CN113171210A - Manufacturing method and forming tool for ceramic sliding groove prosthesis - Google Patents
Manufacturing method and forming tool for ceramic sliding groove prosthesis Download PDFInfo
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- CN113171210A CN113171210A CN202110423050.0A CN202110423050A CN113171210A CN 113171210 A CN113171210 A CN 113171210A CN 202110423050 A CN202110423050 A CN 202110423050A CN 113171210 A CN113171210 A CN 113171210A
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- rubber sleeve
- sliding groove
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/38—Joints for elbows or knees
- A61F2/3877—Patellae or trochleae
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
- A61F2002/30957—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques using a positive or a negative model, e.g. moulds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2002/30968—Sintering
Abstract
The invention relates to the technical field of medical instruments and discloses a manufacturing method and a forming tool of a ceramic sliding chute prosthesis, wherein the manufacturing method of the ceramic sliding chute prosthesis comprises the following procedures of soft rubber sleeve mold powder filling → cavity mold pressing → cold isostatic pressing → key part processing → high-temperature sintering → finished product post-treatment; the forming tool for the ceramic sliding groove prosthesis comprises an upper die 1, a soft rubber sleeve die 2, an outer die 3 and a lower die 4. The invention provides a manufacturing method and a forming tool of a ceramic sliding groove prosthesis, which thoroughly solve the manufacturing problem of a ceramic product with a special-shaped high-performance structure, and simultaneously design a key forming tool, so that the ceramic sliding groove prosthesis can be manufactured with high efficiency, high yield and low cost.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a manufacturing method and a forming tool of a ceramic sliding groove prosthesis.
Background
The products of various profiles, seen on the market, are, in no way other than a few,
(1) the ceramic clay forming method is that ceramic powder is doped with some additives to make the ceramic powder have viscosity, so that various shapes can be formed more easily, for example, bowls and dishes and various ceramic artworks which are often seen by people are basically the forming method;
(2) the slurry forming method is to mix ceramic powder with additives to prepare slurry, and then form the slurry by using a special process, for example, the current popular method for 3D printing ceramic is to form the slurry by using a photocuring method;
(3) dry powder molding is a method in which dry powder is directly placed in a mold, directly molded by pressing or cooling, and then sintered.
The prior art has the following defects and shortcomings:
for high-performance structural ceramic products, the most suitable method is a dry powder forming method, for example, the common ceramic blank of the ceramic femoral head is the method, namely, the ceramic powder is pressed into a ball shape, then a specific characteristic is turned on a lathe, and finally the ceramic blank is sintered and formed at high temperature; for ceramic products with special-shaped high-performance structures such as ceramic sliding grooves, the ceramic mud forming method and the slurry forming method have the problems of high powder preparation difficulty, high sintering breakage rate and the like, and are not suitable for use, while the most suitable dry powder forming method has the problems of high material waste rate, difficult clamping and processing of a numerical control machine tool and the like, even if the ceramic products can be formed, the problems of high rejection rate and high cost are involved, so the ceramic products are not suitable for use,
therefore, how to manufacture the special-shaped high-performance structural ceramic product is an approximately unsolved industrial problem.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a manufacturing method and a forming tool of a ceramic sliding groove prosthesis, which thoroughly solve the manufacturing problem of a ceramic product with a special-shaped high-performance structure, and simultaneously designs the key forming tool, so that the ceramic sliding groove prosthesis can be manufactured efficiently with high yield and low cost.
In order to realize the purpose that the ceramic sliding groove prosthesis can be manufactured efficiently with high yield and low cost by the manufacturing method and the forming tool of the ceramic sliding groove prosthesis, the invention provides the following technical scheme: a method for manufacturing a ceramic sliding groove prosthesis and a forming tool are provided, the method for manufacturing the ceramic sliding groove prosthesis comprises the following procedures of soft rubber sleeve mold powder filling → cavity mold pressing → cold isostatic pressing → key part processing → high temperature sintering → finished product post-treatment;
the forming tool for the ceramic sliding groove prosthesis comprises an upper die, a soft rubber sleeve die, an outer die and a lower die;
the special-shaped soft rubber sleeve die is soft and thin in the powder loading process, the special-shaped soft rubber sleeve die with a ligatable opening is used in the cavity die pressing process, a tool with a plurality of small holes is used in the cavity die pressing process, the small holes of the tool enable the inside and the outside of the cavity in the front, back, left and right directions to be communicated, and in the cold isostatic pressing process, the cavity die and a pressed blank in the special-shaped soft rubber sleeve are required to be bundled and then placed into cold isostatic pressing equipment together to be pressed and formed simultaneously.
