CN101549946B - Method for packing nickel base alloy into glass mold cavity adopting silicon-copper alloy as base metal matrix - Google Patents
Method for packing nickel base alloy into glass mold cavity adopting silicon-copper alloy as base metal matrix Download PDFInfo
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- CN101549946B CN101549946B CN2009100265073A CN200910026507A CN101549946B CN 101549946 B CN101549946 B CN 101549946B CN 2009100265073 A CN2009100265073 A CN 2009100265073A CN 200910026507 A CN200910026507 A CN 200910026507A CN 101549946 B CN101549946 B CN 101549946B
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Abstract
The invention relates to a method for packing a nickel base alloy into a glass mold cavity adopting silicon-copper alloy as a base metal matrix, which belongs to the technical field of glass mold cavity processing. The method comprises the steps of mold cavity preprocessing, preheating, pre-welding treatment, welding, annealing and finish machining. The method has the advantages that the nickel bas alloy can be reliably combined with the glass mold cavity adopting the silicon copper alloy as the base metal matrix, the characteristics of the copper alloy and the nickel base alloy are fully utilized to meet the requirements of high machine speed and long service life to the mold expected by glass product manufacturers, the method is simple, the cost is low, and the industrialized production requirement can be satisfied.
Description
Technical field
The invention belongs to the glass mold processing technique field, being specifically related to a kind of copper-silicon alloy is the interior method of filling nickel-base alloy of glass mold die cavity of mother metal matrix.
Background technology
In order to prolong effectively by material is the work-ing life of the glass mold of heat-resisting alloy iron castings making, adopts manual hot-spraying techniques (oxyacetylene torch spraying) to spray nickel-base alloy powder usually in easily impaired glass mold die cavity, forms nickel base alloy layer.Because nickel-base alloy has characteristics such as good erosion resistance, oxidation-resistance, thermal fatigue resistance, the method that therefore sprays nickel-base alloy powder in the glass mold die cavity can prolong the life-span of glass mold undoubtedly.But owing to make the body material of glass mold is heat-resisting alloy iron castings, and that the deadly defect of heat-resisting alloy iron castings is a heat-conductive characteristic is poor, thereby can't satisfy the high machine speed requirement that glasswork manufacturers gets institute's phase.Known, the heat-conductive characteristic of Si-Cu alloy material is that heat-resisting alloy iron castings material is unrivaled, therefore if use the mother metal matrix of copper-silicon alloy, can satisfy the desired high machine speed requirement of glasswork manufacturers so, but have short problem in work-ing life again as glass mold.Perhaps mold manufacturing industry circle can expect without thinking that to copper-silicon alloy be too with manual hot-spraying techniques spraying nickel-base alloy in the glass mold die cavity of mother metal matrix, the advantage of using the mother metal matrix that makes aforesaid two kinds of differing materials gets both, promptly, both satisfy high machine speed requirement, satisfied the requirement of long service life again.But, facts have proved: manual hot-spraying techniques coating porosity degree is bigger, lower with the bonding strength of body material, can't make nickel-base alloy and copper alloy good combination, easily come off after using on the machine, can't satisfy the requirement of system bottle enterprise, propose the problem of technological challenge therefore for glass mold manufacturer.
Summary of the invention
Task of the present invention is that a kind of copper-silicon alloy will be provided is the method for filling nickel-base alloy in the glass mold die cavity of mother metal matrix, this method can make nickel-base alloy and copper alloy reliable connection and to use obscission and the technological process avoided in use terse and with low cost, help industrialized mass production, the mould that obtains can satisfy the requirement of high machine speed and long service life.
