CN103264264A - Method for spray welding of nickel base alloy powder on surface of glass mold puncher pin with copper alloy as base metal substrate - Google Patents
Method for spray welding of nickel base alloy powder on surface of glass mold puncher pin with copper alloy as base metal substrate Download PDFInfo
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- CN103264264A CN103264264A CN2013102121947A CN201310212194A CN103264264A CN 103264264 A CN103264264 A CN 103264264A CN 2013102121947 A CN2013102121947 A CN 2013102121947A CN 201310212194 A CN201310212194 A CN 201310212194A CN 103264264 A CN103264264 A CN 103264264A
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Abstract
The invention discloses a method for spray welding of nickel base alloy powder on a surface of a glass mold puncher pin with copper alloy as a base metal substrate, and belongs to the technical field of glass mold auxiliary component processing. The method comprises the following steps: selecting a base metal substrate, selecting welding materials, carrying out surface preprocessing, carrying out spray welding, carrying out heat treatment and carrying out finish machining. According to the technical scheme, a nickel base alloy layer and the contact end of glass melt of the copper alloy substrate are made to reflect ideal metallurgical bonding effects, the glass mold puncher pin is reliably guaranteed to have excellent corrosion resistant performance, hardness and heat dispersion performance, the situation that the nickel base alloy layer peels off in a using process cannot occur, and the high machine speed requirements of a bottle-making machine can be met. Due to the fact that manual spray welding is not necessary, the method has the advantages of being high in efficiency and reducing labor intensity of workers. Due to the fact that the service life of the glass mold puncher pin can be obviously prolonged, the mold using cost of glass product manufacturers can be reduced.
Description
Technical field
The invention belongs to glass mold accessory processing technique field, being specifically related to an Albatra metal-is the method for the glass mold punch head surface surfacing Co-based alloy powder of mother metal matrix.
Background technology
The function of drift on glass mold is that industry is known, is to adopt the method for blowing to produce the indispensable parts of glass container such as vial.After a pair of parison mold half module opposite each other (the industry custom is called the blocker half module) closure, the frit of fusion is introduced parison mold half module die cavity, and by the drift that the high temperature glass frits of molten condition will the be arranged in parison mold half module die cavity parcel of (looking different glass container product) wholly or in part, by the drift cooler in the drift chamber of drift drift is cooled off fast subsequently, in order to make the frit cooling that before is wrapped in the drift outer wall, remove drift, blow again, form blank, open the parison mold half module at last, and then the glass container blank is introduced shaping mould and carry out the secondary blow molding.
In use, because the molded surface of drift is that the glass melt contact jaw frequently contacts (5-10 time/minute) with glass melt, and neck and choma frictional impact, thereby can produces and be not limited to following several damage situation: the one, surface corrosion; The 2nd, surface abrasion; The 3rd, neck fractures.Surface corrosion and surface abrasion can make the size of drift produce deviation, and the frit of fusion is extremely responsive to the change in size of drift, particularly, even little vast dimensional discrepancy (corrosion and wearing and tearing institute are extremely) appears in drift, capital influence is to the glass container Forming Quality of vial as described above, require drift to have good heat endurance in view of this usually and use avoid being out of shape, desirable wearability and using embodies long service life and excellent evenness of wall thickness and use the quality that ensures final glass container such as the uniformity effect of wall thickness.
Drift in the prior art generally uses heat-resisting alloy cast iron as matrix material, and to molded surface (be drift under the use state continually with the contacted position of the frit of fusion, also claim the glass melt contact jaw, as follows) use hardened surface with manual work mode surfacing (oxy-acetylene flame surfacing) Co-based alloy powder, so that opposing molten glass material is to corrosion and the wearing and tearing of cast iron matrix, this drift can satisfy the production requirement of bottle-making machine basically.
