JPS6075558A - Heat treatment of di can before expansion - Google Patents
Heat treatment of di can before expansionInfo
- Publication number
- JPS6075558A JPS6075558A JP58183751A JP18375183A JPS6075558A JP S6075558 A JPS6075558 A JP S6075558A JP 58183751 A JP58183751 A JP 58183751A JP 18375183 A JP18375183 A JP 18375183A JP S6075558 A JPS6075558 A JP S6075558A
- Authority
- JP
- Japan
- Prior art keywords
- hardness
- heat treatment
- before expansion
- wind speed
- processing
- 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.)
- Granted
Links
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
本発明はエキスバンド加工前のDI罐の熱処理法に関す
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for heat treating DI cans before expanding.
エキスバンド加工前のDI罐は絞りしごき加工によって
薄肉となった端側壁部の硬度が高くなり、そのままでは
エキスノぞンP加工するのが困離なため、端側壁部の硬
度を低下させエヤスパント加工が容易になるように熱処
理をする必要がある。The hardness of the thinner end side walls of the DI can before expansion band processing increases due to the drawing and ironing process, and it is difficult to apply the expansion process as it is, so the hardness of the end side walls is reduced and the hardness of the end side walls is reduced. It is necessary to perform heat treatment to make it easier.
本発明は比較的高温の熱風を高風速に且つ短時間供給す
ることにより罐底部の硬度低下率を端側薄肉部より小な
らしめることにより罐全体の耐圧強度に調和を賦与せし
めたものである。The present invention harmonizes the pressure resistance strength of the entire can by supplying relatively high-temperature hot air at high wind speed for a short period of time, thereby making the hardness reduction rate at the bottom of the can smaller than that at the thin walled end portions. .
即ち本発明は、絞りしごき加工の終ったDI罐に対しエ
キスバンド加工を施す前に、端側薄肉部の硬度が70〜
85Hvの範囲を確保し罐底部の硬度低減率が核部より
少なく罐全体の耐圧強度に調和を賦与すべく風速15〜
40m/秒、処理源F!t350〜400c1処理時間
15〜10秒ノ高風速短時間熱処理を行うことを特徴と
するエキスバンド加工前のDI罐の熱処理法である。That is, in the present invention, the hardness of the thin wall portion on the end side is set to 70 to 70 before applying the expanding process to the DI can after drawing and ironing process.
In order to ensure a range of 85Hv and to ensure that the hardness reduction rate at the bottom of the can is lower than that at the core, the wind speed is set at 15 to 15Hv to balance the pressure resistance of the entire can.
40m/sec, processing source F! This is a heat treatment method for a DI can before expanding processing, which is characterized by performing short-time heat treatment at high wind speed for t350-400c1 treatment time 15-10 seconds.
本発明を実施例に基いて更に説明する。The present invention will be further explained based on Examples.
第1表は本発明処理温度で風速及び処理時間を本発明の
範囲内と範囲外の参考例とで表示したものである。Table 1 shows the wind speed and processing time at the processing temperature of the present invention for reference examples within and outside the range of the present invention.
第 1 表
第1表に於て、本発明例と参考例とでは、熱処理温度は
共に370℃で同一であるが、本発明では風速が30m
/秒と速く、処理時間は10秒と短かいのに参考例では
風速が1.5 m 7秒と遅くその代り処理時間は80
秒と長い。この場合、しごき加工後の端側壁厚0.21
闘では本発明で処理前硬度105Hvが処理後71 H
vとなり硬度低減率が32.3%であり、参考例で処理
後701−1vとなり硬度低減率は33.3%と大差な
いのに対し、元板厚の罐底壁厚0.50 msでは本発
明で処理前。Table 1 In Table 1, the heat treatment temperature is the same at 370°C for both the present invention example and the reference example, but in the present invention, the wind speed is 30 m
/second, and the processing time is short at 10 seconds, but in the reference example, the wind speed is slow at 1.5 m 7 seconds, but the processing time is 80 seconds.
Seconds and long. In this case, the end side wall thickness after ironing is 0.21
In the present invention, the hardness before treatment was 105Hv and after treatment it was 71Hv.
v, and the hardness reduction rate is 32.3%, and in the reference example, it becomes 701-1v after treatment, and the hardness reduction rate is not much different from 33.3%, whereas with the can bottom wall thickness of 0.50 ms, which is the original board thickness. Before treatment with the present invention.
