CN105666048A - Aluminum alloy shell body with long-thin-deep blind hole and manufacturing method thereof - Google Patents
Aluminum alloy shell body with long-thin-deep blind hole and manufacturing method thereof Download PDFInfo
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- CN105666048A CN105666048A CN201510591833.4A CN201510591833A CN105666048A CN 105666048 A CN105666048 A CN 105666048A CN 201510591833 A CN201510591833 A CN 201510591833A CN 105666048 A CN105666048 A CN 105666048A
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- Prior art keywords
- blind hole
- blank
- alloy casing
- elongated
- hole
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses an aluminum alloy shell body with a long-thin-deep blind hole and a manufacturing method thereof. The manufacturing method comprises the steps that a, a blank is made of a bar through cutting; b, the blank is heated; c, the heated blank is subjected to hot upsetting; d, the blank piece subjected to hot upsetting is reheated; e, the reheated blank piece is subjected to hot backward extrusion punching to form an aluminum alloy shell body forming part with the long-thin-deep blind hole; f, finish turning machining is conducted on the forming part subjected to hot backward extrusion punching; and g, the aluminum alloy shell body with the long-thin-deep blind hole is drilled after being machined through finish turning. The blank is made of the round bar and subjected to blanking, upsetting blank heating, hot backward extrusion punching, finish turning machining and drilling, and thus the aluminum alloy shell body with the long-thin-deep blind hole is obtained; a large number of raw materials are reduced, and the production efficiency and the product quality are improved. The aluminum alloy shell body with the long-thin-deep blind hole is produced through the manufacturing method, accordingly, the material utilization rate is increased by 1.5 times or above, the production efficiency is improved by 6 times or above, and the production cost is reduced by 50% or above.
Description
Technical field
The present invention relates to field of machining, there is in particular to one elongated dark blind hole Al-alloy casing and manufacture method thereof.
Background technology
At present, the working method with elongated dark blind hole Al-alloy casing is round bar+boring+rough turn processing+essence Vehicle Processing+boring. High material consumption, the working (machining) efficiency of the rough turn and smart Vehicle Processing of round bar are extremely low; The interior tapering that easily produces of the elongated blind hole with elongated dark blind hole Al-alloy casing adopting aforesaid method to produce causes poor product quality, and the difficulty of processing of elongated blind hole is big. Therefore this working method also exists the problems such as material use efficiency is low, production efficiency is low, production cost height.
Summary of the invention
For above-mentioned deficiency, it is an object of the present invention to provide a kind of manufacture method with elongated dark blind hole Al-alloy casing, can effectively improve material use efficiency, improve production efficiency and reduce production cost.
For achieving the above object, a kind of manufacture method with elongated dark blind hole Al-alloy casing provided by the present invention, the method comprises the following steps:
A, by cutting mode, bar is made blank;
B, described blank is heated;
C, to heating after blank carry out hot upsetting;
D, the blank after hot upsetting is reheated;
E, the blank reheated carried out hot reverse extrusion punching formed described in there is elongated dark blind hole Al-alloy casing shaping part;
F, to have described in the formation through overheated reverse extrusion punching elongated dark blind hole Al-alloy casing shaping part carry out essence Vehicle Processing;
G, to through essence Vehicle Processing after the elongated dark blind hole Al-alloy casing that has hole.
As a modification of the present invention, blank is heated by described step b, and its Heating temperature is 420 DEG C ± 10 DEG C; Then being incubated by described blank, soaking time is 60 minutes.
As a modification of the present invention, hot upsetting blank is reheated by described steps d, and its Heating temperature is 420 DEG C ± 10 DEG C; Then being incubated by described blank, soaking time is 60 minutes.
As a modification of the present invention, Al-alloy casing shaping part through overheated reverse extrusion punching is carried out essence Vehicle Processing by step f,, to be 40mm, little outside diameter the be 24mm of the big outside diameter after essence Vehicle Processing, big end length to be 6.5mm, little end hole diameter be 10mm, little bottom thick for 2.5mm, overall length be 140mm.
