JPH04167944A - Swage autofrettage method for thick cylindrical body - Google Patents
Swage autofrettage method for thick cylindrical bodyInfo
- Publication number
- JPH04167944A JPH04167944A JP29510690A JP29510690A JPH04167944A JP H04167944 A JPH04167944 A JP H04167944A JP 29510690 A JP29510690 A JP 29510690A JP 29510690 A JP29510690 A JP 29510690A JP H04167944 A JPH04167944 A JP H04167944A
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical body
- thick
- thick cylindrical
- press
- tapered
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 238000007747 plating Methods 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000007423 decrease Effects 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 102100034176 Glutathione-specific gamma-glutamylcyclotransferase 1 Human genes 0.000 description 1
- 101710175495 Glutathione-specific gamma-glutamylcyclotransferase 1 Proteins 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 for example Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、厚肉円筒体のスェージング自緊方法に関する
。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a self-swaging method for thick-walled cylindrical bodies.
［従来の技術及びその課題］
金属製の厚肉円筒体の内部空間に、圧縮残留応力を付与
する自緊方法としては、従来、水圧を作用させる方法が
知られている。この方法：よ、 ３部を閉塞した厚肉円
筒体の他端部から水圧による内圧を加え、厚肉円筒体の
内表面近傍に圧縮残留応力を付与して自緊を施していた
。[Prior Art and its Problems] A method of applying water pressure is conventionally known as a self-straining method for applying compressive residual stress to the internal space of a thick-walled metal cylinder. This method: Internal pressure by water pressure was applied from the other end of a thick-walled cylinder with three parts closed, and compressive residual stress was applied near the inner surface of the thick-walled cylinder to apply self-straining.
しかしながら、このような従来の厚肉円筒体の自緊方法
にあっては、厚内円筒体に水封のだめのソール部が付属
され、高圧にてこのソール部が膨れて水漏れを生しるよ
う乙こなるため、加えられる内圧に限度があり、高強度
材料への自緊、商度の自緊等が不可能である。However, in such conventional self-tightening methods for thick-walled cylindrical bodies, a sole part for water sealing is attached to the thick-walled cylindrical body, and this sole part swells under high pressure, causing water leakage. Because of this, there is a limit to the internal pressure that can be applied, making it impossible to apply self-pressure to high-strength materials or commercial self-pressure.
〔課題を解決するだめの手段：
本発明は、このような従来の技術的課題に鑑みてなされ
たものであり、その構成は、内部空間に鉛メッキを施し
た金属製の厚内円筒体と、クロームメッキを施したテー
パ部を備える圧入部材とを用い、該内部空間に該圧入部
材のテーパ部をプレス装置によって圧入移動させ、厚肉
円筒体の内外径を押し拡げると共に、内表面近傍に高い
圧縮残留応力を付与する厚肉円筒体のスェージング自緊
方法である。[Means for solving the problem: The present invention has been made in view of the above-mentioned conventional technical problems, and is composed of a thick inner cylindrical body made of metal whose internal space is lead-plated. The taper part of the press-fit member is press-fitted into the internal space by a press device, and the inner and outer diameters of the thick-walled cylindrical body are expanded, and the inner and outer diameters of the thick-walled cylindrical body are expanded. This is a self-swaging method for thick-walled cylinders that imparts high compressive residual stress.
〔作用］
このような厚肉円筒体のスエーノング自緊方法によれば
、圧入部材を厚肉円筒体の内部空間に圧入し、スェージ
ング自緊を付与する。すなわち、プレス装置のヘッド上
に載置した厚肉円筒体の内部空間に圧入部材をプレス装
置によって押し込み、又は引き抜いて圧入移動させる。[Operation] According to such a swaging self-tightening method for a thick-walled cylindrical body, a press-fitting member is press-fitted into the internal space of the thick-walled cylindrical body, and swaging self-tightening is applied. That is, the press-fitting member is pushed or pulled out into the internal space of the thick-walled cylindrical body placed on the head of the press device, and the press-fit member is press-fitted and moved.