But, along with constantly improving of glassware forming technique and improving constantly of bottle-making machine machine speed, thereby require glass mold to have radiating rate faster, drift as the accessory of complete glass mold is no exception, and say in a sense, both require drift to have ultimate attainment heat dispersion, required to have higher intensity again to avoid the neck fracture.The pure nickel-base alloy making drift that uses can significantly improve intensity, and can satisfy the high machine speed requirement that improves day by day, but has following 2 shortcomings: the one, and expensive, cause use cost to enlarge markedly; The 2nd, heat dispersion is the lifting DeGrain for aforesaid heat-resisting alloy cast iron.Undoubtedly, if use copper alloy made glass mold drift, radiating effect can significantly promote so, because the pyroconductivity of copper alloy is much higher than cast iron, but the intensity of copper alloy but is inferior to heat-resisting alloy cast iron.
Spraying at the glass mold punch head surface that with the copper alloy is the mother metal matrix is that the surfacing Co-based alloy powder can get it with excellent intensity is double with desirable thermal diffusivity, and also is the effective measures that present industry is generally acknowledged.But, how to make surfacing suffer from industry for a long time with the problem of matrix reliable connection enduringly in the Co-based alloy powder on matrix (copper alloy matrix) surface, because if the nickel base alloy spray welding layer can not with matrix (copper alloy matrix) reliable connection, spray-welding coating so in use can occur strips off, make the molded surface of drift strengthen inefficacy, wear-resisting and antiseptic effect can't embody.Just because of this factor, thereby having hindered to a great extent that industry selects with copper alloy is that the mother metal matrix is as the process of glass mold drift.
Chinese invention patent Granted publication CN101549946B recommends to have " silicon copper is the interior method of filling nickel-base alloy of the glass mold die cavity of mother metal matrix " (being proposed by the applicant), yet this patent is the mode of adopting argon arc welding fills nickel-base alloy bare welding filler metal in the glass mold die cavity, thereby for not having referential technical meaning at punch head surface with automated manner surfacing Co-based alloy powder.
At above-mentioned prior art, the applicant has done time consuming exploration and experiment repeatedly, has formed technical scheme described below finally, and is taking to the experiment proved that it is practicable under the strict secrecy provision.
Summary of the invention
It is the method for the glass mold punch head surface surfacing Co-based alloy powder of mother metal matrix that task of the present invention is to provide an Albatra metal-, and this method helps to make between spray-welding coating and the copper alloy matrix and to embody excellent metallurgical binding effect and use and avoid in use that spray-welding coating obscission occurs and guarantees that molded surface has desirable hardness.
Task of the present invention is finished like this, and an Albatra metal-is the method for the glass mold punch head surface surfacing Co-based alloy powder of mother metal matrix, may further comprise the steps:
A) choose the mother metal matrix, choose the cast copper alloy bar, and chemical element and the quality % content thereof of this cast copper alloy bar are analyzed, obtain the mother metal matrix;
B) choose wlding, choose Co-based alloy powder and chemical element and the quality % content thereof of this Co-based alloy powder are analyzed, obtain wlding;
C) surface preparation, by lathe to by steps A) an end Vehicle Processing of the mother metal matrix that obtains goes out to clamp reference edge, and the other end turning of mother metal matrix is gone out the glass melt contact jaw, and control obtains the drift base substrate to the turning surplus on the surface of glass melt contact jaw;
D) surfacing, utilize plasma welding machine and will be by step B under protective gas) the wlding surfacing that obtains is to by step C) surface of the glass melt contact jaw of the drift base substrate that obtains, and control the technological parameter of surfacing, obtain having at the surface spraying weld of glass melt contact jaw the surfacing blank of nickel base alloy layer;
E) heat treatment will be by step D) the surfacing blank that obtains drops into heat-treatment furnace and heat-treats, and control heat treatment temperature and heat treatment time obtain treating finishing workpiece;
F) fine finishining is to step e) finishing workpiece for the treatment of that obtains machines and is drilled with the cooling hole, and the glass mold punch head surface surfacing that obtains copper alloy and be the mother metal matrix has the drift finished product of Co-based alloy powder layer.
In a specific embodiment of the present invention, the chemical element of cast copper alloy bar and quality % content thereof are analyzed steps A) is that chemical element and quality % thereof are controlled to be: the zinc of the nickel of 14-16%, the aluminium of 8.5-10.5% and 7.5-9.5%, Yu Weitong and unavoidable impurities.