Task of the present invention is finished like this, fills the method for nickel-base alloy in the glass mold die cavity that a kind of copper-silicon alloy is the mother metal matrix, and it may further comprise the steps:
A) die cavity preprocessing, the copper-silicon alloy that obtains being cast by former process is that the die cavity of the die blank of mother metal matrix mills processing, mill and remove the mold cavity surface cortex, and around die cavity, outwards expand welding position, the size of the welding position that control is expanded, again to the short transverse of die cavity with the interval state offer the transverse concave groove that is used to strengthen the bonding strength that nickel-base alloy combines with described mother metal matrix, obtain treating pre-heated work pieces;
B) preheating will treat that pre-heated work pieces is positioned over preheating in the process furnace, and control preheating temperature and warm up time, after coming out of the stove, obtain workpiece to be welded;
C) pre-welding treatment is treated die cavity, groove and the reservation welding position position of welder's part and is carried out clean;
D) welding is welded to nickel-base alloy bare welding filler metal in the die cavity, and the layer thickness of the welding current of control welding machine and the specification of controlling selected nickel-base alloy bare welding filler metal and the each welding of control, the work in-process workpiece after obtaining welding;
E) anneal, the work in-process workpiece after the welding is inserted in the annealing furnace anneal, obtain treating finishing workpiece after the cooling;
F) precision work will treat that finishing workpiece is the glass mold finished product of mother metal matrix by milling the copper-silicon alloy that obtains filling in the die cavity nickel-base alloy behind processing, Vehicle Processing and the polishing process.
In a specific embodiment of the present invention, steps A) welding position described in is of a size of 1-2mm, and all sharp corners are adopted arc transition.
The width of the groove in another specific embodiment of the present invention, steps A) is 1-1.2mm, and the degree of depth is 0.45-0.6mm, and the spacing between the adjacent grooves is 6-8mm.
In another specific embodiment of the present invention, step B) the control preheating temperature described in and be meant warm up time preheating temperature and be controlled to be 300-400 ℃, 30-60min warm up time respectively.
In another specific embodiment of the present invention, step C) clean described in is to mold cavity surface, groove and marginal position dusting out and the oxide compound reserved by welding position.
Go back in the specific embodiment of the present invention, the used instrument of described clean is a metal brush, and described metal brush is that the brush awns is the brush of copper wire.
More of the present invention and in specific embodiment, being welded as step D) adopted the direct-flow argon-arc welder welding, described control welding current is that welding current is controlled to be 160-180A, and the specification of described control nickel-base alloy bare welding filler metal is the specification of nickel-base alloy bare welding filler metal to be selected for use the NiCr-3 type welding wire of diameter 2.4mm.
The thickness of the layer of the each welding of control in of the present invention and then specific embodiment, step D) is 1.0mm-1.6mm, and welding times is 2-4 time.
Of the present invention again more and in specific embodiment, step e) the annealed annealing temperature described in is 300-500 ℃, and soaking time is 1-2h.
In again of the present invention and then specific embodiment, step e) be cooled to furnace cooling described in, be 〉=8h cooling time.
The advantage of technical scheme provided by the present invention is: can be that the glass mold die cavity of mother metal matrix combines with copper-silicon alloy reliably with nickel-base alloy, make full use of two kinds of properties of materials of copper alloy and nickel-base alloy and adapt to the requirement of glasswork manufacturers to high machine speed of the desired adaptation of mould and long service life; Method is simple and cost is low, can be satisfied with the suitability for industrialized production requirement.
Embodiment
Embodiment 1:
With the processing cavity maximum diameter is 25 ± 0.05mm, and the glass mold that highly is 30 ± 0.05mm is an example.