Preferably, flexible glue cover mould is including tying a mouthful and flexible glue cover, it can freely open to tie a mouthful in the powder process of adorning, the flexible glue cover is the rubber material, and thickness is generally between 0.02mm ~0.2mm, and cavity semi-enclosed construction, with tie a mouthful integrated into one piece.
Preferably, after the soft rubber sleeve mold is filled with the powder, the soft rubber sleeve mold is placed into a cavity mold, and the cavity mold comprises an upper mold, an outer mold and a lower mold.
Preferably, the upper die comprises an upper cavity and an upper air hole; the outer mold comprises an outer cavity and an outer air-permeable hole; the lower die comprises a lower cavity, a lower air hole and a lower opening.
Preferably, the upper die further comprises an upper tying opening; the outer die also comprises an outer tying opening; the lower die also comprises a lower tying opening.
Preferably, in the cavity mold pressing process, the soft rubber sleeve mold is firstly placed into a cavity formed by the upper cavity, the outer cavity and the lower cavity, and when the soft rubber sleeve mold is generally placed into the cavity, powder is not compressed, so that a certain gap is formed between the upper edges of the upper mold and the outer mold, and the upper mold, the outer mold and the lower mold are matched in shape; after the installation in place, the tying opening penetrates through the lower opening, at the moment, the tying opening needs to be tied but is not tied tightly, after the assembly is completed, the assembly body is placed on a small-sized press machine, and when the assembly body is pressurized, the pressure value is set to be 1000N-10000N, preferably 2000N, the pressurizing time is set to be 5 s-60 s, and preferably 10 s.
Preferably, the assembly body is not taken down immediately after pressurization is completed, at the moment, a vacuumizing tool is inserted into the tying opening, air in the soft rubber sleeve mold is pumped out, the tying opening is quickly tied tightly, at the moment, the pressure of the press machine is relieved, the tying belt penetrates through the upper tying opening, the outer tying opening and the lower tying opening, and finally the assembly body is tied tightly.
Preferably, the assembly body is bundled by a binding belt and is placed into a cold isostatic pressing device, at the moment, the pressure can directly act on the soft rubber sleeve mold through the upper air vent, the outer air vent and the lower air vent, the cross sections of the small holes of the upper air vent, the outer air vent and the lower air vent are circular, triangular, quadrilateral or polygonal, the preferred shape is circular, the diameter range is 0.1 mm-2 mm, the preferred shape is 0.8mm, at the moment, the pressure parameter of the cold isostatic pressing device is set between 200MPa and 500MPa, the preferred pressure is 300MPa, the pressure maintaining time is 1 min-10 min, and the preferred time is 5 min.
Compared with the prior art, the invention provides a manufacturing method and a forming tool of a ceramic sliding chute prosthesis, which have the following beneficial effects:
1. the manufacturing method of the ceramic sliding groove prosthesis comprises the following manufacturing processes: filling powder into a soft rubber sleeve mold → pressing a cavity mold → cold isostatic pressing → processing key parts → high-temperature sintering → post-processing of finished products.
The manufacturing method is an improvement on a dry powder forming method, adds a mold forming idea, and solves the problems of blank breakage caused by powder adhesion during demolding, inaccurate forming of detailed characteristics and the like in continuous experimental exploration.
2. The manufacturing method and the forming tool of the ceramic sliding groove prosthesis adopt the special-shaped soft rubber sleeve for powder packing, are different from a hard rubber sleeve and a steel mould, are soft and thin, and can be ligated at the opening; the cavity die is provided with a plurality of small holes with the diameter of less than 1mm, so that the inside and the outside of the cavity can be connected in a ventilating way, and the small holes are at least in the front, back, left and right directions; when cold isostatic pressing is carried out, the cavity and the pressed blank in the soft rubber sleeve are bundled and then are put into cold isostatic pressing equipment together, and pressing forming is carried out simultaneously, so that various very complicated shapes can be formed.
3. The manufacturing method and the forming tool of the ceramic sliding chute prosthesis thoroughly solve the manufacturing problem of the ceramic product with the special-shaped high-performance structure, and simultaneously design the key forming tool, so that the ceramic sliding chute product can be manufactured with high efficiency, high yield and low cost,
the ceramic trochlear groove prosthesis produced by the present invention has significant advantages including:
(1) the utilization rate of the ceramic material is high, and ceramic powder is not wasted;
(2) the forming is easy, the processing time is short, large-scale equipment such as a five-axis processing center and the like is not needed, the processing time is greatly shortened, and the production cost is reduced;
(3) products that were not previously possible in a batch process are made possible.