As a modification of the present invention, being holed by the elongated dark blind hole Al-alloy casing that has after essence Vehicle Processing in step g, aperture is 6.5mm, number of holing is 48.
For achieving the above object, the present invention also provides one to have elongated dark blind hole Al-alloy casing, it is characterized in that, comprise body, body interior has offered elongated blind hole, and this elongated blind hole depth is 137.5mm, and the diameter of elongated blind hole is 19mm, described body is offered multiple through hole, and the aperture of through hole is 6.5mm.
As a modification of the present invention, the length of described body is 140mm, and the diameter of body is that 24mm body upper edge is convexly equipped with flange, and its diameter is 40mm, and length is 6.5mm, has offered circular hole bottom body, and Circularhole diameter is 10mm.
As a modification of the present invention, described through hole is distributed on described body uniformly.
As a modification of the present invention, described body is offered 48 through holes.
The useful effect of the present invention is: in a kind of manufacture method with elongated dark blind hole Al-alloy casing of the present invention, described blank adopts the supply state round bar of simple shape through blanking, heating upsetting base, hot reverse extrusion punching, essence Vehicle Processing and boring, acquisition has elongated dark blind hole Al-alloy casing, saves a large amount of starting material, improves production efficiency, improves quality product. The present invention adopts aforesaid method production to have elongated dark blind hole Al-alloy casing, and material use efficiency improves more than 1.5 times, and production efficiency improves more than 6 times, and production cost reduces more than 50%.
Below in conjunction with accompanying drawing and embodiment, the present invention is further described.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention with embodiment one below, but is not construed as limiting the invention. In the accompanying drawings:
Fig. 1 be a kind of manufacture method with elongated dark blind hole Al-alloy casing of the present invention produce there is elongated dark blind hole Al-alloy casing sectional view.
In figure, each description of reference numerals is as follows.
Body 1, circular hole 11, elongated blind hole 2, through hole 3, flange 4.
Embodiment
By technology contents, the structural attitude of the present invention being described in detail, is realized object and effect, below in conjunction with enforcement mode and coordinate accompanying drawing to be explained in detail.
A manufacture method with elongated dark blind hole Al-alloy casing, the method comprises the following steps:
A, by cutting mode, bar is made blank;
B, described blank is heated;
C, to heating after blank carry out hot upsetting;
D, the blank after hot upsetting is reheated;
E, the hot upsetting blank reheated carried out hot reverse extrusion punching formed described in there is elongated dark blind hole Al-alloy casing shaping part;
F, to have described in the formation through overheated reverse extrusion punching elongated dark blind hole Al-alloy casing shaping part carry out essence Vehicle Processing;
G, to through essence Vehicle Processing after the elongated dark blind hole Al-alloy casing that has hole.
In a kind of manufacture method with elongated dark blind hole Al-alloy casing of the present invention, described bar is cut into the blank of Ф 28 × 108mm.
In the present embodiment, being heated by the blank of described Ф 28 × 108mm in box resistance heading furnace, blank is heated by described step b, and its Heating temperature is 420 DEG C ± 10 DEG C; Then being incubated by described blank, soaking time is 60 minutes.
Hot upsetting blank is reheated by described steps d, and its Heating temperature is 420 DEG C ± 10 DEG C;Then being incubated by described blank, soaking time is 60 minutes.
Al-alloy casing shaping part through overheated reverse extrusion punching is carried out essence Vehicle Processing by step f, to be 40mm, little outside diameter the be 24mm of the big outside diameter after essence Vehicle Processing, big end length to be 6.5mm, little end hole diameter be 10mm, little bottom thick for 2.5mm, overall length be 140mm.
Being holed by the elongated dark blind hole Al-alloy casing that has after essence Vehicle Processing in step g, aperture is 6.5mm, number of holing is 48.
Referring to Fig. 1, one has elongated dark blind hole Al-alloy casing and comprises body 1, and elongated blind hole 2 has been offered in body 1 inside, this elongated blind hole 2 degree of depth is 137.5mm, the diameter of elongated blind hole 2 is 19mm, and described body 1 has been offered multiple through hole 3, and the aperture of through hole 3 is 6.5mm.
