CN109079117A - A kind of noble metal casting method of Fiber Materials moulding - Google Patents
A kind of noble metal casting method of Fiber Materials moulding Download PDFInfo
- Publication number
- CN109079117A CN109079117A CN201810917803.1A CN201810917803A CN109079117A CN 109079117 A CN109079117 A CN 109079117A CN 201810917803 A CN201810917803 A CN 201810917803A CN 109079117 A CN109079117 A CN 109079117A
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- CN
- China
- Prior art keywords
- moulding
- fiber
- noble metal
- casting
- steel cup
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/06—Vacuum casting, i.e. making use of vacuum to fill the mould
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a kind of noble metal casting method of Fiber Materials moulding, steps are as follows: carries out the shape-designing and production of the fibrous material using craft and techniques, and shapes to the fiber moulding produced；The surface of fiber moulding is handled, its gap is closed；Kind of a mouth of a river is carried out to fiber moulding, then the fiber moulding for connecting the mouth of a river is fixed on to the base center for pouring cast steel cup, and integrally weigh, then to steel cup on base sheath；Calcium plaster is deployed in proportion, is poured into the steel cup of fiber moulding until steel cup, is inverted by gypsum sets after removing pedestal, and is put into heating in furnace；Steel cup is taken out out of furnace, and carbonised residue therein is absorbed；Steel cup is placed in casting machine noble metal of casting.The method of the invention realizes the casting of metals of Fiber Materials moulding.
Description
Technical field
The present invention relates to technical field of composite materials more particularly to a kind of noble metal casting methods of Fiber Materials moulding.
Background technique
Noble metal casting in existing jewellery industry is mostly with the completion of " lost-wax casting " method, wherein the model for being used to cast has three
Kind production method: 1. hand engraving wax-patterns；2. computer modeling combines machining (CNC, 3D printing etc.) to obtain wax or resin mold
Type；3. with rubber or silica gel overmolded, casting obtains wax-pattern again.The third mode can obtain and have the consistent wax of article moulding
Mould, facilitates handicraftsman or designer carries out creative performance.For example, can be by plastic toy moulding mould, casting, then lose wax and pour
Casting, just can obtain the noble metal form of toy figure.
However, for three-dimensional modeling made of soft Fiber Materials (for example, the moulding woven with nylon rope), be difficult or
Person can not carry out rubber or silica gel overmolded, by hand or the machining mode also difficult skin texture feature for simulating fibrous material.
That is, existing casting method is difficult to realize the casting of metals of Fiber Materials moulding.
Therefore, for above-mentioned problem of the prior art, the noble metal it is necessory to design a kind of Fiber Materials moulding is poured
Casting method.
Summary of the invention
In view of this, the present invention provides a kind of noble metal casting methods of Fiber Materials moulding, to realize Fiber Materials
The casting of metals of moulding.
To achieve the above object, present invention employs a kind of technical solutions: a kind of noble metal casting of Fiber Materials moulding
Method includes the following steps:
Step 101: the three-dimensional plastotype of fibrous material and setting: being set using the moulding that craft and techniques carry out the fibrous material
Meter and production, and shape to the fiber moulding produced；
Step 102: the surface void of closing fiber moulding: to the institute of the three-dimensional plastotype and setting that are obtained in step 101
The surface for stating fiber moulding is handled, its gap is closed；
Step 103: kind the mouth of a river and weighing: to the gap of confining surface obtained in step 102 the fiber moulding into
Row kind of the mouth of a river, then the fiber moulding for connecting the mouth of a river is fixed on to the base center for pouring cast steel cup, and integrally weigh, then give institute
State steel cup on base sheath；
Step 104: perfusion, burned plaster: deploying calcium plaster in proportion, is poured into being fixed with of obtaining in step 103
Until the steel cup, is inverted by gypsum sets after removing the pedestal in the steel cup of the fiber moulding, and it is put into heating in furnace；
Step 105: dust suction before casting: from the steel cup obtained in step 104 is taken out in furnace, by carbonization remnants therein
Object is absorbed；
Step 106: the steel cup obtained in step 105 casting: being placed in casting machine noble metal of casting.
Further, in a step 101, it is shaped using glue to fibrous material.
Further, in a step 102, sky is closed using the surface of shellac varnish or paint brushing or spray fiber moulding
Gap, and air-dry.
Further, according to the surface porosity degree of the fibrous material, step 102 is repeated for several times.
Further, in step 103, kind of a mouth of a river is carried out with the wax wire of hot melt and fiber moulding bonding.
Further, in step 103, the fiber moulding for connecting the mouth of a river is fixed on the bottom for pouring cast steel cup with wax
Seat center.
