CN117943841B - Light curing and milling composite processing equipment and method for complex special-shaped ceramic parts - Google Patents
Light curing and milling composite processing equipment and method for complex special-shaped ceramic parts Download PDFInfo
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- 238000003801 milling Methods 0.000 title claims abstract description 99
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- 239000000919 ceramic Substances 0.000 title claims abstract description 23
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Abstract
The invention provides a light curing and milling composite processing device and method for complex special-shaped ceramic parts, and relates to the field of composite processing of materials, wherein the device comprises a shielding device, a servo system, a light curing system and a milling system; the milling system comprises a milling device and a milling guide rail, and the curing system comprises a light source system, a slurry tank, a workbench, a Z-axis polished rod of the workbench, a Z-axis ball screw of the workbench and a Z-axis sliding block of the workbench; the servo system comprises a servo motor, a lead screw guide rail and a motor supporting slide block; the milling device comprises an electric spindle, a milling cutter, an electric spindle clamp, an X-axis base, an X-axis driving motor, a Y-axis base, a Y-axis driving motor, a Z-axis polished rod, a Z-axis light pipe, a Z-axis ball screw, a Z-axis threaded pipe, a driving shell, a driving motor, a driving gear and a transmission shaft. The invention adopts a method combining photocuring and milling, so that the product can be switched back and forth between two systems, and the processed product has the advantages of traditional material reduction and material increase manufacture.
Description
Technical Field
The invention relates to the field of composite machining of materials, in particular to a light curing and milling composite machining device and method for a complex special-shaped ceramic part.
Background
With the development of mechanical design and manufacturing technology, materials with more and more complex shapes and difficult processing of mechanical structural parts are more and more widely applied, and the traditional mechanical processing and additive manufacturing process methods face great challenges, so that the problem cannot be well solved by simply applying one processing method, and therefore, a mixed processing solution is generated. Hybrid machining refers to the use of different machining mechanisms to complete the machining process of a part, such as additive manufacturing and cutting machining mixing, electrical machining and ultrasonic machining mixing, and the like. The mixed machining process obviously improves the machinability of difficult-to-machine materials through the complementary advantages of different machining methods, reduces the abrasion of milling cutters, simplifies the machining process, plays a positive role in machining complex structural parts, opens up a new idea for developing new products, and greatly promotes design innovation and process innovation.
Additive composite manufacturing (HASM) is a technique that combines traditional numerical control techniques (CNC) with additive manufacturing techniques (AM). The technology combines the advantages of the traditional additive manufacturing technology and the traditional numerical control technology, wherein the additive manufacturing technology plays a key role in machining geometrically complex parts, and the precision and appearance quality of the complex parts produced by simply adopting the additive manufacturing technology are poor. The traditional numerical control technology has the advantages of complicated processing technology for processing parts with complex structures and more waste materials, but has the advantages of high precision and good appearance quality, so that the two processing technologies can just compensate each other, and the processing defects of each other are reduced or even removed through compound processing. The composite processing technology of the materials is combined with the two materials to form a comprehensive processing technology with high precision, high intelligence and strong structural processability. At present, the technology has paid attention to a plurality of domestic scholars, and meanwhile, the comprehensive process technology is widely applied to manufacturing complex mechanical structures, and has wide prospect. However, there is no mature processing equipment in the prior art, and most of the processing equipment only relates to one processing mode, so that research on a composite processing equipment capable of being applied to complex special-shaped ceramic parts is needed.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a light curing and milling composite processing device and method for complex special-shaped ceramic parts, which can combine the traditional numerical control technology with the additive manufacturing technology and provide a brand new composite processing device.
