CN1548266A - Sintering compact of brass solder - Google Patents
Sintering compact of brass solder Download PDFInfo
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- CN1548266A CN1548266A CNA031407722A CN03140772A CN1548266A CN 1548266 A CN1548266 A CN 1548266A CN A031407722 A CNA031407722 A CN A031407722A CN 03140772 A CN03140772 A CN 03140772A CN 1548266 A CN1548266 A CN 1548266A
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- parts
- soldering
- composition surface
- brazing material
- accumulator tank
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Abstract
The brazed sintered compact consists of two parts easy to position mutually and with excellent jointing interval. When the lug of the first part is set in the notch of the second part, the two parts are positioned. One joint interval is obtained easily between the joint surfaces of the two parts owing to the difference in size between two parts. The two parts are aligned via the storing recess in one part and the leg in the other part, and proper amount of brazing material may be penetrated to the jointing surface. In addition, the surface tension of the brazing material avoids strengthening in the storing recess and back flow of excessive brazing material.
Description
Technical field
The present invention relates to a kind of sintering briquette of soldering, wherein two parts use the brazing material soldering together.
Background technology
In the prior art of this invention, generally be the sintering briquette of making soldering like this, promptly make first parts and second parts by sintering, right latter two components mutual soldering together.This method has been used for making the product of complicated shape, for example is used for the pinion frame of vehicle automatic transmission.This pinion frame of past is made by the whole circumference of cast iron materials or copper coin material is carried out machined, causes manpower and cost to improve.Thereby, now make by above-mentioned method, just make first and second parts, then together with their mutual solderings by the sintering green compact.
According to prior art, when by soldering with first and second components bonding together the time, they are by accurately locating engagement is together mutually.In the case, be used for that the joint clearance of penetration brazing material has become a problem between two parts.
In other words, if the joint clearance is too big, the brazing material amount that penetrates into each parts can be too many, is out of shape thereby make parts expand, and causes the obvious decline of strength of parts probably.On the other hand, if the joint clearance is too little, have the danger that two bond strengths between the parts descend.Thereby, be used for the joint clearance of brazing material infiltration much actually optimum be a problem always.
And there is another problem in prior art, and when brazing material was put between the parts and heated, brazing material was easy to flow out to the outside, and these unnecessary brazing materials are obliged to go to remove.The scheme that is used for addressing this problem is proposed at Japanese patent application 2000-270581 (publication number 2002-79372) by same applicant.The prior art discloses a kind of sintering briquette of soldering, which comprises at least first parts and second parts that are soldered to first parts, wherein one of first and second parts have the composition surface that has projection, another has the composition surface that has pit, described pit is assembled on the described projection, and it has the degree of depth that can obtain the joint clearance of needs when projection is packed pit into; And one of composition surface has the storage groove that is used for storing unnecessary brazing material at its periphery, thereby because such groove stops brazing material to spill into the parts outside.
According to above-mentioned in the disclosed prior art of first to file, described parts are suspended from the described groove a little, make unnecessary brazing material flow out not too easily, and, can not obtain best joint clearance owing to spill into the backflow of outside brazing material and the infiltration again of product.
Summary of the invention
Thereby, the purpose of this invention is to provide a kind of sintering briquette of soldering, wherein the parts that will engage can easily be located each other, can obtain good and accurate joint clearance simultaneously.
For the attainment of one's purpose, according to a first aspect of the invention, provide a kind of sintering briquette of soldering, which comprises at least first parts and second parts, each parts has the composition surface, and engages one another by soldering, comprising:
Be formed on the projection on one of them the composition surface of first and second parts;
Be formed in first and second parts pit on another the composition surface, described pit is assembled on the described projection, and it has when the former is assembled to the latter when going up, and can obtain the degree of depth of the joint clearance that needs between first and second parts;
At least one is formed on the accumulator tank on one of them the composition surface of first and second parts, and described accumulator tank is used for storing the brazing material of unnecessary amount, and settles with respect to another lateral parts in first and second parts.
Another parts have pit because the composition surface of one of parts has projection, and the size of pit is less than the height of projection, and two parts can be located each other simply by projection being packed into pit.Simultaneously, corresponding to the size difference between first and second parts, can easily obtain the joint clearance.
Thereby, if after the joint clearance is set at the predetermined size that is used for the brazing material infiltration, two parts with joint clearance of having filled up brazing material are through oversintering, can allow required an amount of brazing material between the composition surface of first and second parts, to permeate, thereby can obtain needed soldering strength reliably, improve the reliability of soldering strength.
