CN103769429B - A kind of Y-piece producing device and preparation method thereof - Google Patents
A kind of Y-piece producing device and preparation method thereof Download PDFInfo
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- CN103769429B CN103769429B CN201410064022.4A CN201410064022A CN103769429B CN 103769429 B CN103769429 B CN 103769429B CN 201410064022 A CN201410064022 A CN 201410064022A CN 103769429 B CN103769429 B CN 103769429B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 66
- 229910052802 copper Inorganic materials 0.000 claims description 52
- 239000010949 copper Substances 0.000 claims description 52
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 17
- 238000009434 installation Methods 0.000 abstract description 8
- 239000000945 filler Substances 0.000 abstract description 6
- 238000005496 tempering Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001349 ledeburite Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Powder Metallurgy (AREA)
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Abstract
The invention discloses a kind of Y-piece manufacturing installation, the one-shot forming of Y-piece can be realized, relative to twice forming technique of the prior art, 7 procedures can be saved, comprising: cut material, drill centers, the material returned, tempering, secondary filler, secondary cut material and roll and curve Y type, obviously shorten the production cycle of Y-piece, improve the make efficiency of Y-piece, also reduce product rejection rate simultaneously, improve product quality, save resource, and decrease supplementary product onsumption expense.The present invention also provides a kind of Y-piece preparation method.
Description
Technical field
The present invention relates to Y-piece manufacture technology field, particularly a kind of Y-piece producing device and preparation method thereof.
Background technology
Y-piece is a kind of purposes three-way pipe widely, and it comprises copper three-way tube, and at present, copper tee pipe fitting is of many uses at the logical engineering field of pipe, and especially the industry such as refrigeration, chemical industry, building and food is indispensable.
When making copper three-way tube, most widely used extrusion process is filler extrusion forming process in the industry now.Its technological process reaches more than 25 procedures, and the process-cycle is oversize, turn sequence slow, and scrappage is high.Current most widely used technological process is: on mould, first offer two grooves, two T-shaped settings of groove, then extrude, first straight tube is fixed on the middle part of second straight tube, forms T-shaped pipe, then to centered by second straight tube is in the middle part of it, two ends are bent, form Y-piece, be not one-shot forming, cause its technological process to reach more than 25 procedures.
Therefore, how providing a kind of Y-piece producing device, to improve Y-piece make efficiency, is the current technical issues that need to address of those skilled in the art.
Summary of the invention
The object of this invention is to provide a kind of Y-piece producing device, to improve Y-piece make efficiency; Another object of the present invention is to provide a kind of Y-piece preparation method.
For solving the problems of the technologies described above, the invention provides following scheme:
A kind of Y-piece manufacturing installation, comprise the first squeezing needle, second squeezing needle, 3rd squeezing needle, mold and bed die, described bed die comprises the first groove be arranged in parallel, second groove and the 3rd groove, the end of described first groove and described second groove all extends to the end of described bed die, the end of described 3rd groove extends to the top of described bed die, the top of described first groove is that arcuation is communicated with the top of described 3rd groove from the left side of described 3rd groove, the top of described second groove is that arcuation is communicated with the top of described 3rd groove and is communicated with the top of described first groove simultaneously from the right side of described 3rd groove, described mold comprises the 4th groove, 5th groove and the 6th groove, described 4th groove is corresponding with described first groove to be arranged, described 5th groove is corresponding with described second groove to be arranged, described 6th groove is corresponding with described 3rd groove to be arranged, when described mold and described bed die fasten, form the extruding die cavity of Y-piece.
Preferably, above-mentioned first squeezing needle and described second squeezing needle are all by Driven by Hydraulic Cylinder, and described 3rd squeezing needle passes through air cylinder driven.
Preferably, above-mentioned 3rd squeezing needle is the piston rod of cylinder.
Preferably, above-mentioned hydraulic cylinder position is one, drives described first squeezing needle and described second squeezing needle simultaneously.
Preferably, above-mentioned Y-piece producing device also comprises mold fixed head and bed die fixed head, described mold fixed head and described bed die fixed head are as Q235 makes, and described mold and described bed die are Cr12 and make, and quenching hardness is 60 ± 2HRC.
