CN110615678A - Zirconia ceramic material gear and turbine assembly - Google Patents
Zirconia ceramic material gear and turbine assembly Download PDFInfo
- Publication number
- CN110615678A CN110615678A CN201810631332.8A CN201810631332A CN110615678A CN 110615678 A CN110615678 A CN 110615678A CN 201810631332 A CN201810631332 A CN 201810631332A CN 110615678 A CN110615678 A CN 110615678A
- Authority
- CN
- China
- Prior art keywords
- gear
- turbine assembly
- zirconia ceramic
- sintering
- glue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
Abstract
The invention relates to a zirconia ceramic material gear and turbine assembly, and the manufacturing process comprises the following steps of (1) -analyzing, step (2) -drawing, step (3) -mould, step (4) -batching, step (5) -feeding, step (6) -injecting glue, step (7) -ejecting, step (8) -degreasing and step (9) -sintering. This zirconia ceramic material gear, turbine subassembly utilize to penetrate gluey step by step in the manufacturing process, many times degrease and multistage sintering, it is that this product possesses the environmental protection, wear-resisting, anti chemical corrosion and self-lubricating characteristic, the during operation need not annotate lubricating oil in addition, still can utilize high temperature in the environment, high wet vapor comes the lubrication, high temperature has been solved, under the high humidity environment, the transmission subassembly is lubricated and the evaporation of lubricating oil, the product equipment pollution that seepage etc. brought, extensively be applicable to medicine research and development, medical disinfection, food production, automation equipment such as chemical industry reagent and scientific research test instrument is developing, production process.
Description
Technical Field
The invention relates to a zirconia ceramic gear and turbine assembly.
Background
The existing transmission mechanism and key components need to be lubricated by industrial lubricating oil when running for a certain time, the lubricating oil leakage of transmission parts can cause the pollution of products during the running process, meanwhile, the product pollution can be caused by the replacement of the lubricating oil, and the intelligent and automatic development of medicine, medical treatment, food and scientific research equipment is limited because the existing transmission mechanism lacks the cleanliness requirement level meeting the high cleanness of medical reagents, medical disinfection, food and the like.
Disclosure of Invention
The technical problem to be solved by the invention is how to overcome the defects in the prior art, and a gear and turbine assembly made of zirconia ceramic material is provided.
In order to solve the technical problem, the manufacturing process of the zirconia ceramic material gear and turbine component comprises the following steps,
step (1) -analysis: analyzing the size data of the gear and the turbine assembly to be manufactured;
step (2) -drawing: manufacturing a product three-dimensional model diagram according to the size data obtained in the step (1);
step (3) -mold: selecting a high-temperature-resistant material to manufacture a product glue injection mold according to the three-dimensional model diagram of the product obtained in the step (2);
step (4) -batching: taking zirconia powder, adding a multi-component binder, and uniformly mixing and stirring according to the ratio of 75:25 to obtain a zirconia ceramic raw material;
step (5) -drying and charging: and (4) sucking the zirconia ceramic raw material obtained in the step (4) into a full-automatic numerical control dehumidification drier for drying, and then automatically feeding the zirconia ceramic raw material into a hopper of a special injection molding machine for precise ceramics.
Step (6) -glue injection: injecting glue into the gear and turbine die prepared in the step (3) by using the full-automatic numerical control precision ceramic special injection molding machine in the step (4) according to the size of the gear and turbine assembly obtained in the step (1), and adjusting the pressure maintaining time to be 10-15 s for pressure maintaining after the glue injection is finished;
step (7) -ejecting: opening the die in the step (6), and cooling for 30-60 s to eject a blank body of the gear and turbine assembly;
step (8) -degreasing: putting the gear and turbine assembly blank (generally called as a green part) obtained in the step (7) into an environment-friendly program-controlled multi-stage temperature-controlled degreasing furnace for degreasing;
step (9) -sintering: and (4) performing multi-stage sintering on the degreased gear and turbine assembly blank obtained in the step (8) in an environment-friendly program-controlled multi-stage temperature-controlled sintering furnace to obtain the gear and turbine assembly.
Preferably, the ceramic injection (also called as 'glue injection') in the step (6) is divided into three sections, and in the glue injection process, the glue injection speed is gradually increased for a plurality of times within the range of 100-150 mm and the glue injection pressure is gradually increased within the range of 90-120 Pam according to the sections by a full-automatic numerical control ceramic injection molding machine.
In the optimized glue injection process in the step (6), the three-stage glue injection speed is between 100mm, 125mm and 150mm in sequence, and the three-stage glue injection pressure is 90Pam, 105Pam and 120Pam in sequence.
