CN107263222A - A kind of high production rate platinum bar manufacturing process and molding device - Google Patents
A kind of high production rate platinum bar manufacturing process and molding device Download PDFInfo
- Publication number
- CN107263222A CN107263222A CN201710681748.6A CN201710681748A CN107263222A CN 107263222 A CN107263222 A CN 107263222A CN 201710681748 A CN201710681748 A CN 201710681748A CN 107263222 A CN107263222 A CN 107263222A
- Authority
- CN
- China
- Prior art keywords
- platinum
- annealing
- blank material
- blank
- bar
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
- B21J5/025—Closed die forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/06—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for producing matt surfaces, e.g. on plastic materials, on glass
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Adornments (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The present invention provides a kind of high production rate platinum bar manufacturing process and molding device, comprises the following steps, S1：According to predetermined technological requirement, the extruding of platinum gold bar blank is cut into required shape and size, artificial range estimation detection cuts the gold bar blank of completion, S2：The blank material for cutting completion is polished using the electric grinding machine equipped with cotton piece buff, more than 20 minutes whole process duration, S3：Blank material to completion of being polished in step S2 is surface-treated：Platinum blank material is immersed in strong acidic liquid, the surface scale, oil stain and impurity on blank material surface are removed, 20 minutes whole process duration; the platinum bar font that the design is produced is smooth, and weight closes rule, and lines are uniform; sand face is intact attractive in appearance, lustrous surface, and overall contrast effect is obvious; and technological process is simple; actual production and processing is conducive to handle, the production efficiency of this technique is high, can effectively save cost; and whole process is pollution-free, be conducive to environmental protection.
Description
[technical field]
The present invention relates to platinum bar manufacturing process technology field, more particularly to a kind of production and processing efficiency high, workman's work
The high production rate platinum bar manufacturing process and molding device of low intensity.
[background technology]
Platinum is as a kind of precious metal, and atomic volume is 9.12, and hardness is 4.5, and density is 21.45g/cm3, and fusing point is
1772 DEG C, chemical stability is extremely strong, in addition to being widely used in the industry such as Aero-Space, petroleum refining and chemistry, is additionally operable to pearl
Precious jewellery industry, it is main to be rarely used in platinum gold bar with the plain gold ornaments of platinum and platinum set jewelry, due to gold density very little,
Traditional gold gold bar is easy to make, and platinum is because density is big, and gold bar makes extremely difficult；And current platinum bar processing technology
Effect is poor, platinum bar rough surface, mattness, it is impossible to meet the dual requirementses of the aesthetic of client and value preserving.
How the purity of platinum could be preferably improved, lift its surface gloss, meet the requirement of client, this area
Technical staff carried out substantial amounts of research and development and experiment, and achieve preferable achievement.
[content of the invention]
To overcome the problems of prior art, the present invention provides a kind of production and processing efficiency high, labor strength
Low high production rate platinum bar manufacturing process and molding device.
The scheme that the present invention solves technical problem is to provide a kind of high production rate platinum bar manufacturing process, including following step
Suddenly,
S1：According to predetermined technological requirement, using tablet press machines, the extruding of platinum gold bar blank is cut into required shape
And size, it is artificial to estimate the gold bar blank that detection cuts completion, remove defective products；
S2：The blank material that completion is cut in step S1 is polished using the electric grinding machine equipped with cotton piece buff, polished
Whole bruting process is lubricated using polishing wax in journey, until blank material surface produces smooth, light effect and is advisable, whole mistake
More than 20 minutes journey duration；
S3：Blank material to completion of being polished in step S2 is surface-treated：Platinum blank material is immersed in highly acid liquid
In body, the surface scale, oil stain and impurity on blank material surface are removed, 20 minutes whole process duration；
S4：Platinum blank material after the completion of being soaked in clear water rinsing step S3, and carry out neutralisation treatment using alkaline solution；
S5：The blank material that completion is handled in step S4 is transferred in sand-blasting machine, is material spray from diamond dust, by a high speed
The material spray of motion uniformly hits the positive and negative surface of gold bar, the positive and negative surface of blank material is obtained certain surface roughness, in gold
Bar surface forms matte effect, and the whole process duration is 40-50 minutes；
S6：Blank material in step S4 Jing Guo blasting treatment is first passed through into annealing, temperature is 1000 DEG C, and the time is 5-
10 minutes；The blank material by annealing is subjected to oil pressure again, blank material is placed in the die cavity of hydraulic press, initialization
Pressure limit is set as 100-120 tons, and forging and stamping number of times is 5-10 times；Continuously repeat annealing and oil pressure step 6-8 times, each oil pressure
10 tons incremented by successively of operating pressure, maximum working pressure (MWP) is 150 tons；
S7：The blank material that oil pressure of being annealed in step S6 is completed is placed on the relevant position of polishing machine, makes polishing machine
Flying saucer is polished respectively to the outer surface of platinum bar, removes unnecessary flash and check weighing, and the whole process duration is
2-3 hours；And carry out Surface testing；Record detection case；
S8：Platinum bar surface will be electroplated in platinum bar immersion rhodium water in step S7 Jing Guo polishing, make platinum
Gold bar surface produces the effect of smooth light, and the whole process duration is 30 minutes；
S9：Platinum bar product after the completion of plating is carried out to close rule inspection, defective products is removed.
