CN106726013B - A kind of manufacturing process of low mill ultra-high molecular weight polyethylene composite material hip cotyle - Google Patents
A kind of manufacturing process of low mill ultra-high molecular weight polyethylene composite material hip cotyle Download PDFInfo
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- CN106726013B CN106726013B CN201611079736.8A CN201611079736A CN106726013B CN 106726013 B CN106726013 B CN 106726013B CN 201611079736 A CN201611079736 A CN 201611079736A CN 106726013 B CN106726013 B CN 106726013B
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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
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
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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
- A61F2/3094—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
- A61F2002/30968—Sintering
-
- 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
- A61F2002/3097—Designing or manufacturing processes using laser
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Abstract
The present invention discloses a kind of manufacturing process of low mill ultra-high molecular weight polyethylene composite material hip cotyle, includes the following steps：（1）The preparation of ultra-high molecular weight polyethylene composite granule, graphene, carbon nanotube, ultra-high molecular weight polyethylene powder are weighed respectively, graphene and carbon nanotube powder are placed in dispersant and carry out ultrasonic disperse, then ultra-high molecular weight polyethylene powder is added in graphene/carbon nano-tube composite nanometre powder dispersion liquid and is stirred by ultrasonic, is dried in vacuo；（2）Model pre-treatment carries out d solid modeling to hip cotyle using CAD software and passage path planning software carries out hierarchy slicing processing；（3）Using selective laser sintering technology, ultra-high molecular weight polyethylene composite material hip joint is shaped.This method uses advanced selective laser sintering manufacturing technology, and combines the excellent low mill characteristic of carbon material, shapes low mill ultra-high molecular weight polyethylene composite material hip cotyle, greatly improves the wear-resisting property of hip cotyle.
Description
Technical field
The present invention relates to a kind of manufacturing process of hip cotyle, are answered more particularly, to a kind of low mill ultra-high molecular weight polyethylene
The manufacturing process of condensation material hip cotyle belongs to bone implant manufacturing technology field.
Background technology
Ultra-high molecular weight polyethylene (UHMWPE) is the high molecular polymer that a kind of molecular weight is more than 1,500,000, possesses height
Orderly platelet is embedded in the unique composite construction in random amorphous region, high molecular weight and higher molecular entanglement density
Its excellent performance is assigned, e.g., low-friction coefficient, high chemical stability, good biocompatibility and self lubricity etc..Cause
And it is widely used in articular replacement material, it has also become most important artificial hip joint mortar high molecular material.People's daily routines
And the ringing stress that movement is brought, wearability, intensity requirement to UHMWPE hip cotyles propose harsh requirement.Face
Bed application shows that the hardness of UHMWPE and abrasion resistance properties are relatively low, and creep occurs during long service and makes manually to close
It saves mortar and generates larger abrasion, wearability is caused to become influence UHMWPE artificial hip joints mortar and is taken under the physiological environment of human body complexity
Use as a servant the principal element in service life.In addition, the UHMWPE particles that abrasion generates are built up and induce soft tissue inflammation, Periprosthetic is caused to be sent out
Raw bone dissolving, the loosening in joint.To extend service life of the UHMWPE artificial hip joint mortars in human body, there is an urgent need for improve its military service
Performance.
At present, UHMWPE artificial hip joints mortar is mainly shaped by compacting sintering.CN 105031721A are by super high molecular weight
Polyethylene powders, vitamin E powder and single-layer graphene oxide are mixed, and spoke is carried out after the idiosome of pressing mold molding hip cotyle
According to crosslinking Treatment, wear rate is reduced.The hot formings such as Shi Guojun are coupled glass microballoon/ultra-high molecular weight polyethylene composite wood
Material, mechanical property and polishing machine get a promotion.But compacting sintering forming easily makes UHMWPE, and the residence time is long at high temperature
And oxidative degradation, the generation of chain-breaking reaction is easily caused, forms the substance for having potential hazard to human body containing double bond, free radical etc.；
Secondly, because the diffusion coefficient of UHMWPE particles is minimum, intergranular interface cannot completely eliminate in compacting process, Yi Yin
Fault of construction is played, and then leads to the decline of its performance.In addition, the block pressing forming process accuracy of manufacture is not high, need to post-process, manufacture week
Phase is long.