Drawings
FIG. 1 is a schematic view of the overall structure of the forming tool of the present invention;
fig. 2 is a schematic diagram of an explosive structure of the forming tool of the present invention.
In the figure: 1. an upper die; 1.1, an upper cavity; 1.2, tying up the opening; 1.3, arranging air holes; 2. a soft rubber sleeve mold; 2.1, tying; 2.2, a soft rubber sleeve; 3. an outer mold; 3.1, an outer shape cavity; 3.2, tying an outer opening; 3.3, outer air-permeable holes; 4. a lower die; 4.1,; 4.2, binding the opening downwards; 4.3, arranging air holes; 4.4, lower opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a method for manufacturing a ceramic runner groove prosthesis and a molding tool thereof are disclosed, wherein the method for manufacturing the ceramic runner groove prosthesis comprises the following steps of soft rubber sleeve mold powder filling → cavity mold pressing → cold isostatic pressing → key part processing → high temperature sintering → product post-treatment;
the forming tool for the ceramic sliding groove prosthesis comprises an upper die 1, a soft rubber sleeve die 2, an outer die 3 and a lower die 4;
the special-shaped soft rubber sleeve die 2 which is soft and thin and can be tied at the opening is used in the special-shaped soft rubber sleeve die powder loading process, a tool with a plurality of small holes is used in the cavity die pressing process, the small holes of the tool enable the inside and the outside of the cavity in the front, back, left and right directions to be communicated, and in the cold isostatic pressing process, the cavity die and a pressed blank in the special-shaped soft rubber sleeve are required to be tied and then placed into cold isostatic pressing equipment together, and meanwhile, the pressing forming is carried out.
In summary, the soft rubber sleeve mold 2 comprises a tying opening 2.1 and a soft rubber sleeve 2.2, the tying opening 2.1 can be freely opened in the powder loading process, so that ceramic powder can be smoothly loaded into the soft rubber sleeve 2.2, the soft rubber sleeve 2.2 is made of rubber, the thickness of the soft rubber sleeve is generally 0.02 mm-0.2 mm, and the soft rubber sleeve is of a hollow semi-closed structure and integrally formed with the tying opening 2.1, is used for containing the ceramic powder and enables the powder to have a simple initial shape; in the cavity die pressing procedure, the soft rubber sleeve die 2 is firstly placed into a cavity consisting of an upper die cavity 1.1, an outer die cavity 3.1 and a lower die cavity 4.2, when the soft rubber sleeve die is generally placed, powder is not compressed, so that a certain gap is formed between the upper edges of the upper die 1 and the outer die 3, and the upper die 1, the outer die 3 and the lower die 4 are matched in shape, so that the soft rubber sleeve die can be prevented from moving or rotating in the vertical direction after being installed; after the installation is in place, the tying port 2.1 penetrates through the lower opening 4.4, at the moment, the tying port 2.1 needs to be tied but does not need to be tied tightly, so that air in the soft rubber sleeve mold 2 is discharged, after the assembly is completed, the assembly body is placed on a small-sized press machine, when the assembly body is pressurized, the pressure value is set to be 1000-10000N, the preferable pressure value is 2000N, the pressurizing time is 5-60 s, and the preferable pressurizing time is 10 s; after the pressurization of the assembly body is finished, the assembly body is not immediately taken down, at the moment, a vacuumizing tool is inserted into the tying port 2.1, air in the soft rubber sleeve mold 2 is pumped out, the tying port 2.1 is quickly tied up to prevent air from entering the soft rubber sleeve mold 2 again, at the moment, the pressure of a press machine is relieved, a binding belt penetrates through the upper tying port 1.2, the outer tying port 3.2 and the lower tying port 4.2, and finally the assembly body is tied up to prevent overlarge or uneven gaps from being generated among the upper mold 1, the outer mold 3 and the lower mold 4; the assembly body is tied up by a binding belt and is placed into a cold isostatic pressing device, at the moment, the pressure can directly act on a soft rubber sleeve die 2 through an upper air vent 1.3, an outer air vent 3.3 and a lower air vent 4.3, so that a blank inside the soft rubber sleeve die is strongly pressed, the cross sections of the small holes of the upper air vent 1.3, the outer air vent 3.3 and the lower air vent 4.3 are circular, triangular, quadrilateral or polygonal, preferably circular, the diameter range is 0.1 mm-2 mm, preferably 0.8mm, the pressure parameter of the cold isostatic pressing device is set between 200MPa and 500MPa, the preferred pressure is 300MPa, the pressure maintaining time is 1 min-10 min, and the preferred time is 5 min.