Specifically, the light curing and milling composite processing equipment for the complex special-shaped ceramic parts comprises a milling system, a shielding device, a light curing system and a servo system;
The milling system comprises a milling device and a milling guide rail, the milling guide rail comprises a circular guide rail and an arc guide rail, the outer side walls of the circular guide rail and the arc guide rail are both provided with external tooth profiles, the end parts of the arc guide rail are fixedly connected to the upper surface of the circular guide rail through welding, and the milling device is meshed with the arc guide rail and the circular guide rail through gears and can slide along the arc guide rail and the circular guide rail; the shielding device is arranged between the milling system and the light curing system;
The shielding device comprises a first shielding plate and a second shielding plate, the first shielding plate and the second shielding plate are arranged oppositely, an arc-shaped groove is formed in the upper surfaces of the inner sides of the first shielding plate and the second shielding plate, and a circular guide rail is placed in the arc-shaped groove;
The photocuring system comprises a light source system, a slurry tank, a workbench Z-axis polished rod, a workbench Z-axis ball screw and a workbench Z-axis sliding block; the workbench has rotational displacement of an X axis, and the Z-axis polished rod of the workbench has movement displacement of a Z axis; the first ends of the workbench Z-axis polished rod and the workbench Z-axis sliding block are arranged on the light source system, the second ends of the two workbench Z-axis polished rods are connected with the lower surface of the first shielding plate, the second ends of the two workbench Z-axis polished rods and the workbench Z-axis ball screw are respectively connected with the lower surface of the second shielding plate, the slurry tank is arranged above the light source system, and the workbench is arranged above the slurry tank;
The servo system comprises a servo motor, a lead screw guide rail and a motor supporting slide block; the servo motor is arranged at the tail end of the extending direction of the lead screw guide rail; the screw guide rail passes through the workbench, the two ends of the screw guide rail are respectively connected with the motor support slide block and the Z-axis slide block of the workbench, and the motor support slide block and the Z-axis slide block of the workbench are both in threaded connection with the screw guide rail;
The milling device comprises an electric spindle, a milling cutter, an electric spindle clamp, an X-axis base, an X-axis driving motor, a Y-axis base, a Y-axis driving motor, a Z-axis polished rod, a Z-axis light pipe, a Z-axis ball screw, a Z-axis threaded pipe, a Z-axis driving motor, a driving shell, a driving motor, a driving gear and a transmission shaft, wherein the Z-axis ball screw is arranged in the Z-axis threaded pipe, the milling device is enabled to realize axial movement in space by driving the rotation of the Z-axis ball screw, the Z-axis polished rod is arranged in the Z-axis light pipe, the driving shell is arranged outside the arc-shaped guide rail, the driving motor, the driving gear and the transmission shaft are all arranged inside the driving shell, the driving gear is meshed with the outer tooth profiles of the circular guide rail and the arc-shaped guide rail respectively, the electric spindle clamp is arranged outside the electric spindle and used for clamping and fixing the electric spindle, one end of the electric spindle is connected with the milling cutter, and the milling is driven to rotate.
Preferably, the bottom of the slurry tank is provided with a heating plate.
Preferably, the arc-shaped guide rail is semicircular and is provided with two guide rails.
Preferably, the inner sides of the first shielding plate and the second shielding plate are provided with grooves.
Preferably, the photo-curing system is provided with an X-axis axial rotary motor.
On the other hand, the invention also provides a processing method of the light curing and milling composite processing equipment for the complex special-shaped ceramic parts, which comprises the following steps:
S1, setting servo system parameters, wherein the servo system parameters comprise the motion parameters of a workbench, and the motion path and the motion rate of a milling cutter;
S2, starting to work, heating a heating plate, driving a workbench Z-axis ball screw to move to a position m+1 set layer thickness distances from the bottom of a slurry tank by a servo motor, wherein m is the number of cured layers, starting to work by a light source system, curing a photosensitive resin layer above the workbench, forming a first layer of a green body, then floating a certain distance, and repeating the steps to finish a printing process;
and S3, calculating the error precision of the printed green body according to a compensation method, driving a Z-axis ball screw and an X-axis axial rotating motor of the workbench to enable the workbench to move upwards to a designated position below a milling system, and enabling the milling system to start milling the printed product.