In another specific embodiment of the present invention, the chemical element of Co-based alloy powder and quality % content thereof are analyzed step B) is that chemical element and quality % thereof are controlled to be: the iron of the chromium of 5.1-6%, the silicon of 1-1.6%, 1.2-1.8% and the carbon of 0.2-0.35%, surplus is nickel.
In another specific embodiment of the present invention, step C) control described in to the turning surplus on the surface of glass melt contact jaw be with the surperficial car of glass melt contact jaw except and step D) described in the consistent amount of the thickness of nickel base alloy layer.
In another specific embodiment of the present invention, step D) plasma welding machine described in is the five-shaft numerical control plasma welding machine.
Also have in the specific embodiment step D of the present invention) described in the technological parameter of control surfacing refer to: the purity of the flow of control protective gas, control protective gas, the conveying capacity of control wlding, the control surfacing is last in the process of implementing surfacing around the circumferencial direction of described glass melt contact jaw 12 encloses to the temperature of the dead time between next circle of surfacing, control surfacing electric current, control drift base substrate and control the thickness of described nickel base alloy layer.
More of the present invention and in specific embodiment, the flow of described control protective gas is that the flow-control with protective gas is 1.8-2L/min; The purity of described control protective gas is that the purity with protective gas is controlled to be 99.99%; The conveying capacity of described control wlding is that the conveying capacity with wlding is controlled to be 10-18g/min; Described control surfacing is last enclose to the dead time between next circle of surfacing be that the dead time is controlled to be 10-60S; Electric current when the surfacing initial current when described control surfacing electric current comprises the control surfacing, the control ongoing electric current of surfacing and control surfacing finish up; Initial temperature when the temperature of described control drift base substrate comprises the control surfacing and surfacing ending temperature; The thickness of described control nickel base alloy layer is to be 0.5-5 ㎜ with THICKNESS CONTROL.
In of the present invention and then specific embodiment, the surfacing initial current during described control surfacing is that the surfacing initial current is controlled to be 60-90A; The ongoing electric current of described control surfacing is to be 65-115A with the ongoing Current Control of surfacing; Electric current during described control surfacing ending is that the Current Control when surfacing is finished up is 20-30A.
Of the present invention again more and in specific embodiment, the initial temperature during described control surfacing and surfacing ending temperature are that initial temperature and the surfacing ending temperature during with surfacing is controlled to be 20-40 ℃ and 380-450 ℃ respectively.
In again of the present invention and then specific embodiment, step e) the control heat treatment temperature described in and heat treatment time are heat treatment temperature and heat treatment time to be controlled to be 400-500 ℃ of insulation respectively cooled off with stove then in 3-4 hour.
Technical scheme provided by the invention can make and embody desirable metallurgical binding effect between the glass melt contact jaw of nickel base alloy layer and copper alloy matrix, can ensure reliably that the glass mold drift has excellent Corrosion Protection, hardness and heat dispersion, the situation that nickel base alloy layer strips off can in use not occur, satisfy the high machine speed requirement of bottle-making machine; Owing to need not to rely on manual surfacing, therefore have the strong point of efficient height and reduction labor strength; Because service life that can significant prolongation glass mold drift, thereby can reduce the mould use cost of glassware production firm.
Description of drawings
The copper alloy that Fig. 1 obtains for the inventive method is the schematic diagram of the glass mold drift of mother metal matrix.
The specific embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but all be not restriction to the present invention program to the description of embodiment, any according to the present invention's design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
Embodiment 1:
See also Fig. 1.
