CN116871929A - Angle conversion tool bit shank positioning accuracy adjusting device and method - Google Patents
Angle conversion tool bit shank positioning accuracy adjusting device and method Download PDFInfo
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- CN116871929A CN116871929A CN202310947804.1A CN202310947804A CN116871929A CN 116871929 A CN116871929 A CN 116871929A CN 202310947804 A CN202310947804 A CN 202310947804A CN 116871929 A CN116871929 A CN 116871929A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000006978 adaptation Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 6
- 208000014674 injury Diseases 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 3
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- 238000003754 machining Methods 0.000 description 2
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- 230000000694 effects Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Sensing Apparatuses (AREA)
Abstract
The invention discloses a device and a method for adjusting the positioning precision of a cutter handle of an angle conversion cutter head.A cutter handle mounting hole of a calibrating device is formed in a mounting seat, the cutter handle mounting hole of the calibrating device is used for placing a cutter handle of an angle head, and the cutter handle mounting hole of the calibrating device is consistent with a taper hole of a main shaft of a machining center in size; the angle positioning block is fixed at the central position inside the tool handle mounting hole of the calibrating device and is used for being positioned in an adaptive manner with the tool handle clamping groove of the angle head, and the angle of the angle positioning block is consistent with the orientation angle of the main shaft of the machining center; the locating pin is installed on the terminal surface of mount pad for with the locating hole adaptation location on the angle head, the angular position of locating pin is unanimous with machining center main shaft locating pin angle, and angle head reference surface detection device sets up on the terminal surface of mount pad, is used for detecting the position of angle head reference surface. The invention can simply calibrate the positioning reference of the angle head and the angle of the tool bit to the installation standard and the processing and using precision, and simultaneously avoid great potential safety hazards such as cutting injury of people and smash injury of parts.
Description
Technical Field
The invention belongs to the technical field of positioning accuracy adjustment of angle conversion tool bit tool shanks, and particularly relates to a positioning accuracy adjustment device and method of an angle conversion tool bit tool shank.
Background
The angle conversion tool bit (hereinafter referred to as angle bit) that uses at present, this angle bit machining precision is high, the angle bit is at the high-speed in-process of moving the processing part, the produced various forces of operation load, vibration can lead to angle conversion tool bit positioning mechanism and tool bit angle to take place misplacement, the accident that appears the angle bit collides with machining center's main shaft, in order to avoid collision accident, before using the angle bit, must carry out angle conversion tool bit positioning accuracy calibration work earlier, every time when the calibration, three people are required to operate, two people lift up angle tool bit and aim at machining center's main shaft taper hole, alone manual adjustment tool bit positioning angle, adopt the mode of trial and error constantly to adjust, it is difficult to satisfy the operation requirement to take time and energy, machining precision is difficult to guarantee yet, there are great potential safety hazards such as falling the knife wound people and injuring the part in the debugging process to the angle bit weight is far more than ordinary cutter.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide the device and the method for adjusting the positioning precision of the cutter handle of the angle conversion cutter head, which can simply calibrate the positioning reference of the angle head and the angle of the cutter head to the mounting standard and the processing and using precision, and simultaneously avoid great potential safety hazards such as cutting injury of people and injury of parts by smashing.
The technical scheme adopted by the invention is as follows:
the angle conversion tool bit tool shank positioning accuracy adjusting device comprises a mounting seat, a positioning pin, an angle positioning block and an angle head reference surface detecting device, wherein a calibration device tool shank mounting hole is formed in the mounting seat and used for placing a tool shank of an angle head, and the calibration device tool shank mounting hole is consistent with a machining center main shaft taper hole in size; the angle positioning block is fixed at the central position inside the tool handle mounting hole of the calibrating device and is used for being positioned in an adaptive manner with the tool handle clamping groove of the angle head, and the angle of the angle positioning block is consistent with the orientation angle of the main shaft of the machining center; the locating pin is installed on the terminal surface of mount pad, and the locating pin is used for with the locating hole adaptation location on the angle head, and the angular position of locating pin is unanimous with machining center main shaft locating pin angle, and angle head reference surface detection device sets up on the terminal surface of mount pad for detect the position of angle head reference surface.
