CN112719951A - Machine tool laser compensation device for slender shaft machining and compensation method using same - Google Patents
Machine tool laser compensation device for slender shaft machining and compensation method using same Download PDFInfo
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- CN112719951A CN112719951A CN202110019013.3A CN202110019013A CN112719951A CN 112719951 A CN112719951 A CN 112719951A CN 202110019013 A CN202110019013 A CN 202110019013A CN 112719951 A CN112719951 A CN 112719951A
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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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
- B23Q1/76—Steadies; Rests
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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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
- B23Q17/2428—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring existing positions of tools or workpieces
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Abstract
A machine tool laser compensation device for slender shaft processing and a compensation method using the same are provided, wherein the device comprises a self-compensation center frame, a spring, a support rod, a lead screw and a motor; the self-compensation center frame is provided with a groove body which penetrates through the self-compensation center frame in the thickness direction, and the groove body is circular; the spring is sleeved on the support rod and positioned outside the self-compensation center frame, one end of the spring is connected with the support rod, the other end of the spring is connected to the self-compensation center frame, the support rod is arranged on the self-compensation center frame in a sliding mode, and the support rod is arranged along the axial direction of the groove body; the first end of bracing piece sets up towards the cell body center, is connected with the nut on the bracing piece second end, and the nut spiro union is connected on the lead screw, and the lead screw is connected with motor drive. The laser compensation device for the machine tool for machining the slender shaft can solve the problem that machining precision is influenced due to bending deformation of a workpiece when the slender shaft is machined by turning, has high response speed, and can perform accurate compensation and reset by using a reverse compensation method.
Description
Technical Field
The invention belongs to the technical field of machine tool machining, and particularly relates to a machine tool laser compensation device for slender shaft machining and a compensation method using the same.
Background
The slender shaft is common in industrial production, and in order to process the slender shaft and meet the requirements of subsequent production, the slender shaft is usually required to be arranged on a machine tool, and the slender shaft is turned by the machine tool.
Due to the poor rigidity of the slender shaft, when the slender shaft is turned by a machine tool, the slender shaft can be bent under the comprehensive action of the gravity of the slender shaft, the cutting force of a turning tool and the high-speed rotating centrifugal force, and the turning precision of a workpiece is influenced.
The deformation mode and direction of the slender shaft are complex and difficult to control due to the system excitation generated by the workpiece during processing, the gravity of the slender shaft, the cutting force of the turning tool and the high-speed rotating centrifugal force.
Therefore, when the slender shaft rotates at a high speed, the slender shaft is subjected to centrifugal force and turning force during turning, so that the slender shaft is easy to generate bending deformation, the more serious the bending condition is, the larger the vibration generated during turning is, and the surface precision is difficult to effectively ensure.
Meanwhile, a great amount of heat is generated during turning, and since the generated heat is difficult to be diffused and the expansion degree of the wire is great, the bending deformation phenomenon is very easy to occur even if the two end tops of the slender shaft are very tight.
The bending deformation of the slender shaft can reduce the precision of the workpiece processing process, seriously affect the subsequent production of the workpiece and even cause the whole workpiece to be wasted.
Disclosure of Invention
The invention aims to provide a machine tool laser compensation device for slender shaft machining, which has a simple structure and a good using effect, and a compensation method using the device.
In order to solve the technical problems, the invention provides the following technical scheme: the laser compensation device of the machine tool for processing the slender shaft comprises a self-compensation center frame, a spring, a support rod, a lead screw and a motor; the self-compensation center frame is provided with a groove body which penetrates through the self-compensation center frame in the thickness direction, and the groove body is circular; the spring is sleeved on the support rod and positioned outside the self-compensation center frame, one end of the spring is connected with the support rod, the other end of the spring is connected to the self-compensation center frame, the support rod is arranged on the self-compensation center frame in a sliding mode and is arranged along the diameter direction of the groove body; the first end of bracing piece sets up towards the cell body center, is connected with the nut on the bracing piece second end, and the nut spiro union is connected on the lead screw, and the lead screw is connected with motor drive.
The first end of the supporting rod is rotatably provided with a supporting wheel.