Preferably, the calculating the precision of the printed green error by using the compensation method in the step S3 specifically includes the following substeps:
S31, performing error analysis on the composite processing equipment, wherein the error analysis comprises a system error and a random error of the composite processing equipment;
S32, carrying out error analysis on the product to be processed, wherein the error analysis comprises the influence of the shape, the size, the temperature and the pressure of the product to be processed on the error of the product to be processed;
S33, respectively carrying out quantitative calculation on errors of the compound processing equipment and the product to be processed by a Bessel method, wherein the mathematical expression is as follows:
；
wherein sigma is the standard deviation of the measured error samples, X i is the measured ith error sample, mu is the measured sample error mean value, and n is the number of samples;
and S34, compensating the result according to the error analysis result of the composite processing equipment and the product to be processed in a way that the modified actual basic size is equal to the sum of the basic size and the last standard deviation of the composite processing equipment and the product to be processed, and outputting the modified actual basic size as the green body error precision.
Compared with the prior art, the invention has the following beneficial technical effects:
(1) According to the invention, a machining method combining photocuring and milling is adopted, and a workbench is utilized to drive a Z-axis rotary servo system and an X-axis rotary servo system, so that a product can be switched back and forth between the two systems and can do reciprocating motion, and the machined ceramic product is faster than the traditional material reduction process, has less material consumption, higher precision than the additive manufacturing technology and good appearance quality.
(2) The processing equipment and the processing method can be applied to products requiring high appearance quality, and can process ceramic parts with high-precision inner holes and complex structures, so that the processing precision of special-shaped ceramic products is ensured.
(3) The key parts of the invention are connected by bolts, which is convenient to detach, maintain and replace, and synchronous driving is adopted for driving with high requirement on position precision so as to ensure precision and stability.
(4) The milling cutter disclosed by the invention adopts a mode of adopting hole shaft matching through hydraulic or pneumatic pressure to ensure stability during Z-axis driving, reduces inertia, improves the upper limit of driving speed and ensures machining efficiency.
(5) According to the milling device, the circular guide rail and the arc guide rail are arranged, the driving gear of the milling device is meshed with the outer tooth profiles of the circular guide rail and the arc guide rail respectively, so that the milling precision can be better ensured, and meanwhile, the light curing system and the milling device are combined together by the circular guide rail, the arc guide rail and the shielding device, so that the whole compound processing equipment is more convenient to use, and the working precision is greatly improved.
Drawings
FIG. 1 is a schematic view of the external structure of a light curing and milling composite processing device for complex shaped ceramic parts according to the present invention;
FIG. 2 is a second schematic view of the external structure of the light curing and milling composite processing device for complex shaped ceramic parts according to the present invention;
FIG. 3 is one of the schematic diagrams of the milling system of the present invention;
FIG. 4 is a second schematic diagram of the milling system of the present invention;
FIG. 5 is a schematic view of a shielding device according to the present invention;
FIG. 6 is a second schematic view of the shielding device of the present invention;
fig. 7 is a schematic structural view of a circular guide rail and an arc guide rail of a composite processing apparatus using the present invention.
The main reference numerals:
1. A milling system; 2. milling the guide rail; 21. a circular guide rail; 22. an arc-shaped guide rail; 3. a shielding device; 31. a first shielding plate; 32. a second shielding plate; 4. z-axis ball screw of workbench; 5. z-axis sliding blocks of the workbench; 6. a slurry tank; 7. z-axis polished rod of workbench; 8. a motor supporting slide block; 9. a work table; 10. a light source system; 11. a drive housing; 12. a Z-axis ball screw; 13. a Z-axis threaded pipe; 14. an X-axis base; 15. a Y-axis base; 16. an electric spindle clamp; 17. a Z-axis driving motor; 18. a driving motor; 19. a Z-axis light pipe; 110. a Z-axis polished rod; 111. an X-axis driving motor; 112. an electric spindle; 113. a milling cutter; 114. a drive gear; 115. a transmission shaft; 301. an arc-shaped groove; 302. a groove.
Detailed Description
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
Specifically, the invention provides a light curing and milling composite processing device for complex special-shaped ceramic parts, which comprises a milling system 1, a shielding device 3, a servo system and a light curing system as shown in fig. 1 to 7.
