CN1326724A - precise die forging method for producing titanium alloy artificial joint - Google Patents
precise die forging method for producing titanium alloy artificial joint Download PDFInfo
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- CN1326724A CN1326724A CN 00136508 CN00136508A CN1326724A CN 1326724 A CN1326724 A CN 1326724A CN 00136508 CN00136508 CN 00136508 CN 00136508 A CN00136508 A CN 00136508A CN 1326724 A CN1326724 A CN 1326724A
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- titanium alloy
- polishing
- artificial joint
- mould
- forging
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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
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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- Forging (AREA)
Abstract
The precise die forging process of titanium alloy artificial joint includes mechanical laying off medical titanium alloy TC4 rod, polishing to elimiante surface default, spraying glass lubricant after being heated to 160-200 deg.c; heating at 860-930 deg.c inside one electric furnace and maintaining for 15-30 min; initial die forging; blasting to remove surface oxide layer; polishing or removed surface default; spraying glass lubricant for the second time after being heated to 160-200 deg.c; heating to 900-950 deg.c inside one electrical furnace and maintaining for 15-30 min; die pressing to form; eliminating burr with mold in punch; annealing; eliminating surface oxide layer; polishing to elimiante burr, integral chemical etching; and final fine polishing.
Description
The present invention relates to the manufacture method that a kind of titanium alloy material forges artificial joint.
At present, mostly domestic, foreign-made titanium alloy artificial joint is to make with casting method, is that fused titanium alloy melting liquid is injected in the shell mould, makes liquation riddle in the shell mould, treats after its cooling the shell mould to be broken into pieces, promptly gets an artificial joint.This foundry engieering is difficulty very, needs to cast under vacuum state, and its cycle is long, efficient is low, cost is high, and the artificial joint inferior quality that casts out, and far can not reach the clinical medicine requirement.Because titanium alloy melting liquid is mobile poor, be difficult to be full of at short notice in the whole shell mould.Delay then melt temperature as the time one and reduce, liquation can solidify because of cooling, and often previous liquation solidifies earlier when liquation flows, and it is bad to cause casting to merge, generation crack or pore.Even the foundry goods that suitable operation obtained, its internal microstructure also are difficult to meet the requirements.Its mechanical performance and quality thereof are all inferior than forge piece.
The objective of the invention is to propose a kind of precise die forging method for producing titanium alloy artificial joint.That this method can make is high-quality, high-mechanical property, all kinds of artificial jointes made with titanium alloy material.
Another object of the present invention provides a kind of fusion defective (crack, pore etc.) that foundry goods easily produces of improving, and makes it obtain high-quality artificial joint.
A further object of the present invention provides a kind of die forging method, and the heating-up temperature by control forging dies number of times, control titanium alloy material can obtain the artificial joint material internal organizational structure and meet the clinical medicine requirement.
Secondary objective of the present invention provides a kind of glass lubricating fluid, is sprayed on the forging material surface, can prevent material oxidation, makes it need not to operate under vacuum state when forging, and production efficiency improves greatly.
Technical solution of the present invention:
A kind of precise die forging method for producing titanium alloy artificial joint is characterized in that:
A, get medical titanium alloy TC4 bar, with the section material that becomes fixed length under the mechanical system;
B, get rid of defectives such as blank surface pit, crackle with polishing process;
C, blank is heated to 160-200 ℃ of spraying glass lubricants, wait to do in the electric furnace of back and heat, be incubated taking-ups in 15-30 minutes, carry out first forging in the mould to 860-930 ℃;
Surface oxide layer is removed in d, shot-peening or sandblast, heats to 160-200 ℃ after the polishing blemish again, for the second time spray glass lubricant, heat in the electric furnace, be incubated 15-30 minutes to 900-950 ℃, forging forming in the mould impacts overlap with mould while hot on punch press;
E, annealing in process are eliminated internal stress, make the material inside organization recrystallize;
F, sandblast or shot-peening are removed surface oxide layer, and the polishing overlap is slick and sly with the overlap finishing;
G, overall chemical corrosion;
H, with non-machining surface, on belt sander or use other polishing process, be ground to corresponding size, machined and finishing polish promptly get titanium alloy artificial joint finished product of the present invention again.