Preferably, the handle mounting hole of the calibrating device adopts a stepped hole, and the handle mounting hole of the calibrating device and the handle of the angle head are in clearance fit.
Preferably, the mounting base is of steel structure.
Preferably, the angular positioning block is in clearance fit with the knife handle clamping groove on the angle head.
Preferably, the angular positioning block is in a cuboid structure.
Preferably, a locating pin mounting hole for mounting a locating pin is formed in the end face of the mounting seat, one end of the locating pin is arranged in the locating pin mounting hole, and the locating pin is in interference fit with the locating pin mounting hole; the other end of the locating pin protrudes out of the end face of the mounting seat and is in clearance fit with the locating hole on the angle head.
Preferably, the number of the positioning pins is 3.
Preferably, the angle head reference surface detection device comprises a guide rail sliding block mechanism and a dial indicator, wherein a guide rail of the guide rail sliding block mechanism is arranged on the end surface of the mounting seat, the sliding direction of a sliding block of the guide rail sliding block mechanism on the guide rail is parallel to a positioning reference bar of the angle head, the positioning reference bar is arranged on a positioning bracket of the angle head, and the dial indicator is connected with the sliding block of the guide rail sliding block mechanism.
Preferably, a guide rail of the guide rail sliding block mechanism adopts a detection miniature linear guide rail;
the magnetic meter frame is arranged on the sliding block, and the sliding block is connected with the dial indicator through the magnetic meter frame.
The invention also provides a method for adjusting the positioning precision of the angle conversion tool bit knife handle, which is carried out by adopting the device for adjusting the positioning precision of the angle conversion tool bit knife handle, and comprises the following steps:
placing the mounting seat on a horizontal operation table top;
placing an angle head to be calibrated on the angle conversion tool bit handle positioning precision adjusting device, and enabling a tool bit positioning locking mechanism of the angle head to be in a loosening adjustment state; when the angle head is placed, a cutter handle clamping groove of the angle head is aligned with the angle positioning block, a positioning hole on the angle head positioning bracket is sleeved on the positioning pin, then the angle head is dropped, the cutter handle of the angle head is inserted into a cutter handle mounting hole of the calibrating device, and meanwhile, the angle positioning block is embedded into the cutter handle clamping groove of the angle head;
the position of the datum plane of the angle head is detected by the angle head datum plane detection device, the angle of the angle head is adjusted according to the detection result, the position of the datum plane is parallel to the positioning datum bar of the angle head, and then the tool bit positioning locking mechanism of the angle head is locked, so that calibration is completed.
The invention has the following beneficial effects:
according to the angle conversion tool bit tool shank positioning accuracy adjusting device, the tool shank of the angle head can be installed through the tool shank installing hole of the calibrating device, positioning of the tool shank is achieved, the angle positioning block can be clamped into the tool shank clamping groove of the angle head, and positioning of the axial position of the tool shank and positioning of the angle of the tool shank are achieved; the positioning pin can be matched with the positioning hole on the angle head to position the positioning bracket of the angle head, the angle head reference surface detection device is adopted to set the position capable of detecting the angle head reference surface, and when the angle head reference surface is parallel to the positioning reference strip of the angle head, the angle head is considered to be calibrated. The device can calibrate the angle head by only one operator, and the adjustment time is reduced to 0.17-0.3 hour each time from the previous 2-3 hours, so that the working efficiency is improved, and the labor intensity of workers is reduced. The method comprises the steps of carrying out a first treatment on the surface of the The mounting seat, the positioning pin and the angular positioning block can accurately position the angle head, so that the mounting state of the angle head is consistent with the mounting state in the machining center, and the accurate adjustment of the positioning precision of the cutter handle of the angle conversion cutter head can be realized. From the above, the angle head calibration device can calibrate the positioning reference and the angle of the tool bit to the mounting standard and the processing and using precision, except meeting the functional requirements, has simple and changeable structure, convenient and quick fixing, good manufacturability, convenient design and manufacture, and can calibrate and visualise the tool bit by the method detected by the calibration device, thereby improving the orientation precision and rigidity.