これにより、圧入部材のテーパ部が厚肉円筒体の内部空
間を移動し、厚肉円筒体の内外径が押し拡げられてスェ
ージング自緊が施され、内表面近傍に高い周方向圧縮残
留応力（最大値で５０Ｋｇｆ／ｍＣ以上）を付与するこ
とができる。クロームメッキを施した圧入部材のテーパ
部は、厚肉円筒体の鉛メッキを施した部分に圧入される
ので、良好な潤滑性を有し、比較的小さなプレス力によ
って圧入部材を焼付きを生しさせることなく厚肉円筒体
内を移動させることができる。As a result, the tapered part of the press-fitting member moves in the internal space of the thick-walled cylinder, the inner and outer diameters of the thick-walled cylinder are expanded, and swaging self-tightening is applied, resulting in high circumferential compressive residual stress ( Maximum value of 50Kgf/mC or more) can be applied. The tapered part of the chrome-plated press-fit member is press-fit into the lead-plated part of the thick-walled cylindrical body, so it has good lubricity, and a relatively small pressing force prevents the press-fit member from seizing. It can be moved inside the thick-walled cylindrical body without causing any damage.
このようＱこして自緊を付与した厚肉円筒体は、自緊が
付与されていない部分を切断し、例えば圧力容器の材料
として使用される。自緊が付与された１７肉円筒体：よ
、内表面近傍に高い圧縮残留応力が付与されている１こ
め、疲労寿命が延びる。圧入部材のテーパ部の中心軸線
方向長さ又は傾斜角度を増大させて、テーパ部の最大径
を大きくすれば、より高い自緊率を付与して厚肉円筒体
の強度を更に上昇させることができる。The thick-walled cylindrical body which has been subjected to self-tightening in this way is cut off at the portion where self-tightening is not applied, and is used as a material for, for example, a pressure vessel. 17-wall cylindrical body with self-tensioning: High compressive residual stress is applied near the inner surface, which extends fatigue life. By increasing the central axis direction length or inclination angle of the tapered part of the press-fitting member and increasing the maximum diameter of the tapered part, it is possible to provide a higher self-tightening factor and further increase the strength of the thick-walled cylindrical body. can.
〔実施例］・
以下、本発明の実施例についてＶ面を参照して説明する
。[Example] - Hereinafter, an example of the present invention will be described with reference to the V side.
第２図には、自緊を施す金属製の厚肉円筒体を示す。厚
肉円筒体１は、金属製例えば低合金鋼製であり、筒状本
体１ａの一端部にフランジ部１ｂが形成されている。厚
肉円筒体１の内部空間ＩＣは、中心軸線方向に長さＬｌ
を有し、一端側の大径部１ｄと他端側の小径部１ｅと、
大径部１ｄと小径部１ｅとを接続するように機械加工さ
れたテーパ部１ｆとからなっている。テーパ部１［は、
第３図に詳示するように１． ５度程度の傾斜面を形成
し、一端に向けて次第に拡径している。このような厚肉
円筒体１において、少なくとも小径部１ｅは、内面の粗
さを０．８３に形成し、その後潤滑性を与える目的で鉛
メッキを厚さ２０μｍにて施しである。FIG. 2 shows a thick-walled cylindrical body made of metal that applies self-tightening. The thick-walled cylindrical body 1 is made of metal, for example, low-alloy steel, and has a flange portion 1b formed at one end of the cylindrical body 1a. The internal space IC of the thick-walled cylindrical body 1 has a length Ll in the central axis direction.
It has a large diameter part 1d on one end side and a small diameter part 1e on the other end side,
It consists of a tapered part 1f machined to connect the large diameter part 1d and the small diameter part 1e. Tapered portion 1 [is
As detailed in FIG. 3, 1. It forms an inclined surface of about 5 degrees, and the diameter gradually increases toward one end. In such a thick-walled cylindrical body 1, at least the small diameter portion 1e is formed to have an inner surface roughness of 0.83, and is then plated with lead to a thickness of 20 μm for the purpose of providing lubricity.