Feature of the present invention is the method that changes casting processing artificial joint with forging method, by control forging dies number of times, control heating-up temperature, be aided with and use glass lubricant to replace the operation under the vacuum state, promptly obtain titanium alloy artificial joint high-quality, high yield.The difficulty that the invention solves the many disadvantages of cast titanium alloy artificial joint and need to process at vacuum state, use precision die forging production instead and can avoid the many disadvantages of Foundry Production fully, and need not under vacuum state, to operate, can raise the efficiency greatly, make cost reduce the far super foundry goods of the quality of its forging and mechanical performance.
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is the artificial joint of a present invention semi-finished product sketch map.
Fig. 2 is the artificial joint of a present invention finished product sketch map.
Manufacture method of the present invention is as follows:
A, get medical titanium alloy TC4 bar, with the section material that becomes fixed length under the mechanical system.
B, get rid of blank surface defective (pit, crackle etc.) with polishing process.
C, blank is heated to 160-200 ℃ (best 180 ℃) spraying glass lubricants, wait to do and heat in the electric furnace of back to 860-930 ℃ (best 890 ℃), take out (best 20 minutes) be incubated 15-30 minutes, carries out forging just in the mould.
D, shot-peening or sandblast, remove surface oxide layer, heat again after the polishing blemish to 160-200 ℃ (best 180 ℃), spray for the second time glass lubricant, heat in the electric furnace to 900-950 ℃, be incubated 15-30 minutes (best 20 minutes), forging forming in the mould impacts overlap with mould while hot on punch press.
E, annealing in process are eliminated internal stress, make the material inside organization recrystallize.
F, sandblast or shot-peening are removed surface oxide layer, and the polishing overlap is slick and sly with the overlap finishing.
G, overall chemical corrosion.
H, with non-machining surface, on belt sander or use other polishing process, be ground to corresponding size, machined and finishing polish promptly get titanium alloy artificial joint finished product of the present invention again.
Embodiment:
Get medical TC4 bar, diameter phi 30, with excellent shearing machine or lathe blanking (annotating: forbid using the emery wheel cutting stock), cutting length, blanking 115 ± 1mm of a die forging in this way, a die forging is two in this way, then blanking 198 ± 1mm checks institute blanking surface, if any defectives such as crackle or pits, need defective to be got rid of, and remove the greasy dirt of material surface with the method for polishing.The section material is put in the clean rustless steel pallet then, to expect that warm fire is heated to about 180 ℃, leave burning things which may cause a fire disaster and promptly spray a kind of resistant to elevated temperatures glass lubricant (equably with all material surface spraying one deck), after treating that lubricant is done admittedly, material is sent in the electric furnace that is warming up to about 890 ℃ together with the rustless steel pallet, be incubated 20 minutes, put into mould by the taking-up of part and be swaged into semi-finished product.As Fig. 1.
With semi-finished product forging shot-peening or sandblast, remove descale, check that φ 16 positions have non-wrinkled.Need sanding of flat if any, gauffer, spray the glass lubricating fluid more as stated above, treat lubricant do solid after, forging is sent in the electric furnace that is warming up to 900-950 ℃ together with pallet, be incubated 20 minutes, put into the molding of mould finish forge by the part taking-up again.As Fig. 2.
Forging after the molding is put into mould while hot, cuts overlap on punch press, and the molding forging that will cut overlap then carries out annealing in process, and the annealing standard is 710-800 ℃, is incubated 1 hour, air cooling (furnace temperature temperature-controlled precision ± 10 ℃).The annealing purpose is to eliminate internal stress, makes material inside organization meet the mirror requirement mutually of clinical medicine.
After above-mentioned operation was finished, promptly available polisher was slick and sly with the finishing of overlap position, and integral body is used chemical attack again, removes surface oxide layer (wanting etching off 0.5mm at least).After the corrosion, carry out the polishing (staying 0.2mm polishing surplus) at non-machined position with belt sander or other milling tools.Forging after the polishing is clamped on lathe, the milling machine and need carries out machining by working position with special fixture, carries out finishing polish at last on buffing machine, promptly gets high-quality titanium alloy artificial joint.