A) die cavity preprocessing, preferred but not to select model by the production and sales of Chinese Ningxia Little Big Man company limited for use be the VT160AN/2P vertical machining centre with being limited to the copper-silicon alloy that is obtained by the former process casting is that the die cavity of the die blank of mother metal matrix mills processing, mill the surperficial cortex that removes in the die cavity, in milling the course of processing, to the welding position (welding position or title weld) that outwards expands 1mm around the die cavity, make the maximum diameter of die cavity become 27mm, highly be 32mm, again the short transverse of die cavity is offered three grooves at intervals with 8mm, the width of each groove is 1mm, the degree of depth is 0.45mm, the effect of groove is: be used to strengthen the bonding strength (tenon fourth of the twelve Earthly Branches effect) that nickel-base alloy combines with described mother metal matrix (copper-silicon alloy mother metal matrix), arc transition is all adopted at all sharp corners positions of groove and die cavity, obtains treating pre-heated work pieces;
B) preheating will be by steps A) resultingly treat that pre-heated work pieces is positioned over preheating in (sending into) process furnace, preheating temperature is 300 ℃, the time is that constant temperature time is 60min, after coming out of the stove, obtains workpiece to be welded;
C) pre-welding treatment is that the copper brush of copper wire system is to by step B with the brush awns) die cavity (die cavity of mould, as follows) of resulting part such as the welder of grade, groove and in steps A) in the zone of the 1mm that reserved by welding position clean, use dusting out and oxide compound;
D) welding, preferred but not uses with being limited to and be WSM-315 type argon welder star-like number by the auspicious auspicious icepro of insulting Electrical Appliances Co., Ltd's production in Chinese Guangdong province Shenzhen, it is the ERNiCr-3 type welding wire of 3/23 " X32 " that nickel-base alloy bare welding filler metal is selected the specification of being produced by U.S. ARCOS company for use, welding current: during the welding the first layer is 180A, during the second layer 175A, position to be welded adds welding wire welding the first layer after forming the molten bath, after the first layer has welded, copper brush described in the oxide compound (using step C) of removal the first layer face of weld), and then the welding second layer, every layer throat thickness is 1mm, and obtaining the die cavity maximum diameter is 23mm, highly is the work in-process workpiece of 32mm;
E) annealing will be by step D) work in-process workpiece after the welding that obtains puts into (sending into) annealing furnace, and Control for Kiln Temperature is 300 ℃, and the time is controlled to be 60min, and furnace cooling is to come out of the stove behind the slow cooling 8h, obtains treating finishing workpiece;
F) precision work, will be by step e) finishing workpiece for the treatment of that obtains adopts steps A) described in vertical machining centre mill processing, with die cavity roughing, making the die cavity maximum diameter is 24.5mm, highly be 30.5mm, the model with aforesaid vertical machining centre is that the QTN150 digital controlled lathe is refined to diameter 25mm to die cavity then, highly is 30+0.05mm, and after polishing, the copper-silicon alloy that obtains being filled with in the die cavity nickel-base alloy is the glass mold of mother metal matrix.
Die cavity nickel base alloy layer place after testing, nickel-base alloy and copper matrix bond place do not have welding pore and crackle, and nickel base alloy layer and copper-silicon alloy are that the junction of mother metal matrix has the 1.4-2.2mm pervious course.
Embodiment 2:
Diameter with the processing cavity maximum is 20 ± 0.05mm, and the glass mold that highly is 27 ± 0.05mm is an example.
A) die cavity preprocessing, preferred but not to select model by the production and sales of Chinese Ningxia Little Big Man company limited for use be the VT160AN/2P vertical machining centre with being limited to the copper-silicon alloy that is obtained by the former process casting is that the die cavity of the die blank of mother metal matrix mills processing, mill the surperficial cortex that removes in the die cavity, in milling the course of processing, to outwards expanding the welding position of 1.5mm around the die cavity, promptly, make the diameter of die cavity become 23mm, highly become 30mm, again the short transverse of die cavity is offered four grooves at intervals with 6mm, the width of each groove is 1.1mm, the degree of depth is 0.55mm, the effect of groove is: be used to strengthen the bonding strength that nickel-base alloy combines with described mother metal matrix (copper-silicon alloy mother metal matrix), arc transition is all adopted at all sharp corners positions of groove and die cavity, obtains treating pre-heated work pieces;