A second aspect of the present invention is that a kind of sintering briquette of soldering comprises the parts that are similar to first aspect, described parts comprise that at least one is formed on the accumulator tank on one of them the composition surface outward flange of first and second parts, described accumulator tank is used for storing unnecessary brazing material, and another relative section aligned in the inner surface of accumulator tank and first and second parts.
Utilize this structure, the inner surface of accumulator tank is aligned in first and second parts another relative part, because surface tension, the backflow that is stored in the unnecessary brazing material in the accumulator tank obtains stoping, and the brazing material of required appropriate amount can be penetrated between first and second parts.
A third aspect of the present invention is a kind of sintering briquette as the described soldering of second aspect, it is characterized in that described gap has the brazing material that makes required appropriate amount and penetrates into size between the described first and second components bonding faces.
Thereby, can easily obtain the joint clearance corresponding to the size difference between first and second parts, thereby guarantee the infiltration of brazing material.
A fourth aspect of the present invention is a kind of sintering briquette as soldering as described in the third aspect, wherein said first parts and second parts are annular sheet metals, they are all made by metal dust respectively, their mutual combinations then, and brazing material is filled between the composition surface of two parts, make two parts in stove under predetermined temperature sintering, get on thereby brazing material fusing simultaneously is soldered to another with a composition surface of parts.
Utilize this structure, first and second parts that sintering is made of metal dust can carry out the soldering between them simultaneously.
A fifth aspect of the present invention is a kind of sintering briquette as soldering as described in the fourth aspect, the complete upward opening of wherein said accumulator tank.
Thereby, when the surface tension of unnecessary brazing material can not be strengthened, stoped the backflow of unnecessary brazing material in accumulator tank.
A sixth aspect of the present invention is a kind of sintering briquette as soldering as described in the 5th aspect, one of wherein said first and second parts have projection or pit, and has relative supporting leg on another, described supporting leg is included in the pit or the projection on its terminal composition surface, and the medial surface of wherein said accumulator tank aligns with the right side or the left part of described supporting leg.
Utilize this structure, the unnecessary brazing material on the right side of described supporting leg or the left side can be stored in described accumulator tank.
A seventh aspect of the present invention is a kind of sintering briquette as soldering as described in the 6th aspect, and the hole that wherein is used to insert the brazing material bead is formed between the accumulator tank of the left and right sides.
Like this, the brazing material bead can be put into from described hole.
A eighth aspect of the present invention is a kind of sintering briquette as soldering as described in the 5th aspect, one of wherein said first and second parts have projection or pit, and has relative supporting leg on another, described supporting leg is included in the pit or the projection on terminal composition surface, and the medial surface of wherein said accumulator tank aligns with the outward flange of described supporting leg outer surface.
Like this, the unnecessary brazing material on the described supporting leg outer surface can be stored in the described accumulator tank.
A ninth aspect of the present invention is a kind of sintering briquette as soldering as described in the 5th aspect, and first and second parts of wherein said ring dish component form are pinion frames, and it comprises a pair of relative side panel, has planetary gear between them.
Utilize this structure,, also can easily create even the sintering briquette of soldering of the present invention is the pinion frame of complicated shape.
Description of drawings
In order to obtain that the present invention is understood more completely, be described referring now to the following explanation that combines with accompanying drawing.Accompanying drawing is:
Fig. 1 shows the perspective view according to the sintering briquette of the soldering of the specific embodiment of the invention.
Fig. 2 shows the fragmentary, perspective view according to first parts of the sintering briquette of the soldering of the specific embodiment of the invention.
Fig. 3 shows the fragmentary, perspective view according to second parts of the sintering briquette of the soldering of the specific embodiment of the invention.
Fig. 4 illustrates the engage one another schematic diagram of the joint clearance under together the situation of first parts and second parts.
Fig. 5 is the schematic diagram of another embodiment of the present invention, shows other examples of projection of the present invention, pit and accumulator tank.
The specific embodiment
To Fig. 5 specific embodiments of the invention are described with reference to Fig. 1 below.
