CN108838340A - A kind of method for processing noble metal - Google Patents
A kind of method for processing noble metal Download PDFInfo
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- CN108838340A CN108838340A CN201810683437.8A CN201810683437A CN108838340A CN 108838340 A CN108838340 A CN 108838340A CN 201810683437 A CN201810683437 A CN 201810683437A CN 108838340 A CN108838340 A CN 108838340A
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- noble metal
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- degrees celsius
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/18—Finishing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/14—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of noble metals or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
Abstract
The invention discloses a kind of method for processing noble metal, include the following steps：Noble metal is subjected to cutting process, then the noble metal after cutting is placed in smelting furnace and carries out melting, after it melts completely, to obtain potting syrup, potting syrup is uniformly slowly poured into noble metal mold, and disposal pouring is needed to complete, in casting, noble metal mold need to be carried out changing weak vibrations, then it is formed in 100-150 degrees Celsius of environment, it places it in again and carries out cooling treatment in normal temperature environment, and it is surface-treated, after processing is completed, it places it in electrolytic cell again, and electrolyte is added thereto, and it is electrolysed in 40-55 degrees Celsius of environment, after the completion, it places it in pure water and is repeatedly cleared up again.The present invention is by a series of processing to precious metal surface, so as to improve the glossiness on its surface, and after prolonged use, can reduce the abrasion of noble metal, improves its quality.
Description
Technical field
The present invention relates to metal working technical area more particularly to a kind of method for processing noble metal.
Background technique
Noble metal craftwork refers to using noble metals such as gold, silver as carrier, by creative design and modern crafts by noble metal
Cultural creative product made of merging with Chinese culture, product have distinct cultural feature, show higher design valence
Value, technique value and memorial value.It can be divided into according to material:Proof gold product, fine silver product and gold and silver mosaic work etc.；According to production
Product form, main forms have：Coin, chapter, item, brick and 3 D stereo class etc..Not with the demand to noble metal craftwork
It is disconnected to increase, and in the prior art, demand is no longer satisfied to its processing, and the surface gloss processed is insufficient.For this purpose, I
Propose a kind of method for processing noble metal.
Summary of the invention
The invention proposes a kind of method for processing noble metal, to solve the problems mentioned in the above background technology.
The invention proposes a kind of method for processing noble metal, include the following steps：
S1：Embryo figure is designed according to the noble metal products of required processing, noble metal mold is made according to embryo figure, and by noble metal mold
It is repeatedly washed, to remove the impurity on its surface；
S2：By treated in S1, noble metal mould inner wall is processed by shot blasting, in polishing, need to successively carry out diamond grain polishing
Processing and fiber wheel polishing treatment, and polish temperature is 60-90 degrees Celsius, after the completion of polishing, need to guarantee the smoothness of its inner wall；
S3：Then in its inner wall surface even application remover, and noble metal mould inner wall need to be completely covered for release agent, and will
It is spare that it is placed in flash baking in gnotobasis；
S4：Noble metal is chosen, and noble metal is subjected to cutting process, so that multiple fritters are cut to, after then cutting
Noble metal be placed in smelting furnace and carry out melting, after it melts completely, the impurity in solution is filtered, to be poured
Fluid injection；
S5：In the potting syrup formed in S4 is uniformly slowly poured into in S3 treated noble metal mold, and need disposable
Casting complete need to carry out noble metal mold to change weak vibrations, to accelerate the flowing of potting syrup, then exist in casting
It is formed in 100-150 degrees Celsius of environment, after its first one-step forming, then places it in normal temperature environment and carry out cooling place
Reason；
S6：Restore after noble metal to room temperature, be drawn off, and be surface-treated, after processing is completed, is placed it in again
In electrolytic cell, and electrolyte is added thereto, and electrolyte need to cover noble metal, and carry out in 40-55 degrees Celsius of environment
Electrolysis, and electrolysis time is 4-7min, size of current 6-9mA/cm2, after the completion, it is more that progress in pure water is placed it in again
Secondary cleaning arrives objects made from precious metals after drying.