A) choose the mother metal matrix, from commercially available channel acquisition copper alloy bar, the chemical element of this copper alloy bar and quality % content thereof should satisfy following requirement: 14% nickel, 9.5% aluminium and 9.5% zinc, Yu Weitong and unavoidable impurities such as sulphur＜0.002% and phosphorus＜0.0015% obtains the mother metal matrix;
B) choose wlding, from commercially available channel acquisition Co-based alloy powder, the chemical element of this Co-based alloy powder and quality % content thereof should satisfy following requirement: 6% chromium, 1% silicon, 1.5% iron and 0.35% carbon, and surplus is nickel, obtains wlding;
C) surface preparation, by lathe to by steps A) an end Vehicle Processing of the mother metal matrix that obtains goes out to clamp reference edge 11, and the other end turning of mother metal matrix is gone out glass melt contact jaw 12, and the surperficial car of glass melt contact jaw 12 is removed (turning is fallen) and awaits surfacing to the consistent amount of the thickness of the nickel base alloy layer 121 on the surface of glass melt contact jaw 12 (being the turning surplus), in this step, described amount is that the turning surplus is 2 ㎜, the amount that this turning eliminates is filled up by nickel base alloy layer 121 or is claimed compensation, obtains drift base substrate 1;
D) surfacing, utilize the five-shaft numerical control plasma welding machine and be will be by step B under the protection of argon gas at protective gas) the wlding surfacing that obtains is to by step C) surface of the glass melt contact jaw 12 of the drift base substrate 1 that obtains, obtain having at step C at the surface spraying weld of glass melt contact jaw 12) in the surfacing blank of the nickel base alloy layer 121 mentioned, wherein: the technological parameter of surfacing is as follows: the flow of protective gas is that 2L/min and purity are 99.99%; Wlding is that the conveying capacity of nickel-base alloy welding powder is to be controlled to be 10g/min; Surfacing in the process of implementing surfacing around the circumferencial direction of glass melt contact jaw 12 in the control surfacing process is last enclose to the dead time between next circle of surfacing be 35S(35 second), arrive last lap until surfacing, initial current in the surfacing process is controlled to be 90A, the ongoing Current Control of surfacing is 100A, Current Control during the surfacing ending is 25A, and the initial temperature of the drift base substrate 1 during the control surfacing is 40 ℃, surfacing ending temperature is 380 ℃, and the control surfacing is 2 ㎜ to the thickness of the nickel base alloy layer 121 on the surface of glass melt contact jaw 12;
E) heat treatment will be by step D) the surfacing blank that obtains drops into heat-treatment furnace and heat-treats, and heat treatment temperature is that 500 ℃ and heat treatment time are 3h, with the stove cooling, obtains treating finishing workpiece;
F) fine finishining is to step e) obtain treat finishing workpiece Vehicle Processing and be drilled with the cooling hole on lathe, the glass mold punch head surface surfacing that obtains copper alloy and be the mother metal matrix has the drift finished product of Co-based alloy powder layer.
Embodiment 2:
Only with steps A) in chemical element and the quality % content thereof of copper alloy bar change into: 16% nickel, 8.5% aluminium and 8.5% zinc; With step B) in chemical element and the quality % content thereof of Co-based alloy powder change into: 5.1% chromium, 1.6% silicon, 1.2% iron and 0.27% carbon; With step C) in the turning surplus to the surface of glass melt contact jaw 12 change 0.6 ㎜ into; With step D) in the technological parameter of surfacing change into: shield gas flow rate 1.8L/min, the conveying capacity 18g/min of wlding, dead time between the last circle of surfacing and next circle is 60S, the surfacing initial current is 60A, the ongoing electric current of surfacing is 90A, and surfacing ending electric current is 20A, and the initial temperature of the drift base substrate 1 during surfacing is 30 ℃, the ending temperature is 420 ℃, and the thickness of nickel base alloy layer 121 is 0.6 ㎜; With step e) in heat treatment temperature change 450 ℃ into, the time changes 3.5h into.All the other are all with the description to embodiment 1.
Embodiment 3:
Only with steps A) in chemical element and the quality % content thereof of copper alloy bar change into: 15% nickel, 10.5% aluminium and 7.5% zinc; With step B) in chemical element and the quality % content thereof of Co-based alloy powder change into: 5.6% chromium, 1.3% silicon, 1.8% iron and 0.2% carbon; With step C) in the turning surplus to the surface of glass melt contact jaw 12 change 5 ㎜ into; With step D) in the technological parameter of surfacing change into: shield gas flow rate 1.9L/min, the conveying capacity 14g/min of wlding, dead time between the last circle of surfacing and next circle is 15S, the surfacing initial current is 75A, the ongoing electric current of surfacing is 65A, and surfacing ending electric current is 30A, and the initial temperature of the drift base substrate 1 during surfacing is 20 ℃, the ending temperature is 400 ℃, and the thickness of nickel base alloy layer 121 is 5 ㎜; With step e) in heat treatment temperature change 400 ℃ into, the time changes 4h into.All the other are all with the description to embodiment 1.
Embodiment 4:
Only with steps A) in chemical element and the quality % content thereof of copper alloy bar change into: 14.5% nickel, 10% aluminium and 9% zinc; With step B) in chemical element and the quality % content thereof of Co-based alloy powder change into: 5.3% chromium, 1.4% silicon, 1.65% iron and 0.3% carbon; With step C) in the turning surplus to the surface of glass melt contact jaw 12 change 3.5 ㎜ into; With step D) in the technological parameter of surfacing change into: shield gas flow rate 1.85L/min, the conveying capacity 12g/min of wlding, dead time between the last circle of surfacing and next circle is 45S, the surfacing initial current is 80A, the ongoing electric current of surfacing is 70A, and surfacing ending electric current is 22A, and the initial temperature of the drift base substrate 1 during surfacing is 35 ℃, the ending temperature is 435 ℃, and the thickness of nickel base alloy layer 121 is 3.5 ㎜; With step e) in heat treatment temperature change 430 ℃ into, the time changes 3.2h into.All the other are all with the description to embodiment 1.
Claims (10)
1.
One Albatra metal-is the method for the glass mold punch head surface surfacing Co-based alloy powder of mother metal matrix, it is characterized in that may further comprise the steps:
A) choose the mother metal matrix, choose the cast copper alloy bar, and chemical element and the quality % content thereof of this cast copper alloy bar are analyzed, obtain the mother metal matrix;
B) choose wlding, choose Co-based alloy powder and chemical element and the quality % content thereof of this Co-based alloy powder are analyzed, obtain wlding;
C) surface preparation, by lathe to by steps A) an end Vehicle Processing of the mother metal matrix that obtains goes out to clamp reference edge (11), and the other end turning of mother metal matrix is gone out glass melt contact jaw (12), and control obtains drift base substrate (1) to the turning surplus on the surface of glass melt contact jaw (12);
D) surfacing, utilize plasma welding machine and will be by step B under protective gas) the wlding surfacing that obtains is to by step C) surface of the glass melt contact jaw (12) of the drift base substrate (1) that obtains, and control the technological parameter of surfacing, obtain having at the surface spraying weld of glass melt contact jaw (12) the surfacing blank of nickel base alloy layer (121);
E) heat treatment will be by step D) the surfacing blank that obtains drops into heat-treatment furnace and heat-treats, and control heat treatment temperature and heat treatment time obtain treating finishing workpiece;
F) fine finishining is to step e) finishing workpiece for the treatment of that obtains machines and is drilled with the cooling hole, and the glass mold punch head surface surfacing that obtains copper alloy and be the mother metal matrix has the drift finished product of Co-based alloy powder layer.
2.
Copper alloy according to claim 1 is the method for the glass mold punch head surface surfacing Co-based alloy powder of mother metal matrix, it is characterized in that steps A) described in the chemical element of cast copper alloy bar and quality % content thereof are analyzed is that chemical element and quality % thereof are controlled to be: the zinc of the nickel of 14-16%, the aluminium of 8.5-10.5% and 7.5-9.5%, Yu Weitong and unavoidable impurities.
3.
Copper alloy according to claim 1 is the method for the glass mold punch head surface surfacing Co-based alloy powder of mother metal matrix, it is characterized in that step B) described in the chemical element of Co-based alloy powder and quality % content thereof are analyzed is that chemical element and quality % thereof are controlled to be: the iron of the chromium of 5.1-6%, the silicon of 1-1.6%, 1.2-1.8% and the carbon of 0.2-0.35%, surplus is nickel.
4.
Copper alloy according to claim 1 is the method for the glass mold punch head surface surfacing Co-based alloy powder of mother metal matrix, it is characterized in that step C) described in control to the turning surplus on the surface of glass melt contact jaw (12) be with the surperficial car of glass melt contact jaw (12) except and step D) described in the consistent amount of the thickness of nickel base alloy layer (121).
5.
Copper alloy according to claim 1 is the method for the glass mold punch head surface surfacing Co-based alloy powder of mother metal matrix, it is characterized in that step D) described in plasma welding machine be the five-shaft numerical control plasma welding machine.