The invention relates to a working use process and an installation method, in particular to a manufacturing method and a forming tool of a ceramic sliding groove prosthesis, wherein the manufacturing process comprises the following steps: filling powder into a soft rubber sleeve mold → pressing a cavity mold → cold isostatic pressing → processing key parts → high-temperature sintering → post-processing of finished products.
The manufacturing method is an improvement on a dry powder forming method, adds a mold forming idea, and solves the problems of blank breakage caused by powder adhesion during demolding, inaccurate forming of detailed characteristics and the like in continuous experimental exploration.
The manufacturing method and the forming tool of the ceramic sliding groove prosthesis adopt the special-shaped soft rubber sleeve for powder packing, are different from a hard rubber sleeve and a steel mould, are soft and thin, and can be ligated at the opening; the cavity die is provided with a plurality of small holes with the diameter of less than 1mm, so that the inside and the outside of the cavity can be connected in a ventilating way, and the small holes are at least in the front, back, left and right directions; when cold isostatic pressing is carried out, the cavity and the pressed blank in the soft rubber sleeve are bundled and then are put into cold isostatic pressing equipment together, and pressing forming is carried out simultaneously, so that various very complicated shapes can be formed.
The manufacturing process is basically completed in the specification, and then, after the cold isostatic pressing is completed, the ceramic blank product is taken out from the special-shaped soft rubber sleeve for the next continuous use. The formed ceramic blank only needs to be machined at a key part, if the ceramic sliding groove prosthesis needs to be ground on a curved surface, high-temperature sintering can be carried out, and the ceramic sliding groove prosthesis after being sintered is polished at the curved surface, so that the super-mirror surface effect is finally achieved.
The manufacturing method and the forming tool of the ceramic sliding chute prosthesis thoroughly solve the manufacturing problem of the ceramic product with the special-shaped high-performance structure, and simultaneously design the key forming tool, so that the ceramic sliding chute product can be manufactured with high efficiency, high yield and low cost,
the ceramic trochlear groove prosthesis produced by the present invention has significant advantages including:
(1) the utilization rate of the ceramic material is high, and ceramic powder is not wasted;
(2) the forming is easy, the processing time is short, large-scale equipment such as a five-axis processing center and the like is not needed, the processing time is greatly shortened, and the production cost is reduced;
(3) products that were not previously possible in a batch process are made possible.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A manufacturing method and a forming tool of a ceramic sliding groove prosthesis are characterized in that: the manufacturing method of the ceramic sliding groove prosthesis comprises the following procedures of soft rubber sleeve mold powder filling → cavity mold pressing → cold isostatic pressing → key part processing → high temperature sintering → finished product post-treatment;
the forming tool of the ceramic sliding groove prosthesis comprises an upper die (1), a soft rubber sleeve die (2), an outer die (3) and a lower die (4);
the special-shaped soft rubber sleeve die (2) which is soft and thin and can be tied at the opening is used in the powder loading process of the special-shaped soft rubber sleeve die, a tool with numerous small holes is used in the cavity die pressing process, the small holes of the tool enable the inside and the outside of the cavity in the front, back, left and right directions to be communicated, and in the cold isostatic pressing process, the cavity die and a pressed blank in the special-shaped soft rubber sleeve are required to be tied and then placed into cold isostatic pressing equipment together, and meanwhile, the pressing forming is carried out.
2. The manufacturing method and the molding tool of the ceramic sliding groove prosthesis according to claim 1, wherein the manufacturing method comprises the following steps: soft gum cover mould (2) are including tying mouthful (2.1) and flexible glue cover (2.2), it can freely open to tie mouthful (2.1) in the powder process of dress, flexible glue cover (2.2) are the rubber material, and thickness is generally between 0.02mm ~0.2mm, and the semi-closed structure of cavity, with tying mouthful (2.1) integrated into one piece.
3. The manufacturing method and the molding tool of the ceramic sliding groove prosthesis according to claim 2, wherein the manufacturing method comprises the following steps: after the soft rubber sleeve mold (2) is filled with powder, the soft rubber sleeve mold (2) is placed into a cavity mold, and the cavity mold comprises an upper mold (1), an outer mold (3) and a lower mold (4).
4. The manufacturing method and the molding tool of the ceramic sliding groove prosthesis according to claim 3, wherein the manufacturing method comprises the following steps: the upper die (1) comprises an upper die cavity (1.1) and an upper air hole (1.3); the outer die (3) comprises an outer die cavity (3.1) and an outer air-permeable hole (3.3); the lower die (4) comprises a lower die cavity (4.1), a lower vent hole (4.3) and a lower opening (4.4).