Preferably, the surface treatment in S6, specific step is as follows：
A, noble metal is placed in and is again placed on fine polishing machine, and sanding and polishing is carried out to its surface projections, polished
In the process, it need to guarantee that precious metal surface temperature is no more than 100 degrees Celsius；
B, tempering 10-25s will be carried out in treated in A noble metal again 150-250 degrees Celsius of environment, then placed it in
In normal-temperature water, after its temperature is reduced to 50-65 degrees Celsius, places it in 300-450 degrees Celsius of environment and returned again
Then fiery 5-9s is placed it in cooling in room temperature；
C is placed it in surface treatment pond, and add surface treatment liquid thereto, and table again after the completion of noble metal tempering
Surface treatment liquid need to cover noble metal, and 20-35min is then placed under conditions of 50-80 degrees Celsius, in the process, need to be to expensive
Metal is slowly stirred.
Preferably, it in S1, also needs for noble metal mold to be placed in 200-300 degrees Celsius of environment and carries out preheating 30-
Noble metal mold is quickly placed in cooling in normal-temperature water, so as to guarantee its safety used after the completion by 45s.
Preferably, it when being tempered in B, also needs to be passed through nitrogen either ammonia thereto, so as to noble metal
It is protected.
Preferably, the remover in S3 is specially the mixing of paraffin, aliphatic dibasic esters, smokeless sulfuric acid and oxidant
Object, and paraffin, aliphatic dibasic esters, smokeless sulfuric acid and oxidant molal weight ratio be 4：1：1：0.1.
Preferably, the noble metal is gold, silver, platinum either palladium race metal.
Preferably, surface treatment liquid is specially the mixed of phosphoric acid, ethyl alcohol, nitric acid, anionic surfactant and complexing agent
Close object, and phosphoric acid, ethyl alcohol, nitric acid, anionic surfactant and complexing agent molal weight ratio be 1：1：2：0.5：0.1.
A kind of method for processing noble metal proposed by the present invention, beneficial effect are：The method for processing noble metal passes through to mould
The processing of tool so as to improve the service life of mold and the efficiency of demoulding, and ensure that the quality of objects made from precious metals,
In process, by a series of processing to precious metal surface, so as to improve the glossiness on its surface, and for a long time
After use, the abrasion of noble metal can reduce, improve its quality, it is suitable for large-scale promotion.
Specific embodiment
It is next combined with specific embodiments below that the present invention will be further described.
Embodiment 1
The invention proposes a kind of method for processing noble metal, include the following steps：
S1：Embryo figure is designed according to the noble metal products of required processing, noble metal mold is made according to embryo figure, and by noble metal mold
Repeatedly washed, to remove the impurity on its surface, also need for noble metal mold to be placed in carried out in 200 degrees Celsius of environment it is pre-
Noble metal mold is quickly placed in cooling in normal-temperature water, so as to guarantee its safety used after the completion by hot 30s；
S2：By treated in S1, noble metal mould inner wall is processed by shot blasting, in polishing, need to successively carry out diamond grain polishing
Processing and fiber wheel polishing treatment, and polish temperature is 60 degrees Celsius, after the completion of polishing, need to guarantee the smoothness of its inner wall；
S3：Then in its inner wall surface even application remover, and noble metal mould inner wall need to be completely covered for release agent, demoulding
Agent is specially the mixture of paraffin, aliphatic dibasic esters, smokeless sulfuric acid and oxidant, and paraffin, aliphatic dibasic esters, smokeless
The molal weight of sulfuric acid and oxidant ratio is 4：1：1：0.1, and it is spare to place it in flash baking in gnotobasis；
S4：Noble metal is chosen, and noble metal is gold, silver, platinum either palladium race metal, and noble metal is carried out cutting process,
To be cut to multiple fritters, then the noble metal after cutting is placed in smelting furnace and carries out melting, melted completely to it
Afterwards, the impurity in solution is filtered, to obtain potting syrup；
S5：In the potting syrup formed in S4 is uniformly slowly poured into in S3 treated noble metal mold, and need disposable
Casting complete need to carry out noble metal mold to change weak vibrations, to accelerate the flowing of potting syrup, then 100 in casting
Degree Celsius environment in formed, after its first one-step forming, then place it in and carry out cooling treatment in normal temperature environment；
S6：Restore after noble metal to room temperature, be drawn off, and be surface-treated, after processing is completed, is placed it in again
In electrolytic cell, and electrolyte is added thereto, and electrolyte need to cover noble metal, and electricity is carried out in 40 degrees Celsius of environment
Solution, and electrolysis time is 4min, size of current 6mA/cm2, after the completion, it is repeatedly clear that progress in pure water is placed it in again
Reason arrives objects made from precious metals after drying.