第４図にはマンドレル又はプラグからなる圧入部材２を
示は、焼入れロール材、タングステンカーバイド等の硬
質金属にて製作されている。この圧入部材２は一端側か
ら順次に縮径部２ａ、平行面部２ｂ、テーパ部２Ｃ１小
径の接続部２ｄ及び案内部２ｅを有する。縮径部２ａは
、後述するようにプレス力が作用する部分であり、厚肉
円筒体１の内部空間１ｃとの干渉を防止する目的で、−
端に向けて次第に縮径している。平行面部２ｂは、拡径
じた厚肉円筒体１の内部空間ＩＣと接触する部分で、後
記するテーパ部２ｃの中心軸線方向長さＬ２の１１５〜
１／６程度の中心軸線方向長さＬ３を有している。テー
パ部２ｃは、筒状本体ｌａを拡径させて自緊を与える部
分であり、１５変程度の傾斜角度で他端に向けて次第に
縮径し、厚肉円筒体］のテーパ部１ｆと適合する形状を
なしている。案内部２ｅは、厚肉円筒体１の小径部１ｅ
と適合する外径を有し、小径部１ｅとの干渉を防止する
ために小径とした接続部２ｄを介してテーパ部２Ｃに接
続している。このような圧入部材２において、少なくと
も平行面部２ｂ及びテーパ部２Ｃの表面粗さはＩＳに形
成し、摩擦係数の減少を目的として比較的硬いクローム
メッキを厚さ５０μｍにて施した。FIG. 4 shows a press-fitting member 2 consisting of a mandrel or a plug, which is made of hard metal such as hardened roll material or tungsten carbide. This press-fitting member 2 has a reduced diameter portion 2a, a parallel surface portion 2b, a tapered portion 2C1, a small diameter connecting portion 2d, and a guide portion 2e in order from one end side. The reduced diameter portion 2a is a portion on which pressing force acts as described later, and for the purpose of preventing interference with the internal space 1c of the thick-walled cylindrical body 1, -
The diameter gradually decreases towards the end. The parallel surface portion 2b is a portion that contacts the internal space IC of the thick-walled cylindrical body 1 whose diameter has been expanded, and is 115 to 115, which is the length L2 in the central axis direction of the tapered portion 2c, which will be described later.
It has a length L3 in the central axis direction of about 1/6. The tapered part 2c is a part that expands the diameter of the cylindrical main body la to provide self-tightening, and gradually decreases in diameter toward the other end at an inclination angle of about 15 degrees, and is compatible with the tapered part 1f of the thick-walled cylindrical body. It has a shape that The guide portion 2e is a small diameter portion 1e of the thick-walled cylindrical body 1.
It has an outer diameter compatible with the tapered part 2C, and is connected to the tapered part 2C via a connecting part 2d, which has a small diameter to prevent interference with the small diameter part 1e. In such a press-fit member 2, the surface roughness of at least the parallel surface portion 2b and the tapered portion 2C is formed to IS, and relatively hard chrome plating is applied to a thickness of 50 μm for the purpose of reducing the coefficient of friction.
第５図には押棒３を示し、厚肉円筒体ｌの内部空間ＩＣ
に遊挿可能な太さの棒状部３ａの一端に取付部３ｂが形
成されている。また、棒状部３ａの中心軸線方向の長さ
Ｌ４は、厚肉円筒体１の内部空間ＩＣの中心軸線方向の
長さＬｌよりも長く形成され、厚肉円筒体１内二ニ一端
から押し込んだ圧入部材２を他端から取り出せるように
なっている。FIG. 5 shows the push rod 3, and the internal space IC of the thick-walled cylindrical body l.
A mounting portion 3b is formed at one end of a rod-shaped portion 3a that is thick enough to be loosely inserted into. The length L4 of the rod-shaped portion 3a in the central axis direction is longer than the length Ll of the internal space IC of the thick-walled cylinder 1 in the central axis direction, and The press-fit member 2 can be taken out from the other end.