In recent years, selective laser sintering (SLS) has evolved into one of important developing direction of quick manufacturing field, has
Can direct forming complicated shape non-metal workpiece, it is high in machining efficiency, manufacturing process is simple the features such as.UHMWPE artificial hip joint mortars
Manufacture challenge is proposed to traditional processing method, and SLS technologies are provided for an effective approach.SLS formings are high
During molecular material, by moment rapid melting and solidification in micro-meter scale to its powder, it is effectively reduced at high temperature
Its forming property is greatly improved in residence time.105172154 A of CN provide a kind of constituency of ultra-high molecular weight polyethylene and swash
Light sinter molding method solves the precision manufactureing of complicated ultra-high molecular weight polyethylene cotyla conscientiously.CN
103450537B provides a kind of graphene/UHMWPE hot-press molding methods, improves its antistatic property.
However, the forming side of the graphene/carbon nano-tube based on SLS technologies/UHMWPE Polysulfone Composite Hip Prosthesis mortars
Method is not directed in the prior art in medical low mill artificial hip joint mortar precision manufactureing field.
Invention content
Goal of the invention：To solve problems of the prior art, the present invention provides a kind of low mill superhigh molecular weight polyethylene
The manufacturing process of alkene composite material hip cotyle, this method are based on the unique forming process of SLS technologies, tie compound/carbon nano
The excellent low mill performance of pipe, graphene nano carbon material, forming graphene/carbon nano-tube/UHMWPE composite materials artificial close
Saving mortar has relatively low wear rate, substantially to extend its service life in human body complex physiologic environment.
Technical solution：In order to solve the above technical problems, following technical scheme can be used to realize in the present invention：A kind of low mill is super
The manufacturing process of High molecular weight polyethylene composite material hip cotyle, it is characterised in that：It is shaped using selective laser sintering technology
Low mill ultra-high molecular weight polyethylene composite material hip cotyle, includes the following steps：
(1) preparation of ultra-high molecular weight polyethylene composite granule：Graphene, carbon nanotube and super high molecular weight are weighed respectively
Graphene is placed in carbon nanotube powder in ethyl alcohol/cetyl benzenesulfonic acid sodium dispersant and surpasses by polyethylene powder
Sound disperses 30 minutes, obtains stable graphene/carbon nano-tube composite nano powder dispersion, then by superhigh molecular weight polyethylene
Alkene powder, which is placed in the graphene/carbon nano-tube composite nano powder dispersion, carries out ultrasonic agitation mixing 60 minutes
Afterwards, vacuum dried processing obtains ultra-high molecular weight polyethylene composite granule；
(2) hip cotyle model pre-treatment：D solid modeling is carried out to hip cotyle, and using road using CAD software
Diameter planning software carries out hierarchy slicing processing to it；
(3) selective laser sintering shapes：In selective laser sintering equipment, protective atmosphere is passed through, by medical pure titanium-base
After carrying out the pre-heat treatment, the ultra-high molecular weight polyethylene composite granule is shaped through selective laser sintering.
Further, in above-mentioned steps (1), the graphene mass percent is 1~15%, carbon nanotube mass percentage
Than being 1~15%, remaining as ultra-high molecular weight polyethylene.
Further, in above-mentioned steps (1), the vacuum drying treatment temperature is 40 DEG C, and drying time is 40 minutes.
Further, in above-mentioned steps (2), the thickness that the hip cotyle model carries out hierarchy slicing processing is 30 μ
m。
Further, in above-mentioned steps (3), the protective atmosphere be high purity argon, purity 99.99%.
