CN109396773A - A kind of aluminium alloy cavity production method - Google Patents
A kind of aluminium alloy cavity production method Download PDFInfo
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- CN109396773A CN109396773A CN201910000548.9A CN201910000548A CN109396773A CN 109396773 A CN109396773 A CN 109396773A CN 201910000548 A CN201910000548 A CN 201910000548A CN 109396773 A CN109396773 A CN 109396773A
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- aluminium alloy
- cavity
- welding
- production method
- aluminum alloy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
Disclosed by the invention to belong to aluminum alloy processing technology field, specially a kind of aluminium alloy cavity production method, the aluminium alloy cavity production method includes the following steps: S1: aluminum alloy part processing；S2: cleaning；S3: assembling；S4: welding；S5: secondary operation；S6: polishing；S7: it cleans again；S8: drying；S9: leak detection, before welding, time processing first is carried out to a aluminum alloy part, and it is cleaned, eliminate oxidation film, weld porosity generation can be reduced, and the part of each aluminium alloy cavity is assembled in toilet, guarantee that flatness is within a millimeter between part, to ensure that the welding deformation generated when welding because being uneven, the defects of stomata and sand holes, this aluminium alloy cavity welding method, instead of existing expensive overall processing mode, also evaded traditional welding TIG and MIG weld strength not enough and other potential problems, and welding manner is easy, it is low in cost.
Description
Technical field
The present invention relates to aluminum alloy processing technology field, specially a kind of aluminium alloy cavity production method.
Background technique
Aluminium alloy is most widely used one kind non-ferrous metal structural material in industry, in Aeronautics and Astronautics, automobile, machinery
It has been widely applied in manufacture, ship and chemical industry.The rapid development of industrial economy, the demand day to aluminum alloy piping welding structural member
Benefit increases, and the Research on Weldability enabled aluminum alloy to is also goed deep into therewith.Aluminium alloy cavity welding difficulty in the prior art is: usually
The defects of will appear more weld porosity, and be easy to causeing welding deformation, stomata and sand holes.For this purpose, it is proposed that a kind of aluminium
Alloy cavity production method.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of aluminium alloy cavity production method
Aluminium alloy cavity welding difficulty in the prior art is: usually will appear more weld porosity, and welding is be easy to cause to become
The problem of the defects of shape, stomata and sand holes.
To achieve the above object, the invention provides the following technical scheme: a kind of aluminium alloy cavity production method, the aluminium alloy
Cavity production method includes the following steps:
S1: aluminum alloy part processing: each aluminum alloy part of welding is processed, each aluminum alloy part is worked into specified plate
Length, and flash removed and oxide layer are removed, to cavity part inside face, it is polished to the finish of demand, guarantees its discharge quantity,
The stainless steel facing that internal postwelding can not be installed is installed, later strength requirement is reached；
S2: cleaning: each aluminum alloy part to be welded is cleaned；
S3: each aluminum alloy part assembling: is assembled in toilet；
S4: welding: getting out the stirring-head of welding, and gets out the striking block of plumb joint extraction, then carries out in cavity again
Portion's supporting tool and containment portion tighten tooling, and are fixed on welding equipment workbench, carry out the face of integral solder forging force
Support, and reserve the position of welding region, can be once fixedly welded, after the completion of being once fixedly welded, carry out tooling
It is secondary to step up and support, and striking block tooling is installed, it is welded, depth welding reaches the drawing requirement depth of weld, waits production
Product are cooling, tear tooling open；
S5: secondary operation；
S6: polishing: the polishing of aluminium alloy cavity；
S7: it cleans again: cleaning aluminum alloy cavity；
S8: it drying: puts aluminium alloy cavity into baking oven, removes the moisture of aluminium alloy cavity；
S9: leak detection: leak detection aluminium alloy cavity.
Preferably, it in the step S2 in cleaning, using the greasy dirt of degreasing agent removal piece surface, is removed using alkaline etching
The natural oxide of the piece surface is removed the new oxide of one kind of the piece surface using alkaline etching, is removed using pickling
The new oxide of two classes of the piece surface.