次に、このような圧入部材２及び押棒３を使用して、厚
肉円筒体１にスェージング自緊を付与する方法について
第１図を参照して説明する。第１図において４は短筒状
をなす先導コアボッチであり、プレス装置のヘッド７上
↓こ載置されている。Next, a method of imparting swaging self-tightening to the thick-walled cylindrical body 1 using such a press-fitting member 2 and push rod 3 will be described with reference to FIG. 1. In FIG. 1, numeral 4 denotes a short cylindrical leading core botch, which is placed above the head 7 of the press device.
この先導コアポンチ４の上に筒状をなすコアポンチ５を
乗せ、更にコアポンチ５の上にフランツ部材６を乗せで
ある。フランジ部材６は、短筒部６ａがコアポンチ５の
上端部外面↓こ嵌合して位置決めされている。このよう
にして組付けた先導コアポンチ４、コアポンチ５及びフ
ランツ部材６の中心軸線方向長さＬ５は、厚肉円筒体ｌ
のフランジ部１ｂを除く中心軸線方向長さＬ６よりも充
分に長く設定されている。A cylindrical core punch 5 is placed on the leading core punch 4, and a Franz member 6 is further placed on the core punch 5. The flange member 6 is positioned such that the short cylindrical portion 6a is fitted over the outer surface of the upper end of the core punch 5. The length L5 in the central axis direction of the leading core punch 4, core punch 5, and Franz member 6 assembled in this way is the length L5 of the thick-walled cylindrical body l.
It is set to be sufficiently longer than the length L6 in the central axis direction excluding the flange portion 1b.
そして、フランジ部材６の中に厚肉円筒体１を差し入れ
、フランジ部１ｂをフランジ部材６に係止させる。次い
で、厚肉円筒体１の内部空間１ｃの大径部１ｄ側から案
内部２ｅを下向きとして圧入部材２を挿入し、圧入部材
２のテーパ部２ｃを厚肉円筒体１のテーパ部１ｆＡこ係
合させる。この状態で、フランジ部材６、コアポンチ５
等の内面と厚肉円筒体１の外面との間に充分な隙間が形
成されている。Then, the thick-walled cylindrical body 1 is inserted into the flange member 6, and the flange portion 1b is locked to the flange member 6. Next, the press-fitting member 2 is inserted from the large diameter portion 1d side of the internal space 1c of the thick-walled cylindrical body 1 with the guide portion 2e facing downward, and the tapered portion 2c of the press-fitting member 2 is connected to the tapered portion 1fA of the thick-walled cylindrical body 1. Match. In this state, the flange member 6, core punch 5
A sufficient gap is formed between the inner surface of the thick-walled cylindrical body 1 and the outer surface of the thick-walled cylindrical body 1.
次に、上金敷部材８にビス９にて固設した押棒３にプレ
ス力を作用さセ、下端部が自由状態の厚肉円筒体１内に
圧入部材２を押し込乙。これにより、案内部２ｅによっ
て小径部１ｅに案内され、中心軸線を合致させた圧入部
材２が厚肉円筒体１内を移動し、厚肉円筒体１にスェー
ジング自緊が施される。すなわち、テーパ部２ｃの通過
によって厚肉円筒体１の内外径が押し拡げられ、小径部
１ｅの内表面近傍に高い周方向圧縮残留応力（最大値で
５０Ｋｇｆ／＋ｍ”以上）が付与される。クロームメッ
キを施した圧入部材２のテーパ部２ｃは、厚肉円筒体１
の鉛メッキを施した部分に圧入され、良好な潤滑性を有
するので、比較的小さなプレス力によって硬質材料から
なる圧入部材２を焼付きを生しさせることなく厚肉円筒
体１内に押し込むことができる。Next, a press force is applied to the push rod 3 fixed to the upper anvil member 8 with screws 9, and the press-fitting member 2 is pushed into the thick-walled cylindrical body 1 with the lower end free. As a result, the press-fitting member 2, which is guided by the guide portion 2e to the small diameter portion 1e and whose central axes coincide with each other, moves within the thick-walled cylinder 1, and the thick-walled cylinder 1 is subjected to self-swaging. That is, the inner and outer diameters of the thick-walled cylindrical body 1 are expanded by passing through the tapered portion 2c, and a high circumferential compressive residual stress (maximum value of 50 Kgf/+m'' or more) is applied to the vicinity of the inner surface of the small diameter portion 1e. The tapered part 2c of the chrome-plated press-fit member 2 is connected to the thick-walled cylindrical body 1.