Further, in above-mentioned steps (3), selective laser sintering forming, basal plate preheating temperature is 40~100
℃。
Further, in above-mentioned steps (3), selective laser sintering forming, laser power is 20~100W, is swashed
Optical scanning speed is 100~3000mm/s, and sweep span is 30~80 μm.
Prior art manufacture ultra-high molecular weight polyethylene artificial hip joint mortar is mainly obtained by compression moulding, need to be by superelevation
Molecular weight polyethylene powder realizes the mixing of both, for nanometer reinforcement, group with reinforcement by ball grinding method
Poly- effect is apparent, is difficult to powder being uniformly mixed by ball-milling method, easily causes the difference of micro-area composition after composite powder compression moulding
It is different, and then cause microstructure uneven and have an adverse effect to performance；Secondly, because the thermal conductivity of UHMWPE is extremely low, compacting
Forming easily make its at relatively high temperatures the residence time it is long and oxidative degradation occurs, cause the generation of chain-breaking reaction, formed containing double
Key, free radical etc. have human body the substance of potential hazard, and intergranular interface cannot completely eliminate in compacting process,
Easily cause fault of construction, and then lead to the decline of its performance；On the other hand, poor reinforcement/UHMWPE boundary moistures
Characteristic is unfavorable for the raising of its wearability.The manufacturing process of the present invention is special based on the excellent self-lubricating of graphene and carbon nanotube
Property, graphene, carbon nanotube and ultra-high molecular weight polyethylene are dispersed with stirring processing by simple liquid phase can directly obtain ball
The ultra-high molecular weight polyethylene composite material powder that shape degree is high, powder flowbility is excellent, and then ensure the powdering of follow-up SLS formings
The powder bed of even compact is provided, while to improve its wear-resisting property；In addition, graphene and carbon nanotube have excellent heat conduction
Performance helps to improve the thermal conductivity of melt in SLS forming processes, so effectively avoid its at high temperature the residence time it is longer
And lead to the decline of its performance.The present invention is based on the performance that graphene and carbon nanotube are excellent, innovatively with advanced SLS
Shape graphene/carbon nano-tube/UHMWPE Polysulfone Composite Hip Prosthesis mortars, not only improve its wear-resisting property, extend its
Service life in human body also achieves the precision manufactureing of artificial hip joint mortar.
In conclusion compared with prior art, the present invention has the following advantages and beneficial effects：
1st, forming technology is simple, of low cost.It is artificial using SLS forming graphene/carbon nano-tube/UHMWPE composite materials
Hip cotyle without compacting tool set and heating system, while without complicated post processing, is greatly reduced production cost, has good
Good economic benefit；
2nd, innovatively with the excellent thermal conduction characteristic of graphene and carbon nanotube, to promote UHMWPE Composite Melts
Heat conductivility, effectively avoid its at high temperature the residence time it is longer and lead to the decline of its performance, make artificial hip cotyle into
Shape performance is increased dramatically.
3rd, based on the excellent self-lubricating property of graphene and carbon nanotube, place is dispersed with stirring using simple and practicable liquid phase
Reason realizes the preparation of graphene/carbon nano-tube/UHMWPE composite granules, assigns the excellent mobility of powder and uniformity etc.
Advantage meets the needs of powder needed for SLS formings, to enhance the wearability and human body of UHMWPE Polysulfone Composite Hip Prosthesis mortars
Military service performance.