硬度90 HVが処理後86Hvとなり硬度低減率は4
.4%に過ぎないのに参考例では処理後801−IVと
なり硬度低減率は11.1%と大巾になる点に於て大差
がある。即ち、処理温度350〜400℃に於て焼鈍熱
処理を行う場合に、本発明が15〜40m/秒の高風速
と15〜10秒の短時間とを組合せて行うことは、参考
例の1.5 m 7秒の低風速と80秒の長時間とを組
合せて行う場合に較らべて端側壁に対しては硬度低減率
に於て大差がなく、元板厚の罐底壁に対しては硬度低減
率に大差があるという特殊な性能の発見に基くものであ
って、これによって絞りしごき加工後の罐ハ(4壁を所
望通りに焼鈍し然かも元板厚の罐底壁に対しては殆んど
硬度を低下させないという独特の熱処理を施すことを得
るのである。Hardness 90HV becomes 86Hv after treatment, hardness reduction rate is 4
.. There is a large difference in that the hardness reduction rate is only 4%, but in the reference example, the hardness reduction rate becomes 801-IV after treatment, and the hardness reduction rate is 11.1%. That is, when annealing heat treatment is performed at a treatment temperature of 350 to 400° C., the present invention combines a high wind speed of 15 to 40 m/sec and a short time of 15 to 10 seconds, as described in Reference Example 1. There is no significant difference in the hardness reduction rate for the end side walls compared to the case of combining a low wind speed of 5 m for 7 seconds and a long time of 80 seconds, and there is no significant difference in the hardness reduction rate for the can bottom wall of the original thickness. This is based on the discovery of a special performance in that there is a large difference in the hardness reduction rate. This makes it possible to perform a unique heat treatment that hardly reduces the hardness.
Claims (2)
ド加工を施す前に、端側薄肉部の硬度が70〜85Hv
(ビッカース硬度)の範囲を確保し罐底部の硬度低減率
が核部より少なく罐全体の耐圧強度に調和を賦与すべく
風速15〜40m/秒、処理温度350〜400℃、処
理時間15〜10秒の高風速短時間熱処理を行うことを
特徴とするエキスバンド加工前のDI罐の熱処理法。(1) Before applying the expansion process to the DI can that has been drawn and ironed, the hardness of the thin wall part on the end side should be 70 to 85Hv.
(Vickers hardness), and in order to ensure that the hardness reduction rate at the bottom of the can is lower than that at the core, and to harmonize the pressure resistance of the entire can, the wind speed is 15 to 40 m/s, the processing temperature is 350 to 400°C, and the processing time is 15 to 10 m/s. A heat treatment method for DI cans before expansion processing, which is characterized by performing heat treatment for a short time at a high wind speed of seconds.
する合金材よりなるエキスノぞンド加工前のDI罐に対
して施す 特許請求の 範囲第1項記載の熱処理法。(2) The heat treatment method according to claim 1, which is applied to a DI can that is made of an aluminum-based alloy material that can be drawn and ironed and is not subjected to extraction processing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58183751A JPS6075558A (en) | 1983-10-01 | 1983-10-01 | Heat treatment of di can before expansion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58183751A JPS6075558A (en) | 1983-10-01 | 1983-10-01 | Heat treatment of di can before expansion |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6075558A true JPS6075558A (en) | 1985-04-27 |
JPH0373618B2 JPH0373618B2 (en) | 1991-11-22 |
Family
ID=16141334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58183751A Granted JPS6075558A (en) | 1983-10-01 | 1983-10-01 | Heat treatment of di can before expansion |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6075558A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0993056A1 (en) * | 1998-10-08 | 2000-04-12 | Rayovac Corporation | Electrochemicals cells, components thereof and method of manufacturing them |
JP2008094227A (en) * | 2006-10-11 | 2008-04-24 | Aisin Seiki Co Ltd | Vehicular seat reclining device |
JP2018520008A (en) * | 2015-07-06 | 2018-07-26 | ノベリス・インコーポレイテッドNovelis Inc. | Process for producing large aluminum bottles and aluminum bottles produced thereby |
-
1983
- 1983-10-01 JP JP58183751A patent/JPS6075558A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0993056A1 (en) * | 1998-10-08 | 2000-04-12 | Rayovac Corporation | Electrochemicals cells, components thereof and method of manufacturing them |
JP2008094227A (en) * | 2006-10-11 | 2008-04-24 | Aisin Seiki Co Ltd | Vehicular seat reclining device |
JP2018520008A (en) * | 2015-07-06 | 2018-07-26 | ノベリス・インコーポレイテッドNovelis Inc. | Process for producing large aluminum bottles and aluminum bottles produced thereby |
Also Published As
Publication number | Publication date |
---|---|
JPH0373618B2 (en) | 1991-11-22 |
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