Drawings
Fig. 1 (a) is a longitudinal sectional view of the mount of the present invention, fig. 1 (b) is a top view of the angular positioning block of the present invention, fig. 1 (c) is a longitudinal sectional view of the angular positioning block of the present invention, and fig. 1 (d) is a schematic view of the entire structure of the mount of the present invention, the positioning pin and the angular positioning block after assembly.
Fig. 2 is a schematic structural view of the angle conversion tool bit shank positioning accuracy adjusting device after assembly.
Fig. 3 is a schematic diagram of a calibration method.
In the figure, a 1-mounting seat, a 1-1-calibrating device handle mounting hole, a 2-angle positioning block, a 3-positioning pin, a 4-sliding block, a 5-detection miniature linear guide rail, a 6-magnetometer frame, a 7-dial indicator, an 8-angle head, an 8-1-positioning hole, an 8-2-angle head datum plane and an 8-3-positioning bracket.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Referring to fig. 1 (a) -3, the angle conversion tool bit knife handle positioning precision adjusting device comprises a mounting seat 1, a positioning pin 3, an angle positioning block 2 and an angle head reference surface detecting device, wherein a calibrating device knife handle mounting hole 1-1 is formed in the mounting seat 1, the calibrating device knife handle mounting hole 1-1 is used for placing a knife handle of an angle head 8, and the size of the calibrating device knife handle mounting hole 1-1 is consistent with that of a machining center main shaft taper hole; the angle positioning block 2 is fixed at the central position inside the tool handle mounting hole 1-1 of the calibrating device, the angle positioning block 2 is used for being positioned in a matching way with a tool handle clamping groove of the angle head 8, and the angle of the angle positioning block 2 is consistent with the orientation angle of the main shaft of the machining center; the locating pin 3 is installed on the terminal surface of mount pad 1, and locating pin 3 is used for the adaptation location with locating hole 8-1 on angle head 8, and the angular position of locating pin 3 is unanimous with machining center main shaft locating pin angle, and angle head reference surface detection device sets up on the terminal surface of mount pad 1 for detect the position of angle head reference surface.
By using the angle conversion tool bit knife handle positioning precision adjusting device, the process of calibrating the angle head 8 is as follows:
placing the mounting seat 1 on a horizontal operation table top;
placing the angle head 8 to be calibrated on the angle conversion tool bit handle positioning precision adjusting device, and enabling a tool bit positioning locking mechanism of the angle head 8 to be in a loosening adjustment state; when the angle head 8 is placed, a cutter handle clamping groove of the angle head 8 is aligned with the angle positioning block 2, a positioning hole 8-1 on a positioning bracket of the angle head 8 is sleeved on the positioning pin 3, then the angle head 8 is dropped, a cutter handle of the angle head 8 is inserted into a cutter handle mounting hole 1-1 of the calibrating device, and meanwhile, the angle positioning block 2 is embedded into the cutter handle clamping groove of the angle head 8;
the position of the datum plane 8-2 of the angle head 8 is detected by the angle head datum plane detection device, the angle of the angle head 8 is adjusted according to the detection result until the position of the datum plane 8-2 is parallel to the positioning datum bar of the angle head 8, and then the tool bit positioning and locking mechanism of the angle head 8 is locked, so that calibration is completed.
According to the technical scheme, after the positioning precision adjusting device for the tri-tertiary angle conversion tool bit handle is applied, an operator only needs to take the angle head out of the manual installation area of the tool magazine and put the angle head on the positioning precision adjusting device for the angle conversion tool bit handle, the process can complete calibration only once, multiple persons do not need to cooperate, manual installation to a main shaft is not needed, multiple times of manual installation and disassembly on the main shaft are not needed, the waste of manpower and time is avoided, the labor intensity of workers is reduced, the adjustment time length is greatly reduced, and the accurate adjustment of the positioning precision of the angle conversion tool bit handle is realized.