Description of the drawings
Fig. 1 is graphene/carbon nano-tube/UHMWPE Polysulfone Composite Hip Prosthesis mortars of the forming of embodiment 1 in human mould
Intend the friction coefficient figure in fluid environment；
Fig. 2 is graphene/carbon nano-tube/UHMWPE Polysulfone Composite Hip Prosthesis mortars of the forming of embodiment 1 in human mould
Intend the wear morphology figure in fluid environment；
Fig. 3 is graphene/carbon nano-tube/UHMWPE Polysulfone Composite Hip Prosthesis mortars of the forming of embodiment 2 in human mould
Intend the friction coefficient figure in fluid environment；
Fig. 4 is graphene/carbon nano-tube/UHMWPE Polysulfone Composite Hip Prosthesis mortars of the forming of embodiment 2 in human mould
Intend the wear morphology figure in fluid environment；
Fig. 5 is graphene/carbon nano-tube/UHMWPE Polysulfone Composite Hip Prosthesis mortars of the forming of embodiment 3 in human mould
Intend the friction coefficient figure in fluid environment；
Fig. 6 is graphene/carbon nano-tube/UHMWPE Polysulfone Composite Hip Prosthesis mortars of the forming of embodiment 3 in human mould
Intend the wear morphology figure in fluid environment；
Fig. 7 is graphene/carbon nano-tube/UHMWPE Polysulfone Composite Hip Prosthesis mortars of the forming of embodiment 4 in human mould
Intend the friction coefficient figure in fluid environment；
Fig. 8 is graphene/carbon nano-tube/UHMWPE Polysulfone Composite Hip Prosthesis mortars of the forming of embodiment 5 in human mould
Intend the wear morphology figure in fluid environment；
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following embodiment is only used for clearly illustrating
Technical scheme of the present invention, and be not intended to limit the protection scope of the present invention and limit the scope of the invention.
Embodiment 1
The low mill ultra-high molecular weight polyethylene composite material hip cotyle manufacturing process of the present invention, utilizes selective laser sintering
Technology shapes ultra-high molecular weight polyethylene composite material hip cotyle, and manufacturing process includes：
(1) preparation of ultra-high molecular weight polyethylene composite granule：It is 15% by graphene mass percent, Nanotube quality
Percentage is 15%, ultra-high molecular weight polyethylene mass percent is 70% to weigh graphene, carbon nanotube and superelevation point respectively
Sub- weight northylen powder, by graphene and carbon nanotube powder be placed in ethyl alcohol/cetyl benzenesulfonic acid sodium dispersant into
Row ultrasonic disperse 30 minutes, obtains stable graphene/carbon nano-tube composite nano powder dispersion, then by super high molecular weight
Polyethylene powder, which is placed in the graphene/carbon nano-tube composite nano powder dispersion, carries out 60 points of ultrasonic agitation mixing
Zhong Hou through 40 DEG C of vacuum drying treatments 40 minutes, obtains ultra-high molecular weight polyethylene composite granule；
(2) hip cotyle model pre-treatment：D solid modeling is carried out to hip cotyle, and using road using CAD software
Diameter planning software carries out it hierarchy slicing processing, and thickness is 30 μm；
(3) selective laser sintering shapes：In selective laser sintering equipment, it is passed through the high-purity argon that purity is 99.99%
Gas is protective atmosphere, and medical pure titanium-base is carried out 40 DEG C of preheating, and the ultra-high molecular weight polyethylene composite granule is being swashed
Luminous power is 20W, and laser scanning speed 100mm/s, sweep span is to be shaped under 30 μm of process conditions through selective laser sintering.
Embodiment 2
When present embodiment weighs in step (1) as different from Example 1, graphene mass percent is set as
8%th, Nanotube quality percentage is 8%, ultra-high molecular weight polyethylene mass percent is 84%；By laser in step (3)
Power setting is 60W, other are same as Example 1.
Embodiment 3
Present embodiment as different from Example 2 controls basal plate preheating temperature at 70 DEG C in step (3)；In step
(3) laser scanning spacing is set as 60 μm in, other are same as Example 2.
Embodiment 4
When present embodiment weighs in step (1) as different from Example 3, graphene mass percent is set as
1%th, Nanotube quality percentage is 1%, ultra-high molecular weight polyethylene mass percent is 98%；By laser in step (3)
Sweep speed is set as 1600mm/s；In step (3) by laser power settings be 100W, other are same as Example 3.