Preferably, in the step S3, the assemble method of aluminum alloy part is to be closed each aluminium using positioning pin in toilet
Metal parts are mutually positioned, and guarantee same plane degree.
Preferably, the depth of weld using 6-12 is once fixedly welded in the step S4.
Preferably, the secondary operation in the step step S5 includes processing flange port, seal groove and hole location.
Preferably, in the step S6, when carrying out aluminium alloy cavity polishing, all machined surfaces of cavity utilize round gas
Dynamic sander is polished three times, uses the sand paper of #80 for the first time, and second of the sand paper using #120 uses #240 for the third time
Sand paper, polish cavity sealing surface when, sealing surface is accomplished to the finish of 1.6-0.8 using the pneumatic wire drawing machine of #320.
Preferably, the cleaning method of aluminium alloy cavity is in the step S7, removes the piece surface using degreasing agent
Greasy dirt, the natural oxide of the piece surface is removed using alkaline etching, the one kind for removing the piece surface using alkaline etching is new
Oxide removes the new oxide of two classes of the piece surface using pickling.
Preferably, the drying temperature in the step S8 is 80-100 degree, and baking time is 6-8 hours, after the completion of drying
It is cooling.
Preferably, the leak hunting method of the aluminium alloy cavity in the step S9 is to get out the leak detection of all cavitys first
Blind plate, sealing ring, screw, the vacuum pump and leak detector vacuumized, using the sealing surface of alcohol wipe cavity, seal groove, and
All leak detection blind plate and sealing ring are wiped, leak detection blind plate, sealing ring are then mounted on several positions needed for cavity, are used in combination
Screw locking accesses vacuum pump, and connects leak detector, and the position of all weld seam and blind plate of hunting leak is checked with helium, is guaranteed
Without leak source, all leak detection blind plates and equipment are finally removed.
Compared with prior art, the beneficial effects of the present invention are: the invention propose a kind of aluminium alloy cavity production method,
Before welding, time processing first is carried out to a aluminum alloy part, and cleaned, eliminate oxidation film, weld porosity can be reduced
It generates, and assembles the part of each aluminium alloy cavity in toilet, guarantee that flatness is within a millimeter between part, to protect
The defects of having demonstrate,proved welding deformation, stomata and the sand holes generated when welding because being uneven, this aluminium alloy cavity welding method is replaced
Generation existing expensive overall processing mode has also evaded traditional welding TIG and MIG weld strength not enough and other hidden danger
Problem, and welding manner is easy, it is low in cost.
Detailed description of the invention
Fig. 1 is production method flow chart of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of aluminium alloy cavity production method, the aluminium alloy cavity
Production method includes the following steps:
S1: aluminum alloy part processing: each aluminum alloy part of welding is processed, each aluminum alloy part is worked into specified plate
Length, and flash removed and oxide layer are removed, to cavity part inside face, it is polished to the finish of demand, guarantees its discharge quantity,
The stainless steel facing that internal postwelding can not be installed is installed, later strength requirement is reached；
S2: cleaning: each aluminum alloy part to be welded is cleaned；
S3: each aluminum alloy part assembling: is assembled in toilet；
S4: welding: getting out the stirring-head of welding, and gets out the striking block of plumb joint extraction, then carries out in cavity again
Portion's supporting tool and containment portion tighten tooling, and are fixed on welding equipment workbench, carry out the face of integral solder forging force
Support, and reserve the position of welding region, can be once fixedly welded, after the completion of being once fixedly welded, carry out tooling
It is secondary to step up and support, and striking block tooling is installed, it is welded, depth welding reaches the drawing requirement depth of weld, waits production
Product are cooling, tear tooling open；
S5: secondary operation；
S6: polishing: the polishing of aluminium alloy cavity；
S7: it cleans again: cleaning aluminum alloy cavity；
S8: it drying: puts aluminium alloy cavity into baking oven, removes the moisture of aluminium alloy cavity；
S9: leak detection: leak detection aluminium alloy cavity.