Claims (3)
1, a kind of precise die forging method for producing titanium alloy artificial joint is characterized in that:
A, get medical titanium alloy TC4 bar, with the section material that becomes fixed length under the mechanical system;
B, get rid of defectives such as blank surface pit, crackle with polishing process;
C, blank is heated to 160-200 ℃ of spraying glass lubricants, wait to do in the electric furnace of back and heat, be incubated taking-ups in 15-30 minutes, carry out first forging in the mould to 860-930 ℃;
Surface oxide layer is removed in d, shot-peening or sandblast, heats to 160-200 ℃ after the polishing blemish again, for the second time spray glass lubricant, heat in the electric furnace, be incubated 15-30 minutes to 900-950 ℃, forging forming in the mould impacts overlap with mould while hot on punch press;
E, annealing in process are eliminated internal stress, make the material inside organization recrystallize;
F, sandblast or shot-peening are removed surface oxide layer, and the polishing overlap is slick and sly with the overlap finishing;
G, overall chemical corrosion;
H, with non-machining surface, on belt sander or use other polishing process, be ground to corresponding size, machined and finishing polish promptly get titanium alloy artificial joint finished product of the present invention again.
2, by the described precise die forging method for producing titanium alloy artificial joint of claim 1, it is characterized in that in the described c step, blank is heated to 180 ℃ of spraying glass lubricants, wait to do in the electric furnace of back and heat, be incubated taking-up in 20 minutes, carry out in the mould just forging to 890 ℃.
3, by the described precise die forging method for producing titanium alloy artificial joint of claim 1, it is characterized in that in the described d step, heat again to 180 ℃ after the polishing blemish, spray for the second time glass lubricant, heat in the electric furnace to 900-950 ℃, be incubated 20 minutes, forging forming in the mould impacts overlap with mould while hot on punch press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001365088A CN1155348C (en) | 2000-12-28 | 2000-12-28 | Precise die forging method for producing titanium alloy artificial joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001365088A CN1155348C (en) | 2000-12-28 | 2000-12-28 | Precise die forging method for producing titanium alloy artificial joint |
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| CN1326724A true CN1326724A (en) | 2001-12-19 |
| CN1155348C CN1155348C (en) | 2004-06-30 |
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| CNB001365088A Expired - Fee Related CN1155348C (en) | 2000-12-28 | 2000-12-28 | Precise die forging method for producing titanium alloy artificial joint |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100493828C (en) * | 2004-11-16 | 2009-06-03 | 中国航空工业第一集团公司北京航空材料研究院 | Extrusion-forging composite forming process |
| CN101157172B (en) * | 2007-10-19 | 2010-09-01 | 宝鸡市英耐特医用钛有限公司 | Method of preparing medical high-precision titanium and titanium alloy rod bar |
| CN101693279B (en) * | 2009-10-20 | 2012-05-02 | 西安西工大超晶科技发展有限责任公司 | Upsetting and extruding precision die-forging forming method for large titanium alloy deep tube parts |
| CN102441630A (en) * | 2011-09-15 | 2012-05-09 | 河南理工大学 | Near-net forming method for aluminum alloy part of human artificial limb knee joint |
| CN102581185A (en) * | 2011-01-05 | 2012-07-18 | 山西泰舆生物材料有限公司 | Manufacturing process for titanium alloy precisely-forged hip joint prosthesis material |
| CN102724839A (en) * | 2011-03-29 | 2012-10-10 | 比亚迪股份有限公司 | Manufacturing method for metal shell of electronic product |
| CN102909524A (en) * | 2011-08-03 | 2013-02-06 | 靖江市海源有色金属材料有限公司 | Process for manufacturing cranks capable of automatically opening and closing |