Embodiment 5
Basal plate preheating temperature is set as 100 DEG C by present embodiment in step (3) as different from Example 4, other
It is same as Example 4.
Comparative example
Wear rate of the ultra-high molecular weight polyethylene artificial joint mortar prepared using conventional thermocompression method in human body is about 9.8
±0.7mg/m3, abrasion is higher, and implant surrounding tissue is easily caused to infect, seriously reduces its service life in human body.
The method of the present invention is based on the excellent self-lubricating of graphene, carbon nanotube and heat conductivility, innovatively with first
Into selective laser sintering technology, shape graphene/carbon nano-tube/UHMWPE Polysulfone Composite Hip Prosthesis mortars of low mill, and
Wear-resisting property measure is carried out under human body simulation fluid environment to it, it is intended to its antiwear characteristic is compared, to prove the skill of the present invention
Art advantage.
It can significantly be found from Fig. 1,3,5 and 7, graphene/carbon nano-tube/UHMWPE Polysulfone Composite Hip Prosthesis mortars are in people
Friction coefficient under body simulated body fluid environment is smaller, and the fluctuation of friction coefficient is little, further illustrates the steady of its work
Property；From Fig. 2,4,6 and 8 as can be seen that graphene/carbon nano-tube/UHMWPE Polysulfone Composite Hip Prosthesis mortars are in human body simulation
Corroding under the reciprocation with wearing in fluid environment, the table after friction is still protected without the wear characteristics such as apparent polishing scratch and adherency
More complete initial surface is hold, there are good abrasion resistant qualities with its explanation.In addition, to different technical parameters forming
Wear-resisting property of the graphene/carbon nano-tube/UHMWPE Polysulfone Composite Hip Prosthesis mortar under human body simulation fluid environment carries out
It measures and evaluates, such as table 1, wear rate is far below ultra-high molecular weight polyethylene cotyla prepared by conventional thermocompression method, to illustrate base
There is higher wear-resisting property, energy in graphene/carbon nano-tube/UHMWPE Polysulfone Composite Hip Prosthesis mortar that the present invention shapes
Meet service demand of the high-performance artificial hip cotyle in human body.
The wear-resisting property of graphene/carbon nano-tube/UHMWPE Polysulfone Composite Hip Prosthesis mortars in 1 present invention of table
| Embodiment | Friction coefficient | Wear rate (mg/m3) |
| Embodiment 1 | 0.09±0.01 | 0.58±0.01 |
| Embodiment 2 | 0.05±0.01 | 0.21±0.01 |
| Embodiment 3 | 0.11±0.01 | 1.23±0.01 |
| Embodiment 4 | 0.18±0.01 | 1.81±0.01 |
| Embodiment 5 | 0.14±0.01 | 1.55±0.01 |
| Comparative example | 9.8±0.7 |
Under the conditions of suitable technological parameter, the high graphene/carbon nano-tube of wearability/UHMWPE composite materials can be obtained
Artificial hip joint mortar effectively avoids the UHMWPE particles because of abrasion from causing tissue infection, while can extend the military service in its human body
Service life.The present invention is based on the performances that graphene and carbon nanotube are excellent, shape graphite with advanced selective laser sintering technology
Alkene/carbon nanotube/UHMWPE Polysulfone Composite Hip Prosthesis mortars has good wearability；While forming technology is simple, cost
Cheap, the volume production for high-performance artificial hip cotyle provides technical guarantee.
Foregoing description is only the embodiment of the present invention, convenient for the R＆D personnel of the technical field understanding and make
With invention.Therefore, the present invention is not limited to above-described embodiment, those skilled in the art's announcement according to the present invention does not depart from this
Improvement, modification and the equivalent replacement that invention scope is made should be all included within protection scope of the present invention.