As optimization, the three-stage degreasing in the step (8) is carried out, and the temperature of a hearth is respectively controlled as follows: room temperature to 250 ℃ for 3 hours; at 250-350 ℃ for 3.5 hours; 300-450 ℃ for 5 hours. Because the environment-friendly program-controlled multi-stage temperature-controlled degreasing furnace is adopted, the degreasing process is fully program-controlled and automatic, and other auxiliary materials are not required to be added, so that the dimensional precision of the product is ensured, and the environment is protected.
And (3) optimizing, wherein the sintering in the step (9) is three-section sintering and shaping in an environment-friendly program-controlled multi-section temperature-controlled sintering furnace, and the three-section sintering temperature is 800-1000 ℃, 900-1250 ℃ and 1150-1450 ℃ in sequence.
The invention relates to a zirconia ceramic material gear and turbine component which adopts zirconia ceramic material, a precise blank (green part) is manufactured through a precise mould and a precise injection molding machine, the precise gear and turbine transmission component is manufactured after environment-friendly degreasing and high-temperature sintering molding, and banburying (batching), step-by-step glue injection, multi-section degreasing and multi-section sintering in the manufacturing process are utilized, so that the product has the characteristics of environment protection, wear resistance, chemical corrosion resistance and self-lubrication, lubricating oil is not required to be additionally injected during working, high-temperature and high-humidity water vapor in the environment can be used for lubrication, the product equipment pollution caused by lubrication of the transmission component, evaporation of the lubricating oil, leakage and the like under the high-temperature and high-humidity environment is solved, and the invention is widely suitable for the development and production processes of automatic equipment such as medicine research and development, medical disinfection, food.
Drawings
The gear and turbine components made of zirconia ceramic material of the present invention are further described with reference to the accompanying drawings:
FIG. 1 is a structural view of the appearance of a gear/turbine assembly made of the zirconia ceramic material.
Detailed Description
As shown in FIG. 1, the manufacturing process of the gear and turbine component made of the zirconia ceramic material comprises the following steps,
step (1) -analysis: analyzing the size data of the gear and the turbine assembly to be manufactured;
step (2) -drawing: manufacturing a product three-dimensional model diagram according to the size data obtained in the step (1);
step (3) -mold: selecting a high-temperature-resistant material to manufacture a product glue injection mold according to the three-dimensional model diagram of the product obtained in the step (2);
step (4) -batching: taking zirconia powder, adding a multi-component binder, and uniformly mixing and stirring according to the ratio of 75:25 to obtain a zirconia ceramic raw material;
step (5) -drying and charging: and (4) sucking the zirconia ceramic raw material obtained in the step (4) into a full-automatic numerical control dehumidification drier for drying, and then automatically feeding the zirconia ceramic raw material into a hopper of a special injection molding machine for precise ceramics.
Step (6) -glue injection: injecting glue into the gear and turbine die prepared in the step (3) by using the full-automatic numerical control precision ceramic special injection molding machine in the step (4) according to the size of the gear and turbine assembly obtained in the step (1), and adjusting the pressure maintaining time to be 10-15 s for pressure maintaining after the glue injection is finished; the ceramic injection (also called as 'glue injection') is divided into three sections, in the three-section glue injection process, a full-automatic numerical control ceramic injection molding machine sequentially penetrates between 100mm, 125mm and 150mm according to the three-section glue injection speed, and the three-time glue injection pressure sequentially penetrates between 90Pam, 105Pam and 120 Pam;
step (7) -ejecting: opening the die in the step (6), and cooling for 30-60 s to eject a blank body of the gear and turbine assembly;
step (8) -degreasing: putting the gear and turbine assembly blank (generally called as a green part) obtained in the step (7) into an environment-friendly program-controlled multi-stage temperature-controlled degreasing furnace for degreasing; the temperature of the three-section degreasing hearth is controlled to be between room temperature and 250 ℃ for 3 hours respectively; at 250-350 ℃ for 3.5 hours; 300-450 ℃ for 5 hours; because the environment-friendly program-controlled multi-stage temperature-controlled degreasing furnace is adopted, the degreasing process is fully program-controlled and automatic, and other auxiliary materials are not required to be added, so that the dimensional precision of the product is ensured, and the environment is protected.
Step (9) -sintering: and (3) performing multi-stage sintering on the degreased gear and turbine assembly blank obtained in the step (8) in an environment-friendly program-controlled multi-stage temperature-controlled sintering furnace, wherein the sintering is performed in a three-stage sintering and shaping manner in the environment-friendly program-controlled multi-stage temperature-controlled sintering furnace, and the three-stage sintering temperature is 800-1000 ℃, 900-1250 ℃ and 1150-1450 ℃ in sequence, so that the gear and turbine assembly made of the zirconia ceramic material is obtained.