Further, at step 104, the heating mode of setting are as follows: room temperature to 180 centigrade hours, 180 degrees Celsius
To 250 centigrade hours, 250 degrees Celsius to 730 centigrade hours.
Further, in step 105, the mode of carbonised residue is absorbed as the water with dust catcher to the fiber moulding
Dust suction at mouthful.
Further, in step 106, (unit: gram) can be calculated as follows in the weight of the noble metal of casting:
X=Y × A+B
Wherein, X is the weight of the noble metal of casting, and Y is the weight of casting model, is subtracted for the weighing weight in step 103
The weight of the pedestal is gone, A, B are parameter value, and A value refers to the density ratio of noble metal and wax, and B value is the reserved fiber
The noble metal weight at model mouth of a river position is estimated according to the size at the mouth of a river and the steel cup.
Further, in step 106, the casting machine is vacuum casting machine or centrifugal casting machine.
The technical solution that the embodiment of the present invention provides has the benefit that (1) method operating procedure of the invention
Simply, success rate is high；(2) it is directly cast with fibrous material, the surface characteristics of maximum reducing material realizes tradition
The visual effect that wax-pattern casting is difficult or cannot achieve.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the noble metal casting method of Fiber Materials moulding of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is further described.
As shown in Figure 1, the embodiment provides a kind of noble metal casting methods of Fiber Materials moulding, with three-dimensional
The fibrous material of moulding substitutes wax, omits the production process of wax-pattern, directly carries out subsequent filling gypsum, roasting and casting, thus
Obtain the metal pattern molding with Fiber Materials texture.Include the following steps:
Step 101: the three-dimensional plastotype of fibrous material and setting: being set using the moulding that craft and techniques carry out the fibrous material
Meter and production, and shape to the fibrous material three-dimensional configuration produced；
Step 102: the surface void of closing fiber moulding: to the fibre of the three-dimensional plastotype and setting that are obtained in step 101
The surface of dimension moulding is handled, its gap is closed；
Step 103: kind the mouth of a river and weighing: to the gap of confining surface obtained in step 102 the fiber moulding into
Row kind of the mouth of a river, then the fiber moulding for connecting the mouth of a river is fixed on to the base center for pouring cast steel cup, and integrally weigh, then give institute
State steel cup on base sheath；
Step 104: perfusion, burned plaster: deploying calcium plaster in proportion, is poured into being fixed with of obtaining in step 103
Until the steel cup, is inverted by gypsum sets after removing the pedestal in the steel cup of the fiber moulding, and it is put into heating in furnace；
Step 105: dust suction before casting: from the steel cup obtained in step 104 is taken out in furnace, by carbonization remnants therein
Object is absorbed；
Step 106: the steel cup obtained in step 105 casting: being placed in casting machine noble metal of casting.
In a step 101, can according to need, using various fibrous materials (for example, woollen yarn knitting nylon rope, braiding with cotton thread,
Cloth etc.) carry out shape-designing and production, the fibrous material includes but is not limited to have natural fiber (including plant fiber and dynamic
Fibres), inorfil (such as asbestos, glass fibre) and synthetic fibers (such as polyester fiber, aromatic polyamide fibre).Undulation degree
For material because of its flexible nature, the three-dimensional configuration made is unstable uncertain, the gravity, external force the effects of under easily deformation, because
This needs to be shaped with glue (for example, white glue with vinyl or similar glue) before casting, can directly be smeared with brush, and shape examination used
Agent can allow fibrous material to harden, while retain the surface appearance feature of fibrous material.
In a step 102, it because porous fibrous material can adsorb liquid, is poured so calcium plaster directly cannot be perfused
Casting, needs to handle its surface, basic skin texture pattern is retained while closing small spaces.For example, with shellac varnish or
The surface of the fiber moulding is brushed or sprayed to paint, and air-dries completely in room temperature.According to the surface porosity degree of fibrous material,
The process is repeatable several times (for example, 2 to 3 times), but cannot excessive spray paint, otherwise can cover the surface line of fibrous material
Reason；
In step 103, the kind mouth of a river is to show fiber moulding described in wellhandled in step 102 to be bonded mouth of a river wax, this
One step is consistent with traditional planting wax tree method, is directly bonded with fiber moulding with the wax wire of hot melt, it should be noted that the mouth of a river
Position arrangement guarantees that metal flow is smooth when casting, while reducing the covering to fibrous material skin texture as far as possible.The mouth of a river will be connected
Fiber moulding the center for pouring cast steel cup rubber base plate is fixed on wax, and integrally weigh, which subtracts the weight of rubber base plate
Amount obtains the weight of casting model, and prepares the noble metal of casting according to the weight of the casting model, then give the rubber
Steel cup on base sheath.For example, the noble metal of casting can be calculated (unit: gram) by formula (1):
X=Y × A+B (1)
Wherein, X is the noble metal weight of casting, and Y is the weight of casting model, and A, B are parameter value, your gold is A value refer to
Belong to the density ratio with wax, for example, when the noble metal of casting is 925 silver medal, A=10；When the noble metal of casting is 18K gold, A=
13.1；When the precious metals pt 900 of casting, A=13.1.B value is the noble metal weight at reserved fiber model mouth of a river position,
It need to be estimated according to the size at the mouth of a river and the steel cup, for example, the steel cup of 10 × 18cm, B is not less than 30, rises to 40.
