CN109822073A - A kind of processing method of metal fixed denture - Google Patents
A kind of processing method of metal fixed denture Download PDFInfo
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- CN109822073A CN109822073A CN201910218607.XA CN201910218607A CN109822073A CN 109822073 A CN109822073 A CN 109822073A CN 201910218607 A CN201910218607 A CN 201910218607A CN 109822073 A CN109822073 A CN 109822073A
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- 239000002184 metal Substances 0.000 title claims abstract description 53
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 53
- 238000003672 processing method Methods 0.000 title claims abstract description 18
- 238000005266 casting Methods 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 25
- 229910001338 liquidmetal Inorganic materials 0.000 claims abstract description 18
- 238000007689 inspection Methods 0.000 claims abstract description 6
- 238000012937 correction Methods 0.000 claims abstract description 5
- 238000004806 packaging method and process Methods 0.000 claims abstract description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000002844 melting Methods 0.000 claims description 20
- 230000008018 melting Effects 0.000 claims description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 36
- 229910052742 iron Inorganic materials 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000007547 defect Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 208000037656 Respiratory Sounds Diseases 0.000 abstract description 6
- 239000004576 sand Substances 0.000 abstract description 6
- 230000008569 process Effects 0.000 description 9
- 239000007787 solid Substances 0.000 description 8
- 239000010440 gypsum Substances 0.000 description 7
- 229910052602 gypsum Inorganic materials 0.000 description 7
- 210000000214 mouth Anatomy 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 210000003456 pulmonary alveoli Anatomy 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Landscapes
- Dental Prosthetics (AREA)
Abstract
The present invention relates to gear division technical fields, it discloses a kind of processing methods of metal fixed denture, including S1: model reception-S2: disinfection-S3: pattern checking-S4: modelling-S5: wax pattern (carving wax)-S6: casting-S7: polishing-S8: upper porcelain-S9: correction of the flank shape state-S10: glazing-S11: polishing-S12: final inspection/disinfection-S13: packaging, S4: the model of modelling is using Ke Xunhuanliyong model structure；S6: the specific method of casting is, sprue gate is opened up in the side of casting pattern, liquid metal is arranged in the side at sprue gate, when liquid metal is poured into sprue gate, allow casting pattern and liquid metal common rotation at the same time, so that liquid metal is being deposited in the die cavity for being injected into casting pattern under the influence of centrifugal force according to above technical scheme, casting operation is carried out by the method that setting molten iron is got rid of under the effect of certain centrifugal force, the defects of to reduce misrun, crackle, sand holes, stomata, to achieve the purpose that improve the quality of production.
Description
Technical field
The present invention relates to gear division technical fields, more specifically, it relates to a kind of processing method of metal fixed denture.
Background technique
Artificial tooth be exactly it has often been said that artificial tooth.According to the type of artificial tooth come point, removable denture and fixation can be plucked by being broadly divided into
Artificial tooth two major classes.Wherein, fixed denture cannot voluntarily be taken by patient and be worn, and fixed denture is that development in recent years is very fast newer
Technology.Method is to be implanted into planting body in alveolar bone, is planted after planting body and alveolus bon e formation synosteosis, then on planting body
Fixed denture.
The processing method of fixed denture is mainly in the prior art: model reception-disinfection-pattern checking-modelling-wax
Porcelain-correction of the flank shape state-glazing-polishing-final inspection/disinfection-packaging is gone up in type (carving wax)-casting-polishing-.Foundation is taken out out of patient's mouth
Oral cavity model, make be suitble to patient worn artificial tooth.Wherein, existing casting method is: casting to made of refractory material
Molten iron is toppled in modeling is specific, allows molten iron full of the intracorporal die cavity of casting mould, shape that formation die cavity moulded cooling to molten iron
Shape, then casting die is specifically crushed, it can or cast the metal artificial tooth blank completed.
However, above-mentioned this casting method in actual production metal artificial tooth blank, casts the metal artificial tooth table of formation
The defects of facing sand eye, stomata, crackle, is more, and cast article yield is low, and accordingly, there exist improvements.
Summary of the invention
For the low technical problem of the cast article yield proposed in background technique, the present invention is intended to provide a kind of metal is solid
The processing method for defining tooth carries out casting operation by the method that setting molten iron is got rid of under the effect of certain centrifugal force, to subtract
The defects of few misrun, crackle, sand holes, stomata, to achieve the purpose that improve the quality of production.