Be equipped with laser emitter on the bracing piece, laser emitter sets up towards the rear.
A detection frame is arranged behind the self-compensation center frame, a laser receiving part and a control unit are arranged on the detection frame, the laser receiving part is arranged on the stress light emitter, and the signal output end of the laser receiving part is connected with the control unit.
The laser receiving part is a light intensity detection sensor, the control unit comprises a processor and a motor driving circuit, the signal output end of the light intensity detection sensor is connected with the signal input end of the processor, the signal output end of the processor is connected with the motor driving circuit, and the motor driving circuit drives the motor to act.
The supporting rod is provided with a mounting plate fixed with a spring, and the spring is positioned between the mounting plate and the self-compensation center frame; the cross section of the self-compensation center frame is circular, and the self-compensation center frame is fixedly arranged on the machine tool.
The self-compensation center frame is provided with a limiter matched with the spring, and the signal output end of the limiter is connected with the processor.
The limiting device comprises an upper limiting plate, a lower limiting plate and two limiting switches, wherein the upper limiting plate and the lower limiting plate are sequentially arranged towards the direction of the self-compensating center frame, and the two limiting switches are respectively arranged on the lower surface of the upper limiting plate and the upper surface of the lower limiting plate; the signal output end of the limit switch is connected with the processor.
The compensation method for the machine tool for processing the slender shaft by using the device sequentially comprises the following steps: (1) clamping the workpiece between the support rods, and adjusting the support rods, wherein the central extension lines of the support rods are superposed with the axial central line of the workpiece; (2) starting to work, the laser receiving part sends out a laser signal, and the workpiece starts to be turned; (3) the workpiece is shifted to drive the supporting rods to move on the self-compensation center frame, springs on the supporting rods are stretched or compressed, whether the mounting plate touches a limit switch on the upper limit plate or the lower limit plate or not is judged, if not, the step (3) is repeated, and if yes, the step (4) is carried out; (4) the processor receives the light intensity signal received by the light intensity detection sensor, and outputs a signal to drive the motor according to the light intensity signal received by the light intensity detection sensor, the motor drives the lead screw to rotate, the lead screw drives the supporting rod to move, and the supporting rod pushes the workpiece to reset.
In the step (4), the method for outputting the signal to drive the motor by the processor according to the received light intensity signal comprises the following steps: at the initial position, the circle center of the circle where the laser emitted by each support rod is positioned is M0(X0，Y0) The radius is R;
the support rods are respectively a first support rod, a second support rod and a third support rod,
the first support bar is at the initial position (X)0+R，Y0)；
Initial position of the second support rod
Third support barInitial position
When the center of the circle where the laser emitted by each support rod is positioned deviates to M1(X1，Y1) When the temperature of the water is higher than the set temperature,
the first support bar position (X)1+R，Y1) Position of the first supporting rod
Position of the first supporting rod
The lead screw connected with the first support rod rotates, so that the reverse offset of the first support rod is as follows:
the lead screw connected with the second support rod rotates, so that the reverse offset of the second support rod is as follows:
the lead screw connected with the second support rod rotates, so that the reverse offset of the second support rod is as follows:
through the technical scheme, the invention has the beneficial effects that:
(1) the device can solve the problem that the machining precision is influenced because the workpiece is bent and deformed when the slender shaft is turned; the use effect is good, the precision is high, and the response speed is fast.
(2) The device can damp the deformation of the workpiece, and prevent the workpiece from deforming to a certain extent.
(3) The device can support the workpiece, prevent the middle part of the workpiece from deforming and improve the turning precision of the workpiece.
(4) The method can realize the resetting of the workpiece on the machine tool, prevent the workpiece from generating larger deformation, ensure the processing precision of the workpiece and have high response speed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a left side view of FIG. 1;
FIG. 5 is a schematic view of a self-compensating steady rest configuration;
FIG. 6 is a perspective view of a self-compensating center frame;
fig. 7 is a schematic diagram of a processor circuit.
