CN101318217A - Box body - Google Patents
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- Publication number
- CN101318217A CN101318217A CNA2007100234076A CN200710023407A CN101318217A CN 101318217 A CN101318217 A CN 101318217A CN A2007100234076 A CNA2007100234076 A CN A2007100234076A CN 200710023407 A CN200710023407 A CN 200710023407A CN 101318217 A CN101318217 A CN 101318217A
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- CN
- China
- Prior art keywords
- product
- mould
- inner chamber
- improve
- mode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims description 5
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 238000007528 sand casting Methods 0.000 claims description 3
- 239000012527 feed solution Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 3
- 238000012797 qualification Methods 0.000 abstract description 2
- 238000010923 batch production Methods 0.000 abstract 1
- 230000008520 organization Effects 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 238000004512 die casting Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
A frame with internal flange mouth and its manufacturing process, in order to improve the organization structure, solve the low cost, high qualification rate, product and technological process with little work load, the invention uses the aluminum alloy as the product material, replace the multiple processing procedure by improving the shaping degree of the mould, finish combining a small amount of subsequent processing, in this way can improve the performance of the product, reduce the technological difficulty, reduce the work load, solve the bottleneck problem of the batch production.
Description
Technical field
The present invention relates to a kind of casing, especially with the casing and the manufacturing process thereof of inner flange mouth.
Background technology
Such casing that is assemblied on certain important equipment all is that wall is thin, rectangular body at present, in the flange port frame structure is arranged, restrict harsh requirement in environment for use, can not rely on and improve wall thickness and enhance product performance, owing to there is the inner flange mouth, can't adopt conventional die casting mode simultaneously.In research and production for many years, all adopt be the magnesium alloy sand casting in conjunction with machine-tooled method, its shortcoming is that production process control is complicated, allowance is big, production cycle is long, the finished product cooperative rate is low, and according to industry statistic, yield rate is at 35%-55%, not only make waste of material serious, outside the production cost height, have a strong impact on delivery date simultaneously, become such industry technology and production bottleneck; And the cost of material is also high, easy firing in the production process.At process aspect is to adopt casting and following process to finish, and overall structures is that wall is thin, rectangular body, inner flange mouth frame structure, and the size distortion after processing like this is bigger, and the finished size instability causes workload big, and production efficiency is extremely low.
Summary of the invention
For this reason, we need design low cost of manufacture, and the flame resistant performance is good, yield rate height, product that the machined workload is little and technological process.
The present invention adopts aluminium alloy as product material, replaces sand casting, multi-step process by improving the mould molding degree, does not finish in conjunction with a small amount of following process.Aluminum alloy materials is lower than magnesium alloy materials cost, and the flame resistant performance is good, can satisfy requirements such as harsh temperatures, fusing point.We adopt the high die casting mode of moulding degree to reduce dependence to following process at process aspect, so just can improve the qualification rate of product, can reduce workload simultaneously.
Adopt aluminium alloy as product material, can enhance product performance, and moulding technology can reduce workload, improve product percent of pass.
The specific embodiment
At design aspect, we have adopted the A380 aluminium alloy to replace magnesium alloy materials, have designed the aluminum alloy die-casting technological rules, and procedure parameter is developed, and have determined the technological feasibility of the employing new material of product.
In the concrete manufacture process, we can adopt following design:
One, special die casting and casting technique.
We improve properties of product by design novel die realization die casting new technology, adopt following scheme:
Because there is the inner flange mouth in internal orifice and does not have pattern draft, can't realize that for this reason, we are designed to split formula structure with inner chamber by the extrusion process of the normal demoulding, inner chamber adopts and pushes away the topping plate, and the inner chamber mould is divided into two.Move back the mould mode by loosing core earlier, solve the technological difficulties of this extrusion process of inner flange.
Feed solutions adopts trumpet assembly, multiple feed all around.This mode can solve the flowability of improving molten metal, and the technological difficulties of the difficult moulding of implementation framework thin-wall product keep the cooling velocity unanimity of product in addition, have guaranteed that organizing of product is more even, have reduced the die casting thermal stress deformation.
Two, a spot of process for machining
At the characteristics of box frame structure machined easy deformation, in the design process, we have adopted the little machining allowance of trying one's best, process for machining rules and frock clamp reasonable in design, thereby the distortion of avoiding machined to cause influences the finished product accuracy of casing, satisfies matching requirements.
Claims (4)
1. casing and manufacturing process thereof with an inner flange mouth, it is characterized in that adopting aluminium alloy as product material, replace original magnesium alloy materials, replace multiple tracks, the big surplus manufacturing procedure that the sand casting mode forms, finish in conjunction with a spot of following process by improving the mould molding degree.
2. according to claim 1, it is characterized in that the inner chamber employing pushes away the topping plate, with the mode demoulding successively of loosing core.
3. according to claim 1, it is characterized in that the inner chamber mould is divided into two block structures.
4. according to claim 1, it is characterized in that feed solutions is to adopt trumpet assembly, multipoint mode charging all around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100234076A CN101318217A (en) | 2007-06-04 | 2007-06-04 | Box body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100234076A CN101318217A (en) | 2007-06-04 | 2007-06-04 | Box body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101318217A true CN101318217A (en) | 2008-12-10 |
Family
ID=40178629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100234076A Pending CN101318217A (en) | 2007-06-04 | 2007-06-04 | Box body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101318217A (en) |
-
2007
- 2007-06-04 CN CNA2007100234076A patent/CN101318217A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081210 |