The milling system 1 comprises a milling device and a milling guide rail 2, the milling guide rail 2 comprises a circular guide rail 21 and an arc guide rail 22, the outer side walls of the circular guide rail 21 and the arc guide rail 22 are respectively provided with an external tooth profile, the end part of the arc guide rail 22 is fixedly connected to the upper surface of the circular guide rail through welding, and the milling device is meshed with the arc guide rail 22 and the circular guide rail 21 through gears and can slide along the arc guide rail 22 and the circular guide rail 21. The shielding means are arranged between the milling system 1 and the photo curing system. As shown in fig. 5 and 6, the shielding device 3 includes a first shielding plate 31 and a second shielding plate 32, the first shielding plate 31 and the second shielding plate 32 are disposed opposite to each other, an arc-shaped groove 301 is formed on the inner upper surfaces of the first shielding plate 31 and the second shielding plate 32, and the circular guide rail 21 is disposed in the arc-shaped groove 301. Fig. 5 shows a schematic view of the first shielding plate 31 separated from the second shielding plate 32, and fig. 6 shows a schematic view of the first shielding plate 31 and the second shielding plate 32 after they are spliced together. In a specific application, as shown in fig. 7, the arcuate guide rails 22 are arranged in a semicircle and two are provided. The circular guide rail 21 is used as a carrier of the Z-axis rotation freedom degree, the semicircular arc guide rail is connected with the circular guide rail 21, the Z-axis rotation freedom degree is provided for the semicircular arc guide rail, the milling system 1 is meshed with the semicircular arc guide rail and the circular guide rail through gears, and the two semicircular arc guide rails are arranged side by side and are driven by double motors to ensure the stability of the milling operation process.
The photo-curing system comprises a light source system 10, a slurry tank 6, a workbench 9, a workbench Z-axis polished rod 7, a workbench Z-axis ball screw 4 and a workbench Z-axis sliding block 5. The table 9 has a rotational displacement of the X axis and the table Z axis polished rod 7 has a displacement of the Z axis. The first ends of the workbench Z-axis polished rod 7 and the workbench Z-axis sliding block 5 are arranged on the light source system 10, the second ends of the two workbench Z-axis polished rods 7 are connected with the lower surface of the first shielding plate 31, the second ends of the two workbench Z-axis polished rods 7 and the workbench Z-axis ball screw 4 are respectively connected with the lower surface of the second shielding plate 32, the slurry tank 6 is arranged above the light source system 10, and the workbench 9 is arranged above the slurry tank 6. The shielding device is arranged between the milling system 1 and the photo-curing system, milling scraps are shielded by sealing according to the principle similar to a clamp to avoid falling to the photo-curing system, and rubber gaskets with proper thickness are added to clamping parts through a compensation method, so that the service life and the tightness are prolonged.
The servo system comprises a servo motor, a lead screw guide rail and a motor supporting slide block 8. The servo motor is arranged at the tail end of the extending direction of the lead screw guide rail. The lead screw guide rail passes through the workbench 9, the two ends of the lead screw guide rail are respectively connected with the motor support slide block 8 and the workbench Z-axis slide block 5, and the motor support slide block 8 and the workbench Z-axis slide block 5 are in threaded connection with the lead screw guide rail.
As shown in fig. 3 and 4, the milling device includes an electric spindle 112, a milling cutter, an electric spindle clamp 16, an X-axis base 14, an X-axis driving motor 111, a Y-axis base 15, a Y-axis driving motor, a Z-axis polished rod 110, a Z-axis light pipe 19, a Z-axis ball screw 12, a Z-axis threaded pipe 13, a Z-axis driving motor 17, a driving housing 11, a driving motor 18, a driving gear 114, and a driving shaft 115, the driving housing 11 is disposed outside the arc-shaped guide rail, fig. 4 shows a schematic view of the inside of the driving housing 11, the driving motor 18, the driving gear 114, and the driving shaft 115 are disposed inside the driving housing 11, and the driving gear 114 is engaged with the external tooth profiles of the circular guide rail 21 and the arc-shaped guide rail 22, respectively, so as to be able to move on the circular guide rail 21 and the arc-shaped guide rail 22. The electric spindle clamp 16 is arranged outside the electric spindle 112 and is used for clamping and fixing the electric spindle, a first end of the electric spindle 112 is respectively connected with output shafts of the X-axis driving motor 111, the Y-axis driving motor and the Z-axis driving motor 17, a second end of the electric spindle 112 is connected with a milling cutter, and the X-axis driving motor 111, the Y-axis driving motor and the Z-axis driving motor 17 jointly drive the milling cutter to rotate so as to finish milling. In the specific embodiment, the milling cutter is a detachable milling cutter 113.