At step 104, identical as the correspondence step of traditional lost-wax casting, in proportion (for example, 1000 grams of casting gypsum with
380~400 milliliters of water) allotment calcium plaster, steel cup is poured into after vacuumizing several minutes (for example, 1~1.5 minutes), then vacuumize number
Minute (for example, 2 minutes or so) stands and solidifies completely (for example, at least 2 hours) to gypsum for a period of time；Rubber is removed later
Steel cup is inverted by pedestal, is put into heating in roaster.Heating mode is similar to investment wax casting, but maximum temperature value is higher, high temperature
Residence time is longer；Calcining time and heating curve can refer to gypsum product explanation, and general roasting total time is 8~12 small
When.For example, the heating mode of setting are as follows: room temperature to 180 centigrade hours, 180 degrees Celsius to 250 centigrade hours, 250
Degree Celsius to 730 centigrade hours.By taking 925 silver medals of casting as an example, be arranged heating mode are as follows: room temperature to 180 degrees Celsius two hours,
180 degrees Celsius to 250 degrees Celsius two hours, 250 degrees Celsius to 730 degrees Celsius 6~8 hours.At high temperature, fibrous material and water
Mouth wax melts evaporation together；Fibrous material after melting has a small amount of carbonised residue, is attached in plaster mold, needs through following
Step is removed；
In step 105, the suitable steel cup of roasting is taken out to melt model with high temperature resistant dust catcher to dust suction at its mouth of a river
Carbonised residue after melting is absorbed.
In step 106, the casting machine includes but is not limited to vacuum casting machine, centrifugal casting machine.
Key point in the method for the present invention: (1) hardening early period of fibrous material and surface void Seal treatment；(2) mouth of a river
It is reasonable to arrange；(3) fibrous material melting residue object is removed in dust suction before casting.
The method operating procedure beneficial effect Shi ︰ (1) that the technical solution that the embodiment of the present invention provides is brought of the invention
Simply, success rate is high；(2) it is directly cast with fibrous material, the surface characteristics of maximum reducing material realizes tradition
The visual effect that wax-pattern casting is difficult or cannot achieve.
It is of the invention in order to facilitate understanding, while keeping the method operability in the present invention stronger, it is provided in above-described embodiment
Major parameter recommended value involved in method (such as the number of repetition of step 102, A, B value in step 103, in step 104
Pumpdown time, time of repose, heating mode etc.), it should be pointed out that when carrying out practical operation, above-mentioned parameter can be into
Row change, and should be included within the scope of the present invention.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of noble metal casting method of Fiber Materials moulding, characterized by the following steps:
Step 101: the three-dimensional plastotype of fibrous material and setting: using craft and techniques carry out the fibrous material shape-designing and
Production, and shape to the fiber moulding produced；
Step 102: the surface void of closing fiber moulding: to the fibre of the three-dimensional plastotype and setting that are obtained in step 101
The surface of dimension moulding is handled, its gap is closed；
Step 103: the kind mouth of a river and weighing: being planted to the fiber moulding in the gap of confining surface obtained in step 102
The mouth of a river, then the fiber moulding for connecting the mouth of a river is fixed on to the base center for pouring cast steel cup, and integrally weigh, then give the bottom
Steel cup in cover for seat；
Step 104: perfusion, burned plaster: deploying calcium plaster in proportion, and it is described to be poured into being fixed with of obtaining in step 103
Until the steel cup, is inverted by gypsum sets after removing the pedestal in the steel cup of fiber moulding, and it is put into heating in furnace；
Step 105: dust suction before casting: from the steel cup obtained in step 104 is taken out in furnace, carbonised residue therein being inhaled
It removes；
Step 106: the steel cup obtained in step 105 casting: being placed in casting machine noble metal of casting.