Detailed Description
A machine tool laser compensation device for slender shaft machining is shown in figures 1-7 and comprises a self-compensation center frame 2, wherein the self-compensation center frame 2 is fixedly arranged on a machine tool 1. The positions of the self-compensating center frame 2 fixed on the machine tool 1 are as follows: is positioned on the center of the machine tool 1 in the length direction, and ensures that a workpiece can pass through the self-compensating center frame 2 when the workpiece is on the machine tool 1.
The cross section of the self-compensation center frame 2 is circular, a groove body 3 which penetrates through the self-compensation center frame 2 in the thickness direction is arranged on the self-compensation center frame 2, the groove body 3 is circular, and the round points of the groove body 3 are overlapped with the round points of the self-compensation center frame 2.
A supporting rod 8 is arranged on the self-compensation center frame 2 in a sliding mode, the supporting rod 8 penetrates through the self-compensation center frame 2 and is arranged towards the center of the groove body 3, and the sliding direction of the supporting rod 8 is overlapped with the axial diameter direction of the groove body 3.
In this embodiment, the number of the support rods 8 is 3, and the 3 support rods 8 are uniformly distributed on the self-compensation center frame 2, so that the workpiece is stably supported.
The first end of bracing piece 8 is located the cell body 3 of self compensating centre frame 2, rotates on the first end of bracing piece 8 and is equipped with supporting wheel 9 to the contact of work piece and bracing piece 8 is the work piece and the contact of supporting wheel 9 substantially, and when the work piece turned round on bracing piece 8, supporting wheel 9 rotated on bracing piece 8, has reduced the frictional force that the work piece received.
The second end of the supporting rod 8 is connected with a lead screw 6, the lead screw 6 is a ball screw 6, and the lead screw 6 rotates to drive the supporting rod 8 to move on the self-compensation center frame 2. Wherein, the mode of connection of bracing piece 8 and self compensating centre frame 2 is: the lead screw 6 is connected with a nut in a threaded manner, the nut is connected with the supporting rod 8, and meanwhile, the lead screw 6 is in transmission connection with the motor 5.
The motor 5 drives the screw rod 6 to rotate, the nut moves on the screw rod 6, and the support rod 8 is driven to move on the self-compensation center frame 2.
The supporting rod 8 is sleeved with a spring 11, the spring 11 is positioned outside the self-compensation center frame 2, one end of the spring 11 is connected with the supporting rod 8, and the other end of the spring 11 is connected to the self-compensation center frame 2. In order to realize the connection between the support rod 8 and the spring 11, an installation plate 10 is arranged on the support rod 8 and positioned outside the self-compensation center frame 2, the spring 11 is positioned between the installation plate 10 and the self-compensation center frame 2, and the spring 11 and the installation plate 10 are fixedly connected.
The supporting rod 8 is provided with a laser emitter 4, and the laser emitter 4 is arranged towards the rear of the self-compensation center frame 2. A detection frame 7 is arranged behind the self-compensation center frame 2, a laser receiving portion and a control unit are arranged on the detection frame 7, the laser receiving portion is arranged corresponding to the laser emitter 4, and a signal output end of the laser receiving portion is connected with the control unit.
As shown in fig. 7, the control unit includes a processor and a motor driving circuit, and the laser receiving part is a light intensity detection sensor U2 (model number GY-30).
The processor comprises a single chip microcomputer U1, and a reset circuit, a clock circuit and a power circuit are connected to the single chip microcomputer U1, wherein the reset circuit, the clock circuit and the power circuit are the minimum system of the single chip microcomputer U1, and details are not repeated in this embodiment.
The signal output end of the light intensity detection sensor U2 is connected with the signal input end of the singlechip U1, the signal output end of the singlechip U1 is connected with the motor driving circuit, and the motor driving circuit drives the motor 5 to act.
In this embodiment, the quantity of light intensity detecting sensor U2 is a plurality of, wherein 1 is central light intensity detecting sensor U2, when the work piece was in initial position, what can receive laser signal was central light intensity detecting sensor U2, remaining light intensity detecting sensor U2 was center evenly distributed around central light intensity sensor, each light intensity detecting sensor U2 is different from central light intensity detecting sensor U2's distance, can be according to the signal that different light intensity detecting sensor U2 received like this, draw the offset of work piece.