In a specific embodiment, the Z-axis ball screw 12 is disposed inside the Z-axis threaded tube 13, and the milling device is made to axially move in space by driving the Z-axis ball screw 12 to rotate, and the Z-axis polished rod 110 is disposed in the Z-axis light tube 19, so as to reduce errors caused by vibration of the device.
In a specific embodiment, the inner sides of the first shielding plate 31 and the second shielding plate 32 are provided with grooves 302.
In a specific embodiment, the photo-curing system is provided with an X-axis axial rotation motor capable of performing rotation in the X-axis direction.
In a specific embodiment, a heating plate is arranged at the bottom of the slurry tank 6, and heating can be performed during photocuring.
On the other hand, the invention also provides a processing method of the light curing and milling composite processing equipment for the complex special-shaped ceramic parts, which comprises the following steps:
s1, setting servo system parameters, wherein the servo system parameters comprise the motion parameters of a workbench, and the motion path and the motion rate of a milling cutter.
S2, starting to work, heating the heating plate, driving the workbench Z-axis ball screw 4 to move to a position m+1 set layer thickness distances away from the bottom of the slurry tank by the servo motor, wherein m is the number of cured layers, starting to work by the light source system 10, curing the photosensitive resin layer above the workbench, forming a first layer of green body, then floating up for a certain distance, and repeating the steps to finish the printing process.
And S3, calculating the precision of the printed green errors according to a compensation method, driving the Z-axis ball screw 4 of the workbench to rotate so that the workbench 9 moves upwards to a designated position below the milling system 1, and starting the milling of the printed product by the milling system 1.
Preferably, the calculating the precision of the printed green error by using the compensation method in the step S3 specifically includes the following substeps:
s31, performing error analysis on the composite processing equipment, wherein the error analysis comprises systematic errors and random errors of the composite processing equipment.
S32, carrying out error analysis on the product to be processed, wherein the error analysis comprises the influence of the shape, the size, the temperature and the pressure of the product to be processed on the error of the product to be processed.
S33, respectively carrying out quantitative calculation on errors of the compound processing equipment and the product to be processed by a Bessel method, wherein the mathematical expression is as follows:
；
Wherein sigma is the standard deviation of the measured error samples, X i is the measured ith error sample, mu is the measured sample error mean value, and n is the number of samples.
And S34, compensating the result according to the error analysis result of the composite processing equipment and the product to be processed in a way that the modified actual basic size is equal to the sum of the basic size and the last standard deviation of the composite processing equipment and the product to be processed, and outputting the modified actual basic size as the green body error precision.
The working principle of the invention is as follows:
The invention relates to composite processing equipment which is designed aiming at the structural characteristics of some complex special-shaped ceramic products, such as high precision, high appearance quality and complex mechanical structure; in the working process, a pre-processed product is modeled and sliced, then working is started, a servo system firstly drives a workbench Z-axis ball screw 4 to rotate a workbench Z-axis sliding block 5 and a motor support sliding block 8 to drive a workbench 9 to sink to a designated position, then a light source system 10 starts working, the workbench 9 floats upwards after projection curing, the working is repeatedly carried out until the formation of a photocuring green body is achieved, the workbench 9 is enabled to enter a milling system 1 for processing in a right side upwards by the simultaneous operation of the servo motor and an X-axis axial rotating motor, meanwhile, a shielding device is operated to be attached to the workbench 9, milling is started, an air blowing device is operated after milling is completed, milling scraps and residual slurry are removed to obtain a milled green body, the green body can be alternately processed by photocuring and milling for two or more times, or the rest post-treatment processes are taken out, and a ceramic product with high precision and good appearance quality can be obtained.