Preferably, annealing and oil pressure processing are carried out in annealing oil pressure integration apparatus simultaneously in the step S6,
Annealing and oil pressure action are coherent, it is to avoid occur annealing or the halfway situation of oil pressure.
Preferably, cloth size of wheel used in sander is 19 cun in the step S2, and rotating speed is 15000r/min.
Preferably, the strong acidic liquid in the step S3 is nitric acid, and concentration is 40%-45%.
Preferably, the forced air of sand-blasting machine is 6-8Kg/m in the step S53。
A kind of molding device, including switch board and be arranged on the switch board oil gear, annealing device
And the material rotating disk between the oil gear and annealing device；The two ends difference position of the material rotating disk
Inside oil gear and annealing device；And several are offered for placing platinum in the material rotating disk upper annular
The material groove of material；When material is turned to material groove inside oil gear, the oil pressure inside oil gear in die cavity
Upper mould is moved down to be forged and pressed to the material of corresponding site；Continue after setting time, material rotating disk is rotated, material rotates with material
Disk is turned to inside annealing device, is made annealing treatment.
Preferably, cold air outlet and heater are additionally provided with inside the annealing device and protection gas goes out
Mouthful.
Preferably, touch display screen and several controls are both provided with outside the oil gear and annealing device
Button.
Preferably, the material rotating disk middle part is provided with the motor for driving rotation disc spins.
Compared with prior art, a kind of high production rate platinum bar manufacturing process of the invention and molding device are by using standby
The step of material, polishing, surface treatment, cleaning, sandblasting, annealing, oil pressure, repetition annealing and oil pressure, polishing, electricity gold, inspection, manufactures
Platinum bar product, the platinum bar font produced is smooth, and weight closes rule, and lines are uniform, and sand face is intact attractive in appearance, and lustrous surface is whole
Body contrast effect is obvious, and technological process is simple, is conducive to actual production and processing to handle, and the production efficiency of this technique is high, can
Effectively to save cost, and whole process is pollution-free, is conducive to environmental protection.
[brief description of the drawings]
Fig. 1 and Fig. 2 are a kind of flow charts of high production rate platinum bar manufacturing process of the invention.
Fig. 3 is a kind of stereoscopic-state structural representation of molding device of the invention.
Fig. 4 is a kind of stereoscopic-state structural representation at another visual angle of molding device of the invention.
[embodiment]
To make the purpose of the present invention, technical scheme and advantage are more clearly understood, below in conjunction with drawings and Examples, to this
Invention is further elaborated.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, not
For limiting this invention.
Fig. 1 is referred to Fig. 4, a kind of high production rate platinum bar manufacturing process of the invention comprises the following steps,
S1：According to predetermined technological requirement, using tablet press machines, the extruding of platinum gold bar blank is cut into required shape
And size, it is artificial to estimate the gold bar blank that detection cuts completion, remove defective products；
S2：The blank material that completion is cut in step S1 is polished using the electric grinding machine equipped with cotton piece buff, polished
Whole bruting process is lubricated using polishing wax in journey, until blank material surface produces smooth, light effect and is advisable, whole mistake
More than 20 minutes journey duration；
S3：Blank material to completion of being polished in step S2 is surface-treated：Platinum blank material is immersed in highly acid liquid
In body, the surface scale, oil stain and impurity on blank material surface are removed, 20 minutes whole process duration；
S4：Platinum blank material after the completion of being soaked in clear water rinsing step S3, and carry out neutralisation treatment using alkaline solution；
S5：The blank material that completion is handled in step S4 is transferred in sand-blasting machine, is material spray from diamond dust, by a high speed
The material spray of motion uniformly hits the positive and negative surface of gold bar, the positive and negative surface of blank material is obtained certain surface roughness, in gold
Bar surface forms matte effect, and the whole process duration is 40-50 minutes；
S6：Blank material in step S4 Jing Guo blasting treatment is first passed through into annealing, temperature is 1000 DEG C, and the time is 5-
10 minutes；The blank material by annealing is subjected to oil pressure again, blank material is placed in the die cavity of hydraulic press, initialization
Pressure limit is set as 100-120 tons, and forging and stamping number of times is 5-10 times；Continuously repeat annealing and oil pressure step 6-8 times, each oil pressure
10 tons incremented by successively of operating pressure, maximum working pressure (MWP) is 150 tons；
S7：The blank material that oil pressure of being annealed in step S6 is completed is placed on the relevant position of polishing machine, makes polishing machine
Flying saucer is polished respectively to the outer surface of platinum bar, removes unnecessary flash and check weighing, and the whole process duration is
2-3 hours；And carry out Surface testing；Record detection case；
S8：Platinum bar surface will be electroplated in platinum bar immersion rhodium water in step S7 Jing Guo polishing, make platinum
Gold bar surface produces the effect of smooth light, and the whole process duration is 30 minutes；
S9：Platinum bar product after the completion of plating is carried out to close rule inspection, defective products is removed.