Referring to fig. 1 (a), 1 (d) and 2, the tool handle mounting hole 1-1 of the calibrating device adopts a stepped hole, the tool handle mounting hole 1-1 of the calibrating device is in clearance fit with the tool handle of the angle head 8, and the fit clearance is the same as the fit grade of the tool handle and the mounting hole of the machining center.
As the preferred embodiment of the invention, the mounting seat 1 adopts a steel structure, so that the device has higher rigidity and strength, and can ensure the stability of the angle head position during calibration, thereby ensuring the calibration effect. The angle positioning block 2 is in clearance fit with the knife handle clamping groove on the angle head 8, and the fit clearance is the same as the fit grade of the knife handle clamping groove and the positioning block of the machining center. Referring to fig. 1 (b), 1 (c), 1 (d) and 2, the angular positioning block 2 has a cuboid structure, the end surface of the angular positioning block 2 is a curved surface identical to the inner surface of the tool shank inserting and calibrating device tool shank mounting hole 1-1, and the end surface of the angular positioning block 2 and the tool shank inserting and calibrating device tool shank mounting hole 1-1 can be fixed in a welding mode.
Preferably, a locating pin mounting hole for mounting the locating pin 3 is formed in the end face of the mounting seat 1, one end of the locating pin 3 is arranged in the locating pin mounting hole, and the locating pin 3 is in interference fit with the locating pin mounting hole, so that the stability of connection between the locating pin 3 and the mounting seat 1 is ensured, the position of the locating pin is not easy to change, and the calibration precision is further ensured; the other end of the locating pin 3 protrudes out of the end face of the mounting seat 1 and is in clearance fit with a locating hole 8-1 on the angle head 8, and the fit clearance is the same as the fit grade of the locating pin of the knife handle clamping groove and the machining center, and is convenient to assemble and disassemble between the angle head 8 and the locating pin due to clearance fit.
The number of the positioning pins 3 is the same as and corresponds to the number of the positioning holes 8-1 on the angle head 8 one by one, and is generally 3.
Referring to fig. 2 and 3, as a preferred embodiment of the present invention, the angle head reference surface detection device includes a guide rail slider mechanism and a dial indicator 7, where the guide rail may adopt a micro linear guide rail 5 with higher precision, the guide rail of the guide rail slider mechanism is disposed on the end surface of the mounting seat 1, the sliding direction of the slider 4 of the guide rail slider mechanism on the guide rail is parallel to the positioning reference bar of the angle head 8, the positioning reference bar is disposed on the positioning bracket of the angle head 8, the dial indicator 7 is connected with the slider 4 of the guide rail slider mechanism, and in general, a magnetic meter frame 6 is disposed on the slider 4, and the slider 4 is connected with the dial indicator 7 through the magnetic meter frame 6, so that the installation is convenient and reliable. When calibration is carried out, the pointer of the dial indicator 7 is contacted with the reference surface (8-2) of the angle head (8), the numerical value of the dial indicator 7 is observed in the sliding process of the sliding block 4 along the guide rail, after the numerical value of the dial is stable, the angle head (8) is calibrated, the reference surface (8-2) is parallel to the positioning reference bar of the angle head (8), the angle of the angle head (8) meets the requirement, and then the tool bit positioning and locking mechanism of the angle head (8) is locked, and the calibration is completed; if the numerical value of the dial plate has a change trend from large to small or from small to large, the reference surface (8-2) is not parallel to the positioning reference bar of the angle head (8), the angle of the angle head (8) is not in accordance with the requirement, then the rotation angle of the angle head (8) is adjusted, and the operation is repeated until the numerical value of the dial plate is stable, and then the calibration is completed.
According to the scheme, the positioning reference of the angle head and the angle of the tool bit can be simply and conveniently calibrated to the installation standard and the processing and use precision by combining the detection method of the calibrating device, and meanwhile, great potential safety hazards such as cutting injury of people and smash injury of parts are avoided.