The present invention also provides a kind of Y-piece preparation method, comprising: step 1) intercepts the copper pipe needing length, step 2) described copper pipe is put into copper powder pond carry out copper powder, step 3) is to filled media in described copper pipe, mold is installed on the upper mould fixed plate of stamping machine by step 4), bed die is installed on the counterdie fixed head of described stamping machine, described bed die comprises the first groove be arranged in parallel, second groove and the 3rd groove, the end of described first groove and described second groove all extends to the end of described bed die, the end of described 3rd groove extends to the top of described bed die, the top of described first groove is that arcuation is communicated with the top of described 3rd groove from the left side of described 3rd groove, the top of described second groove is that arcuation is communicated with the top of described 3rd groove and is communicated with the top of described first groove simultaneously from the right side of described 3rd groove, described mold comprises the 4th groove, 5th groove and the 6th groove, described 4th groove is corresponding with described first groove to be arranged, described 5th groove is corresponding with described second groove to be arranged, described 6th groove is corresponding with described 3rd groove to be arranged, when described mold and described bed die fasten, form the extruding die cavity of Y-piece, wherein, described first groove and described 4th groove form the first through hole, described second groove and described 5th groove form the second through hole, described 3rd groove and described 6th groove form third through-hole, described copper pipe is placed in described first groove by step 5), then described mold and described bed die is fastened and compresses, step 6) enters into described first through hole and described second through hole respectively by the first squeezing needle described in Hydraulic Cylinder and described second squeezing needle, promote described 3rd squeezing needle by cylinder and enter into described third through-hole, meanwhile, described first squeezing needle continues after touching described copper pipe to promote described copper pipe deeply, described 3rd squeezing needle blocks described third through-hole, described copper pipe enters into described second through hole and touches described second squeezing needle in described first through hole, now, described hydraulic cylinder continues described first squeezing needle of promotion and described second squeezing needle gos deep into, when pressure arrives to a certain degree, the described copper pipe being arranged in described first through hole and described second through hole promotes described 3rd squeezing needle and leaves described third through-hole gradually, described copper pipe is shaped to Y-piece.
Preferably, above-mentioned steps 2) be specially and described copper pipe put into copper powder pond and swing up and down 20 seconds and take out oven dry afterwards and carry out copper powder.
Preferably, above-mentioned Y-piece preparation method also comprises step 7) and is slightly beaten by described Y-piece, puts into material returned stove afterwards, keeps furnace temperature 420 DEG C, takes out after 4 minutes; Step 8) is cleaned after taking out from described material returned stove, enlarging afterwards, then deoils, and then carries out essence and beats, then carry out punch press running-on; Step 9) carries out deoiling, cleaning again, carries out afterwards striking ring, choosing ring.
The Y-piece manufacturing installation that the invention described above provides, comprise the first squeezing needle, second squeezing needle, 3rd squeezing needle, mold and bed die, bed die comprises the first groove be arranged in parallel, second groove and the 3rd groove, the end of the first groove and the second groove all extends to the end of bed die, the end of the 3rd groove extends to the top of bed die, the top of the first groove is that arcuation is communicated with the top of the 3rd groove from the left side of the 3rd groove, the top of the second groove is that arcuation is communicated with the top of the 3rd groove and is communicated with the top of the first groove simultaneously from the right side of the 3rd groove, mold comprises the 4th groove, 5th groove and the 6th groove, 4th groove is corresponding with the first groove to be arranged, 5th groove is corresponding with the second groove to be arranged, 6th groove is corresponding with the 3rd groove to be arranged, when mold and bed die fasten, form the extruding die cavity of Y-piece.Wherein, first groove and the 4th groove form the first through hole, second groove and the 5th groove form the second through hole, 3rd groove and the 6th groove form third through-hole, specifically in use, first pending copper pipe is placed in the first groove, then mold and bed die are fastened and compress, the first through hole and the second through hole is entered into respectively afterwards by Hydraulic Cylinder first squeezing needle and the second squeezing needle, it can certainly be other thrust unit, promote the 3rd squeezing needle by cylinder and enter into third through-hole, it can certainly be other thrust unit, meanwhile, first squeezing needle continues after touching copper pipe to promote copper pipe deeply, 3rd squeezing needle blocks third through-hole, copper pipe enters into the second through hole and touches the second squeezing needle in the first through hole, now, hydraulic cylinder continues promotion first squeezing needle and the second squeezing needle gos deep into, when pressure arrives to a certain degree, the copper pipe being arranged in the first through hole and the second through hole promotes the 3rd squeezing needle and leaves third through-hole gradually, copper pipe is shaped to Y-piece.Achieve the one-shot forming of Y-piece, relative to twice forming technique of the prior art, 7 procedures can be saved, comprise: cut material, drill centers, the material returned, tempering, secondary filler, secondary cut material and roll and curve Y type, obviously shorten the production cycle of Y-piece, improve the make efficiency of Y-piece, also reduce product rejection rate simultaneously, improve product quality, save resource, and decrease supplementary product onsumption expense.