The foregoing embodiments are intended to illustrate that the invention may be implemented or used by those skilled in the art, and modifications to the above embodiments will be apparent to those skilled in the art, and therefore the invention includes, but is not limited to, the above embodiments, any methods, processes, products, etc., consistent with the principles and novel and inventive features disclosed herein, and fall within the scope of the invention.
Claims (6)
1. A zirconia ceramic material gear and turbine component is characterized in that: the manufacturing process of the gear and turbine assembly comprises the following steps,
step (1) -analysis: analyzing the size data of the gear and the turbine assembly to be manufactured;
step (2) -drawing: establishing a product three-dimensional model diagram according to the size data obtained in the step (1);
step (3) -mold: selecting a high-quality, high-temperature-resistant and wear-resistant die steel material to manufacture a product glue injection forming die according to the three-dimensional model diagram of the product obtained in the step (2);
step (4) -batching: mixing zirconia powder and a multi-component binder according to a ratio of 75:25, uniformly stirring and granulating to obtain a zirconia ceramic raw material;
step (5) -drying: sucking the zirconia ceramic raw material obtained in the step (4) into a dehumidification dryer, and automatically feeding the dried zirconia ceramic raw material into a feed hopper of a full-automatic numerical control precise ceramic special injection molding machine;
step (6) -glue injection: injecting glue into the gear and turbine die prepared in the step (3) by using a full-automatic numerical control injection molding machine in the step (4) according to the size of the gear and turbine assembly obtained in the step (1), and adjusting the pressure maintaining time to be 10-15 s for pressure maintaining after the glue injection is finished;
step (7) -ejecting: opening the die in the step (6), and cooling for 30-60 s to eject a blank body of the gear and turbine assembly;
step (8) -degreasing: placing the gear and turbine assembly blank obtained in the step (7) on a ceramic frame in a degreasing furnace for degreasing treatment;
step (9) -sintering: and (4) performing multi-stage sintering on the degreased gear and turbine assembly blank obtained in the step (8) in an environment-friendly program-controlled multi-stage temperature-controlled sintering furnace to obtain the gear and turbine assembly.
2. A gear and turbine assembly of zirconia ceramic material as claimed in claim 1 wherein: and (6) dividing the glue injection into three sections, and gradually increasing the glue injection pressure of the full-automatic numerical control ceramic injection machine within the range of 90-120 Pam according to the glue injection speed of each section within the range of 100-150 mm in the glue injection process.
3. A gear and turbine assembly of zirconia ceramic material as claimed in claim 2 wherein: in the glue injecting process in the step (6), the glue injecting speed of the glue materials injected for three times is between 100mm, 125mm and 150mm in sequence, and the glue injecting pressure of the glue materials injected for three times is 90Pam, 105Pam and 120Pam in sequence.
4. A gear and turbine assembly of zirconia ceramic material as claimed in claim 1 wherein: the blank degreasing process in the step (8) comprises three-stage degreasing, and the whole process is completed in an environment-friendly program-controlled multi-stage temperature-controlled degreasing furnace at one time.
5. The zirconia ceramic gear and turbine assembly of claim 4, wherein: and (4) three-stage degreasing in the step (8), wherein the temperature of a hearth is respectively controlled as follows: room temperature to 250 ℃ for 3 hours; at 250-350 ℃ for 3.5 hours; 300-450 ℃ for 5 hours.
6. A gear and turbine assembly of zirconia ceramic material as claimed in claim 1 wherein: and (9) sintering, namely three-section sintering and shaping in an environment-friendly program-controlled multi-section temperature-controlled sintering furnace, wherein the three-section sintering temperature is 800-1000 ℃, 900-1250 ℃ and 1150-1450 ℃ in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810631332.8A CN110615678A (en) | 2018-06-19 | 2018-06-19 | Zirconia ceramic material gear and turbine assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810631332.8A CN110615678A (en) | 2018-06-19 | 2018-06-19 | Zirconia ceramic material gear and turbine assembly |
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| Publication Number | Publication Date |
|---|---|
| CN110615678A true CN110615678A (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810631332.8A Pending CN110615678A (en) | 2018-06-19 | 2018-06-19 | Zirconia ceramic material gear and turbine assembly |
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| CN106977199A (en) * | 2017-03-15 | 2017-07-25 | 南京云启金锐新材料有限公司 | High-purity ultra-toughness zirconia composite ceramics gear and preparation method thereof |
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Patent Citations (6)
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| CN202028540U (en) * | 2011-01-27 | 2011-11-09 | 陆锁根 | Integrated full-ceramic impeller manufactured by adopting cold isostatic pressing |
| CN102765941A (en) * | 2012-07-27 | 2012-11-07 | 萍乡市慧成精密机电有限公司 | Ceramic powder turbocharger nozzle ring installation disk and manufacturing method of ceramic powder turbocharger nozzle ring installation disk |
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Application publication date: 20191227 |
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