Surface treatment in S6, specific step is as follows：
A, noble metal is placed in and is again placed on fine polishing machine, and sanding and polishing is carried out to its surface projections, polished
In the process, it need to guarantee that precious metal surface temperature is no more than 100 degrees Celsius；
B, tempering 10s will be carried out in treated in A noble metal again 150 degrees Celsius of environment, then places it in normal-temperature water
In, it after its temperature is reduced to 50 degrees Celsius, places it in carry out tempering 5s in 300 degrees Celsius of environment again, then by it
It is placed in cooling in room temperature, when being tempered, also needs to be passed through nitrogen either ammonia thereto, so as to carry out noble metal
Protection；
C is placed it in surface treatment pond, and add surface treatment liquid thereto, and table again after the completion of noble metal tempering
Surface treatment liquid need to cover noble metal, and surface treatment liquid is specially phosphoric acid, ethyl alcohol, nitric acid, anionic surfactant and complexing
The mixture of agent, and phosphoric acid, ethyl alcohol, nitric acid, anionic surfactant and complexing agent molal weight ratio be 1：1：2：
0.5：0.1,20min then is placed under conditions of 50 degrees Celsius, in the process, noble metal need to be slowly stirred.
Embodiment 2
The invention proposes a kind of method for processing noble metal, include the following steps：
S1：Embryo figure is designed according to the noble metal products of required processing, noble metal mold is made according to embryo figure, and by noble metal mold
Repeatedly washed, to remove the impurity on its surface, also need for noble metal mold to be placed in carried out in 240 degrees Celsius of environment it is pre-
Noble metal mold is quickly placed in cooling in normal-temperature water, so as to guarantee its safety used after the completion by hot 35s；
S2：By treated in S1, noble metal mould inner wall is processed by shot blasting, in polishing, need to successively carry out diamond grain polishing
Processing and fiber wheel polishing treatment, and polish temperature is 70 degrees Celsius, after the completion of polishing, need to guarantee the smoothness of its inner wall；
S3：Then in its inner wall surface even application remover, and noble metal mould inner wall need to be completely covered for release agent, demoulding
Agent is specially the mixture of paraffin, aliphatic dibasic esters, smokeless sulfuric acid and oxidant, and paraffin, aliphatic dibasic esters, smokeless
The molal weight of sulfuric acid and oxidant ratio is 4：1：1：0.1, and it is spare to place it in flash baking in gnotobasis；
S4：Noble metal is chosen, and noble metal is gold, silver, platinum either palladium race metal, and noble metal is carried out cutting process,
To be cut to multiple fritters, then the noble metal after cutting is placed in smelting furnace and carries out melting, melted completely to it
Afterwards, the impurity in solution is filtered, to obtain potting syrup；
S5：In the potting syrup formed in S4 is uniformly slowly poured into in S3 treated noble metal mold, and need disposable
Casting complete need to carry out noble metal mold to change weak vibrations, to accelerate the flowing of potting syrup, then 120 in casting
Degree Celsius environment in formed, after its first one-step forming, then place it in and carry out cooling treatment in normal temperature environment；
S6：Restore after noble metal to room temperature, be drawn off, and be surface-treated, after processing is completed, is placed it in again
In electrolytic cell, and electrolyte is added thereto, and electrolyte need to cover noble metal, and electricity is carried out in 45 degrees Celsius of environment
Solution, and electrolysis time is 5min, size of current 7mA/cm2, after the completion, it is repeatedly clear that progress in pure water is placed it in again
Reason arrives objects made from precious metals after drying.