Accompanying drawing explanation
The structural representation of the Y-piece manufacturing installation that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the Y-piece that Fig. 2 provides for the embodiment of the present invention.
In upper Fig. 1 and Fig. 2:
First groove 1, second groove 2, the 3rd groove 3, mold 4, bed die 5, mold fixed head 6, bed die fixed head 7, cylinder 8, Y-piece 9.
Detailed description of the invention
In order to make those skilled in the art understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1 and Fig. 2, the structural representation of the Y-piece manufacturing installation that Fig. 1 provides for the embodiment of the present invention; The structural representation of the Y-piece that Fig. 2 provides for the embodiment of the present invention.
The Y-piece manufacturing installation that the invention described above embodiment provides, comprise the first squeezing needle, second squeezing needle, 3rd squeezing needle, mold 4 and bed die 5, bed die 5 comprises the first groove 1 be arranged in parallel, second groove 2 and the 3rd groove 3, the end of the first groove 1 and the second groove 2 all extends to the end of bed die 5, the end of the 3rd groove 3 extends to the top of bed die 5, the top of the first groove 1 is that arcuation is communicated with the top of the 3rd groove 3 from the left side of the 3rd groove 3, the top of the second groove 2 is that arcuation is communicated with the top of the 3rd groove 3 and is communicated with the top of the first groove 1 simultaneously from the right side of the 3rd groove 3, mold 4 comprises the 4th groove, 5th groove and the 6th groove, 4th groove is corresponding with the first groove 1 to be arranged, 5th groove is corresponding with the second groove 2 to be arranged, 6th groove is corresponding with the 3rd groove 3 to be arranged, when mold 4 and bed die 5 fasten, form the extruding die cavity of Y-piece 9.Wherein, first groove 1 and the 4th groove form the first through hole, second groove 2 and the 5th groove form the second through hole, 3rd groove 3 and the 6th groove form third through-hole, specifically in use, first pending copper pipe is placed in the first groove 1, then mold 4 and bed die 5 are fastened compression, the first through hole and the second through hole is entered into respectively afterwards by Hydraulic Cylinder first squeezing needle and the second squeezing needle, it can certainly be other thrust unit, promote the 3rd squeezing needle by cylinder 8 and enter into third through-hole, it can certainly be other thrust unit, meanwhile, first squeezing needle continues after touching copper pipe to promote copper pipe deeply, 3rd squeezing needle blocks third through-hole, copper pipe enters into the second through hole and touches the second squeezing needle in the first through hole, now, hydraulic cylinder continues promotion first squeezing needle and the second squeezing needle gos deep into, when pressure arrives to a certain degree, the copper pipe being arranged in the first through hole and the second through hole enters into third through-hole, and promote the 3rd squeezing needle and leave third through-hole gradually, copper pipe is shaped to Y-piece 9.Achieve the one-shot forming of Y-piece 9, relative to twice forming technique of the prior art, 7 procedures can be saved, comprise: cut material, drill centers, the material returned, tempering, secondary filler, secondary cut material and roll and curve Y type, obviously shorten the production cycle of Y-piece 9, improve the make efficiency of Y-piece 9, also reduce product rejection rate simultaneously, improve product quality, save resource, and decrease supplementary product onsumption expense.