The specific working process of the invention is as follows:
S1, preprocessing a servo system through CNC, wherein the preprocessing comprises presetting of motion parameters of a workbench 9, a motion path and a motion rate of a milling cutter 113.
S2, starting to work, heating the heating plate, driving the Z-axis ball screw of the workbench to a designated position, moving to a position m+1 set layer thickness distances away from the bottom of the slurry tank in the embodiment, starting to work the light source system 10, solidifying the photosensitive resin layer above the workbench 9, forming a first layer of green compact, then floating up for a certain distance, and repeating the steps to finish the whole printing process.
And S3, calculating according to a compensation method to obtain the precision of the printed green body errors, driving a Z-axis ball screw and an X-axis axial rotating motor of the workbench to enable the workbench 9 to move upwards to a designated position below the milling system 1, and starting the milling system 1 to mill the places with precision problems such as boundaries, inner holes and grooves of the product.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (7)
1. A complex special-shaped ceramic part's photocuring and compound processing equipment of milling which characterized in that: the device comprises a milling system, a shielding device, a light curing system and a servo system;
The milling system comprises a milling device and a milling guide rail, the milling guide rail comprises a circular guide rail and an arc guide rail, the outer side walls of the circular guide rail and the arc guide rail are both provided with external tooth profiles, the end parts of the arc guide rail are fixedly connected to the upper surface of the circular guide rail through welding, and the milling device is meshed with the arc guide rail and the circular guide rail through gears and can slide along the arc guide rail and the circular guide rail; the shielding device is arranged between the milling system and the light curing system;
The shielding device comprises a first shielding plate and a second shielding plate, the first shielding plate and the second shielding plate are arranged oppositely, an arc-shaped groove is formed in the upper surfaces of the inner sides of the first shielding plate and the second shielding plate, and a circular guide rail is placed in the arc-shaped groove;
The photocuring system comprises a light source system, a slurry tank, a workbench Z-axis polished rod, a workbench Z-axis ball screw and a workbench Z-axis sliding block; the workbench has rotational displacement of an X axis, and the Z-axis polished rod of the workbench has movement displacement of a Z axis; the first ends of the workbench Z-axis polished rod and the workbench Z-axis sliding block are arranged on the light source system, the second ends of the two workbench Z-axis polished rods are connected with the lower surface of the first shielding plate, the second ends of the two workbench Z-axis polished rods and the workbench Z-axis ball screw are respectively connected with the lower surface of the second shielding plate, the slurry tank is arranged above the light source system, and the workbench is arranged above the slurry tank;
The servo system comprises a servo motor, a lead screw guide rail and a motor supporting slide block; the servo motor is arranged at the tail end of the extending direction of the lead screw guide rail; the screw guide rail passes through the workbench, the two ends of the screw guide rail are respectively connected with the motor support slide block and the Z-axis slide block of the workbench, and the motor support slide block and the Z-axis slide block of the workbench are both in threaded connection with the screw guide rail;
The milling device comprises an electric spindle, a milling cutter, an electric spindle clamp, an X-axis base, an X-axis driving motor, a Y-axis base, a Y-axis driving motor, a Z-axis polished rod, a Z-axis light pipe, a Z-axis ball screw, a Z-axis threaded pipe, a Z-axis driving motor, a driving shell, a driving motor, a driving gear and a transmission shaft, wherein the Z-axis ball screw is arranged in the Z-axis threaded pipe, the milling device is enabled to realize axial movement in space by driving the rotation of the Z-axis ball screw, the Z-axis polished rod is arranged in the Z-axis light pipe, the driving shell is arranged outside the arc-shaped guide rail, the driving motor, the driving gear and the transmission shaft are all arranged inside the driving shell, the driving gear is meshed with the outer tooth profiles of the circular guide rail and the arc-shaped guide rail respectively, the electric spindle clamp is arranged outside the electric spindle and used for clamping and fixing the electric spindle, one end of the electric spindle is connected with the milling cutter, and the milling is driven to rotate.
2. The light curing and milling composite processing device for complex shaped ceramic parts according to claim 1, wherein: the bottom of the slurry tank is provided with a heating plate.