2. the noble metal casting method of Fiber Materials moulding as described in claim 1, it is characterised in that: in a step 101, benefit
It is shaped with glue to fibrous material.
3. the noble metal casting method of Fiber Materials moulding as described in claim 1, it is characterised in that: in a step 102, benefit
It is brushed with shellac varnish or paint or the surface of spray fiber moulding is come dead air space, and air-dried.
4. the noble metal casting method of Fiber Materials moulding as described in claim 1, it is characterised in that: according to the undulation degree
The surface porosity degree of material repeats step 102 for several times.
5. the noble metal casting method of Fiber Materials moulding as described in claim 1, it is characterised in that: in step 103, use
The wax wire of hot melt and fiber moulding bonding carry out kind of a mouth of a river.
6. the noble metal casting method of Fiber Materials moulding as described in claim 1, it is characterised in that: in step 103, connect
The fiber moulding at the good mouth of a river is fixed on the base center for pouring cast steel cup with wax.
7. the noble metal casting method of Fiber Materials moulding as described in claim 1, it is characterised in that: at step 104, if
The heating mode set are as follows: room temperature to 180 centigrade hours, 180 degrees Celsius to 250 centigrade hours, 250 degrees Celsius are arrived
730 centigrade hours.
8. the noble metal casting method of Fiber Materials moulding as described in claim 1, it is characterised in that: in step 105, inhale
Except the mode of carbonised residue is with dust catcher to dust suction at the mouth of a river of the fiber moulding.
9. the noble metal casting method of Fiber Materials moulding as described in claim 1, it is characterised in that: in step 106, pour
(unit: gram) can be calculated as follows in the weight of the noble metal of casting:
X=Y × A+B
Wherein, X is the weight of the noble metal of casting, and Y is the weight of casting model, subtracts institute for the weighing weight in step 103
The weight of pedestal is stated, A, B are parameter value, and A value refers to the density ratio of noble metal and wax, and B value is the reserved fiber model
The noble metal weight at mouth of a river position is estimated according to the size at the mouth of a river and the steel cup.
10. the noble metal casting method of Fiber Materials moulding as described in claim 1, it is characterised in that: in step 106,
The casting machine is vacuum casting machine or centrifugal casting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917803.1A CN109079117A (en) | 2018-08-13 | 2018-08-13 | A kind of noble metal casting method of Fiber Materials moulding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917803.1A CN109079117A (en) | 2018-08-13 | 2018-08-13 | A kind of noble metal casting method of Fiber Materials moulding |
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| Publication Number | Publication Date |
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| CN109079117A true CN109079117A (en) | 2018-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810917803.1A Pending CN109079117A (en) | 2018-08-13 | 2018-08-13 | A kind of noble metal casting method of Fiber Materials moulding |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2047141A (en) * | 1979-04-17 | 1980-11-26 | Steel Castings Res | Mould production |
| JPS57118854A (en) * | 1981-01-13 | 1982-07-23 | Mazda Motor Corp | Production of fiber reinforced composite body |
| JPH03140102A (en) * | 1989-10-26 | 1991-06-14 | Jiyune:Kk | Production of ornaments made of noble metals |
| US5551503A (en) * | 1994-01-27 | 1996-09-03 | Padino Antonio Microfusioni | Process for the production of decorative articles in gold or other precious metals and the articles made by the process |
| JP2002336931A (en) * | 2001-05-15 | 2002-11-26 | Misako Arai | Ornament formed of precious metal, and manufacturing method therefor |
| CN101184563A (en) * | 2005-03-31 | 2008-05-21 | 邦特罗克实业公司 | Investment casting mold and method of manufacture |
-
2018
- 2018-08-13 CN CN201810917803.1A patent/CN109079117A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2047141A (en) * | 1979-04-17 | 1980-11-26 | Steel Castings Res | Mould production |
| JPS57118854A (en) * | 1981-01-13 | 1982-07-23 | Mazda Motor Corp | Production of fiber reinforced composite body |
| JPH03140102A (en) * | 1989-10-26 | 1991-06-14 | Jiyune:Kk | Production of ornaments made of noble metals |
| US5551503A (en) * | 1994-01-27 | 1996-09-03 | Padino Antonio Microfusioni | Process for the production of decorative articles in gold or other precious metals and the articles made by the process |
| JP2002336931A (en) * | 2001-05-15 | 2002-11-26 | Misako Arai | Ornament formed of precious metal, and manufacturing method therefor |
| CN101184563A (en) * | 2005-03-31 | 2008-05-21 | 邦特罗克实业公司 | Investment casting mold and method of manufacture |
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| PB01 | Publication | ||
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Application publication date: 20181225 |