Wherein, first squeezing needle and the second squeezing needle all pass through Driven by Hydraulic Cylinder, 3rd squeezing needle passes through air cylinder driven, wherein, the air pressure of cylinder 8 reaches 0.6-0.8MPa, cylinder 8 promotes the 3rd squeezing needle, and to enter into third through-hole be to stop copper pipe to advance into third through-hole what enter the second through hole, during concrete use, the thrust that first squeezing needle and the second squeezing needle are subject to is the thrust of the forcing press of 100 tons of hydraulic cylinders, so when hydraulic cylinder continues promotion first squeezing needle and the second squeezing needle gos deep into, when pressure arrives to a certain degree, the copper pipe being arranged in the first through hole and the second through hole will promote the 3rd squeezing needle and leave third through-hole gradually, copper pipe is shaped to Y-piece 9.
Concrete, the 3rd squeezing needle can be directly the piston rod of cylinder 8, without the need to adding other equipment, reduce further cost of manufacture.In order to reduce cost of manufacture further, hydraulic cylinder position is one, drives the first squeezing needle and the second squeezing needle simultaneously.
Before use mold 4 and bed die 5, mold 4 and bed die 5 can be fixed on stamping machine by mold fixed head 6 and bed die fixed head 7, so concrete, above-mentioned Y-piece producing device also comprises mold fixed head 6 and bed die fixed head 7, because upper mould fixed plate 6 and counterdie fixed head 7 are subject to frictional force less, use Q235 to make can meet the demands, and after mold 4 and bed die 5 fasten and compress, the frictional force be subject in die cavity due to copper pipe is larger, hardness must be adopted high, wearability is good, the mould steel that quenching degree is good goes to make, empirical tests Cr12 mould steel can meet the demands completely, quenching hardness is 60 ± 2HRC best results.Wherein, Q235 is a kind of trade mark, from as carbon structural steel, Q representative be the yield limit of this material, below 235, just refer to the yield value of this material, at about 235MPa.Cr12 is a kind of trade mark, self is a kind of mould steel, belongs to high carbon and chromium ledeburite steel, is also widely used cold work die steel. this steel has good quenching degree, wearability, hot-workability.Carbide distributes better in steel, can be used for manufacturing complex-shaped, condition of work heavy under various cold-work dies.As being made into the die cavity of Y-piece 9, need to make multiple radian just passable.
The using method of the Y-piece manufacturing installation that content above provides for the embodiment of the present invention, and in the Y-piece manufacturing process of reality, the use of the Y-piece manufacturing installation provided to coordinate the invention described above embodiment preferably, also need other place mat, therefore the embodiment of the present invention also provides a kind of Y-piece preparation method, comprise: step 1) intercepts the copper pipe needing length, in general, the total length of the first through hole and the second through hole is greater than the length of copper pipe, could realize follow-up extruded, step 2) copper pipe is put into copper powder pond carry out copper powder, due to when extruding, be very high to the smoothness requirements of mould, the existence of tiny copper powder can fray mould and product, makes both to produce cut, causes the raising of product rejection rate, step 3), to filled media in copper pipe, mainly utilizes air flowability herein, is convenient to copper pipe and carries out plastic deformation, improves the one-time formed success rate of Y-piece 9, reduces scrappage, mold 4 is installed on the upper mould fixed plate 6 of stamping machine by step 4), bed die 5 is installed on the counterdie fixed head 7 of stamping machine, bed die 5 comprises the first groove 1 be arranged in parallel, second groove 2 and the 3rd groove 3, the end of the first groove 1 and the second groove 2 all extends to the end of bed die 5, the end of the 3rd groove 3 extends to the top of bed die 5, the top of the first groove 1 is that arcuation is communicated with the top of the 3rd groove 3 from the left side of the 3rd groove 3, the top of the second groove 2 is that arcuation is communicated with the top of the 3rd groove 3 and is communicated with the top of the first groove 1 simultaneously from the right side of the 3rd groove 3, mold 4 comprises the 4th groove, 5th groove and the 6th groove, 4th groove is corresponding with the first groove 1 to be arranged, 5th groove is corresponding with the second groove 2 to be arranged, 6th groove is corresponding with the 3rd groove 3 to be arranged, when mold 4 and bed die 5 fasten, form the extruding die cavity of Y-piece 9, wherein, first groove 1 and the 4th groove form the first through hole, second groove 2 and the 5th groove form the second through hole, 3rd groove 3 and the 6th groove form third through-hole, copper pipe is placed in the first groove 1 by step 5), then mold 4 and bed die 5 is fastened compression, step 6) enters into the first through hole and the second through hole respectively by Hydraulic Cylinder first squeezing needle and the second squeezing needle, promote the 3rd squeezing needle by cylinder 8 and enter into third through-hole, meanwhile, first squeezing needle continues after touching copper pipe to promote copper pipe deeply, 3rd squeezing needle blocks third through-hole, copper pipe enters into the second through hole and touches the second squeezing needle in the first through hole, now, hydraulic cylinder continues promotion first squeezing needle and the second squeezing needle gos deep into, when pressure arrives to a certain degree, the copper pipe being arranged in the first through hole and the second through hole promotes the 3rd squeezing needle and leaves third through-hole gradually, copper pipe is shaped to Y-piece 9.
