CN117161797A/en active Pending
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