5. The manufacturing method and the molding tool of the ceramic sliding groove prosthesis according to claim 4, wherein the manufacturing method comprises the following steps: the upper die (1) also comprises an upper tying opening (1.2); the outer die (3) also comprises an outer tying opening (3.2); the lower die (4) also comprises a lower tying opening (4.2).
6. The manufacturing method and the molding tool of the ceramic sliding groove prosthesis according to claim 1, wherein the manufacturing method comprises the following steps: in the cavity die pressing procedure, the soft rubber sleeve die (2) is firstly placed into a cavity consisting of an upper cavity (1.1), an outer cavity (3.1) and a lower cavity (4.2), when the soft rubber sleeve die is generally placed into the cavity, powder is not compressed, so that a certain gap is formed between the upper edges of the upper die (1) and the outer die (3), and the upper die (1), the outer die (3) and the lower die (4) are matched in shape; after the installation in place, the tying opening (2.1) penetrates through the lower opening (4.4), at the moment, the tying opening (2.1) needs to be tied but is not tied tightly, after the assembly is completed, the assembly body is placed on a small-sized press, and when the assembly is pressurized, the pressure value is set to be 1000N-10000N, preferably 2000N, the pressurizing time is set to be 5 s-60 s, and preferably 10 s.
7. The manufacturing method and the molding tool of the ceramic sliding groove prosthesis according to claim 6, wherein the manufacturing method comprises the following steps: the assembly body after the pressurization is accomplished, do not take off immediately, at this moment, use evacuation instrument to insert in tying up mouthful (2.1), take out the air in flexible glue cover mould (2) to tie up mouthful (2.1) fast tightly, at this moment, the pressure machine pressure release, and pass with the ribbon and tie up mouthful (1.2), outer tying up mouthful (3.2) and tying up mouthful (4.2) down, finally tie up the assembly body tightly.
8. The manufacturing method and the molding tool of the ceramic sliding groove prosthesis according to claim 7, wherein the manufacturing method comprises the following steps: the assembly body is tied up by a binding belt and is placed into a cold isostatic pressing device, at the moment, the pressure can directly act on the soft rubber sleeve mold (2) through the upper air holes (1.3), the outer air holes (3.3) and the lower air holes (4.3), the cross sections of the small holes of the upper air holes (1.3), the outer air holes (3.3) and the lower air holes (4.3) are circular, triangular, quadrilateral or polygonal, preferably circular, 0.1-2 mm in diameter range, preferably 0.8mm, at the moment, the pressure parameter of the cold isostatic pressing device is set between 200MPa and 500MPa, the preferred pressure is 300MPa, the pressure maintaining time is 1-10 min, and the preferred time is 5 min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110423050.0A CN113171210A (en) | 2021-04-20 | 2021-04-20 | Manufacturing method and forming tool for ceramic sliding groove prosthesis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110423050.0A CN113171210A (en) | 2021-04-20 | 2021-04-20 | Manufacturing method and forming tool for ceramic sliding groove prosthesis |
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| CN113171210A true CN113171210A (en) | 2021-07-27 |
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| CN202110423050.0A Pending CN113171210A (en) | 2021-04-20 | 2021-04-20 | Manufacturing method and forming tool for ceramic sliding groove prosthesis |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106182398A (en) * | 2016-07-08 | 2016-12-07 | 苏州珂玛材料技术有限公司 | A kind of moulding process of ceramic plunger |
| CN106278194A (en) * | 2015-05-20 | 2017-01-04 | 辽宁爱尔创生物材料有限公司 | A kind of manufacture method of long rod pottery |
| CN206550347U (en) * | 2016-11-30 | 2017-10-13 | 西北稀有金属材料研究院 | A kind of ceramic powders cold isostatic compaction mould |
-
2021
- 2021-04-20 CN CN202110423050.0A patent/CN113171210A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106278194A (en) * | 2015-05-20 | 2017-01-04 | 辽宁爱尔创生物材料有限公司 | A kind of manufacture method of long rod pottery |
| CN106182398A (en) * | 2016-07-08 | 2016-12-07 | 苏州珂玛材料技术有限公司 | A kind of moulding process of ceramic plunger |
| CN206550347U (en) * | 2016-11-30 | 2017-10-13 | 西北稀有金属材料研究院 | A kind of ceramic powders cold isostatic compaction mould |
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Application publication date: 20210727 |