In order to better remove copper powder, step 2) be specially and copper pipe put into copper powder pond and swing up and down 20 seconds and take out oven dry afterwards and carry out copper powder, removal effect is better.
The Y-piece preparation method that the invention described above embodiment provides is only that Y-piece 9 is produced in one-shot forming, but Y-piece now 9 can not be sold as finished product, so follow-up needs some subsequent treatment to one-time formed Y-piece 9, above-mentioned Y-piece preparation method also comprises step 7) and is slightly beaten by Y-piece 9, when carrying out enlarging after only having single port slightly to beat, enlarging pin just can insert single port, single port is diffused in customer requirement dimensional tolerance range, put into material returned stove afterwards, keep furnace temperature 420 DEG C, take out after 4 minutes, filler in shaping rear product can be recycled, it also avoid filler residual in product affects enlarging presentation quality when enlarging simultaneously, step 8) is cleaned after taking out from material returned stove, enlarging afterwards, enlarging is in order to double end end external diameter after ensureing product punch press running-on can arrive customer specification, single port is diffused into the margin of tolerance of customer requirement simultaneously, deoil again, deoil in order to avoid product is stained with mould when essence is beaten, affect production efficiency, then carry out essence and beat, it is that copper pipe by unnecessary removes that essence is beaten, ensure customer requirement height tolerance, then carry out punch press running-on, after running-on, twoport external diameter reaches the customer requirement margin of tolerance, step 9) carries out deoiling, cleaning again, wherein, greasy dirt can be impregnated into product surface when cleaning and be difficult to remove, and can have a strong impact on product appearance quality, therefore need to deoil again, carry out afterwards striking ring, choosing ring, wherein, striking ring is in order to when client uses, client's production process can be reduced, shorten the production cycle of client, choosing ring is to prevent the product not striking ring and strike ring not in place from flowing into client, affects client and produces.Y-piece 9 now can have been sold as finished product, it should be noted that herein, these operations are all the treatment process to one-time formed Y-piece 9, diverse with the treatment process of twice shaping Y-piece of the prior art, a kind of one-time formed product is divided into twice shaping be fairly simple, but it is very difficult that a kind of twice shaping product of ability is carried out one-shot forming, and the Y-piece producing device that the embodiment of the present invention provides and Y-piece preparation method exactly solve this problem, greatly improve the make efficiency of Y-piece 9.
Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (3)
1. a Y-piece preparation method, is characterized in that, comprising:
Step 1) intercept the copper pipe needing length;
Step 2) described copper pipe is put into copper powder pond carry out copper powder;
Step 3) to filled media in described copper pipe;
Step 4) mold is installed on the upper mould fixed plate of stamping machine, bed die is installed on the counterdie fixed head of described stamping machine, described bed die comprises the first groove be arranged in parallel, second groove and the 3rd groove, the end of described first groove and described second groove all extends to the end of described bed die, the end of described 3rd groove extends to the top of described bed die, the top of described first groove is that arcuation is communicated with the top of described 3rd groove from the left side of described 3rd groove, the top of described second groove is that arcuation is communicated with the top of described 3rd groove and is communicated with the top of described first groove simultaneously from the right side of described 3rd groove, described mold comprises the 4th groove, 5th groove and the 6th groove, described 4th groove is corresponding with described first groove to be arranged, described 5th groove is corresponding with described second groove to be arranged, described 6th groove is corresponding with described 3rd groove to be arranged, when described mold and described bed die fasten, form the extruding die cavity of Y-piece, wherein, described first groove and described 4th groove form the first through hole, described second groove and described 5th groove form the second through hole, described 3rd groove and described 6th groove form third through-hole,
Step 5) described copper pipe is placed in described first groove, then described mold and described bed die are fastened and compress;
Step 6) enter into described first through hole and described second through hole respectively by Hydraulic Cylinder first squeezing needle and the second squeezing needle, promote the 3rd squeezing needle by cylinder and enter into described third through-hole, meanwhile, described first squeezing needle continues after touching described copper pipe to promote described copper pipe deeply, described 3rd squeezing needle blocks described third through-hole, described copper pipe enters into described second through hole and touches described second squeezing needle in described first through hole, now, described hydraulic cylinder continues described first squeezing needle of promotion and described second squeezing needle gos deep into, when pressure arrives to a certain degree, the described copper pipe being arranged in described first through hole and described second through hole promotes described 3rd squeezing needle and leaves described third through-hole gradually, described copper pipe is shaped to Y-piece.