Wherein, in the step S2 in cleaning, using the greasy dirt of degreasing agent removal piece surface, institute is removed using alkaline etching
The natural oxide for stating piece surface is removed the new oxide of one kind of the piece surface using alkaline etching, removes institute using pickling
State the new oxide of two classes of piece surface, in the step S3, the assemble method of aluminum alloy part is, in toilet using positioning
Each aluminum alloy part is mutually positioned by pin, and guarantees same plane degree, is once fixedly welded in the step S4 using 6-12's
The depth of weld, the secondary operation in the step step S5 include processing flange port, seal groove and hole location, in the step S6,
When carrying out aluminium alloy cavity polishing, all machined surfaces of cavity are polished using round Pneumatic grinding machine three times, for the first time
Using the sand paper of #80, second of the sand paper using #120 uses the sand paper of #240 for the third time, in the sealing surface for cavity of polishing,
Sealing surface is accomplished to the finish of 1.6-0.8 using the pneumatic wire drawing machine of #320, the cleaning of aluminium alloy cavity in the step S7
Method is that the greasy dirt of the piece surface is removed using degreasing agent, and the natural oxide of the piece surface is removed using alkaline etching,
The new oxide of one kind that the piece surface is removed using alkaline etching, is newly aoxidized using two classes that pickling removes the piece surface
Object, the drying temperature in the step S8 are 80-100 degree, and baking time is 6-8 hour, cooling after the completion of drying, the step
The leak hunting method of aluminium alloy cavity in S9 is the leak detection blind plate for getting out all cavitys first, sealing ring, screw, vacuumizes
Vacuum pump and leak detector using the sealing surface of alcohol wipe cavity, seal groove, and wipe all leak detection blind plate and sealing
Then leak detection blind plate, sealing ring are mounted on several positions needed for cavity by circle, and with screw locking, access vacuum pump, and connect
Upper leak detector checks the position of all weld seam and blind plate of hunting leak with helium, guarantees that it is blind finally to remove all leak detections without leak source
Plate and equipment.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of aluminium alloy cavity production method, it is characterised in that: the aluminium alloy cavity production method includes the following steps:
S1: aluminum alloy part processing: each aluminum alloy part of welding is processed, each aluminum alloy part is worked into specified plate
Length, and flash removed and oxide layer are removed, to cavity part inside face, it is polished to the finish of demand, guarantees its discharge quantity,
The stainless steel facing that internal postwelding can not be installed is installed, later strength requirement is reached；
S2: cleaning: each aluminum alloy part to be welded is cleaned；
S3: each aluminum alloy part assembling: is assembled in toilet；
S4: welding: getting out the stirring-head of welding, and gets out the striking block of plumb joint extraction, then carries out in cavity again
Portion's supporting tool and containment portion tighten tooling, and are fixed on welding equipment workbench, carry out the face of integral solder forging force
Support, and reserve the position of welding region, can be once fixedly welded, after the completion of being once fixedly welded, carry out tooling
It is secondary to step up and support, and striking block tooling is installed, it is welded, depth welding reaches the drawing requirement depth of weld, waits production
Product are cooling, tear tooling open；
S5: secondary operation；
S6: polishing: the polishing of aluminium alloy cavity；
S7: it cleans again: cleaning aluminum alloy cavity；
S8: it drying: puts aluminium alloy cavity into baking oven, removes the moisture of aluminium alloy cavity；
S9: leak detection: leak detection aluminium alloy cavity.
2. a kind of aluminium alloy cavity production method according to claim 1, it is characterised in that: cleaned in the step S2
When, using the greasy dirt of degreasing agent removal piece surface, the natural oxide of the piece surface is removed using alkaline etching, using alkaline etching
The new oxide of one kind for removing the piece surface, the new oxide of two classes of the piece surface is removed using pickling.
3. a kind of aluminium alloy cavity production method according to claim 1, it is characterised in that: in the step S3, aluminium is closed
The assemble method of metal parts is to be mutually positioned each aluminum alloy part using positioning pin in toilet, and guarantee same plane degree.