Since it is press-fitted into the lead-plated part of the body and has good lubricity, the press-fitting member 2 made of a hard material can be pushed into the thick-walled cylindrical body 1 with a relatively small pressing force without causing seizure. I can do it.
このようにして自緊を付与した厚肉円筒体１は、自緊が
付与されていない大径部１ｄ及びテーパ部１ｆを切断し
、例えば圧力容器の材料として使用される。スェージン
グ自緊が付与された厚肉円筒体１によれば、高い圧縮残
留応力が付与されているため、疲労寿命が延びる。圧入
部材２のテーパ部２ｃの中心軸線方向長さ又は傾斜角度
を増大して、テーパ部２ｃの最大径を太き（設定ずれば
、より高い自緊率を付与して厚肉円筒体１の強度を更に
上昇させることができる。The thick-walled cylindrical body 1 to which self-tensioning has been applied in this manner is used, for example, as a material for a pressure vessel by cutting off the large diameter portion 1d and tapered portion 1f to which no self-tensioning has been applied. According to the thick-walled cylindrical body 1 to which swaging self-tensioning is applied, a high compressive residual stress is applied, so that the fatigue life is extended. By increasing the length in the central axis direction or the inclination angle of the tapered part 2c of the press-fitting member 2, the maximum diameter of the tapered part 2c can be increased (if the setting is shifted, a higher self-tensioning factor can be imparted to the thick-walled cylindrical body 1). Strength can be further increased.
なお、圧入部材２の案内部２ｅは、厚肉円筒体１の小径
部１ｅに摺接して圧入部材２のガタ付きを防止する部分
てあり、小径の接続部２ｄを介することなくテーパ部２
ｃに接続させて形成することもできる。また、上記実施
例にあっては、厚肉円筒体ｌの一端のフランジ部１ｂを
フランジ部材６に係止させ、圧入部材２に押圧力を与え
たが、圧入部材２に図外の引棒を介して引き力を与えて
厚肉円筒体ｌにスェージング自緊を付与することも可能
であり、更には厚肉円筒体ｌの他端を短筒部材によって
支持し、圧入部材２に押圧力又は引き力を与えることも
可能である。The guide portion 2e of the press-fitting member 2 is a portion that slides into small-diameter portion 1e of the thick-walled cylindrical body 1 to prevent the press-fitting member 2 from wobbling.
It can also be formed by connecting it to c. Further, in the above embodiment, the flange portion 1b at one end of the thick-walled cylindrical body l was engaged with the flange member 6, and a pressing force was applied to the press-fit member 2. It is also possible to apply a pulling force to the thick-walled cylindrical body l to apply a swaging self-tightening force to the thick-walled cylindrical body l.Furthermore, the other end of the thick-walled cylindrical body l is supported by a short cylindrical member, and a pressing force is applied to the press-fitting member 2. Alternatively, it is also possible to apply a pulling force.
［発明の効果］
以上の説明によって理解されるように、本発明によれば
、水圧を作用さゼる自緊方法と比較して、金属製の厚肉
円筒体に高い自緊率を確実に付与することができる。[Effects of the Invention] As understood from the above explanation, according to the present invention, a high self-pressure rate can be reliably achieved in a thick metal cylindrical body compared to a self-pressure method that applies water pressure. can be granted.