B) preheating will be by steps A) resultingly treat that pre-heated work pieces is positioned over preheating in (sending into) process furnace, preheating temperature is 350 ℃, the time is that constant temperature time is 48min, after coming out of the stove, obtains workpiece to be welded;
C) pre-welding treatment is that the copper brush of copper wire system is to by step B with the brush awns) die cavity (die cavity of mould, as follows) of resulting part such as the welder of grade, groove and in steps A) in the zone of the 1.5mm that reserved by welding position clean, use dusting out and oxide compound;
D) welding, preferred but not uses with being limited to and be WSM-315 type argon welder star-like number by the auspicious auspicious icepro of insulting Electrical Appliances Co., Ltd's production in Chinese Guangdong province Shenzhen, it is the ERNiCr-3 type welding wire of 3/23 " X32 " that nickel-base alloy bare welding filler metal is selected the specification of being produced by U.S. ARCOS company for use, welding current: during the welding the first layer is 175A, during the second layer 170A, position to be welded adds welding wire welding the first layer after forming the molten bath, after the first layer has welded, copper brush described in the oxide compound (using step C) of removal the first layer face of weld), and then the welding second layer, every layer throat thickness is 1.55mm, obtains the die cavity maximum diameter and is 16.8mm and highly be the work in-process workpiece of 30mm;
E) annealing will be by step D) work in-process workpiece after the welding that obtains puts into (sending into) annealing furnace, and Control for Kiln Temperature is 350 ℃, and the time is controlled to be 48min, and furnace cooling is to come out of the stove behind the slow cooling 9h, obtains treating finishing workpiece;
F) precision work, will be by step e) finishing workpiece for the treatment of that obtains adopts steps A) described in vertical machining centre mill processing, with die cavity roughing, make die cavity maximum diameter 19.5mm, highly be 27.5mm, the model with aforesaid vertical machining centre is that the QTN150 digital controlled lathe is refined to diameter 20-0.05mm to die cavity then, highly is 27+0.05mm, and after polishing, the copper-silicon alloy that obtains being filled with in the die cavity nickel-base alloy is the glass mold of mother metal matrix.
Die cavity nickel base alloy layer place after testing, nickel-base alloy and copper matrix bond place do not have welding pore, crackle, and nickel base alloy layer and copper-silicon alloy are that mother metal matrix bond place has the 1.3-2.1mm pervious course.
Embodiment 3:
With the processing cavity maximum diameter is 27 ± 0.05mm, and the glass mold that highly is 15 ± 0.05mm is an example.
A) die cavity preprocessing, preferred but not to select model by the production and sales of Chinese Ningxia Little Big Man company limited for use be the VT160AN/2P vertical machining centre with being limited to the copper-silicon alloy that is obtained by the former process casting is that the die cavity of the die blank of mother metal matrix mills processing, mill the surperficial cortex that removes in the die cavity, in milling the course of processing, to the welding position (welding position or title weld) that outwards expands 2mm around the die cavity, promptly, make the diameter of die cavity maximum become 31mm, highly be 19mm, again the short transverse of die cavity is offered two grooves at intervals with 6.3mm, the width of each groove is 1.2mm, the degree of depth is 0.6mm, the effect of groove is: be used to strengthen the bonding strength that nickel-base alloy combines with described mother metal matrix (copper-silicon alloy mother metal matrix), arc transition is all adopted at all sharp corners positions of groove and die cavity, obtains treating pre-heated work pieces;
B) preheating will be by steps A) resultingly treat that pre-heated work pieces is positioned over preheating in (sending into) process furnace, preheating temperature is 400 ℃, the time is that constant temperature time is 30min, after coming out of the stove, obtains workpiece to be welded;
C) pre-welding treatment is that the copper brush of copper wire system is to by step B with the brush awns) die cavity (die cavity of mould, as follows) of resulting part such as the welder of grade, groove and in steps A) in the zone of the 2mm that reserved by welding position clean, use dusting out and oxide compound;
D) welding, preferred but not uses with being limited to and be WSM-315 type argon welder star-like number by the auspicious auspicious icepro of insulting Electrical Appliances Co., Ltd's production in Chinese Guangdong province Shenzhen, it is the ERNiCr-3 type welding wire of 3/23 " X32 " that nickel-base alloy bare welding filler metal is selected the specification of being produced by U.S. ARCOS company for use, welding current: during the welding the first layer is 170A, during the second layer 165A, position to be welded adds welding wire welding the first layer after forming the molten bath, after the first layer has welded, copper brush described in the oxide compound (using step C) of removal the first layer face of weld), and then the welding second layer, weld the 3rd layer after removing the oxide compound of second layer face of weld, welding current is 160A, every layer throat thickness is 1.2mm, and the maximum diameter that obtains die cavity is 23.2mm, the work in-process workpiece of height 19mm;