To achieve the above object, the present invention provides the following technical scheme that
A kind of processing method of metal fixed denture, including S1: model reception-S2: disinfection-S3: pattern checking-S4: model
Production-S5: it wax pattern (carving wax)-S6: casting-S7: polishing-S8: upper porcelain-S9: correction of the flank shape state-S10: glazing-S11: throws
Light-S12: final inspection/disinfection-S13: packaging,
The S4: the model of modelling is using Ke Xunhuanliyong model (1) structure；
The S6: the specific method of casting is to open up sprue gate in the side of casting pattern, and liquid metal is arranged at sprue gate
Side allow casting pattern and liquid metal common rotation at the same time when liquid metal is poured into sprue gate so that liquid
State metal is being deposited in the die cavity for being injected into casting pattern under the influence of centrifugal force.
Through the above technical solutions, due to modelling in the prior art formed for simulating ability to speak feelings in human oral cavity
The model of condition needs to be crushed after the completion of use, by its internal metal for being used to play installation and connection function
Part takes out, in case metal parts next time uses, but model is all broken, can only lose as rubbish.Therefore, this programme
Model structure can be recycled is set, enable not only metal parts be recycled to next use, model structure is also not required to
To destroy completely, can keep next time it is spare, process and the time of material and manual manufacture is greatly saved.
Different molten iron casting methods is additionally provided in this programme, essential core technology is to cooperate centrifugal force effect,
When molten iron casting, using by molten iron under the effect of certain centrifugal force the method got rid of into so that molten iron when filling die cavity more
Rapidly, molten iron temperature loss reduces, and allows molten iron to fill in die cavity fuller, globality is more preferable, greatly reduces misrun, crackle, sand
The defects of eye, stomata, improve the quality of production.
The present invention is further arranged to: the S4: the model in modelling includes pedestal and artificial tooth gum, on the pedestal
Offer the first fixation hole, offered on the artificial tooth gum with one-to-one second fixation hole of first fixation hole, it is described
Artificial tooth gum further includes fine copper set nail, and one end of the fine copper set nail is inserted into first fixation hole, and the other end is inserted into institute
It states in the second fixation hole, the pedestal and artificial tooth gum is detachably fixed.
Through the above technical solutions, setting model is made of pedestal and artificial tooth gum two parts, and artificial tooth gum passes through fine copper set
Nail is removably mounted on pedestal.When needing to take out the metal parts in model, pedestal and artificial tooth gum are separated first, so
Artificial tooth gum is crushed afterwards, metal parts is taken out.Thus, pedestal can repeat to recycle.
The present invention is further arranged to: the fine copper set nail includes the first linkage section and the second linkage section, and described first connects
The diameter for connecing section is greater than the diameter of second linkage section.
It is made of through the above technical solutions, setting fine copper covers nail the first linkage section and second linkage section two parts, and the
The diameter of one linkage section is greater than the diameter of the second linkage section, to be formed with abutting between the first linkage section and the second linkage section
Table top abuts table top and abuts with pedestal/artificial tooth gum, so that fine copper set nail is not easy to fall completely in the mounting hole of side, so that pure
The installation of copper sheathing nail is more stable and secured.
The present invention is further arranged to: the side of second linkage section is equipped with decorative pattern texture structure.
Through the above technical solutions, decorative pattern texture structure is arranged, on the second linkage section to increase the second linkage section and peace
Frictional force between hole is filled, so that connection is more stable.Meanwhile pattern structure is set, convenient working worker is in installation fine copper set nail
When difference to the first linkage section and the second linkage section to accelerate installation speed improve working efficiency.
The present invention is further arranged to: the S6: casting is carried out using special installation, and the special installation includes:
Cylinder, the cylinder include cylinder and support rod, and the support rod is fixed on the bottom of the cylinder；
Pourable component, the pourable component are rotatably installed in cylinder along the axial direction of the cylinder；
Heating member, the heating member are used to be molten into liquid to the metal block heat temperature raising being placed on the pourable component
State.
Through the above technical solutions, heating member heats the metal in pourable component, until metal is from solid state transformed
For the liquid of molten iron；Meanwhile pouring practice process is completed along the axial with certain speed rotation of cylinder in pourable component.
The present invention is further arranged to: the pourable component includes shaft, cross bar, placing groove and melting tank, the shaft
Along the bottom surface that the axial direction of the cylinder is rotatably installed in cylinder, the cross bar is fixed in the shaft, with 360 degree of shaft
Rotation, the placing groove and the melting tank are interconnected and are each attached on cross bar.