2. Y-piece preparation method according to claim 1, is characterized in that, described step 2) be specially and described copper pipe put into copper powder pond and swing up and down 20 seconds and take out oven dry afterwards and carry out copper powder.
3. Y-piece preparation method according to claim 1, is characterized in that, also comprise step 7) described Y-piece is slightly beaten, put into material returned stove afterwards, keep furnace temperature 420 DEG C, take out after 4 minutes;
Step 8) from described material returned stove, take out rear cleaning, enlarging afterwards, then deoil, then carry out essence and beat, then carry out punch press running-on;
Step 9) carry out again deoiling, cleaning, carry out afterwards striking ring, choosing ring.
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| CN201410064022.4A CN103769429B (en) | 2014-02-25 | 2014-02-25 | A kind of Y-piece producing device and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410064022.4A CN103769429B (en) | 2014-02-25 | 2014-02-25 | A kind of Y-piece producing device and preparation method thereof |
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| CN103769429A CN103769429A (en) | 2014-05-07 |
| CN103769429B true CN103769429B (en) | 2015-12-02 |
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|---|---|---|---|---|
| US6026570A (en) * | 1994-05-11 | 2000-02-22 | Zeuna-Staker Gmbh & Co., Kg | Method for producing an exhaust gas manifold for a multi-cylinder engine |
| CN102189144A (en) * | 2010-03-03 | 2011-09-21 | 李镇南 | One-shot forming mould of Y-type tee |
| CN102198467A (en) * | 2010-03-10 | 2011-09-28 | 李镇南 | Tee joint forming die and tee joint forming method |
| CN102658321A (en) * | 2012-03-29 | 2012-09-12 | 佛山市顺德区燉煌五金塑料实业有限公司 | Tee extrusion method |
| CN202779254U (en) * | 2012-09-27 | 2013-03-13 | 西安向阳航天材料股份有限公司 | Mechanical bimetal composite tee pipe forming device |
| CN103331329A (en) * | 2013-07-17 | 2013-10-02 | 佛山市顺德区科鸿电器有限公司 | Powder medium and technology for forming three-way pipe |
-
2014
- 2014-02-25 CN CN201410064022.4A patent/CN103769429B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6026570A (en) * | 1994-05-11 | 2000-02-22 | Zeuna-Staker Gmbh & Co., Kg | Method for producing an exhaust gas manifold for a multi-cylinder engine |
| CN102189144A (en) * | 2010-03-03 | 2011-09-21 | 李镇南 | One-shot forming mould of Y-type tee |
| CN102198467A (en) * | 2010-03-10 | 2011-09-28 | 李镇南 | Tee joint forming die and tee joint forming method |
| CN102658321A (en) * | 2012-03-29 | 2012-09-12 | 佛山市顺德区燉煌五金塑料实业有限公司 | Tee extrusion method |
| CN202779254U (en) * | 2012-09-27 | 2013-03-13 | 西安向阳航天材料股份有限公司 | Mechanical bimetal composite tee pipe forming device |
| CN103331329A (en) * | 2013-07-17 | 2013-10-02 | 佛山市顺德区科鸿电器有限公司 | Powder medium and technology for forming three-way pipe |
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| Publication number | Publication date |
|---|---|
| CN103769429A (en) | 2014-05-07 |
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