As shown in Figure 1, the sintering briquette of soldering of the present invention is made of first parts 1 and second parts 10.As depicted in figs. 1 and 2, first parts 1 are a kind of forms of annular disk member, and second parts 10 are another kind of annular disk members, and have several supporting legs that stretch out 11 (three supporting legs are arranged at interval with equal angles in this embodiment), as shown in Figure 3.Simultaneously, mark H has represented to be positioned at the hole of first parts 1, is used for inserting the brazing material ball.In the present embodiment, first parts 1 and second parts 10 are respectively a kind of shapes of annular disk member, show a kind of example of pinion frame, and this pinion frame is made up of a pair of relative and side panel that have the planetary gear (not shown) betwixt.
These first parts 1 and second parts 10 are by the formation of exerting pressure to dusty material, and they are combined mutually then, and brazing material is put between the composition surface of parts.Subsequently, first parts 1 and second parts 10 that have brazing material are therebetween put into sintering furnace, make two parts at predetermined temperature sintering, and the while brazing material melts one of composition surface with parts and is soldered on another.
In the present embodiment, as shown in Figure 2, the composition surface 2 of first parts 1 has protruding projection 3 to second parts 10, so that first parts 1 are with respect to second parts, 10 location.Projection 3 inward flanges near first parts, 1 composition surface, described protruding 3 is tapered from the near-end to the end.
The composition surface 12 of the supporting leg 11 of second parts 10 has and is used to assemble projection 3 in pit 13 wherein, and described pit 13 is relative with described protruding 3.
Particularly, as shown in Figure 4, the degree of depth h2 of pit 13 is set at slightly littler than the protrusion length h1 of projection 3.That is to say that when projection 3 was packed pit 13 into, not only first parts 1 can provide joint clearance A simultaneously with respect to second parts, 10 location, gap size provides by (h1-h2) between first parts 1 and second parts 10.
The size that it may be noted that joint clearance A should make brazing material be full of composition surface between first parts 1 and second parts 10.Therefore, the difference between the degree of depth h2 of the protrusion length h1 of projection 3 and pit 13 is set at the required value of brazing material that can permeate q.s.
And as Fig. 2 and shown in Figure 4, the composition surface 2 of first parts 1 has the unnecessary brazing material of accumulator tank 4,4 ' be used for storing.These accumulator tanks 4,4 ' be positioned at the appropriate location on the composition surface 2 of first parts 1, each all has the suitable degree of depth and width, outward flange corresponding to the outer surface 11b of the left and right end portions 11a outward flange of the supporting leg 11 of second parts 10 or supporting leg 11, make when the joint clearance A of brazing material between first parts 1 and second parts 10 melts, can collect unnecessary brazing material.
And the inner surface 4a of accumulator tank 4 just is positioned at the side surface of the accumulator tank 4 on supporting leg 11 next doors, aligns with a left side or the right hand edge 11a of supporting leg 11, and groove 4 is arranged vis-a-vis.Such layout realizes by pit 13 that projection 3 is packed into.Equally, accumulator tank 4 ' inner surface 4 ' a, just be positioned at the accumulator tank 4 on supporting leg 11 next doors ' one of side surface, align with the outward flange of the outer surface 11b of supporting leg 11, vis-a-vis groove 4 ' layout.Between paired left and right sides groove 4, have aforementioned apertures H and be used for inserting the brazing material bead.
From noted earlier clear, projection 3 is formed on the composition surface 2 of first parts 1, size is formed at than projection 3 the little pit 13 of height on the composition surface 12 of supporting leg 11 of second parts 10, so if the projection 3 of first parts 1 is packed in the pit 13 of second parts 10, not only parts 1 and 10 can suitably be located mutually, simultaneously also can be corresponding to the dimension difference between them, easily obtain the joint clearance A between the composition surface 12 of the composition surface 2 of first parts 1 and second parts 10.
Thereby, if after joint clearance A is set at the predetermined size that is used for the brazing material infiltration, two parts with the gap A that has filled up brazing material are through oversintering, can allow required an amount of brazing material between the composition surface 2 and 12 of first and second parts 1 and 10, to permeate, thereby can obtain needed soldering strength reliably, improve the reliability of soldering strength.After engaging by this way, will carry out final machine tooling.
Simultaneously, unnecessary fusing brazing material may be projected into the outside, composition surface 2 at first parts 1 provides accumulator tank 4,4 ' make unnecessary brazing material can be stored in the there, not only can stop unnecessary brazing material to flow out parts, thereby eliminated the danger that influences outward appearance, also can save the difficulty of removing unnecessary brazing material.Simultaneously, because accumulator tank 4,4 ' be positioned at respectively left and right end portions 11a outward flange, and the outer peripheral position of the outer surface 11b of supporting leg 11, thereby can hold the unnecessary brazing material of relatively large amount with respect to the supporting leg 11 of second parts.