4. a kind of aluminium alloy cavity production method according to claim 1, it is characterised in that: once solid in the step S4
Fixed welding uses the depth of weld of 6-12.
5. a kind of aluminium alloy cavity production method according to claim 1, it is characterised in that: in the step step S5
Secondary operation includes processing flange port, seal groove and hole location.
6. a kind of aluminium alloy cavity production method according to claim 1, it is characterised in that: in the step S6, into
When row aluminium alloy cavity is polished, all machined surfaces of cavity are polished using round Pneumatic grinding machine three times, use # for the first time
80 sand paper, second of the sand paper using #120 use the sand paper of #240 for the third time, in the sealing surface for cavity of polishing, utilize #
Sealing surface is accomplished the finish of 1.6-0.8 by 320 pneumatic wire drawing machine.
7. a kind of aluminium alloy cavity production method according to claim 1, it is characterised in that: aluminium alloy in the step S7
The cleaning method of cavity is that the greasy dirt of the piece surface is removed using degreasing agent, removes the piece surface using alkaline etching
Natural oxide is removed the new oxide of one kind of the piece surface using alkaline etching, removes the piece surface using pickling
The new oxide of two classes.
8. a kind of aluminium alloy cavity production method according to claim 1, it is characterised in that: the drying in the step S8
Temperature is 80-100 degree, and baking time is 6-8 hours, cooling after the completion of drying.
9. a kind of aluminium alloy cavity production method according to claim 1, it is characterised in that: the aluminium in the step S9 closes
The leak hunting method of golden cavity is leak detection blind plate, sealing ring, the screw, the vacuum pump vacuumized for getting out all cavitys first
And leak detector, using the sealing surface of alcohol wipe cavity, seal groove, and all leak detection blind plate and sealing ring are wiped, then will
Leak detection blind plate, sealing ring are mounted on several positions needed for cavity, and with screw locking, access vacuum pump, and connect leak detector,
The position that all weld seam and blind plate of hunting leak are checked with helium, guarantees finally to remove all leak detection blind plates and equipment without leak source.
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| CN201910000548.9A CN109396773A (en) | 2019-01-02 | 2019-01-02 | A kind of aluminium alloy cavity production method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910000548.9A CN109396773A (en) | 2019-01-02 | 2019-01-02 | A kind of aluminium alloy cavity production method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513785A (en) * | 2011-12-02 | 2012-06-27 | 国营红阳机械厂 | Processing method of thin and long aluminium alloy thin-walled cylinder |
| CN103612074A (en) * | 2013-11-26 | 2014-03-05 | 柳州六和方盛机械有限公司 | Method for machining aluminum alloy air tank |
| EP2440808B1 (en) * | 2009-06-10 | 2014-06-25 | Neumayer Tekfor Holding GmbH | Method for producing a camshaft |
| CN104259629A (en) * | 2014-08-07 | 2015-01-07 | 托伦斯精密机械（上海）有限公司 | Method for welding aluminum alloy cavity |
| CN105563018A (en) * | 2015-11-11 | 2016-05-11 | 陕西一品达石化有限公司 | Machining method of DCMP aluminium alloy vacuum soldering machine case |
-
2019
- 2019-01-02 CN CN201910000548.9A patent/CN109396773A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2440808B1 (en) * | 2009-06-10 | 2014-06-25 | Neumayer Tekfor Holding GmbH | Method for producing a camshaft |
| CN102513785A (en) * | 2011-12-02 | 2012-06-27 | 国营红阳机械厂 | Processing method of thin and long aluminium alloy thin-walled cylinder |
| CN103612074A (en) * | 2013-11-26 | 2014-03-05 | 柳州六和方盛机械有限公司 | Method for machining aluminum alloy air tank |
| CN104259629A (en) * | 2014-08-07 | 2015-01-07 | 托伦斯精密机械（上海）有限公司 | Method for welding aluminum alloy cavity |
| CN105563018A (en) * | 2015-11-11 | 2016-05-11 | 陕西一品达石化有限公司 | Machining method of DCMP aluminium alloy vacuum soldering machine case |
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Application publication date: 20190301 |