If the light intensity detection sensor U2, which is 1mm from the central light intensity detection sensor U2, receives the laser light emitted from the laser emitter 4, the relative offset of the workpiece on the relative support bar 8 is 1 mm.
The motor driving circuit comprises a motor driving chip U3 (model is L298N), a signal input end of the motor driving chip U3 is connected with a signal output end of the single chip microcomputer U1, and a first diode D1, a second diode D2, a third diode D3 and a fourth diode D4 are connected to a signal output end of the motor driving chip U3. A first signal output end of the motor driving chip U3 is connected with an anode of the first diode D1, meanwhile, a first signal output end of the motor driving chip U3 is also connected with a forward power supply end of the motor 5, a cathode of the first diode D1 is connected with a direct current power supply, a cathode of the third diode D3 is connected with an anode of the first diode D1, and an anode of the third diode D3 is grounded; a second signal output end of the motor driving chip U3 is connected to a negative power supply end of the motor 5, and meanwhile, a second signal output end of the motor driving chip U3 is connected to an anode of a second diode D2, and a cathode of the second diode D2 is connected to a direct-current power supply; the cathode of the fourth diode D4 is connected to the anode of the second diode D2, and the anode of the fourth diode D4 is grounded.
A limiter is arranged on the self-compensation center frame 2 in a matched mode with the spring 11 and located on the outer side of the self-compensation center frame 2, and the signal output end of the limiter is connected with the single chip microcomputer U1. The limiter comprises an upper limiting plate 12, a lower limiting plate 13 and two limiting switches U4 (model azd 1050). The upper limiting plate 12 and the lower limiting plate 13 are both matched with the spring 11, and the upper limiting plate 12 and the lower limiting plate 13 are sequentially arranged towards the center of the self-compensation center frame 2 along the diameter direction of the self-compensation center frame 2. The two limit switches U4 are respectively arranged on the lower surface of the upper limit plate 12 and the upper surface of the lower limit plate 13; two signal output ends of the limit switch U4 are respectively connected with two signal input ends of the singlechip U1, meanwhile, two signal output ends of the limit switch U4 are respectively connected with a pull-up resistor, and a signal output end of the limit switch U4 is connected with a direct-current power supply through the pull-up resistor. In this embodiment, the purpose of stopper is the relative offset of control bracing piece, can adjust the precision of processing, and the motor action then exceeds the scope, otherwise can adjust the relative offset of bracing piece by oneself through the spring.
The working process is as follows: the self-compensation center frame 2 and the detection frame 7 are connected to the machine tool 1, and the self-compensation center frame 2 and the detection frame 7 are sequentially arranged along the length direction of the machine tool 1. When turning the slender shaft, the workpiece is clamped by the 3 support rods 8 of the self-compensation center frame 2, and the positions of the 3 support rods 8 are adjusted before working, so that the workpiece is in a set position on the machine tool 1.
When the device is powered on, the machine tool 1 starts to turn the workpiece, and during the turning process, when the workpiece has a movement tendency, the spring 11 on the support rod 8 can generate a resistance force to slightly prevent the workpiece from deforming or shifting.
When the workpiece continues to shift, if the supporting rod 8 is far away from the center of the groove body 3, the spring 11 is stretched, and when the mounting plate 10 on the supporting rod 8 contacts the limit switch U4 on the upper limit plate 12, the limit switch U4 outputs a signal to the singlechip U1; meanwhile, the laser emitter 4 emits a laser signal, and the light intensity detection sensor U2 detects the light signal emitted by the laser, and obtains the offset of the workpiece according to the received light signal.
The single chip microcomputer U1 outputs signals to the motor driving circuit, and the motor driving circuit drives the motor 5 to rotate for setting the number of turns, so that the workpiece is reset, and the turned slender shaft workpiece is more precise and convenient.
The laser compensation device for the machine tool for machining the slender shaft can solve the problem that machining precision is influenced due to bending deformation of a workpiece when the slender shaft is machined by turning, has high response speed, and can perform accurate compensation and reset by using a reverse compensation method.