In the present embodiment, the length of described body 1 is 140mm, and the diameter of body 1 is 24mm, and body 1 upper edge is convexly equipped with flange 4, and its diameter is 40mm, and length is 6.5mm, has offered circular hole 11 bottom body 1, and circular hole 11 diameter is 10mm.
In the present embodiment, described through hole 3 is distributed on described body 1 uniformly.
In sum, in a kind of manufacture method with elongated dark blind hole Al-alloy casing of the present invention, described blank adopts the supply state round bar of simple shape through blanking, heating upsetting base, hot reverse extrusion punching, essence Vehicle Processing and boring, acquisition has elongated dark blind hole Al-alloy casing, saves a large amount of starting material, improves production efficiency, improves quality product. The present invention adopts aforesaid method production to have elongated dark blind hole Al-alloy casing, and material use efficiency improves more than 1.5 times, and production efficiency improves more than 6 times, and production cost reduces more than 50%.
The announcement of book and instruction according to the above description, above-mentioned enforcement mode can also be changed and revise by those skilled in the art in the invention. Therefore, it is intended that the invention not be limited to embodiment disclosed and described above, some modifications and changes of the present invention also should be fallen in the protection domain of claim of the present invention. In addition, although employing some specific terms in this specification sheets, but these terms are just for convenience of description, the present invention does not form any restriction, adopts other device same or similar with it, all in protection domain of the present invention.
Claims (9)
1. one kind has the manufacture method of elongated dark blind hole Al-alloy casing, it is characterised in that, the method comprises the following steps:
A, by cutting mode, bar is made blank;
B, described blank is heated;
C, to heating after blank carry out hot upsetting;
D, the blank after hot upsetting is reheated;
E, the blank reheated carried out hot reverse extrusion punching formed described in there is elongated dark blind hole Al-alloy casing shaping part;
F, to have described in the formation through overheated reverse extrusion punching elongated dark blind hole Al-alloy casing shaping part carry out essence Vehicle Processing;
G, to through essence Vehicle Processing after the elongated dark blind hole Al-alloy casing that has hole.
2. a kind of manufacture method with elongated dark blind hole Al-alloy casing as claimed in claim 1, it is characterised in that, blank is heated by described step b, and its Heating temperature is 420 DEG C ± 10 DEG C; Then being incubated by described blank, soaking time is 60 minutes.
3. a kind of manufacture method with elongated dark blind hole Al-alloy casing as claimed in claim 1, it is characterised in that, hot upsetting blank is reheated by described steps d, and its Heating temperature is 420 DEG C ± 10 DEG C;Then being incubated by described blank, soaking time is 60 minutes.
4. a kind of manufacture method with elongated dark blind hole Al-alloy casing as claimed in claim 1, it is characterized in that, Al-alloy casing shaping part through overheated reverse extrusion punching is carried out essence Vehicle Processing by step f,, to be 40mm, little outside diameter the be 24mm of the big outside diameter after essence Vehicle Processing, big end length to be 6.5mm, little end hole diameter be 10mm, little bottom thick for 2.5mm, overall length be 140mm.
5. a kind of manufacture method with elongated dark blind hole Al-alloy casing as claimed in claim 1, it is characterised in that, the elongated dark blind hole Al-alloy casing that has after essence Vehicle Processing to be holed by step g, aperture is 6.5mm, boring number is 48.
6. one kind has elongated dark blind hole Al-alloy casing, it is characterized in that, comprise body (1), elongated blind hole (2) has been offered in body (1) inside, this elongated blind hole (2) degree of depth is 137.5mm, the diameter of elongated blind hole (2) is 19mm, and described body (1) has been offered multiple through hole (3), and the aperture of through hole (3) is 6.5mm.
7. there is elongated dark blind hole Al-alloy casing as claimed in claim 6, it is characterized in that: the length of described body (1) is 140mm, the diameter of body (1) is 24mm, body (1) upper edge is convexly equipped with flange (4), its diameter is 40mm, length is 6.5mm, and circular hole (11) has been offered in body (1) bottom, and circular hole (11) diameter is 10mm.