The design by using getting the raw materials ready, polish, be surface-treated, cleaning, sandblasting, annealing, oil pressure, repeat annealing and oil pressure,
The step of polishing, electricity gold, inspection, manufactures platinum bar product, and the platinum bar font produced is smooth, and weight closes rule, and lines are uniform,
Sand face is intact attractive in appearance, lustrous surface, and overall contrast effect is obvious, and technological process is simple, is conducive at actual production and processing
Reason, the production efficiency of this technique is high, can effectively save cost, and whole process is pollution-free, is conducive to environmental protection.
Preferably, annealing and oil pressure processing are carried out in annealing oil pressure integration apparatus simultaneously in the step S6,
Annealing and oil pressure action are coherent, it is to avoid occur annealing or the halfway situation of oil pressure.
Preferably, cloth size of wheel used in sander is 19 cun in the step S2, and rotating speed is 15000r/min.Polishing effect
It is good.
Preferably, the strong acidic liquid in the step S3 is nitric acid, and concentration is 40%-45%.
Preferably, the forced air of sand-blasting machine is 6-8Kg/m in the step S53。
A kind of molding device 1, including switch board 11 and be arranged on the switch board 11 oil gear 15, at annealing
Manage device 13 and the material rotating disk 16 between the oil gear 15 and annealing device 13；The material rotation
The two ends of disk 16 are located inside oil gear 15 and annealing device 13 respectively；And opened in the upper annular of material rotating disk 16
The material groove 161 for being used to place platinum material provided with several；When material is turned in oil gear 15 with material groove 161
Mould is moved down during portion, on the oil pressure in the inside die cavity of oil gear 15 forges and presses to the material of corresponding site；Continue setting time
Afterwards, material rotating disk 16 is rotated, and material is turned to inside annealing device 13 with material rotating disk 16, is made annealing treatment.
It can realize that the platinum bar after molding, annealing is exchanged or platinum bar is assembled and disassembled by material rotating disk 16, to reduce the behaviour of workman
Make process, improve production efficiency.
Preferably, cold air outlet and heater are additionally provided with inside the annealing device 13 and protection gas goes out
Mouthful.Be conducive to keeping the glossiness on platinum bar surface.
Preferably, the oil gear 15 and annealing device 13 outside be both provided with touch display screen and several
Control button.Reasonable in design.
Preferably, the middle part of material rotating disk 16 is provided with the motor for driving rotating disk 16 to rotate.
Compared with prior art, a kind of high production rate platinum bar manufacturing process of the invention and molding device 1 are by using standby
The step of material, polishing, surface treatment, cleaning, sandblasting, annealing, oil pressure, repetition annealing and oil pressure, polishing, electricity gold, inspection, manufactures
Platinum bar product, the platinum bar font produced is smooth, and weight closes rule, and lines are uniform, and sand face is intact attractive in appearance, and lustrous surface is whole
Body contrast effect is obvious, and technological process is simple, is conducive to actual production and processing to handle, and the production efficiency of this technique is high, can
Effectively to save cost, and whole process is pollution-free, is conducive to environmental protection.
The embodiments of the present invention described above are not intended to limit the scope of the present invention.It is any in the present invention
Spirit and principle within the modifications, equivalent substitutions and improvements made etc., should be included in the claim protection model of the present invention
Within enclosing.