And, accumulator tank 4,4 ' inner surface 4a, 4 ' a respectively with outward flange alignment with respect to the outer surface 11b of the side of supporting leg 11 left sides of accumulator tank 4,4 ' placement or right hand edge 11a and supporting leg 11, these accumulator tanks 4 simultaneously, 4 ' fully upward openings, be suspended from accumulator tank 4,4 ' on gap length A reduce to minimum, spill into the outside fast thereby be convenient to unnecessary brazing material.
And, even be stored in accumulator tank 4,4 ' in brazing material reflux, the surface tension of unnecessary brazing material also can not be at accumulator tank 4,4 ' middle reinforcement, because accumulator tank 4,4 ' inner surface 4a, 4 ' a respectively with respect to accumulator tank 4, the outward flange alignment of the outer surface 11b of 4 ' supporting leg 11 left sides of settling or the side of right hand edge 11a and supporting leg 11, the upward opening of these accumulator tanks 4,4 ' fully simultaneously, thus the backflow of unnecessary brazing material stoped.
Incidentally, the present invention should not be defined in the above embodiments, within protection domain of the present invention various improvement can be arranged.For example, although among the embodiment in front, projection 3 is positioned on first parts 1, and pit 13 is positioned on the supporting leg 11 of second parts 10, is not limited to such layout.For example, as shown in Figure 5, projection 3 can be positioned at the latter, and pit 13 is positioned at the former, and can adopt any other layout with same function and effect.Although first parts 1 and second parts 10 sintering and soldering simultaneously among the embodiment in front, they also separately sintering enter brazing process then.
Claims (9)
1. the sintering briquette of a soldering is made of first parts and second parts at least, and each parts has the composition surface, and engages one another by soldering, it is characterized in that comprising:
Be formed on the projection on one of them the composition surface of first and second parts;
Be formed in first and second parts pit on another the composition surface, described pit is assembled on the described projection, and it has when the former is assembled to the degree of depth that can obtain the joint clearance that needs when the latter goes up between first and second parts; And
At least one is formed on the accumulator tank on one of them the composition surface of first and second parts, and described accumulator tank is used for storing unnecessary brazing material, and settles with respect to another lateral parts in first and second parts.
2. the sintering briquette of a soldering is made of first parts and second parts at least, and each parts has the composition surface, and engages one another by soldering, it is characterized in that comprising:
Be formed on the projection on one of them the composition surface of first and second parts;
Be formed in first and second parts pit on another the composition surface, described pit is assembled on the described projection, and it has when the former is assembled to the degree of depth that can obtain the joint clearance that needs when the latter goes up between first and second parts;
At least one is formed on the accumulator tank on one of them the composition surface outward flange of first and second parts, and described accumulator tank is used for storing unnecessary brazing material, and the inner surface of accumulator tank is aligned in another relative part in first and second parts.
3. as the sintering briquette of a kind of soldering as described in the claim 2, it is characterized in that described gap has the brazing material that makes required appropriate amount and penetrates into size between the described first and second components bonding faces.
4. as the sintering briquette of a kind of soldering as described in the claim 3, it is characterized in that, described first parts and second parts are annular sheet metals, they are all made by metal dust respectively, their mutual combinations then, and brazing material is filled between the composition surface of two parts, make two parts in stove under predetermined temperature sintering, get on thereby brazing material fusing simultaneously is soldered to another composition surface with a composition surface of parts.
5. as the sintering briquette of a kind of soldering as described in the claim 4, it is characterized in that described accumulator tank is upwards opened fully.
6. as the sintering briquette of a kind of soldering as described in the claim 5, it is characterized in that one of described first and second parts are formed with projection or pit, and are formed with relative supporting leg on another, described supporting leg is included in pit or the projection on the terminal composition surface, and
The medial surface of wherein said accumulator tank aligns with the right side of described supporting leg or left part.
7. as the sintering briquette of a kind of soldering as described in the claim 6, it is characterized in that the hole that is used for inserting the brazing material bead is formed between the accumulator tank of the left and right sides.
8. as the sintering briquette of a kind of soldering as described in the claim 5, it is characterized in that one of described first and second parts are formed with projection or pit, and are formed with relative supporting leg on another, described supporting leg is included in pit or the projection on its terminal composition surface, and
The medial surface of wherein said accumulator tank aligns with the outward flange of described supporting leg outer surface.