Claims (6)
1. a kind of manufacturing process of low mill ultra-high molecular weight polyethylene composite material hip cotyle, it is characterised in that：Utilize laser
The low mill ultra-high molecular weight polyethylene composite material hip cotyle of constituency sintering technology forming, includes the following steps：
（1）The preparation of ultra-high molecular weight polyethylene composite granule：Graphene, carbon nanotube and superhigh molecular weight polyethylene are weighed respectively
Alkene powder, the graphene mass percent is 1~15%, carbon nanotube mass percentage is 1~15%, remaining as supra polymer
Graphene and carbon nanotube powder are placed in ethyl alcohol/cetyl benzenesulfonic acid sodium dispersant and carry out ultrasound by weight northylen
Dispersion 30 minutes, obtains stable graphene/carbon nano-tube composite nano powder dispersion, then by ultra-high molecular weight polyethylene
Powder, which is placed in the graphene/carbon nano-tube composite nano powder dispersion, carries out ultrasonic agitation mixing after sixty minutes,
Vacuum dried processing obtains ultra-high molecular weight polyethylene composite granule；
（2）Hip cotyle model pre-treatment：D solid modeling is carried out to hip cotyle, and advise using path using CAD software
It draws software and hierarchy slicing processing is carried out to it；
（3）Selective laser sintering shapes：In selective laser sintering equipment, protective atmosphere is passed through, medical pure titanium-base is carried out
After the pre-heat treatment, the ultra-high molecular weight polyethylene composite granule is shaped through selective laser sintering.
2. a kind of manufacturing process of low mill ultra-high molecular weight polyethylene composite material hip cotyle according to claim 1,
It is characterized in that：Above-mentioned steps（1）In, the vacuum drying treatment temperature is 40 °C, and drying time is 40 minutes.
3. a kind of manufacturing process of low mill ultra-high molecular weight polyethylene composite material hip cotyle according to claim 1,
It is characterized in that：Above-mentioned steps（2）In, the thickness that the hip cotyle model carries out hierarchy slicing processing is 30 μm.
4. a kind of manufacturing process of low mill ultra-high molecular weight polyethylene composite material hip cotyle according to claim 1,
It is characterized in that：Above-mentioned steps（3）In, the protective atmosphere be high purity argon, purity 99.99%.
5. a kind of manufacturing process of low mill ultra-high molecular weight polyethylene composite material hip cotyle according to claim 1,
It is characterized in that：Above-mentioned steps（3）In, selective laser sintering forming, basal plate preheating temperature is 40~100 °C.
6. a kind of manufacturing process of low mill ultra-high molecular weight polyethylene composite material hip cotyle according to claim 1,
It is characterized in that：Above-mentioned steps（3）In, the selective laser sintering forming, laser power be 20~100W, laser scanning
Speed is 100~3000 mm/s, and sweep span is 30~80 μm.
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| CN102417643A (en) * | 2011-10-17 | 2012-04-18 | 佛山市日丰企业有限公司 | Grapheme-containing reinforced wear-resistant material composition, reinforced wear-resistant material and preparation method thereof |
| CN106068132A (en) * | 2013-09-12 | 2016-11-02 | R·夏维特 | Liner for the wearability with improvement of Medical joint implant |
| CN104356481A (en) * | 2014-11-08 | 2015-02-18 | 江南大学 | Preparation method of composite material and composite material |
| CN104592614A (en) * | 2015-01-26 | 2015-05-06 | 清华大学深圳研究生院 | Ultra-high molecular weight polyethylene composite material and preparation method thereof |
| CN105031721A (en) * | 2015-06-16 | 2015-11-11 | 江南大学 | Preparation method and application of hip joint socket |
| CN105172154A (en) * | 2015-10-23 | 2015-12-23 | 北京隆源自动成型系统有限公司 | Selected region laser sintering and molding method of ultrahigh molecular weight polyethylene |
| CN105713217A (en) * | 2016-04-20 | 2016-06-29 | 江南大学 | Method for preparing anti-oxidation anti-wear ultrahigh molecular weight polyethylene composite material |
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