Through the above technical solutions, casting model made of high temperature resistant calcination material is placed in placing groove, by solid-state gold
Category is placed in thawing vat, is heated by heating member to solid metallic, solid metallic is allowed to be converted into the liquid metal of molten iron,
Rotating shaft at the same time, liquid metal flow into the casting model in placing groove from melting tank under the action of the centrifugal force.
The present invention is further arranged to: the melting tank is mounted in the axial direction of the cylinder.
Through the above technical solutions, to be mounted on Cylindorical rod upward for setting melting tank, thus in melting tank rotation, always
It is maintained in the axial direction of cylinder, so that people are more convenient in the heating to the solid metallic in melting tank.
The present invention is further arranged to: the heating member is configured to high-temperature heating gas gun.
Through the above technical solutions, high-temperature heating gas gun is configured by heating member, in reality to the solid-state in placing groove
When metal is heated, high-temperature fuel gas heating gun can be fixed on cylinder, and heated nozzle is directed at placing groove, be made it possible to
In shaft rotation process, the solid metallic in placing groove is heated automatically and persistently.
The present invention is further arranged to: the bottom of the cylinder is equipped with the driving for driving the shaft to drive cross bar rotation
Motor.
Through the above technical solutions, setting driving motor, so that shaft can rotate automatically, and revolving speed is set in 10r/
Min or so, revolving speed are unsuitable too fast.
The present invention is further arranged to: the bottom of the melting tank is equipped with overflow launder, and the overflow launder is detachably fixed
On the cross bar.
Through the above technical solutions, the purpose of setting overflow launder is, and when the liquid metal in melting tank overflows, overflow
Slot can play the role of access to it, prevent liquid metal from falling into cylinder, so that cylinder is difficult to clear up.
In conclusion the invention has the following advantages:
(1) by cooperation centrifugal force effect, in molten iron casting, using the side for getting rid of into molten iron under the effect of certain centrifugal force
Method, so that molten iron is rapider when filling die cavity, molten iron temperature loss reduces, and allows molten iron to fill in die cavity fuller, whole
The defects of property is more preferable, greatly reduces misrun, crackle, sand holes, stomata, improves the quality of production；
(2) model structure can be recycled by setting, enable not only metal parts be recycled to next use, model
Structure does not need to destroy completely yet, can keep next time it is spare, process and the time of material and manual manufacture is greatly saved；
(3) by the way that decorative pattern texture structure is arranged on the second linkage section, to increase frictional force between the second linkage section and mounting hole,
So that connection is more stable.Meanwhile pattern structure is set, convenient working worker when installing fine copper set nail to the first linkage section and
The difference of second linkage section improves working efficiency to accelerate installation speed.
Detailed description of the invention
Fig. 1 is the processing process block diagram of fixed denture；
Fig. 2 is the overall structure diagram of existing model；
Fig. 3 is the separate structure schematic diagram of model；
Fig. 4 is the three dimensional structure diagram for the special installation that casting uses.
Appended drawing reference: 01, gypsum pedestal；02, gypsum gingival model；03, good tooth;1, model；11, pedestal；111, first
Fixation hole；12, artificial tooth gum；121, the second fixation hole；13, fine copper set nail；131, the first linkage section；132, the second linkage section；2,
Cylinder；21, cylinder；22, support rod；3, pourable component；31, shaft；32, cross bar；33, placing groove；34, melting tank；35, it drives
Motor；36, overflow launder；4, heating member.
Specific embodiment
Below with reference to examples and drawings, the present invention is described in further detail, but embodiments of the present invention are not only
It is limited to this.
A kind of processing method of metal fixed denture, in conjunction with Fig. 1 it is found that it is followed successively by S1 the step of processing: model reception-
S2: disinfection-S3: pattern checking-S4: modelling-S5: wax pattern (carving wax)-S6: casting-S7: polishing-S8: upper porcelain-
S9: correction of the flank shape state-S10: glazing-S11: polishing-S12: final inspection/disinfection-S13: packaging.
S1-S4 step, main work are the initial models that tooth is lacked in the oral cavity provided according to patient/surgeon,
Exactly receive initial model；Then, it carries out disinfection processing to initial model, using checking and two steps of the production of model
Suddenly.The effect of modelling is to restore the actual conditions in patient's mouth, the part for the tooth having had on model, also just like disease
The position of missing tooth in human mouth.It is completed to metal tooth processing and fabricating, finished metal artificial tooth implanting is lacked on model
Adding for metal artificial tooth, is detected at the position of tooth by observing and detecting the appropriate level that finished metal artificial tooth is planted on model
Working medium amount.