9. as the sintering briquette of a kind of soldering as described in the claim 5, it is characterized in that for first and second parts of described ring dish component form are pinion frames, it comprises a pair of relative side panel, has planetary gear between them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031407722A CN1548266A (en) | 2003-05-16 | 2003-05-16 | Sintering compact of brass solder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031407722A CN1548266A (en) | 2003-05-16 | 2003-05-16 | Sintering compact of brass solder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1548266A true CN1548266A (en) | 2004-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031407722A Pending CN1548266A (en) | 2003-05-16 | 2003-05-16 | Sintering compact of brass solder |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101998892A (en) * | 2008-02-22 | 2011-03-30 | Gkn烧结金属有限公司 | Brazed component and method of forming a brazed joint therein |
| CN102950350A (en) * | 2012-10-05 | 2013-03-06 | 中国电子科技集团公司第十研究所 | Process for welding electronic microcomponents based on multi-temperature gradient |
| CN103068517A (en) * | 2010-08-20 | 2013-04-24 | 丰田自动车株式会社 | Welding structure and welding method using three positioning portions |
| CN103997149A (en) * | 2013-02-15 | 2014-08-20 | 三菱电机株式会社 | Rotary electric machine |
| CN105397293A (en) * | 2015-12-25 | 2016-03-16 | 江阴法尔胜佩尔新材料科技有限公司 | Welding structure of nickel-titanium alloy and dissimilar metal material and welding method thereof |
| CN106604799A (en) * | 2014-08-27 | 2017-04-26 | 住友电工烧结合金株式会社 | Braze joined article |
| CN110792756A (en) * | 2019-10-19 | 2020-02-14 | 山西东睦华晟粉末冶金有限公司 | Combined brazing sintered sprocket and preparation method thereof |
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2003
- 2003-05-16 CN CNA031407722A patent/CN1548266A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101998892A (en) * | 2008-02-22 | 2011-03-30 | Gkn烧结金属有限公司 | Brazed component and method of forming a brazed joint therein |
| CN103372727A (en) * | 2008-02-22 | 2013-10-30 | Gkn烧结金属有限公司 | Brazed component and method of forming a brazed joint therein |
| US10471530B2 (en) | 2008-02-22 | 2019-11-12 | Gkn Sinter Metals, Llc | Brazed component and method of forming a brazed joint therein |
| CN103372727B (en) * | 2008-02-22 | 2016-08-03 | Gkn烧结金属有限公司 | Brazing component and the method forming brazing link in brazing component |
| CN101998892B (en) * | 2008-02-22 | 2016-10-19 | Gkn烧结金属有限公司 | Brazing component and the method forming brazing link in brazing component |
| CN103068517A (en) * | 2010-08-20 | 2013-04-24 | 丰田自动车株式会社 | Welding structure and welding method using three positioning portions |
| CN103068517B (en) * | 2010-08-20 | 2016-01-20 | 丰田自动车株式会社 | Use Welding Structure and the welding method of three location divisions |
| CN102950350A (en) * | 2012-10-05 | 2013-03-06 | 中国电子科技集团公司第十研究所 | Process for welding electronic microcomponents based on multi-temperature gradient |
| CN103997149A (en) * | 2013-02-15 | 2014-08-20 | 三菱电机株式会社 | Rotary electric machine |
| CN106604799A (en) * | 2014-08-27 | 2017-04-26 | 住友电工烧结合金株式会社 | Braze joined article |
| CN106604799B (en) * | 2014-08-27 | 2021-09-28 | 住友电工烧结合金株式会社 | Brazed sintered component |
| CN105397293B (en) * | 2015-12-25 | 2017-10-20 | 江阴法尔胜佩尔新材料科技有限公司 | The welding structure and its welding method of Nitinol and different metal materials |
| CN105397293A (en) * | 2015-12-25 | 2016-03-16 | 江阴法尔胜佩尔新材料科技有限公司 | Welding structure of nickel-titanium alloy and dissimilar metal material and welding method thereof |
| CN110792756A (en) * | 2019-10-19 | 2020-02-14 | 山西东睦华晟粉末冶金有限公司 | Combined brazing sintered sprocket and preparation method thereof |
| CN110792756B (en) * | 2019-10-19 | 2023-04-28 | 山西东睦华晟粉末冶金有限公司 | Combined brazing sintered chain wheel and preparation method thereof |
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