8. there is elongated dark blind hole Al-alloy casing as claimed in claim 6, it is characterised in that, described through hole (3) is distributed on described body (1) uniformly.
9. there is elongated dark blind hole Al-alloy casing as claimed in claim 6, it is characterised in that, described body (1) has been offered 48 through holes (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510591833.4A CN105666048A (en) | 2015-09-17 | 2015-09-17 | Aluminum alloy shell body with long-thin-deep blind hole and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510591833.4A CN105666048A (en) | 2015-09-17 | 2015-09-17 | Aluminum alloy shell body with long-thin-deep blind hole and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN105666048A true CN105666048A (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510591833.4A Pending CN105666048A (en) | 2015-09-17 | 2015-09-17 | Aluminum alloy shell body with long-thin-deep blind hole and manufacturing method thereof |
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| CN (1) | CN105666048A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855448A (en) * | 2017-10-27 | 2018-03-30 | 广东长盈精密技术有限公司 | The manufacture method of Al-alloy casing |
| CN112264565A (en) * | 2020-06-09 | 2021-01-26 | 无锡派克新材料科技股份有限公司 | Manufacturing method of high-performance aluminum alloy cylindrical forging for spaceflight |
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| WO1991004110A1 (en) * | 1989-09-18 | 1991-04-04 | Alcan International Limited | Metal extrusion |
| CN101396697A (en) * | 2008-10-31 | 2009-04-01 | 长安汽车（集团）有限责任公司 | High strength aluminum alloy quincunx deep blind hole piece extrusion molding technique |
| CN102179683A (en) * | 2011-04-26 | 2011-09-14 | 张家港海陆环形锻件有限公司 | Manufacturing process for cylindrical blank of annular element |
| CN102430694A (en) * | 2011-11-15 | 2012-05-02 | 洛阳秦汉冷锻有限公司 | Extruding process of aluminum alloy air cylinder blank |
| WO2013098771A1 (en) * | 2011-12-30 | 2013-07-04 | Kalyani Babasaheb Neelkanth | A method for manufacturing hollow shafts |
| CN103567763A (en) * | 2013-10-31 | 2014-02-12 | 中北大学 | Large long cone-shaped horn cylinder part extruding forming method |
| CN104014996A (en) * | 2014-06-03 | 2014-09-03 | 重庆东轻铝合金锻造有限公司 | Aluminum alloy annular blank manufacturing method and backward extruding die |
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2015
- 2015-09-17 CN CN201510591833.4A patent/CN105666048A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991004110A1 (en) * | 1989-09-18 | 1991-04-04 | Alcan International Limited | Metal extrusion |
| CN101396697A (en) * | 2008-10-31 | 2009-04-01 | 长安汽车（集团）有限责任公司 | High strength aluminum alloy quincunx deep blind hole piece extrusion molding technique |
| CN102179683A (en) * | 2011-04-26 | 2011-09-14 | 张家港海陆环形锻件有限公司 | Manufacturing process for cylindrical blank of annular element |
| CN102430694A (en) * | 2011-11-15 | 2012-05-02 | 洛阳秦汉冷锻有限公司 | Extruding process of aluminum alloy air cylinder blank |
| WO2013098771A1 (en) * | 2011-12-30 | 2013-07-04 | Kalyani Babasaheb Neelkanth | A method for manufacturing hollow shafts |
| CN103567763A (en) * | 2013-10-31 | 2014-02-12 | 中北大学 | Large long cone-shaped horn cylinder part extruding forming method |
| CN104014996A (en) * | 2014-06-03 | 2014-09-03 | 重庆东轻铝合金锻造有限公司 | Aluminum alloy annular blank manufacturing method and backward extruding die |
Non-Patent Citations (1)
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| 刘静安 等: "《铝合金锻造技术》", 30 June 2012 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855448A (en) * | 2017-10-27 | 2018-03-30 | 广东长盈精密技术有限公司 | The manufacture method of Al-alloy casing |
| CN112264565A (en) * | 2020-06-09 | 2021-01-26 | 无锡派克新材料科技股份有限公司 | Manufacturing method of high-performance aluminum alloy cylindrical forging for spaceflight |
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