Examples
The angle conversion tool bit handle positioning accuracy adjusting device comprises a mounting seat 1, a positioning pin 3, an angle positioning block 2 and a detection miniature linear guide rail 5. The stability of angle head when the mount pad 1 adopts steel structure to guarantee the calibration, and a calibrating device handle of a knife mounting hole 1-1 is processed at mount pad 1 center, and calibrating device handle of a knife mounting hole 1-1 must be unanimous with machining center main shaft taper hole size. The size of the angular positioning block 2 is designed according to the size of a knife handle clamping groove of the angle head 8, the angular positioning block 2 is fixed at the central position inside the knife handle mounting hole 1-1 of the calibrating device, and the angle of the angular positioning block 2 is consistent with the orientation angle of the main shaft of the machining center. The locating pin 3 is designed according to the depth and the angle of three locating holes 8-1 on a locating bracket 8-3 on an angle head 8, the locating pin 3 is fixed at the end face position of the mounting seat 1, and the angle position of the locating pin 3 is required to be consistent with the angle of the main shaft locating pin. The detecting micro linear guide rail 5 is arranged at the edge position of the end face of the mounting seat 1.
The application method of the angle conversion tool bit shank positioning accuracy adjusting device comprises the following steps:
the whole calibration device (especially the mounting seat 1) is placed on a stable and horizontal operation table surface during operation and use. Placing the angle head 8 to be calibrated on a calibrating device, ensuring that a tool bit positioning and locking mechanism of the angle head 8 is in a loosening and adjusting state, aligning a tool shank clamping groove of the angle head 8 with a positioning block 2 of the calibrating device, rotating a positioning bracket of the angle head 8, aligning positions of three positioning holes 8-1 of the positioning bracket of the angle head 8 with three positioning pins 3 of the calibrating device, after ensuring the positions, lowering the angle head 8 to be placed on the calibrating device, fixing a magnetic meter frame 6 on a sliding block 4 for detecting a micro linear guide rail 5, installing a dial meter 7 on the magnetic meter frame 6, adjusting the dial meter 7, pressing a pointer of the dial meter 7 on a reference surface 8-1 of the angle head 8, pushing the guide rail sliding block 4, reading the numerical value of the dial meter 7, adjusting the angle head 8 to be within a required tolerance range according to the real-time numerical value of the dial meter 7, and then fastening the tool bit positioning and locking mechanism. And (5) calibrating the positioning angle and the cutter head angle. When using the device, the operator must operate according to the correct operating procedure.
According to the scheme, the problems that the angle head is large in self weight, large in manual carrying risk and high in main shaft position, the operation difficulty of adjusting and calibrating on the main shaft is large, and meanwhile, the potential safety hazard is great are solved. After the calibration device is used for calibration, the safety aspect is ensured.
Claims (10)
1. The angle conversion tool bit tool shank positioning accuracy adjusting device is characterized by comprising a mounting seat (1), a positioning pin (3), an angle positioning block (2) and an angle head reference surface detecting device, wherein a calibrating device tool shank mounting hole (1-1) is formed in the mounting seat (1), the calibrating device tool shank mounting hole (1-1) is used for placing a tool shank of an angle head (8), and the size of the calibrating device tool shank mounting hole (1-1) is consistent with that of a machining center main shaft taper hole; the angle positioning block (2) is fixed at the central position inside the tool handle mounting hole (1-1) of the calibrating device, the angle positioning block (2) is used for being positioned in a matching way with a tool handle clamping groove of the angle head (8), and the angle of the angle positioning block (2) is consistent with the orientation angle of the main shaft of the machining center; the locating pin (3) is installed on the terminal surface of mount pad (1), and locating pin (3) are used for with locating hole (8-1) adaptation location on angle head (8), and the angular position of locating pin (3) is unanimous with machining center main shaft locating pin angle, and angle head reference surface detection device sets up on the terminal surface of mount pad (1) for detect the position of angle head reference surface.