The compensation method for the machine tool for processing the slender shaft by using the device sequentially comprises the following steps: (1) clamping the workpiece between the support rods 8, adjusting the support rods 8, and enabling the central extension lines of the support rods 8 to be superposed with the axial central line of the workpiece; (2) starting to work, the laser receiving part sends out a laser signal, and the workpiece starts to be turned; (3) the workpiece is shifted to drive the supporting rods 8 to move on the self-compensation center frame 2, the springs 11 on the supporting rods 8 are stretched or compressed, whether the mounting plate 10 touches the limit switches U4 on the upper limit plate 12 or the lower limit plate 13 or not is judged, if not, the step (3) is repeated, and if yes, the step (4) is carried out; (4) the processor receives the light intensity signal received by the light intensity detection sensor U2, and outputs a signal to drive the motor according to the light intensity signal received by the light intensity detection sensor U2, the motor drives the lead screw 6 to rotate, the lead screw 6 drives the supporting rod 8 to move, and the supporting rod 8 pushes the workpiece to reset.
In the step (4), the method for outputting the signal to drive the motor by the processor according to the received light intensity signal comprises the following steps: at the initial position, the center of the circle where the laser emitted by each support rod 8 is located is M0(X0，Y0) The radius is R;
the support rods 8 are respectively a first support rod 8, a second support rod 8 and a third support rod 8,
the first support bar 8 is at the initial position (X)0+R，Y0)；
Initial position of the second support bar 8
Initial position of the third support bar 8
When the center of the circle of the laser emitted by each support rod 8 deviates to M1(X1，Y1) When the temperature of the water is higher than the set temperature,
the first support bar 8 position (X)1+R，Y1) Position of the first support bar 8
First branchStrut 8 position
The lead screw 6 connected to the first support rod 8 rotates, so that the reverse offset of the first support rod 8 is:
the lead screw 6 connected to the second support rod 8 rotates, so that the reverse offset of the second support rod 8 is:
the lead screw 6 connected to the second support rod 8 rotates, so that the reverse offset of the second support rod 8 is:
the method can effectively prevent the workpiece from deforming in the turning process, improves the machining precision of the workpiece, uses a closed-loop feedback system, and achieves the characteristics of high precision and high response speed.
Claims (10)
1. Machine tool laser compensation device is used in slender axles processing, its characterized in that: comprises a self-compensation center frame, a spring, a support rod, a lead screw and a motor; the self-compensation center frame is provided with a groove body which penetrates through the self-compensation center frame in the thickness direction, and the groove body is circular; the spring is sleeved on the support rod and positioned outside the self-compensation center frame, one end of the spring is connected with the support rod, the other end of the spring is connected to the self-compensation center frame, the support rod is arranged on the self-compensation center frame in a sliding mode and is arranged along the axial direction of the groove body; the first end of bracing piece sets up towards the cell body center, is connected with the nut on the bracing piece second end, and the nut spiro union is connected on the lead screw, and the lead screw is connected with motor drive.
2. The laser compensation device of a machine tool for machining an elongated shaft according to claim 1, wherein: the first end of the supporting rod is rotatably provided with a supporting wheel.
3. The laser compensation device of a machine tool for machining an elongated shaft according to claim 2, wherein: be equipped with laser emitter on the bracing piece, laser emitter sets up towards the rear.
4. A machine tool laser compensation device for slender shaft processing according to claim 3, wherein: a detection frame is arranged behind the self-compensation center frame, a laser receiving part and a control unit are arranged on the detection frame, the laser receiving part is arranged on the stress light emitter, and the signal output end of the laser receiving part is connected with the control unit.
5. The laser compensation device of a machine tool for machining an elongated shaft according to claim 4, wherein: the laser receiving part is a light intensity detection sensor, the control unit comprises a processor and a motor driving circuit, the signal output end of the light intensity detection sensor is connected with the signal input end of the processor, the signal output end of the processor is connected with the motor driving circuit, and the motor driving circuit drives the motor to act.