S5-S6 step, main work are that the null position of missing tooth is displayed according to model, produce metal tooth
The wax pattern of tooth casts out the blank of metal tooth according to the wax pattern of metal tooth.
S7-S13 step, main work are according to the blank for casting out the metal tooth come, that is, coarse metal
Then tooth polishes to it, so that the defects of burr on metal tooth, crimping disappears, then in the metal tooth of metallochrome
Upper porcelain, so that the appearance of metal tooth is similar with the color of teeth of human body, only internal is metal material, so that metal tooth
Rigidity it is very sufficient.The amendment process such as form, glazing and polishing is modified to the human body non-ferrous metal tooth after upper porcelain again, so that golden
It is finer to belong to tooth, better quality.Finally, examining the quality of metal tooth, qualified metal tooth pair by final inspection process
It is sterilized, and can be packed and is sent to patient's use.
These above-mentioned manufacturing procedure steps are for the processing technology step brief description to current metal artificial tooth.Then,
Existing S4: modelling in the actual operation process, in conjunction with Fig. 2 it is found that existing model is generally by gypsum pedestal 01, stone
Cream gingival model 02 is become reconciled 03 three parts of tooth composition, and gypsum pedestal 01 and gypsum gingival model 02 are integrally formed, and good tooth 03 passes through
Being fitted on gypsum gingival model 02 between base station and planting body die.After the completion of model use, in order to by gypsum
Planting body die in gingival model takes out, and needs to be crushed.When model to be crushed, model can not be reused, and
Fragmentation procedure is troublesome and wastes cast material.
Therefore, S4 is arranged: the model of modelling is using Ke Xunhuanliyong 1 structure of model.In conjunction with Fig. 3 it is found that S4: mould
Model 1 in type production includes pedestal 11, artificial tooth gum 12 and fine copper set nail 13.The first fixation hole 111 is offered on pedestal 11, it is false
It is offered on gum 12 and is inserted into the with one-to-one second fixation hole 121 of the first fixation hole 111, one end of fine copper set nail 13
In one fixation hole 111, the other end is inserted into the second fixation hole 121, and pedestal 11 and artificial tooth gum 12 are detachably fixed.
Wherein, fine copper set nail 13 includes the first linkage section 131 and the second linkage section 132, and the diameter of the first linkage section 131 is big
In the diameter of the second linkage section 132, and the side of the second linkage section 132 is equipped with decorative pattern texture structure.
Then, existing S6: casting in the actual operation process, cast the metal surface of denture sand holes of formation, stomata,
The defects of crackle, is more, and cast article yield is low.Therefore, in conjunction with Fig. 4 it is found that using new casting pouring procedure, generally,
The specific method of casting is to open up sprue gate in the side of casting pattern, liquid metal is arranged in the side at sprue gate, works as liquid
When state metal is poured into sprue gate, casting pattern and liquid metal common rotation are allowed at the same time, so that liquid metal is being deposited
It is injected into the die cavity of casting pattern under the influence of centrifugal force.
In conjunction with Fig. 4 it is found that S6: casting can be used equipment as shown in Figure 4 and carry out, which includes cylinder 2, pourable component
3 and 4 three parts of heating member.Installation carrier of the cylinder 2 as installation pourable component 3, pourable component 3 are mounted on the inside of cylinder 2.
Pourable component 3 completes pouring practice under the action of the centrifugal force, and heating member 4 is used to solid metallic being heated into liquid metal.
Cylinder 2 includes cylinder 21 and support rod 22, and support rod 22 is mounted on the bottom of cylinder 21, is used to support cylinder 21.
Meanwhile driving motor 35 being installed on the bottom surface of cylinder 2, driving motor 35 and pourable component 3 are drivingly connected, for driving casting
3 unitary rotation of component.And driving motor 35 is configured to the slower alternating current generator of revolving speed, revolving speed about 10r/min-15r/min.
Pourable component 3 includes shaft 31, cross bar 32, placing groove 33 and melting tank 34, axial direction rotation of the shaft 31 along cylinder 2
It is mounted on the bottom surface of cylinder 2, is drivingly connected between driving motor 35 and shaft 31 by retarder.Cross bar 32 is fixed on shaft
On 31 top, so that cross bar 32 can be rotated together with shaft 31.Meanwhile cross bar 32 is used as placing groove 33 and melting tank 34
Installation carrier, placing groove 33 and melting tank 34 are interconnected and are fixedly mounted on cross bar 32.