E) annealing will be by step D) work in-process workpiece after the welding that obtains puts into (sending into) annealing furnace, and Control for Kiln Temperature is 400 ℃, and the time is controlled to be 30min, and furnace cooling is to come out of the stove behind the slow cooling 9h, obtains treating finishing workpiece;
F) precision work, will be by step e) finishing workpiece for the treatment of that obtains adopts steps A) described in vertical machining centre mill processing, with die cavity roughing to die cavity maximum diameter 26.5mm, high 15.5mm, model with aforesaid vertical machining centre is that the QTN150 digital controlled lathe is refined to diameter 27-0.05mm to die cavity then, highly be 15+0.05mm, and after polishing, the copper-silicon alloy that obtains being filled with in the die cavity nickel-base alloy is the glass mold of mother metal matrix.
Die cavity nickel base alloy layer place after testing, nickel-base alloy and copper matrix bond place do not have welding pore, crackle, and nickel base alloy layer and copper-silicon alloy are that mother metal matrix bond place has the 1.1-2.0mm pervious course.
The applicant need to prove that the layer thickness among the embodiment 1 to 3 does not all comprise the part that is filled in the groove.The applicant all is that the maximum diameter with die cavity is that benchmark describes in embodiment 1 to 3, according to the principle of drawing inferences about other cases from one instance, those of skill in the art can't to other position of the glass mold die cavity of reducing for example minimum diameter exist too with the similar change procedure of maximum diameter and produce puzzlement on understanding.
Claims (4)
1. fill the method for nickel-base alloy in the glass mold die cavity that a copper-silicon alloy is the mother metal matrix, it is characterized in that it may further comprise the steps:
A) die cavity preprocessing, the copper-silicon alloy that obtains being cast by former process is that the die cavity of the die blank of mother metal matrix mills processing, mill and remove the mold cavity surface cortex, and around die cavity, outwards expand welding position, the size of the welding position that control is expanded, again to the short transverse of die cavity with the interval state offer the transverse concave groove that is used to strengthen the bonding strength that nickel-base alloy combines with described mother metal matrix, obtain treating pre-heated work pieces;
B) preheating will treat that pre-heated work pieces is positioned over preheating in the process furnace, and control preheating temperature and warm up time, after coming out of the stove, obtain workpiece to be welded;
C) pre-welding treatment is treated the die cavity, groove of welder's part and is carried out clean by the position that welding position is reserved;
D) welding is welded to nickel-base alloy bare welding filler metal in the die cavity, and the layer thickness of the welding current of control welding machine and the specification of controlling selected nickel-base alloy bare welding filler metal and the each welding of control, the work in-process workpiece after obtaining welding;
E) anneal, the work in-process workpiece after the welding is inserted in the annealing furnace anneal, obtain treating finishing workpiece after the cooling;
F) precision work, to treat that finishing workpiece is by milling processing, the copper-silicon alloy that obtains filling nickel-base alloy in the die cavity behind Vehicle Processing and the polishing process is the glass mold finished product of mother metal matrix, wherein: the welding position steps A) is of a size of 1-2mm, and all sharp corners are adopted arc transition, the width of described groove is 1-1.2mm, the degree of depth is 0.45-0.6mm, spacing between the adjacent grooves is 6-8mm, step B) the control preheating temperature described in and be meant warm up time preheating temperature and be controlled to be 300-400 ℃ warm up time respectively, 30-60min, step D) the control welding current described in is that welding current is controlled to be 160-180A, the specification of described control nickel-base alloy bare welding filler metal is the specification of nickel-base alloy bare welding filler metal to be selected for use the NiCr-3 type welding wire of diameter 2.4mm, the thickness of the layer of the each welding of described control is 1.0mm-1.6mm, welding times is 2-4 time, step e) the annealed annealing temperature described in is 300-500 ℃, soaking time is 1-2h, the described furnace cooling that is cooled to, be 〉=8h cooling time.