6. The laser compensation device of a machine tool for machining an elongated shaft according to any one of claims 1 to 5, wherein: the supporting rod is provided with a mounting plate fixed with a spring, and the spring is positioned between the mounting plate and the self-compensation center frame; the cross section of the self-compensation center frame is circular, and the self-compensation center frame is fixedly arranged on the machine tool.
7. The laser compensation device of a machine tool for machining an elongated shaft according to claim 6, wherein: the self-compensation center frame is provided with a limiter matched with the spring, and the signal output end of the limiter is connected with the processor.
8. A machine tool laser compensation device for slender shaft processing according to claim 7, wherein: the limiting device comprises an upper limiting plate, a lower limiting plate and two limiting switches, wherein the upper limiting plate and the lower limiting plate are sequentially arranged towards the direction of the self-compensating center frame, and the two limiting switches are respectively arranged on the lower surface of the upper limiting plate and the upper surface of the lower limiting plate; the signal output end of the limit switch is connected with the processor.
9. A compensation method of a machine tool for slender shaft processing using the apparatus according to claim 8, wherein: the method comprises the following steps in sequence: (1) clamping the workpiece between the support rods, and adjusting the support rods, wherein the central extension lines of the support rods are superposed with the axial central line of the workpiece; (2) starting to work, the laser receiving part sends out a laser signal, and the workpiece starts to be turned; (3) the workpiece is shifted to drive the supporting rods to move on the self-compensation center frame, springs on the supporting rods are stretched or compressed, whether the mounting plate touches a limit switch on the upper limit plate or the lower limit plate or not is judged, if not, the step (3) is repeated, and if yes, the step (4) is carried out; (4) the processor receives the light intensity signal received by the light intensity detection sensor, and outputs a signal to drive the motor according to the light intensity signal received by the light intensity detection sensor, the motor drives the lead screw to rotate, the lead screw drives the supporting rod to move, and the supporting rod pushes the workpiece to reset.
10. A compensation method of a machine tool for machining an elongated shaft according to claim 9, wherein: in the step (4), the method for outputting the signal to drive the motor by the processor according to the received light intensity signal comprises the following steps: at the initial position, the circle center of the circle where the laser emitted by each support rod is positioned is M0(X0，Y0) The radius is R;
the support rods are respectively a first support rod, a second support rod and a third support rod,
the first support bar is at the initial position (X)0+R，Y0)；
Initial position of the second support rod
Initial position of the third support bar
When the center of the circle where the laser emitted by each support rod is positioned deviates to M1(X1，Y1) When the temperature of the water is higher than the set temperature,
the first support bar position (X)1+R，Y1) Position of the first supporting rod
Position of the first supporting rod
The lead screw connected with the first support rod rotates, so that the reverse offset of the first support rod is as follows:
the lead screw connected with the second support rod rotates, so that the reverse offset of the second support rod is as follows:
the lead screw connected with the second support rod rotates, so that the reverse offset of the second support rod is as follows:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110019013.3A CN112719951A (en) | 2021-01-07 | 2021-01-07 | Machine tool laser compensation device for slender shaft machining and compensation method using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110019013.3A CN112719951A (en) | 2021-01-07 | 2021-01-07 | Machine tool laser compensation device for slender shaft machining and compensation method using same |
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| CN112719951A true CN112719951A (en) | 2021-04-30 |
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| CN202110019013.3A Withdrawn CN112719951A (en) | 2021-01-07 | 2021-01-07 | Machine tool laser compensation device for slender shaft machining and compensation method using same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114633126A (en) * | 2022-05-19 | 2022-06-17 | 四川仨川航空科技股份有限公司 | Center frame device for machining aircraft landing gear and clamping method thereof |
-
2021
- 2021-01-07 CN CN202110019013.3A patent/CN112719951A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114633126A (en) * | 2022-05-19 | 2022-06-17 | 四川仨川航空科技股份有限公司 | Center frame device for machining aircraft landing gear and clamping method thereof |
| CN114633126B (en) * | 2022-05-19 | 2022-08-09 | 四川仨川航空科技股份有限公司 | Center frame device for machining aircraft landing gear and clamping method thereof |
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Application publication date: 20210430 |