2. The angle conversion tool bit shank positioning accuracy adjustment device according to claim 1, wherein the tool shank mounting hole (1-1) of the calibration device is a stepped hole, and the tool shanks of the tool shank mounting hole (1-1) of the calibration device and the angle head (8) are in clearance fit.
3. The device for adjusting the positioning accuracy of the cutter handle of the angle conversion cutter according to claim 1 or 2, wherein the mounting seat (1) is of a steel structure.
4. The device for adjusting the positioning accuracy of the cutter handle of the angle conversion cutter according to claim 1 is characterized in that the angle positioning block (2) is in clearance fit with the cutter handle clamping groove on the angle head (8).
5. The angle conversion tool bit shank positioning accuracy adjustment device according to claim 4, wherein the angle positioning block (2) is of a cuboid structure.
6. The positioning accuracy adjusting device for the angle conversion tool bit tool shank according to claim 1, wherein a positioning pin mounting hole for mounting a positioning pin (3) is formed in the end face of the mounting seat (1), one end of the positioning pin (3) is arranged in the positioning pin mounting hole, and the positioning pin (3) is in interference fit with the positioning pin mounting hole; the other end of the locating pin (3) protrudes out of the end face of the mounting seat (1) and is in clearance fit with a locating hole (8-1) on the angle head (8).
7. The angle conversion tool bit shank positioning accuracy adjustment device according to claim 1 or 6, wherein the number of the positioning pins (3) is 3.
8. The angle conversion tool bit handle positioning accuracy adjusting device according to claim 1, wherein the angle head reference surface detecting device comprises a guide rail sliding block mechanism and a dial indicator (7), a guide rail of the guide rail sliding block mechanism is arranged on the end surface of the mounting seat (1), the sliding direction of a sliding block (4) of the guide rail sliding block mechanism on the guide rail is parallel to a positioning reference bar of the angle head (8), the positioning reference bar is arranged on a positioning support of the angle head (8), and the dial indicator (7) is connected with the sliding block of the guide rail sliding block mechanism.
9. The angle conversion tool bit shank positioning accuracy adjustment device according to claim 8, wherein a guide rail of the guide rail slide block mechanism adopts a detection miniature linear guide rail (5);
the magnetic meter frame (6) is arranged on the sliding block (4), and the sliding block (4) is connected with the dial indicator (7) through the magnetic meter frame (6).
10. The method for adjusting the positioning accuracy of the cutter handle of the angle conversion cutter head is characterized by comprising the following steps of:
placing the mounting seat (1) on a horizontal operation table top;
placing an angle head (8) to be calibrated on the angle conversion tool bit handle positioning precision adjusting device, and enabling a tool bit positioning locking mechanism of the angle head (8) to be in a loosening adjustment state; when the angle head (8) is placed, a cutter handle clamping groove of the angle head (8) is aligned with the angle positioning block (2), a positioning hole (8-1) on a positioning bracket of the angle head (8) is sleeved on the positioning pin (3), then the angle head (8) is dropped, a cutter handle of the angle head (8) is inserted into a cutter handle mounting hole (1-1) of the calibrating device, and meanwhile, the angle positioning block (2) is embedded into the cutter handle clamping groove of the angle head (8);
the position of a reference surface (8-2) of the angle head (8) is detected by the angle head reference surface detection device, the angle of the angle head (8) is adjusted according to the detection result until the position of the reference surface (8-2) is parallel to a positioning reference bar of the angle head (8), and then a cutter head positioning and locking mechanism of the angle head (8) is locked, so that calibration is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310947804.1A CN116871929A (en) | 2023-07-28 | 2023-07-28 | Angle conversion tool bit shank positioning accuracy adjusting device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310947804.1A CN116871929A (en) | 2023-07-28 | 2023-07-28 | Angle conversion tool bit shank positioning accuracy adjusting device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116871929A true CN116871929A (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310947804.1A Pending CN116871929A (en) | 2023-07-28 | 2023-07-28 | Angle conversion tool bit shank positioning accuracy adjusting device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116871929A (en) |
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2023
- 2023-07-28 CN CN202310947804.1A patent/CN116871929A/en active Pending
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