Surface treatment in S6, specific step is as follows：
A, noble metal is placed in and is again placed on fine polishing machine, and sanding and polishing is carried out to its surface projections, polished
In the process, it need to guarantee that precious metal surface temperature is no more than 100 degrees Celsius；
B, tempering 15s will be carried out in treated in A noble metal again 180 degrees Celsius of environment, then places it in normal-temperature water
In, it after its temperature is reduced to 55 degrees Celsius, places it in carry out tempering 6s in 350 degrees Celsius of environment again, then by it
It is placed in cooling in room temperature, when being tempered, also needs to be passed through nitrogen either ammonia thereto, so as to carry out noble metal
Protection；
C is placed it in surface treatment pond, and add surface treatment liquid thereto, and table again after the completion of noble metal tempering
Surface treatment liquid need to cover noble metal, and surface treatment liquid is specially phosphoric acid, ethyl alcohol, nitric acid, anionic surfactant and complexing
The mixture of agent, and phosphoric acid, ethyl alcohol, nitric acid, anionic surfactant and complexing agent molal weight ratio be 1：1：2：
0.5：0.1,25min then is placed under conditions of 60 degrees Celsius, in the process, noble metal need to be slowly stirred.
Embodiment 3
The invention proposes a kind of method for processing noble metal, include the following steps：
S1：Embryo figure is designed according to the noble metal products of required processing, noble metal mold is made according to embryo figure, and by noble metal mold
Repeatedly washed, to remove the impurity on its surface, also need for noble metal mold to be placed in carried out in 270 degrees Celsius of environment it is pre-
Noble metal mold is quickly placed in cooling in normal-temperature water, so as to guarantee its safety used after the completion by hot 40s；
S2：By treated in S1, noble metal mould inner wall is processed by shot blasting, in polishing, need to successively carry out diamond grain polishing
Processing and fiber wheel polishing treatment, and polish temperature is 80 degrees Celsius, after the completion of polishing, need to guarantee the smoothness of its inner wall；
S3：Then in its inner wall surface even application remover, and noble metal mould inner wall need to be completely covered for release agent, demoulding
Agent is specially the mixture of paraffin, aliphatic dibasic esters, smokeless sulfuric acid and oxidant, and paraffin, aliphatic dibasic esters, smokeless
The molal weight of sulfuric acid and oxidant ratio is 4：1：1：0.1, and it is spare to place it in flash baking in gnotobasis；
S4：Noble metal is chosen, and noble metal is gold, silver, platinum either palladium race metal, and noble metal is carried out cutting process,
To be cut to multiple fritters, then the noble metal after cutting is placed in smelting furnace and carries out melting, melted completely to it
Afterwards, the impurity in solution is filtered, to obtain potting syrup；
S5：In the potting syrup formed in S4 is uniformly slowly poured into in S3 treated noble metal mold, and need disposable
Casting complete need to carry out noble metal mold to change weak vibrations, to accelerate the flowing of potting syrup, then 140 in casting
Degree Celsius environment in formed, after its first one-step forming, then place it in and carry out cooling treatment in normal temperature environment；
S6：Restore after noble metal to room temperature, be drawn off, and be surface-treated, after processing is completed, is placed it in again
In electrolytic cell, and electrolyte is added thereto, and electrolyte need to cover noble metal, and electricity is carried out in 50 degrees Celsius of environment
Solution, and electrolysis time is 6min, size of current 8mA/cm2, after the completion, it is repeatedly clear that progress in pure water is placed it in again
Reason arrives objects made from precious metals after drying.