2. fill the method for nickel-base alloy in the glass mold die cavity that copper-silicon alloy according to claim 1 is the mother metal matrix, it is characterized in that step C) described in clean be to mold cavity surface, groove and marginal position dusting out and the oxide compound reserved by welding position.
3. fill the method for nickel-base alloy in the glass mold die cavity that copper-silicon alloy according to claim 2 is the mother metal matrix, it is characterized in that the used instrument of described clean is a metal brush, described metal brush is the brush of copper wire for the brush awns.
4. fill the method for nickel-base alloy in the glass mold die cavity that copper-silicon alloy according to claim 1 is the mother metal matrix, it is characterized in that step D) described in be welded as and adopt the direct-flow argon-arc welder welding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100265073A CN101549946B (en) | 2009-05-11 | 2009-05-11 | Method for packing nickel base alloy into glass mold cavity adopting silicon-copper alloy as base metal matrix |
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| CN2009100265073A CN101549946B (en) | 2009-05-11 | 2009-05-11 | Method for packing nickel base alloy into glass mold cavity adopting silicon-copper alloy as base metal matrix |
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| CN101549946A CN101549946A (en) | 2009-10-07 |
| CN101549946B true CN101549946B (en) | 2010-12-29 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501047A (en) * | 2011-11-30 | 2012-06-20 | 苏州东方模具科技股份有限公司 | Process for filling nickel-based welding materials into cup-handle mold cavity of glass mold |
| CN102806408A (en) * | 2012-09-05 | 2012-12-05 | 常熟市精工模具制造有限公司 | Full spray welding method for boundary of inner cavity of copper alloy glass mould |
| US9145323B2 (en) | 2013-01-21 | 2015-09-29 | Corning Incorporated | Molds for shaping glass and methods for making the same |
| CN103111736B (en) * | 2013-01-29 | 2014-12-03 | 苏州东方模具科技股份有限公司 | Alloyed powder moistureproof conveying device for glass mold plasma spray welding |
| CN105014201B (en) * | 2014-04-23 | 2017-07-07 | 沈阳鼓风机集团核电泵业有限公司 | Presurized water reactor core level casting foreign material repair method |
| CN105619039A (en) * | 2016-03-18 | 2016-06-01 | 曾庆鹏 | Cast-iron nickel alloy spray mold machining technology |
| CN111843145A (en) * | 2020-07-30 | 2020-10-30 | 常熟市市南模具有限责任公司 | Welding process for tempered glass mold |
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| EP1084994B1 (en) * | 1999-09-20 | 2007-08-08 | Owens-Brockway Glass Container Inc. | Liquid cooling of glassware molds |
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| CN2131858Y (en) * | 1992-04-14 | 1993-05-05 | 生水 | Glass tube mould |
| CN2266596Y (en) * | 1996-12-02 | 1997-11-05 | 浦建民 | Bottle-mouth die |
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Owner name: ORI MOULD TECHNOLOGY (SUZHOU) CO., LTD. Free format text: FORMER NAME: SUZHOU ORI-MOULD TECHNOLOGY CO., LTD. |
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Address after: 215533, nine, Yinhe Road, hi tech Industrial Park, Southeast Development Zone, Jiangsu, Changshou City Patentee after: ORI Mould Technology (Suzhou) Co., Ltd. Address before: 215533, 9, Yinhe Road, hi tech Industrial Park, Southeast Development Zone, Jiangsu, Changshou City Patentee before: Suzhou Ori-mould Technology Co., Ltd. |