Claims (9)
1. a kind of high production rate platinum bar manufacturing process, it is characterised in that：Comprise the following steps,
S1：According to predetermined technological requirement, using tablet press machines, shape and chi required for the extruding of platinum gold bar blank is cut into
Very little, artificial range estimation detection cuts the gold bar blank of completion, removes defective products；
S2：The blank material that completion is cut in step S1 is polished using the electric grinding machine equipped with cotton piece buff, in bruting process
Whole bruting process is lubricated using polishing wax, until blank material surface produces smooth, light effect and is advisable, whole process is held
Continuous more than the 20 minutes time；
S3：Blank material to completion of being polished in step S2 is surface-treated：Platinum blank material is immersed in strong acidic liquid,
The surface scale, oil stain and impurity on blank material surface are removed, 20 minutes whole process duration；
S4：Platinum blank material after the completion of being soaked in clear water rinsing step S3, and carry out neutralisation treatment using alkaline solution；
S5：The blank material that completion is handled in step S4 is transferred in sand-blasting machine, is material spray from diamond dust, passes through high-speed motion
Material spray uniformly hit the positive and negative surface of gold bar, the positive and negative surface of blank material is obtained certain surface roughness, in gold bar table
Face forms matte effect, and the whole process duration is 40-50 minutes；
S6：Blank material in step S4 Jing Guo blasting treatment is first passed through into annealing, temperature is 1000 DEG C, and the time is 5-10
Minute；The blank material by annealing is subjected to oil pressure again, blank material is placed in the die cavity of hydraulic press, initialization pressure
Power range set is 100-120 tons, and forging and stamping number of times is 5-10 times；Continuously repeat annealing and oil pressure step 6-8 times, each oil pressure work
Make 10 tons incremented by successively of pressure, maximum working pressure (MWP) is 150 tons；
S7：The blank material that oil pressure of being annealed in step S6 is completed is placed on the relevant position of polishing machine, makes the flying saucer of polishing machine
The outer surface of platinum bar is polished respectively, unnecessary flash and check weighing is removed, the whole process duration is that 2-3 is small
When；And carry out Surface testing；Record detection case；
S8：Platinum bar surface will be electroplated in platinum bar immersion rhodium water in step S7 Jing Guo polishing, make platinum bar
Surface produces the effect of smooth light, and the whole process duration is 30 minutes；
S9：Platinum bar product after the completion of plating is carried out to close rule inspection, defective products is removed.
2. a kind of high production rate platinum bar manufacturing process as claimed in claim 1, it is characterised in that：Annealed in the step S6
Processing and oil pressure are handled to be carried out in annealing oil pressure integration apparatus simultaneously, and annealing and oil pressure action are coherent, it is to avoid anneal
Or the halfway situation of oil pressure.
3. a kind of high production rate platinum bar manufacturing process as claimed in claim 1, it is characterised in that：Polished in the step S2
Cloth size of wheel used in machine is 19 cun, and rotating speed is 15000r/min.
4. a kind of high production rate platinum bar manufacturing process as claimed in claim 1, it is characterised in that：It is strong in the step S3
Acidic liquid is nitric acid, and concentration is 40%-45%.
5. a kind of high production rate platinum bar manufacturing process as claimed in claim 1, it is characterised in that：Sandblasting in the step S5
The forced air of machine is 6-8Kg/m3。
6. a kind of molding device, it is characterised in that：Including switch board and the oil gear being arranged on the switch board, annealing
Processing unit and the material rotating disk between the oil gear and annealing device；The two of the material rotating disk
End is located inside oil gear and annealing device respectively；And offer several in the material rotating disk upper annular and be used for
Place the material groove of platinum material；When material is turned to material groove inside oil gear, die cavity inside oil gear
In oil pressure on mould move down the material of corresponding site forged and pressed；Continue setting time after, material rotating disk rotate, material with
Material rotating disk is turned to inside annealing device, is made annealing treatment.
7. a kind of high production rate platinum bar manufacturing process as claimed in claim 6, it is characterised in that：The annealing device
Inside is additionally provided with cold air outlet and heater and the outlet of protection gas.
8. a kind of high production rate platinum bar manufacturing process as claimed in claim 6, it is characterised in that：The oil gear and move back
Touch display screen and several control buttons are both provided with outside fiery processing unit.