Surface treatment in S6, specific step is as follows：
A, noble metal is placed in and is again placed on fine polishing machine, and sanding and polishing is carried out to its surface projections, polished
In the process, it need to guarantee that precious metal surface temperature is no more than 100 degrees Celsius；
B, tempering 20s will be carried out in treated in A noble metal again 210 degrees Celsius of environment, then places it in normal-temperature water
In, it after its temperature is reduced to 60 degrees Celsius, places it in carry out tempering 8s in 400 degrees Celsius of environment again, then by it
It is placed in cooling in room temperature, when being tempered, also needs to be passed through nitrogen either ammonia thereto, so as to carry out noble metal
Protection；
C is placed it in surface treatment pond, and add surface treatment liquid thereto, and table again after the completion of noble metal tempering
Surface treatment liquid need to cover noble metal, and surface treatment liquid is specially phosphoric acid, ethyl alcohol, nitric acid, anionic surfactant and complexing
The mixture of agent, and phosphoric acid, ethyl alcohol, nitric acid, anionic surfactant and complexing agent molal weight ratio be 1：1：2：
0.5：0.1,30min then is placed under conditions of 70 degrees Celsius, in the process, noble metal need to be slowly stirred.
Embodiment 4
The invention proposes a kind of method for processing noble metal, include the following steps：
S1：Embryo figure is designed according to the noble metal products of required processing, noble metal mold is made according to embryo figure, and by noble metal mold
Repeatedly washed, to remove the impurity on its surface, also need for noble metal mold to be placed in carried out in 300 degrees Celsius of environment it is pre-
Noble metal mold is quickly placed in cooling in normal-temperature water, so as to guarantee its safety used after the completion by hot 45s；
S2：By treated in S1, noble metal mould inner wall is processed by shot blasting, in polishing, need to successively carry out diamond grain polishing
Processing and fiber wheel polishing treatment, and polish temperature is 90 degrees Celsius, after the completion of polishing, need to guarantee the smoothness of its inner wall；
S3：Then in its inner wall surface even application remover, and noble metal mould inner wall need to be completely covered for release agent, demoulding
Agent is specially the mixture of paraffin, aliphatic dibasic esters, smokeless sulfuric acid and oxidant, and paraffin, aliphatic dibasic esters, smokeless
The molal weight of sulfuric acid and oxidant ratio is 4：1：1：0.1, and it is spare to place it in flash baking in gnotobasis；
S4：Noble metal is chosen, and noble metal is gold, silver, platinum either palladium race metal, and noble metal is carried out cutting process,
To be cut to multiple fritters, then the noble metal after cutting is placed in smelting furnace and carries out melting, melted completely to it
Afterwards, the impurity in solution is filtered, to obtain potting syrup；
S5：In the potting syrup formed in S4 is uniformly slowly poured into in S3 treated noble metal mold, and need disposable
Casting complete need to carry out noble metal mold to change weak vibrations, to accelerate the flowing of potting syrup, then 150 in casting
Degree Celsius environment in formed, after its first one-step forming, then place it in and carry out cooling treatment in normal temperature environment；
S6：Restore after noble metal to room temperature, be drawn off, and be surface-treated, after processing is completed, is placed it in again
In electrolytic cell, and electrolyte is added thereto, and electrolyte need to cover noble metal, and electricity is carried out in 55 degrees Celsius of environment
Solution, and electrolysis time is 7min, size of current 9mA/cm2, after the completion, it is repeatedly clear that progress in pure water is placed it in again
Reason arrives objects made from precious metals after drying.