Heating operation is carried out to the solid metallic in melting tank 34 for convenience, setting melting tank 34 is mounted on cylinder 2
In axial direction, so that the position of melting tank 34 during rotation is constant always, remain in the axial direction of cylinder 2.Meanwhile it is molten
The bottom for changing slot 34 is equipped with overflow launder 36, and overflow launder 36 is adhesively fixed on cross bar 32.
Heating member 4 is used to be molten into liquid to the metal block heat temperature raising being placed on pourable component 3.And it heats
Part 4 is configured to high-temperature heating gas gun.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of processing method of metal fixed denture, including S1: model reception-S2: disinfection-S3: pattern checking-S4: mould
Type production-S5: it wax pattern (carving wax)-S6: casting-S7: polishing-S8: upper porcelain-S9: correction of the flank shape state-S10: glazing-S11: throws
Light-S12: final inspection/disinfection-S13: packaging, it is characterised in that:
The S4: the model of modelling is using Ke Xunhuanliyong model (1) structure；
The S6: the specific method of casting is to open up sprue gate in the side of casting pattern, and liquid metal is arranged at sprue gate
Side allow casting pattern and liquid metal common rotation at the same time when liquid metal is poured into sprue gate so that liquid
State metal is being deposited in the die cavity for being injected into casting pattern under the influence of centrifugal force.
2. a kind of processing method of metal fixed denture according to claim 1, it is characterised in that: the S4: model system
Model (1) in work includes pedestal (11) and artificial tooth gum (12), offers the first fixation hole (111), institute on the pedestal (11)
It states and is offered on artificial tooth gum (12) and one-to-one second fixation hole (121) of first fixation hole (111), the model
It (1) further include fine copper set nail (13), one end of the fine copper set nail (13) is inserted into first fixation hole (111), another
End is inserted into second fixation hole (121), and the pedestal (11) and artificial tooth gum (12) are detachably fixed.
3. a kind of processing method of metal fixed denture according to claim 2, it is characterised in that: the fine copper set nail
It (13) include the first linkage section (131) and the second linkage section (132), the diameter of first linkage section (131) is greater than described the
The diameter of two linkage sections (132).
4. a kind of processing method of metal fixed denture according to claim 3, it is characterised in that: second linkage section
(132) side is equipped with decorative pattern texture structure.
5. a kind of processing method of metal fixed denture according to claim 1, it is characterised in that: the S6: casting is adopted
It is carried out with special installation, the special installation includes:
Cylinder (2), the cylinder (2) include cylinder (21) and support rod (22), and the support rod (22) is fixed on the cylinder
(21) bottom；
Pourable component (3), the pourable component (3) are rotatably installed in cylinder (2) along the axial direction of the cylinder (2)；
Heating member (4), the heating member (4) are used for the metal block heat temperature raising being placed on the pourable component (3), by it
It is molten into liquid.
6. a kind of processing method of metal fixed denture according to claim 5, it is characterised in that: the pourable component
It (3) include shaft (31), cross bar (32), placing groove (33) and melting tank (34), axis of the shaft (31) along the cylinder (2)
To being rotatably installed on the bottom surface of cylinder (2), the cross bar (32) is fixed on the shaft (31), with shaft (31) 360
Degree rotation, the placing groove (33) and the melting tank (34) are interconnected and are each attached on cross bar (32).
7. a kind of processing method of metal fixed denture according to claim 6, it is characterised in that: the melting tank (34)
It is mounted in the axial direction of the cylinder (2).
8. a kind of processing method of metal fixed denture according to claim 5, it is characterised in that: the heating member (4)
It is configured to high-temperature heating gas gun.
9. a kind of processing method of metal fixed denture according to claim 5, it is characterised in that: the cylinder (2)
Bottom is equipped with the driving motor (35) for driving the shaft (31) to drive cross bar (32) rotation.
10. a kind of processing method of metal fixed denture according to claim 6, it is characterised in that: the melting tank
(34) bottom is equipped with overflow launder (36), and the overflow launder (36) is detachably secured on the cross bar (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910218607.XA CN109822073A (en) | 2019-03-21 | 2019-03-21 | A kind of processing method of metal fixed denture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910218607.XA CN109822073A (en) | 2019-03-21 | 2019-03-21 | A kind of processing method of metal fixed denture |
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| CN109822073A true CN109822073A (en) | 2019-05-31 |
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ID=66870973
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| CN201910218607.XA Pending CN109822073A (en) | 2019-03-21 | 2019-03-21 | A kind of processing method of metal fixed denture |
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