| CN103659186A (en) * | 2013-12-06 | 2014-03-26 | 中国航空工业集团公司北京航空材料研究院 | Medical titanium alloy artificial joint precise forging method |
| CN108354695A (en) * | 2018-02-13 | 2018-08-03 | 宝鸡市英耐特医用钛有限公司 | A kind of titanium alloy human body shoulder joint prefabricated blank |
| CN111166533A (en) * | 2019-12-30 | 2020-05-19 | 天衍医疗器材有限公司 | Process for preparing surface-replaced femoral head and femoral head |
| CN111690940A (en) * | 2020-06-29 | 2020-09-22 | 无锡航亚科技股份有限公司 | Optimization process for manufacturing blank surface based on medical hip joint handle |
| CN112792273A (en) * | 2020-12-15 | 2021-05-14 | 东莞市新美洋技术有限公司 | Titanium alloy forging method, titanium alloy watch back shell and manufacturing method thereof |
| CN114986099A (en) * | 2022-06-13 | 2022-09-02 | 江苏翔淳科技有限公司 | Machining and manufacturing method of inclined branch pipe table |
-
2000
- 2000-12-28 CN CNB001365088A patent/CN1155348C/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100493828C (en) * | 2004-11-16 | 2009-06-03 | 中国航空工业第一集团公司北京航空材料研究院 | Extrusion-forging composite forming process |
| CN101157172B (en) * | 2007-10-19 | 2010-09-01 | 宝鸡市英耐特医用钛有限公司 | Method of preparing medical high-precision titanium and titanium alloy rod bar |
| CN101693279B (en) * | 2009-10-20 | 2012-05-02 | 西安西工大超晶科技发展有限责任公司 | Upsetting and extruding precision die-forging forming method for large titanium alloy deep tube parts |
| CN102581185A (en) * | 2011-01-05 | 2012-07-18 | 山西泰舆生物材料有限公司 | Manufacturing process for titanium alloy precisely-forged hip joint prosthesis material |
| CN102724839B (en) * | 2011-03-29 | 2016-03-30 | 比亚迪股份有限公司 | A kind of preparation method of metal shell of electronic product |
| CN102724839A (en) * | 2011-03-29 | 2012-10-10 | 比亚迪股份有限公司 | Manufacturing method for metal shell of electronic product |
| CN102909524A (en) * | 2011-08-03 | 2013-02-06 | 靖江市海源有色金属材料有限公司 | Process for manufacturing cranks capable of automatically opening and closing |
| CN102441630A (en) * | 2011-09-15 | 2012-05-09 | 河南理工大学 | Near-net forming method for aluminum alloy part of human artificial limb knee joint |
| CN102441630B (en) * | 2011-09-15 | 2013-08-14 | 河南理工大学 | Near net shape process for aluminum alloy parts of prosthetic knee of human body |
| CN103659186A (en) * | 2013-12-06 | 2014-03-26 | 中国航空工业集团公司北京航空材料研究院 | Medical titanium alloy artificial joint precise forging method |
| CN103659186B (en) * | 2013-12-06 | 2016-03-30 | 中国航空工业集团公司北京航空材料研究院 | A kind of medical titanium alloy joint prosthesis precision forging method |
| CN108354695A (en) * | 2018-02-13 | 2018-08-03 | 宝鸡市英耐特医用钛有限公司 | A kind of titanium alloy human body shoulder joint prefabricated blank |
| CN111166533A (en) * | 2019-12-30 | 2020-05-19 | 天衍医疗器材有限公司 | Process for preparing surface-replaced femoral head and femoral head |
| CN111690940A (en) * | 2020-06-29 | 2020-09-22 | 无锡航亚科技股份有限公司 | Optimization process for manufacturing blank surface based on medical hip joint handle |
| CN111690940B (en) * | 2020-06-29 | 2022-09-16 | 无锡航亚科技股份有限公司 | Optimization process for manufacturing blank surface based on medical hip joint handle |
| CN112792273A (en) * | 2020-12-15 | 2021-05-14 | 东莞市新美洋技术有限公司 | Titanium alloy forging method, titanium alloy watch back shell and manufacturing method thereof |
| CN112792273B (en) * | 2020-12-15 | 2022-08-12 | 东莞市新美洋技术有限公司 | Titanium alloy forging method, titanium alloy watch back shell and manufacturing method thereof |
| CN114986099A (en) * | 2022-06-13 | 2022-09-02 | 江苏翔淳科技有限公司 | Machining and manufacturing method of inclined branch pipe table |
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| Publication number | Publication date |
|---|---|
| CN1155348C (en) | 2004-06-30 |
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