9. a kind of high production rate platinum bar manufacturing process as claimed in claim 6, it is characterised in that：In the material rotating disk
Between position be provided with for drive rotation disc spins motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710681748.6A CN107263222A (en) | 2017-08-10 | 2017-08-10 | A kind of high production rate platinum bar manufacturing process and molding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710681748.6A CN107263222A (en) | 2017-08-10 | 2017-08-10 | A kind of high production rate platinum bar manufacturing process and molding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107263222A true CN107263222A (en) | 2017-10-20 |
Family
ID=60079820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710681748.6A Pending CN107263222A (en) | 2017-08-10 | 2017-08-10 | A kind of high production rate platinum bar manufacturing process and molding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107263222A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107717363A (en) * | 2017-12-01 | 2018-02-23 | 贵研资源（易门）有限公司 | The preparation method of high-purity standard platinum ingot |
| CN110079703A (en) * | 2019-04-28 | 2019-08-02 | 薛绪彪 | A kind of repaired mouth and its processing method improving platinum hardness |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3973716A (en) * | 1974-02-20 | 1976-08-10 | Flamor S.A. | Process for making a piece of hollow jewelry |
| CN102528630A (en) * | 2011-12-28 | 2012-07-04 | 深圳市宝福珠宝首饰有限公司 | Polishing device for plate-type precious metal ornament |
| CN102554567A (en) * | 2011-12-28 | 2012-07-11 | 深圳市宝福珠宝首饰有限公司 | Manufacturing method of platinum bar and platinum bar mould-pressing device |
| CN102990305A (en) * | 2012-12-07 | 2013-03-27 | 深圳市帕玛精品制造有限公司 | Machining method for noble metal |
-
2017
- 2017-08-10 CN CN201710681748.6A patent/CN107263222A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3973716A (en) * | 1974-02-20 | 1976-08-10 | Flamor S.A. | Process for making a piece of hollow jewelry |
| CN102528630A (en) * | 2011-12-28 | 2012-07-04 | 深圳市宝福珠宝首饰有限公司 | Polishing device for plate-type precious metal ornament |
| CN102554567A (en) * | 2011-12-28 | 2012-07-11 | 深圳市宝福珠宝首饰有限公司 | Manufacturing method of platinum bar and platinum bar mould-pressing device |
| CN102990305A (en) * | 2012-12-07 | 2013-03-27 | 深圳市帕玛精品制造有限公司 | Machining method for noble metal |
Non-Patent Citations (1)
| Title |
|---|
| 矽肺的防治编写组: "《矽肺的防治》", 31 March 1975, 上海人民出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107717363A (en) * | 2017-12-01 | 2018-02-23 | 贵研资源（易门）有限公司 | The preparation method of high-purity standard platinum ingot |
| CN110079703A (en) * | 2019-04-28 | 2019-08-02 | 薛绪彪 | A kind of repaired mouth and its processing method improving platinum hardness |
| CN110079703B (en) * | 2019-04-28 | 2020-05-12 | 薛绪彪 | Repaired mouth for improving platinum hardness and processing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102554567B (en) | Manufacturing method of platinum bar and platinum bar mould-pressing device | |
| CN102320212B (en) | Method of making red porcelain handiwork embedded with metals and jewels | |
| CN107952522B (en) | A kind of ceramic processing raw material grinding deironing apparatus | |
| CN107263222A (en) | A kind of high production rate platinum bar manufacturing process and molding device | |
| CN105881821B (en) | A kind of production method of injection mold and injection mold | |
| CN203509858U (en) | Automatic processing system for workpieces | |
| WO2018192180A1 (en) | Forged artificial joint and novel production process and use of metal product | |
| CN107329390A (en) | A kind of high temperature enamel dial plate and preparation method thereof | |
| CN101003238B (en) | Method for producing ornamental articles gold soldering patched opening or copper base alloy | |
| CN107475560A (en) | A kind of golden yellow copper-base simulant gold alloy and preparation method thereof | |
| CN108402615A (en) | Compound precious metal sheets structure and torsion equipment and processing method | |
| CN108941506B (en) | Manufacturing process of precious metal solid watch case | |
| CN110695612B (en) | Processing method for improving hardness of gold ornaments | |
| CN103263126B (en) | The reverse mould of artificial diamond gold jewelry and oil pressure preparation method | |
| CN109820300A (en) | Wooden mesh gold and preparation method thereof | |
| CN201913531U (en) | Multi-functional grinding and polishing work bench | |
| CN201595281U (en) | Tri-axial jewelry numerical control carving machine | |
| CN209721921U (en) | Quartzy ball milling prepares tool | |
| CN208114167U (en) | Compound precious metal sheets structure and torsion equipment | |
| CN206085656U (en) | Hot melt type goods thorn edge polishing machine | |
| CN102172303B (en) | Bowl type ornament manufacturing method | |
| CN204108020U (en) | A kind of amorphous alloy band that utilizes carries out coated device to wire rod | |
| CN105773069A (en) | Silver ware billet manufacturing technique and production device | |
| CN109465611A (en) | It is a kind of for automate processing high-strength die preparation process | |
| CN103394976A (en) | Magnetic automatic abrasive belt grinding process for forging knife blanks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |