CN102611006A - Side electrode ignition end fabrication method of noble metal spark plug and side electrode - Google Patents
Side electrode ignition end fabrication method of noble metal spark plug and side electrode Download PDFInfo
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- CN102611006A CN102611006A CN2012100952458A CN201210095245A CN102611006A CN 102611006 A CN102611006 A CN 102611006A CN 2012100952458 A CN2012100952458 A CN 2012100952458A CN 201210095245 A CN201210095245 A CN 201210095245A CN 102611006 A CN102611006 A CN 102611006A
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Abstract
The invention belongs to a side electrode ignition end fabrication method of a noble metal spark plug and a side electrode. The side electrode ignition end of the spark plug is dived into two parts, wherein one part is a side electrode ignition end basic block made of a nickel-based material identical to that of a side electrode base, and the other part is an electrode needle made of a noble metal. The fabrication method comprises welding the electrode needle made of the noble metal onto the side electrode ignition end basic block made of the nickel-based material; shaping the ignition end welded with the electrode needle; and welding the shaped side electrode ignition end onto the surface of the side electrode facing a central electrode.
Description
Technical field
The present invention relates to a kind of manufacture method and lateral electrode of spark-plug side electrode, refer in particular to a kind of manufacture method and lateral electrode of noble metal spark plug lateral electrode firing tip; Be mainly used in the making of noble metal spark plug lateral electrode.
Technical background
The raising of Along with people's environmental consciousness, no matter countries in the world are that sedan limousine or kart are had higher requirement for spark plug performance to the increasingly stringent of each items such as exhaust emissions, oil consumption regulation.Kart particularly; Require spark plug to satisfy high ignition quality and two big requirements cheaply simultaneously,, just must dwindle electrode diameter in order to reach the requirement that improves ignition performance; But dwindling electrode diameter can make electrode consume rapidly; Life-span also significantly reduces, so the lateral electrode of existing high-grade spark plug generally all is to adopt noble metal as the lateral electrode firing tip, and the thin footpath electrode side electrode points fire end that noble metal is made is welded on the lateral electrode pedestal.Why will do spark-plug side electrode with rare metal, mainly be in order to improve durability.Cylinder is in when work, and gaseous mixture compression, burning produce high temperature and pressure, make the sparking-plug electrode temperature up to 900 ℃ about, also want plug ignition this moment, the high temperature degree on the electrode is well imagined.So can not be used as electrode material section because silver-colored, golden fusing point is too low, nickel then has fusing point and the low price near 1500 ℃, so be widely used in making common spark-plug side electrode.Platinum will be melted near 2000 ℃ of, and its stability and anti-ablation nature are better than nickel.And the iraurite material that occurs recently then has higher fusing point than platinum, so be fit to more use under long-time, the high speed conditions of high-performance enginer.Chemical characteristic is more stable in addition is the essence of rare metal, so iraurite still can provide punctual, powerful spark under the high temperature of high rotating speed, high pressure.Under this limiting case, common spark plug very likely sends instability, unpunctual spark, even might " catch fire ", and therefore the work of engine have a greatly reduced quality.Therefore, the lateral electrode of making spark plug with noble metal will greatly improve the ignition effectiveness of spark plug, the useful life of extending plug.
But employed platinum on the noble metal spark plug; Especially the iridium metals material is very expensive; So cause the cost of manufacture of whole noble metal spark plug to rise; Noble metal spark plug all near hundred yuan price (intermediate-size car that generally has only benz, one type of high-grade car of BMW and part brand just former factory adapted according to gold or platinum spark plug; Compact sedan and minicar be common spark plugs of adapted all generally), this has brought very big restriction for application of noble metal spark plug, necessary this is improved.
On the other hand.Existing noble metal spark plug lateral electrode all is directly noble metal to be welded on the pedestal of lateral electrode; And all be the direct-on-line welding, because it is the pedestal of lateral electrode generally all is to adopt nickel alloy material to make, different with the material of precious metal; Also there is not molten mutually problem when therefore welding; Be difficult to firm welding, so occur the phenomenon of sealing-off easily, these also all are necessary to solve.
Still the patent formerly of only finding applicant of the present invention and being applied for through patent retrieval is relevant with the present invention's technology; The application number of this patent is CN201120125596.X; Denomination of invention is " a kind of noble metal spark plug lateral electrode "; Though this patent discloses a kind of noble metal spark plug lateral electrode, comprises spark plug metal shell, ceramics insulator, central electrode and lateral electrode; Be welded with precious metal in its lateral electrode and central electrode discharging surface through the laser welding mode; And explained that the lateral electrode noble metal on the lateral electrode is to be welded on the lateral electrode end face; Behind the lateral electrode bending forming; The lateral electrode precious metal is welded on the end face vertical with central electrode noble metal end face after the lateral electrode bending, and the vertically opposite formation reasonable clearance of the precious metal of lateral electrode precious metal and central electrode end face, and spark plug electrode structure adopts to pin type structure.
But this patent does not still solve the too high problem of noble metal cost, and the pedestal and the precious metal material that also do not have effectively to solve lateral electrode are different, and the problem of sealing-off appears in welding easily; Necessary further improvement.
Summary of the invention
The present invention seeks in order to solve the noble metal spark plug selling at exorbitant prices; Weld not firm; The deficiency that is not easy to apply; Propose a kind of manufacture method and lateral electrode of new noble metal spark plug lateral electrode firing tip, the cost that this lateral electrode firing tip manufacture method and lateral electrode can further reduce noble metal spark plug improves welding performance.
The objective of the invention is to realize through following technical scheme:
A kind of manufacture method of noble metal spark plug lateral electrode firing tip; The lateral electrode firing tip of spark-plug side electrode is divided into two parts; Wherein a part is the lateral electrode firing tip basic blocks that the nickel-base material identical with the lateral electrode base material made, and another part is the electrode syringe needle of the lateral electrode of precious metal material making; Elder generation is welded on the electrode syringe needle of the lateral electrode that precious metal material is made on the lateral electrode firing tip basic blocks of nickel-base material making; Again the lateral electrode firing tip that is welded with lateral electrode electrode syringe needle is carried out shaping processing, and then orthopedic lateral electrode firing tip is welded on the lateral electrode pedestal.
Preferably; Lateral electrode electrode syringe needle is vertical to being welded on the lateral electrode firing tip basic blocks; The length ratio of lateral electrode firing tip basic blocks and lateral electrode electrode syringe needle is 4-5:1, and the length of the electrode syringe needle of lateral electrode is 1/4th to 1/5th (1/4-1/5) of lateral electrode firing tip basic blocks length; And lateral electrode firing tip basic blocks is the end face (or in groove of end face) that radially is welded on the lateral electrode pedestal.
Preferably; The lateral electrode firing tip is that transverse weld is in lateral electrode and central electrode facing surfaces; The firing tip material is divided into two-layer: nickel base alloy layer and layer of precious metal; Earlier layer of precious metal is welded on the nickel base alloy layer, after the shaping again with the firing tip transverse weld on lateral electrode, the thickness proportion of nickel base alloy layer and layer of precious metal is 1-2:1.
Preferably, the electrode syringe needle of lateral electrode be welded on the lateral electrode firing tip basic blocks that nickel-base material makes be earlier through resistance welded with the spot welding of lateral electrode electrode syringe needle on lateral electrode firing tip basic blocks, firm through laser welding again;
Preferably, it is through resistance welded that the lateral electrode firing tip is welded on the lateral electrode pedestal, and the lateral electrode firing tip is welded on the lateral electrode pedestal;
Preferably, described lateral electrode firing tip cross section is the shape of regular polygon, is convenient to processing like this, also helps with welding;
Preferably, described lateral electrode firing tip is shaped as regular hexagon or diamond structure for regular polygon.
Utilize the noble metal spark plug lateral electrode firing tip of the manufacture method made of above-mentioned noble metal spark plug lateral electrode to be: a kind of noble metal spark plug lateral electrode firing tip; Comprise the lateral electrode pedestal; The lateral electrode firing tip; The lateral electrode firing tip is welded on the lateral electrode pedestal; Its characteristics are: described lateral electrode firing tip is divided into lateral electrode firing tip basic blocks and lateral electrode firing tip electrode syringe needle two parts, and lateral electrode firing tip basic blocks and lateral electrode firing tip electrode syringe needle are respectively that two kinds of joint different materials make; Wherein, lateral electrode firing tip basic blocks is that the nickel-base material identical with the lateral electrode base material made, and lateral electrode firing tip electrode syringe needle is that precious metal material is made; Lateral electrode firing tip basic blocks is in the same place with lateral electrode firing tip electrode syringe needle Combination Welding, is combined to form the lateral electrode firing tip; The lateral electrode firing tip is welded on the lateral electrode pedestal again.
Preferably; Lateral electrode electrode syringe needle is vertical to being welded on the lateral electrode firing tip basic blocks; The length ratio of lateral electrode firing tip basic blocks and lateral electrode electrode syringe needle is 4-5:1, and the length of the electrode syringe needle of lateral electrode is 1/4th to 1/5th (1/4-1/5) of lateral electrode firing tip basic blocks length; And lateral electrode firing tip basic blocks is radially to be welded on end face on the lateral electrode pedestal (or in groove of end face).
Preferably; The lateral electrode firing tip is that transverse weld is in lateral electrode and central electrode facing surfaces; The firing tip material is divided into two-layer: nickel base alloy layer and layer of precious metal; Earlier layer of precious metal is welded on the nickel base alloy layer, after the shaping again with the firing tip transverse weld on lateral electrode, the thickness proportion of nickel base alloy layer and layer of precious metal is 1-2:1.
Preferably, the electrode syringe needle of lateral electrode be welded on the lateral electrode firing tip basic blocks that nickel-base material makes be earlier through resistance welded with the spot welding of lateral electrode electrode syringe needle on lateral electrode firing tip basic blocks, firm through laser welding again.
Preferably, it is through resistance welded that the lateral electrode firing tip is welded on the lateral electrode pedestal, and the lateral electrode firing tip is welded on the lateral electrode pedestal;
Preferably, described lateral electrode firing tip cross section is the shape of regular polygon, is convenient to processing like this, also helps with welding;
Preferably, described lateral electrode firing tip is shaped as regular hexagon or diamond structure for regular polygon.
Advantage of the present invention:
The present invention is through being divided into noble metal spark plug lateral electrode firing tip at two joints (layer); Wherein a joint (layer) is the material the same with the lateral electrode base material; Another joint is precious metal material; So both guaranteed the ignition performance of noble metal spark plug, and improved lateral electrode firing tip and lateral electrode pedestal welding reliability, the use amount of having practiced thrift precious metal material again simultaneously.Can reduce the cost of manufacture of noble metal spark plug greatly.The noble metal of a joint above the noble metal of in fact existing noble metal spark plug part has also just been utilized, below a joint because far away excessively apart from central electrode,, behind certain distance, can not work on again in electrode syringe needle scaling loss; And noble metal directly is welded on the lateral electrode pedestal; Owing to be two kinds of different combination of materials welding; The effect of welding is not fine; During especially with the welding of lateral electrode firing tip and lateral electrode pedestal is online welding, and the difficulty of welding is bigger, so the welding performance when more cannot say for sure to demonstrate,prove two kinds of different materials welding.And the present invention has been placed on the front of lateral electrode firing tip combination through the operation with two kinds of combination of materials welding; The twice welding manner that passes through with two kinds of different materials welds earlier; The online welding of more directly carrying out same material, such welding effect just will be good many.Lateral electrode firing tip sealing-off phenomenon appears when adopting the noble metal spark plug of the inventive method speed making to use through test never again; And useful life is just the same with pure noble metal spark plug before; But cost descends about 10%, so very be suitable as the product of applying of noble metal spark plug.
Figure of description
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a noble metal spark plug lateral electrode firing tip shape sketch map of the present invention;
Fig. 3 is the structural representation stereogram of another embodiment of the present invention;
Fig. 4 is the structural representation of another embodiment of the present invention.
Embodiment:
In order to make the object of the invention and technical scheme and advantage outstanding more clear, execution mode of the present invention is described in further detail below in conjunction with accompanying drawing:
Can find out with reference to accompanying drawing; The present invention relates to a kind of manufacture method of noble metal spark plug lateral electrode firing tip; The spark-plug side electrode firing tip is divided into two parts; Wherein a part is the lateral electrode firing tip basic blocks that the nickel-base material identical with the lateral electrode base material made, and another part is the electrode syringe needle of the lateral electrode of precious metal material making; Elder generation is welded on the electrode syringe needle of the lateral electrode that precious metal material is made on the lateral electrode firing tip basic blocks of nickel-base material making; Again the lateral electrode firing tip that is welded with lateral electrode electrode syringe needle is carried out shaping processing, and then orthopedic lateral electrode firing tip is welded on the lateral electrode pedestal.
Preferably; Lateral electrode electrode syringe needle is vertical to being welded on the lateral electrode firing tip basic blocks; The length ratio of lateral electrode firing tip basic blocks and lateral electrode electrode syringe needle is 4-5:1, and the length of the electrode syringe needle of lateral electrode is 1/4th to 1/5th (1/4-1/5) of lateral electrode firing tip basic blocks length; And lateral electrode firing tip basic blocks is the end face (or in groove of end face) that radially is welded on the lateral electrode pedestal.
Preferably; The lateral electrode firing tip is that transverse weld is in lateral electrode and central electrode facing surfaces; The firing tip material is divided into two-layer: nickel base alloy layer and layer of precious metal; Earlier layer of precious metal is welded on the nickel base alloy layer, after the shaping again with the firing tip transverse weld on lateral electrode, the thickness proportion of nickel base alloy layer and layer of precious metal is 1-2:1.
Preferably, the electrode syringe needle of lateral electrode be welded on the lateral electrode firing tip basic blocks that nickel-base material makes be earlier through resistance welded with the spot welding of lateral electrode electrode syringe needle on lateral electrode firing tip basic blocks, firm through laser welding again;
Preferably, it is through resistance welded that the lateral electrode firing tip is welded on the lateral electrode pedestal, and the lateral electrode firing tip is welded on the lateral electrode pedestal;
Preferably, described lateral electrode firing tip cross section is the shape of regular polygon, is convenient to processing like this, also helps with welding;
Preferably, described lateral electrode firing tip is shaped as regular hexagon or diamond structure for regular polygon.
Utilize the noble metal spark plug lateral electrode firing tip of the manufacture method made of above-mentioned noble metal spark plug lateral electrode firing tip to be: a kind of noble metal spark plug lateral electrode firing tip; Comprise the lateral electrode pedestal; The lateral electrode firing tip; The lateral electrode firing tip is welded on the lateral electrode pedestal; Its characteristics are: described lateral electrode firing tip is divided into lateral electrode firing tip basic blocks and lateral electrode firing tip electrode syringe needle two parts, and lateral electrode firing tip basic blocks and lateral electrode firing tip electrode syringe needle are respectively that two kinds of joint different materials make; Wherein, lateral electrode firing tip basic blocks is to make with lateral electrode base material identical materials, and lateral electrode firing tip electrode syringe needle is that precious metal material is made; Lateral electrode firing tip basic blocks is in the same place with lateral electrode firing tip electrode syringe needle Combination Welding, is combined to form the lateral electrode firing tip; The lateral electrode firing tip is welded on the lateral electrode pedestal again.
Preferably; Lateral electrode electrode syringe needle is vertical to being welded on the lateral electrode firing tip basic blocks; The length ratio of lateral electrode firing tip basic blocks and lateral electrode electrode syringe needle is 4-5:1, and the length of the electrode syringe needle of lateral electrode is 1/4th to 1/5th (1/4-1/5) of lateral electrode firing tip basic blocks length; And lateral electrode firing tip basic blocks is the end face (or in groove of end face) that radially is welded on the lateral electrode pedestal.
Preferably; The lateral electrode firing tip is that transverse weld is in lateral electrode and central electrode facing surfaces; The firing tip material is divided into two-layer: nickel base alloy layer and layer of precious metal; Earlier layer of precious metal is welded on the nickel base alloy layer, after the shaping again with the firing tip transverse weld on lateral electrode, the thickness proportion of nickel base alloy layer and layer of precious metal is 1-2:1.
Preferably, the electrode syringe needle of lateral electrode be welded on the lateral electrode firing tip basic blocks that nickel-base material makes be earlier through resistance welded with the spot welding of lateral electrode electrode syringe needle on lateral electrode firing tip basic blocks, firm through laser welding again;
Preferably, it is through resistance welded that the lateral electrode firing tip is welded on the lateral electrode pedestal, and the lateral electrode firing tip is welded on the lateral electrode pedestal;
Preferably, described lateral electrode firing tip cross section is the shape of regular polygon, is convenient to processing like this, also helps with welding;
Preferably, described lateral electrode firing tip is shaped as regular hexagon or diamond structure for regular polygon.
Preferably, the precious metal material of described noble metal spark plug lateral electrode firing tip can be tridium-base alloy or platinum base alloy.
Embodiment one
Shown in accompanying drawing 1-2, a kind of manufacture method to pin noble metal spark plug lateral electrode firing tip, concrete manufacture craft is following:
1, selecting diameter is the nickel-base material making lateral electrode firing tip basic blocks 2 of 0.8-1.2mm, through cutter the height H 2=1～3mm of nickel-base material wire rod according to nickel alloy 2 is cut off for one section, forms lateral electrode firing tip basic blocks 2 blanks;
2, selecting diameter is the precious metal material making lateral electrode firing tip electrode tip 3 of 0.8-1.2mm, through cutter the height H 3=0.2～2mm of noble metal wire rod according to noble metal 3 is cut off for one section, forms noble metal lateral electrode firing tip electrode syringe needle 3 blanks;
3, the lateral electrode firing tip electrode syringe needle 3 that shears is placed on the end surface of lateral electrode firing tip basic blocks 2, gets up, form lateral electrode firing tip blank through spot welding machine spot welding;
The lateral electrode firing tip blank that 4, will be welded with lateral electrode firing tip electrode tip places under the laser welder, with laser with lateral electrode firing tip electrode tip 3 and lateral electrode firing tip basic blocks 2 firm welding;
5, the lateral electrode firing tip that Laser Welding is connected carries out fine finishining to be handled, and the cross section of lateral electrode firing tip can be processed into the regular polygon body, can be circle, triangle, square, rectangle, pentagon, hexagon; Preferably be processed as positive six polygonal bodies, the diameter 0.7-0.9mm of lateral electrode firing tip;
6, the lateral electrode firing tip is welded on the lateral electrode pedestal 1.
Embodiment two
Shown in accompanying drawing 3-4, a kind of manufacture method of noble metal spark plug lateral electrode firing tip, concrete manufacture craft is following:
1, selecting width is 0.8-1.2mm; Thickness is that the nickel alloy sheet stock of 0.3-0.4mm is made lateral electrode firing tip basic blocks 4; Through cutter the length H2=1～3mm of nickel alloy sheet stock according to nickel alloy 2 cut off for one section, form lateral electrode firing tip basic blocks 5 blanks;
2, selecting thickness is the precious metal sheets making lateral electrode firing tip electrode tip of 0.3-0.4mm; Through cutter the length H3=1～3mm of noble metal sheet material according to noble metal 3 cut off for one section, form lateral electrode firing tip noble metal lateral electrode firing tip electrode tip 4 blank material layers;
3, lateral electrode firing tip noble metal lateral electrode firing tip electrode tip 4 blank material layers that shear are placed in the one side of lateral electrode firing tip basal layer 5, get up through spot welding machine spot welding;
4, with laser noble metal lateral electrode firing tip electrode tip 4 blank material layers and lateral electrode firing tip basal layer 5 are welded once more, form lateral electrode firing tip blank;
5, the lateral electrode firing tip blank that Laser Welding is connected carries out fine finishining to be handled, and makes the lateral electrode firing tip reach surfacing;
6, with the lateral electrode firing tip handled well overlap joint at lateral electrode pedestal 6 sweeps to the surface of central electrode, weld through electric resistance welding.
Advantage of the present invention is:
The present invention is through being divided into noble metal spark plug lateral electrode firing tip at two joints (layer); Wherein a joint (layer) is the material the same with the lateral electrode base material; Another joint (layer) is a precious metal material; So both guaranteed the ignition performance of noble metal spark plug, and improved lateral electrode firing tip and lateral electrode pedestal welding reliability, the use amount of having practiced thrift precious metal material again simultaneously.Can reduce the cost of manufacture of noble metal spark plug greatly.The noble metal part of in fact existing noble metal spark plug has also just been utilized the noble metal of part, after use a period of time,, behind certain distance, can not work in noble metal electrode syringe needle scaling loss again; And noble metal directly is welded on the lateral electrode pedestal; Owing to be two kinds of different combination of materials welding; The effect of welding is not fine; During especially with the welding of lateral electrode firing tip and lateral electrode pedestal is online welding, and the difficulty of welding is bigger, so the welding performance when more cannot say for sure to demonstrate,prove two kinds of different materials welding.And the present invention has been placed on the front of lateral electrode firing tip combination through the operation with two kinds of combination of materials welding; Elder generation welds the twice welding manner that passes through of two kinds of different materials below; The online welding of more directly carrying out same material, such welding effect just will be good many.Lateral electrode firing tip sealing-off phenomenon appears when adopting the noble metal spark plug of the inventive method speed making to use through test never again; And useful life is just the same with pure noble metal spark plug before; But cost descends about 10%, so very be suitable as the product of applying of noble metal spark plug.
Claims (10)
1. the manufacture method of a noble metal spark plug lateral electrode firing tip; It is characterized in that: the spark-plug side electrode firing tip is divided into two parts; Wherein a part is the lateral electrode firing tip basic blocks that the nickel-base material identical with the lateral electrode base material made, and another part is the lateral electrode electrode syringe needle that precious metal material is made; The lateral electrode electrode syringe needle of earlier precious metal material being made is welded on the lateral electrode firing tip basic blocks of nickel-base material making; Again the lateral electrode firing tip that is welded with the electrode needle head is carried out shaping processing; And then orthopedic lateral electrode firing tip is welded on the lateral electrode, vertically opposite and keep certain interval with central electrode.
2. the manufacture method of noble metal spark plug lateral electrode firing tip as claimed in claim 1; It is characterized in that: described lateral electrode electrode syringe needle is vertical to being welded on the lateral electrode firing tip basic blocks; The length ratio of lateral electrode firing tip basic blocks and lateral electrode electrode syringe needle is 4-5:1, and the length of the electrode syringe needle of lateral electrode is 1/4th to 1/5th (1/4-1/5) of lateral electrode firing tip basic blocks length; And lateral electrode firing tip basic blocks is in the end face or end face groove that radially is welded on the lateral electrode pedestal.
3. the manufacture method of noble metal spark plug lateral electrode firing tip as claimed in claim 1; It is characterized in that: described lateral electrode firing tip is that transverse weld is in lateral electrode and central electrode facing surfaces; The firing tip material is divided into two-layer: nickel base alloy layer and layer of precious metal; Earlier layer of precious metal is welded on the nickel base alloy layer, after the shaping again with the firing tip transverse weld on lateral electrode, the thickness proportion of nickel base alloy layer and layer of precious metal is 1-2:1.
4. the manufacture method of noble metal spark plug lateral electrode firing tip as claimed in claim 2; It is characterized in that: the noble metal electrode syringe needle of described lateral electrode be welded on the lateral electrode firing tip basic blocks that nickel-base material makes be earlier through resistance welded with the spot welding of lateral electrode electrode syringe needle on lateral electrode firing tip basic blocks, firm through laser welding again.
5. the manufacture method of noble metal spark plug lateral electrode firing tip as claimed in claim 2 is characterized in that: it is through resistance welded that described lateral electrode firing tip is welded on the lateral electrode pedestal, and the lateral electrode firing tip is welded on the lateral electrode pedestal.
6. the manufacture method of noble metal spark plug lateral electrode firing tip as claimed in claim 2 is characterized in that: described lateral electrode firing tip cross section is the shape of regular polygon.
7. noble metal spark plug lateral electrode firing tip; Comprise the lateral electrode pedestal; Lateral electrode electrode points fire end; Lateral electrode electrode points fire end is welded on the lateral electrode pedestal, it is characterized in that: described lateral electrode electrode points fire end is divided into lateral electrode firing tip basic blocks and lateral electrode firing tip electrode syringe needle two parts, and lateral electrode firing tip basic blocks and lateral electrode firing tip electrode syringe needle are respectively that two kinds of joint different materials make; Wherein, lateral electrode firing tip basic blocks is that the nickel-base material identical with the lateral electrode base material made, and lateral electrode firing tip electrode syringe needle is that precious metal material is made; Lateral electrode firing tip basic blocks is in the same place with lateral electrode firing tip electrode syringe needle Combination Welding, is combined to form lateral electrode electrode points fire end; The lateral electrode firing tip is welded on the lateral electrode pedestal again.
8. noble metal spark plug lateral electrode firing tip as claimed in claim 7; It is characterized in that: described lateral electrode electrode syringe needle is vertical to being welded on the lateral electrode firing tip basic blocks; The length ratio of lateral electrode firing tip basic blocks and lateral electrode electrode syringe needle is 4-5:1, and the length of the electrode syringe needle of lateral electrode is 1/4th to 1/5th (1/4-1/5) of lateral electrode firing tip basic blocks length; And lateral electrode firing tip basic blocks is in the end face or end face groove that radially is welded on the lateral electrode pedestal.
9. noble metal spark plug lateral electrode firing tip as claimed in claim 7; It is characterized in that: described lateral electrode firing tip is that transverse weld is in lateral electrode and central electrode facing surfaces; The firing tip material is divided into two-layer: nickel base alloy layer and layer of precious metal; Earlier layer of precious metal is welded on the nickel base alloy layer, after the shaping again with the firing tip transverse weld on lateral electrode, the thickness proportion of nickel base alloy layer and layer of precious metal is 1-2:1.
10. like the noble metal spark plug lateral electrode firing tip of claim 8 or 9, it is characterized in that: the precious metal material of described noble metal spark plug lateral electrode firing tip can be tridium-base alloy or platinum base alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100952458A CN102611006A (en) | 2012-03-31 | 2012-03-31 | Side electrode ignition end fabrication method of noble metal spark plug and side electrode |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100952458A CN102611006A (en) | 2012-03-31 | 2012-03-31 | Side electrode ignition end fabrication method of noble metal spark plug and side electrode |
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| CN102611006A true CN102611006A (en) | 2012-07-25 |
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| CN2012100952458A Pending CN102611006A (en) | 2012-03-31 | 2012-03-31 | Side electrode ignition end fabrication method of noble metal spark plug and side electrode |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103094842A (en) * | 2013-01-18 | 2013-05-08 | 株洲湘火炬火花塞有限责任公司 | Manufacture method for spark plug compound electrode tip and compound electrode tip band |
| US9368943B2 (en) | 2013-03-12 | 2016-06-14 | Federal-Mogul Ignition Company | Spark plug having multi-layer sparking component attached to ground electrode |
| DE102014103308B4 (en) * | 2013-03-12 | 2019-08-29 | Federal-Mogul Ignition Company | Spark plug and method of making a spark plug |
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| CN101861687A (en) * | 2007-11-15 | 2010-10-13 | 日本特殊陶业株式会社 | Spark plug |
| CN101868893A (en) * | 2007-11-20 | 2010-10-20 | 日本特殊陶业株式会社 | Spark plug for internal combustion engine and method of manufacturing spark plug |
| CN102160248A (en) * | 2009-08-03 | 2011-08-17 | 日本特殊陶业株式会社 | Spark plug |
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| JP2005203110A (en) * | 2004-01-13 | 2005-07-28 | Ngk Spark Plug Co Ltd | Manufacturing method of spark plug, and spark plug |
| CN101861685A (en) * | 2007-11-15 | 2010-10-13 | 日本特殊陶业株式会社 | Spark plug for internal combustion engine |
| CN101861687A (en) * | 2007-11-15 | 2010-10-13 | 日本特殊陶业株式会社 | Spark plug |
| CN101868893A (en) * | 2007-11-20 | 2010-10-20 | 日本特殊陶业株式会社 | Spark plug for internal combustion engine and method of manufacturing spark plug |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103094842A (en) * | 2013-01-18 | 2013-05-08 | 株洲湘火炬火花塞有限责任公司 | Manufacture method for spark plug compound electrode tip and compound electrode tip band |
| US9368943B2 (en) | 2013-03-12 | 2016-06-14 | Federal-Mogul Ignition Company | Spark plug having multi-layer sparking component attached to ground electrode |
| DE102014103308B4 (en) * | 2013-03-12 | 2019-08-29 | Federal-Mogul Ignition Company | Spark plug and method of making a spark plug |
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Application publication date: 20120725 |