第１〜５回は本発明の１実施例を示し、第１図は自緊付
与工程を示す断面図、第２Ｖは厚肉円筒体を示す断面図
、第３図：よ厚肉円筒体のテーパ部を示す断面図、第４
図は圧入部材を示す図、第５図は押棒を示す図である。
１、厚肉円筒体、ｌａ 筒状本体、１ｂ、フランツ部
、ｌｃ：内部空間、Ｉｄ・大径部、ｌｅ・小径部、１ｆ
・テーパ部、２・圧入部材、２ａ。
縮径部、２ｂ：平行曲部、２ｃ：；−パ部、２ｄ・接続
部、２ｅ：案内部、３ 押棒、３δ 棒状部、４ 先導
コアポンチ、５ コアポンチ、６：２９２７７部材、
７ 、 ＜７ノド。
代理人 弁理士 前 １）宏 之
第１図
第２図 第３図
第４図
第５図Parts 1 to 5 show one embodiment of the present invention; Fig. 1 is a sectional view showing the self-tightening process; Part 2V is a sectional view showing a thick-walled cylindrical body; Fig. 3: A thick-walled cylindrical body; Cross-sectional view showing the taper part, No. 4
The figure shows a press-fitting member, and FIG. 5 shows a push rod. 1, thick cylindrical body, la cylindrical body, 1b, Franz part, lc: internal space, Id/large diameter part, le/small diameter part, 1f
- Tapered part, 2 - Press-fit member, 2a. Reduced diameter part, 2b: parallel curved part, 2c: ;-pa part, 2d/connection part, 2e: guide part, 3 push rod, 3δ rod-shaped part, 4 leading core punch, 5 core punch, 6:29277 member,
7, <7 nod. Agent Patent Attorney Mae 1) Hiroshi Figure 1 Figure 2 Figure 3 Figure 4 Figure 5
Claims (1)
体と、クロームメッキを施したテーパ部を備える圧入部
材とを用い、該内部空間に該圧入部材のテーパ部をプレ
ス装置によつて圧入移動させ、厚肉円筒体の内外径を押
し拡げると共に、内表面近傍に高い圧縮残留応力を付与
することを特徴とする厚肉円筒体のスエージング自緊方
法。(1) Using a thick metal cylindrical body whose internal space is lead-plated and a press-fitting member with a chrome-plated tapered part, the tapered part of the press-fitting member is inserted into the internal space using a press machine. A self-swaging method for a thick-walled cylindrical body, characterized in that the cylindrical body is press-fitted, the inner and outer diameters of the thick-walled cylindrical body are expanded, and a high compressive residual stress is applied near the inner surface of the cylindrical body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29510690A JPH04167944A (en) | 1990-10-31 | 1990-10-31 | Swage autofrettage method for thick cylindrical body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29510690A JPH04167944A (en) | 1990-10-31 | 1990-10-31 | Swage autofrettage method for thick cylindrical body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04167944A true JPH04167944A (en) | 1992-06-16 |
Family
ID=17816376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29510690A Pending JPH04167944A (en) | 1990-10-31 | 1990-10-31 | Swage autofrettage method for thick cylindrical body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04167944A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07227638A (en) * | 1994-02-22 | 1995-08-29 | Akamatsu Fuooshisu Kk | Set tool for forging and heading |
| DE10238163A1 (en) * | 2002-08-15 | 2004-02-26 | Hottinger Baldwin Messtechnik Gmbh | High pressure sensor has an inner drilled hole in a deformation body with deformation sensors attached to its surface, with the deformation body subjected to plastic deformation during manufacture to remove stress peaks |
| WO2005061151A1 (en) * | 2003-12-22 | 2005-07-07 | Honda Motor Co., Ltd. | Method of forming member, valve guide and method of forming the valve guide, and method of forming tubular member |
| JP2006026703A (en) * | 2004-07-20 | 2006-02-02 | Matsuoka Minako | Method and device for manufacturing hollow rack bar, and core bar tool used for manufacturing hollow rack bar |
| JP2010503535A (en) * | 2006-09-16 | 2010-02-04 | サンドビック マテリアルズ テクノロジー ドイチュラント ゲゼルシャフト ミット ベシュレンクテル ハフツング | Autofretage with a sphere |
| JP2010510385A (en) * | 2006-11-16 | 2010-04-02 | マキシマーター ゲゼルシャフト ミット ベシュレンクテル ハフツング | Self-tightening method and self-tightening device |