Surface treatment in S6, specific step is as follows：
A, noble metal is placed in and is again placed on fine polishing machine, and sanding and polishing is carried out to its surface projections, polished
In the process, it need to guarantee that precious metal surface temperature is no more than 100 degrees Celsius；
B, tempering 25s will be carried out in treated in A noble metal again 250 degrees Celsius of environment, then places it in normal-temperature water
In, it after its temperature is reduced to 65 degrees Celsius, places it in carry out tempering 9s in 450 degrees Celsius of environment again, then by it
It is placed in cooling in room temperature, when being tempered, also needs to be passed through nitrogen either ammonia thereto, so as to carry out noble metal
Protection；
C is placed it in surface treatment pond, and add surface treatment liquid thereto, and table again after the completion of noble metal tempering
Surface treatment liquid need to cover noble metal, and surface treatment liquid is specially phosphoric acid, ethyl alcohol, nitric acid, anionic surfactant and complexing
The mixture of agent, and phosphoric acid, ethyl alcohol, nitric acid, anionic surfactant and complexing agent molal weight ratio be 1：1：2：
0.5：0.1,35min then is placed under conditions of 80 degrees Celsius, in the process, noble metal need to be slowly stirred.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of method for processing noble metal, which is characterized in that include the following steps：
S1：Embryo figure is designed according to the noble metal products of required processing, noble metal mold is made according to embryo figure, and by noble metal mold
It is repeatedly washed, to remove the impurity on its surface；
S2：By treated in S1, noble metal mould inner wall is processed by shot blasting, in polishing, need to successively carry out diamond grain polishing
Processing and fiber wheel polishing treatment, and polish temperature is 60-90 degrees Celsius, after the completion of polishing, need to guarantee the smoothness of its inner wall；
S3：Then in its inner wall surface even application remover, and noble metal mould inner wall need to be completely covered for release agent, and will
It is spare that it is placed in flash baking in gnotobasis；
S4：Noble metal is chosen, and noble metal is subjected to cutting process, so that multiple fritters are cut to, after then cutting
Noble metal be placed in smelting furnace and carry out melting, after it melts completely, the impurity in solution is filtered, to be poured
Fluid injection；
S5：In the potting syrup formed in S4 is uniformly slowly poured into in S3 treated noble metal mold, and need disposable
Casting complete need to carry out noble metal mold to change weak vibrations, to accelerate the flowing of potting syrup, then exist in casting
It is formed in 100-150 degrees Celsius of environment, after its first one-step forming, then places it in normal temperature environment and carry out cooling place
Reason；
S6：Restore after noble metal to room temperature, be drawn off, and be surface-treated, after processing is completed, is placed it in again
In electrolytic cell, and electrolyte is added thereto, and electrolyte need to cover noble metal, and carry out in 40-55 degrees Celsius of environment
Electrolysis, and electrolysis time is 4-7min, size of current 6-9mA/cm2, after the completion, it is more that progress in pure water is placed it in again
Secondary cleaning arrives objects made from precious metals after drying.
2. a kind of method for processing noble metal according to claim 1, it is characterised in that：Surface treatment in S6, specifically
Steps are as follows：
A, noble metal is placed in and is again placed on fine polishing machine, and sanding and polishing is carried out to its surface projections, polished
In the process, it need to guarantee that precious metal surface temperature is no more than 100 degrees Celsius；
B, tempering 10-25s will be carried out in treated in A noble metal again 150-250 degrees Celsius of environment, then placed it in
In normal-temperature water, after its temperature is reduced to 50-65 degrees Celsius, places it in 300-450 degrees Celsius of environment and returned again
Then fiery 5-9s is placed it in cooling in room temperature；
C is placed it in surface treatment pond, and add surface treatment liquid thereto, and table again after the completion of noble metal tempering
Surface treatment liquid need to cover noble metal, and 20-35min is then placed under conditions of 50-80 degrees Celsius, in the process, need to be to expensive
Metal is slowly stirred.
3. a kind of method for processing noble metal according to claim 1, it is characterised in that：In S1, also need noble metal mould
Tool, which is placed in 200-300 degrees Celsius of environment, carries out preheating 30-45s, and after the completion, quickly noble metal mold is placed in normal-temperature water
It is cooling, so as to guarantee its safety used.
4. a kind of method for processing noble metal according to claim 2, it is characterised in that：When being tempered in B, also need to
It is passed through nitrogen either ammonia, wherein so as to protect to noble metal.