6.
Copper alloy according to claim 1 is the method for the glass mold punch head surface surfacing Co-based alloy powder of mother metal matrix, it is characterized in that step D) described in the technological parameter of control surfacing refer to: the purity of the flow of control protective gas, control protective gas, the conveying capacity of control wlding, the control surfacing is last in the process of implementing surfacing around the circumferencial direction of described glass melt contact jaw (12) encloses to the temperature of the dead time between next circle of surfacing, control surfacing electric current, control drift base substrate 1 and control the thickness of described nickel base alloy layer (121).
7.
Copper alloy according to claim 6 is the method for the glass mold punch head surface surfacing Co-based alloy powder of mother metal matrix, and the flow that it is characterized in that described control protective gas is that the flow-control with protective gas is 1.8-2L/min; The purity of described control protective gas is that the purity with protective gas is controlled to be 99.99%; The conveying capacity of described control wlding is that the conveying capacity with wlding is controlled to be 10-18g/min; Described control surfacing is last enclose to the dead time between next circle of surfacing be that the dead time is controlled to be 10-60S; Electric current when the surfacing initial current when described control surfacing electric current comprises the control surfacing, the control ongoing electric current of surfacing and control surfacing finish up; Initial temperature when the temperature of described control drift base substrate (1) comprises the control surfacing and surfacing ending temperature; The thickness of described control nickel base alloy layer (121) is to be 0.5-5 ㎜ with THICKNESS CONTROL.
8.
Copper alloy according to claim 7 is the method for the glass mold punch head surface surfacing Co-based alloy powder of mother metal matrix, and the surfacing initial current when it is characterized in that described control surfacing is that the surfacing initial current is controlled to be 60-90A; The ongoing electric current of described control surfacing is to be 65-115A with the ongoing Current Control of surfacing; Electric current during described control surfacing ending is that the Current Control when surfacing is finished up is 20-30A.
9.
Copper alloy according to claim 7 is the method for the glass mold punch head surface surfacing Co-based alloy powder of mother metal matrix, and the initial temperature when it is characterized in that described control surfacing and surfacing ending temperature are that initial temperature and the surfacing ending temperature during with surfacing is controlled to be 20-40 ℃ and 380-450 ℃ respectively.
10.
Copper alloy according to claim 1 is the method for the glass mold punch head surface surfacing Co-based alloy powder of mother metal matrix, it is characterized in that step e) described in control heat treatment temperature and heat treatment time be heat treatment temperature and heat treatment time to be controlled to be 400-500 ℃ of insulation respectively cooled off with stove then in 3-4 hour
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105619039A (en) * | 2016-03-18 | 2016-06-01 | 曾庆鹏 | Cast-iron nickel alloy spray mold machining technology |
| CN106735090A (en) * | 2017-03-28 | 2017-05-31 | 中信戴卡股份有限公司 | Improved casting hub mold spreader and manufacturing process |
| CN108500578A (en) * | 2018-03-05 | 2018-09-07 | 武汉理工大学 | Self-lubricating glass punch and its manufacturing method |
| CN111014915A (en) * | 2019-12-11 | 2020-04-17 | 河北安迪模具有限公司 | Plasma nickel alloy powder spray welding process for initial mold joint surface of glass mold |
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| US4471034A (en) * | 1982-11-16 | 1984-09-11 | Eutectic Corporation | Alloy coating for cast iron parts, such as glass molds |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105619039A (en) * | 2016-03-18 | 2016-06-01 | 曾庆鹏 | Cast-iron nickel alloy spray mold machining technology |
| CN106735090A (en) * | 2017-03-28 | 2017-05-31 | 中信戴卡股份有限公司 | Improved casting hub mold spreader and manufacturing process |
| CN108500578A (en) * | 2018-03-05 | 2018-09-07 | 武汉理工大学 | Self-lubricating glass punch and its manufacturing method |
| CN111014915A (en) * | 2019-12-11 | 2020-04-17 | 河北安迪模具有限公司 | Plasma nickel alloy powder spray welding process for initial mold joint surface of glass mold |
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Application publication date: 20130828 |