| CN102321792A (en) * | 2010-04-07 | 2012-01-18 | 株式会社电装 | From the stress system of processing, from the stress working method with use method from stress processing workpiece |
| US8365573B2 (en) | 2007-02-23 | 2013-02-05 | Neutron Co., Ltd. | Mandrel, set of mandrels, and hollow rack bar |
| US8677797B2 (en) | 2007-03-20 | 2014-03-25 | Neturen Co., Ltd. | Hollow rack manufacturing method and manufacturing apparatus |
| CN107309288A (en) * | 2017-07-19 | 2017-11-03 | 中国人民解放军军械工程学院 | Mechanical Autofrettage device and tightening method outside a kind of firearms barrel |
| WO2018134063A1 (en) * | 2017-01-20 | 2018-07-26 | Uhde High Pressure Technologies Gmbh | Device and method for the autofrettage of a workpiece |
-
1990
- 1990-10-31 JP JP29510690A patent/JPH04167944A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07227638A (en) * | 1994-02-22 | 1995-08-29 | Akamatsu Fuooshisu Kk | Set tool for forging and heading |
| DE10238163A1 (en) * | 2002-08-15 | 2004-02-26 | Hottinger Baldwin Messtechnik Gmbh | High pressure sensor has an inner drilled hole in a deformation body with deformation sensors attached to its surface, with the deformation body subjected to plastic deformation during manufacture to remove stress peaks |
| DE10238163B4 (en) * | 2002-08-15 | 2011-03-31 | Hottinger Baldwin Messtechnik Gmbh | high pressure transducer |
| WO2005061151A1 (en) * | 2003-12-22 | 2005-07-07 | Honda Motor Co., Ltd. | Method of forming member, valve guide and method of forming the valve guide, and method of forming tubular member |
| US8151436B2 (en) | 2003-12-22 | 2012-04-10 | Honda Motor Co., Ltd. | Method of forming member, valve guide and method of forming the same, and method of forming tubular member |
| GB2424848A (en) * | 2003-12-22 | 2006-10-11 | Honda Motor Co Ltd | Method of forming member, valve guide and method of forming the valve guide, and method of forming tubular member |
| GB2424848B (en) * | 2003-12-22 | 2007-12-12 | Honda Motor Co Ltd | Method of forming member, valve guide and method of forming the valve guide, and method of forming tubular member |
| JP4504127B2 (en) * | 2004-07-20 | 2010-07-14 | 松岡 美奈子 | Hollow rack bar manufacturing equipment |
| JP2006026703A (en) * | 2004-07-20 | 2006-02-02 | Matsuoka Minako | Method and device for manufacturing hollow rack bar, and core bar tool used for manufacturing hollow rack bar |
| JP2010503535A (en) * | 2006-09-16 | 2010-02-04 | サンドビック マテリアルズ テクノロジー ドイチュラント ゲゼルシャフト ミット ベシュレンクテル ハフツング | Autofretage with a sphere |
| JP2010510385A (en) * | 2006-11-16 | 2010-04-02 | マキシマーター ゲゼルシャフト ミット ベシュレンクテル ハフツング | Self-tightening method and self-tightening device |
| US8365573B2 (en) | 2007-02-23 | 2013-02-05 | Neutron Co., Ltd. | Mandrel, set of mandrels, and hollow rack bar |
| US9046157B2 (en) | 2007-02-23 | 2015-06-02 | Neturen Co., Ltd. | Mandrel, set of mandrels, and hollow rack bar |
| US8677797B2 (en) | 2007-03-20 | 2014-03-25 | Neturen Co., Ltd. | Hollow rack manufacturing method and manufacturing apparatus |
| CN102321792A (en) * | 2010-04-07 | 2012-01-18 | 株式会社电装 | From the stress system of processing, from the stress working method with use method from stress processing workpiece |
| WO2018134063A1 (en) * | 2017-01-20 | 2018-07-26 | Uhde High Pressure Technologies Gmbh | Device and method for the autofrettage of a workpiece |
| US11298737B2 (en) | 2017-01-20 | 2022-04-12 | Uhde High Pressure Technologies Gmbh | Device and method for the autofrettage of a workpiece |
| CN107309288A (en) * | 2017-07-19 | 2017-11-03 | 中国人民解放军军械工程学院 | Mechanical Autofrettage device and tightening method outside a kind of firearms barrel |
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