5. a kind of method for processing noble metal according to claim 1, it is characterised in that：Remover in S3 is specially stone
Wax, aliphatic dibasic esters, smokeless sulfuric acid and oxidant mixture, and paraffin, aliphatic dibasic esters, smokeless sulfuric acid and oxygen
The molal weight ratio of agent is 4：1：1：0.1.
6. a kind of method for processing noble metal according to claim 1, it is characterised in that：The noble metal is gold, silver, platinum
Either palladium race metal.
7. a kind of method for processing noble metal according to claim 1, it is characterised in that：Surface treatment liquid be specially phosphoric acid,
Ethyl alcohol, nitric acid, anionic surfactant and complexing agent mixture, and phosphoric acid, ethyl alcohol, nitric acid, anion surface active
The molal weight of agent and complexing agent ratio is 1：1：2：0.5：0.1.
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| CN201810683437.8A CN108838340B (en) | 2018-06-28 | 2018-06-28 | Noble metal processing method |
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| CN201810683437.8A CN108838340B (en) | 2018-06-28 | 2018-06-28 | Noble metal processing method |
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| CN108838340B CN108838340B (en) | 2020-05-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570929A (en) * | 2018-12-04 | 2019-04-05 | 深圳市金利珠宝首饰有限公司 | A kind of noble metal melting welding color-dividing process |
| CN114779602A (en) * | 2022-05-05 | 2022-07-22 | 东莞塘厦泰兴表业制造有限公司 | Manufacturing process of precious metal solid watch case |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087134A (en) * | 1992-11-16 | 1994-05-25 | 长治清华机械厂 | Quick-acting film stripping agent |
| CN101988194A (en) * | 2010-11-18 | 2011-03-23 | 平湖市供电局 | Site rust-removing and corrosion-preventing method for steel piece of electric power system |
| CN102228330A (en) * | 2011-04-25 | 2011-11-02 | 深圳市金佳和珠宝有限公司 | Method for processing noble metal |
| CN106521594A (en) * | 2016-11-25 | 2017-03-22 | 深圳市福麒珠宝首饰有限公司 | Processing method and device for processing K gold into gold natural color |
| FR3035347B1 (en) * | 2015-04-21 | 2017-12-22 | Orelec | PROCESS FOR PRODUCING A THERMOFORMING MOLD, A ROTOMOLDING MOLD |
| CN108048837A (en) * | 2017-12-18 | 2018-05-18 | 温州瑞榕汽车零部件制造有限公司 | A kind of die casting surface processing technique |
-
2018
- 2018-06-28 CN CN201810683437.8A patent/CN108838340B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087134A (en) * | 1992-11-16 | 1994-05-25 | 长治清华机械厂 | Quick-acting film stripping agent |
| CN101988194A (en) * | 2010-11-18 | 2011-03-23 | 平湖市供电局 | Site rust-removing and corrosion-preventing method for steel piece of electric power system |
| CN102228330A (en) * | 2011-04-25 | 2011-11-02 | 深圳市金佳和珠宝有限公司 | Method for processing noble metal |
| FR3035347B1 (en) * | 2015-04-21 | 2017-12-22 | Orelec | PROCESS FOR PRODUCING A THERMOFORMING MOLD, A ROTOMOLDING MOLD |
| CN106521594A (en) * | 2016-11-25 | 2017-03-22 | 深圳市福麒珠宝首饰有限公司 | Processing method and device for processing K gold into gold natural color |
| CN108048837A (en) * | 2017-12-18 | 2018-05-18 | 温州瑞榕汽车零部件制造有限公司 | A kind of die casting surface processing technique |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570929A (en) * | 2018-12-04 | 2019-04-05 | 深圳市金利珠宝首饰有限公司 | A kind of noble metal melting welding color-dividing process |
| CN114779602A (en) * | 2022-05-05 | 2022-07-22 | 东莞塘厦泰兴表业制造有限公司 | Manufacturing process of precious metal solid watch case |
| CN114779602B (en) * | 2022-05-05 | 2024-04-26 | 东莞塘厦泰兴表业制造有限公司 | Manufacturing process of precious metal solid watch case |
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