3. The light curing and milling composite processing device for complex shaped ceramic parts according to claim 1, wherein: the arc guide rail is semicircular and is provided with two.
4. The light curing and milling composite processing device for complex shaped ceramic parts according to claim 1, wherein: the inner sides of the first shielding plate and the second shielding plate are respectively provided with a groove.
5. The light curing and milling composite processing device for complex shaped ceramic parts according to claim 2, wherein: the photo-curing system is provided with an X-axis axial rotating motor.
6. A processing method of a light curing and milling composite processing device based on the complex special-shaped ceramic part according to claim 5, which is characterized in that: which comprises the following steps:
S1, setting servo system parameters, wherein the servo system parameters comprise the motion parameters of a workbench, and the motion path and the motion rate of a milling cutter;
S2, starting to work, heating a heating plate, driving a workbench Z-axis ball screw to move to a position m+1 set layer thickness distances from the bottom of a slurry tank by a servo motor, wherein m is the number of cured layers, starting to work by a light source system, curing a photosensitive resin layer above the workbench, forming a first layer of a green body, then floating a certain distance, and repeating the steps to finish a printing process;
and S3, calculating the error precision of the printed green body according to a compensation method, driving a Z-axis ball screw and an X-axis axial rotating motor of the workbench to enable the workbench to move upwards to a designated position below a milling system, and enabling the milling system to start milling the printed product.
7. The processing method according to claim 6, wherein: the method for calculating the error precision of the printed green body by using the compensation method in the step S3 specifically comprises the following substeps:
S31, performing error analysis on the composite processing equipment, wherein the error analysis comprises a system error and a random error of the composite processing equipment;
S32, carrying out error analysis on the product to be processed, wherein the error analysis comprises the influence of the shape, the size, the temperature and the pressure of the product to be processed on the error of the product to be processed;
S33, respectively carrying out quantitative calculation on errors of the compound processing equipment and the product to be processed by a Bessel method, wherein the mathematical expression is as follows:
；
wherein sigma is the standard deviation of the measured error samples, X i is the measured ith error sample, mu is the measured sample error mean value, and n is the number of samples;
and S34, compensating the result according to the error analysis result of the composite processing equipment and the product to be processed in a way that the modified actual basic size is equal to the sum of the basic size and the last standard deviation of the composite processing equipment and the product to be processed, and outputting the modified actual basic size as the green body error precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410338429.5A CN117943841B (en) | 2024-03-25 | 2024-03-25 | Light curing and milling composite processing equipment and method for complex special-shaped ceramic parts |
Applications Claiming Priority (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105127758A (en) * | 2015-10-15 | 2015-12-09 | 山东理工大学 | Multi-axis combination device for machine tool |
| CN205614344U (en) * | 2016-05-23 | 2016-10-05 | 吴江中瑞机电科技有限公司 | Metal 3D prints compound lathe with milling process |
| CN106476186A (en) * | 2016-12-13 | 2017-03-08 | 北京鸿鹄雄狮技术开发有限公司 | With processing technology and the system of light-cured resin in a kind of composite processing |
| CN110053252A (en) * | 2018-12-20 | 2019-07-26 | 西安工程大学 | A kind of the face exposure rapid molding device and method of composite material parts |
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| US20020129485A1 (en) * | 2001-03-13 | 2002-09-19 | Milling Systems And Concepts Pte Ltd | Method and apparatus for producing a prototype |
| US20230249395A1 (en) * | 2022-02-04 | 2023-08-10 | BiOHIP Corporation | Bioprinter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127758A (en) * | 2015-10-15 | 2015-12-09 | 山东理工大学 | Multi-axis combination device for machine tool |
| CN205614344U (en) * | 2016-05-23 | 2016-10-05 | 吴江中瑞机电科技有限公司 | Metal 3D prints compound lathe with milling process |
| CN106476186A (en) * | 2016-12-13 | 2017-03-08 | 北京鸿鹄雄狮技术开发有限公司 | With processing technology and the system of light-cured resin in a kind of composite processing |
| CN110053252A (en) * | 2018-12-20 | 2019-07-26 | 西安工程大学 | A kind of the face exposure rapid molding device and method of composite material parts |
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