JPS60184445A - Blade stock working method - Google Patents
Blade stock working methodInfo
- Publication number
- JPS60184445A JPS60184445A JP4037084A JP4037084A JPS60184445A JP S60184445 A JPS60184445 A JP S60184445A JP 4037084 A JP4037084 A JP 4037084A JP 4037084 A JP4037084 A JP 4037084A JP S60184445 A JPS60184445 A JP S60184445A
- Authority
- JP
- Japan
- Prior art keywords
- blade
- wing
- upper punch
- processing
- dimension
- 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
Landscapes
- Forging (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明はブレードの素形材加工方法に係り、特に、所定
の仕上げ代をもつ素形材全長尺材から塑性加工し、この
素形材から所定寸法のブレードを切削によって仕上げ加
工するようにしたブレードの加工方法にお・ける前記素
形材の加工方法に関するものである。[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to a method for processing a blank material for a blade, and in particular, plastic working is carried out from a full length blank material having a predetermined finishing allowance. The present invention relates to a method for processing a formed material in a method for processing a blade in which a blade having a predetermined size is finished by cutting.
まず、不発明の対象となるブレードを、図面を使用して
説明する。First, the blade that is the object of the invention will be explained using the drawings.
第１図は、本発明の対象となるブレードの一例を示す斜
視図である。このブレードは、翼部１とダブティール部
２とからなっており、その翼部１は、凹面状の腹部ＩＣ
と凸面状の背部１ｄとを有するとともに、平面状の先端
部１ａ、ダブティール部２と接続する根元部１ｂを有し
ている。１ｅは、幅方向端部である。FIG. 1 is a perspective view showing an example of a blade to which the present invention is applied. This blade consists of a wing section 1 and a dovetail section 2, and the wing section 1 has a concave abdominal IC.
It has a convex back part 1d, a flat tip part 1a, and a base part 1b connected to the dovetail part 2. 1e is an end in the width direction.
一般的に、長い翼部１を有する長翼ブレードは、翼部１
の先端部１ａと根元部１１）との間の捩れが大きく、捷
だ先端部１ａ近筺の横断面と根元部１ｂ近傍の横断面と
の形状が大きく異なっている。Generally, a long-wing blade having a long wing section 1 has a long wing section 1.
The twist between the tip 1a and the root 11) is large, and the shape of the cross section near the twisted tip 1a and the cross section near the root 1b are largely different.
一方、翼部１が短い短翼ブレードは、逆に捩れが小さく
、前記両横断面が近似した形状である。On the other hand, a short wing blade having a short wing portion 1 has a small twist and has a shape in which both cross sections are similar to each other.
従来から行なわれているブレードの加工方法を説明する
と、長翼ブレードの多くは、予備成形された長尺材から
、熱間の半密閉型鍛造あるいは精密型鍛造によって、所
定の仕上げ代をもつ素形材を加工したのち、この素形材
から、機械加工によって翼部１とダブティール部２の仕
上げ？する方法を採っている。しかし、半密閉型鍛造あ
るいは精密型鍛造による素形材の加工方法は、この実施
に供せられる金型の製作費、設備費が高いばがりでなく
、熱間のため金型寿命が短く、金型の償却費の点からも
問題があった。To explain the conventional method of processing blades, most long-wing blades are made from preformed long material with a predetermined finishing allowance by hot semi-closed die forging or precision die forging. After processing the shape material, finish the wing part 1 and dovetail part 2 by machining from this material. We are adopting a method to do so. However, semi-closed die forging or precision die forging is not only a high cost for manufacturing molds and equipment, but also has a short lifespan due to the hot process. There was also a problem in terms of mold depreciation costs.
一方、短翼ブレードの多くは、機械加工による削り出し
によって加工している。この場合、数本を同時に削り出
すことによって、１本当たりの加工時間を短縮するなど
原価低減のだめの努力がなされてはいるものの、材料歩
留りがきわめて低いという欠点があった。On the other hand, many of the short wing blades are machined. In this case, although efforts have been made to reduce the cost by cutting several pieces at the same time to shorten the machining time per piece, the disadvantage is that the material yield is extremely low.
本発明は、上記した従来技術の欠点を除去して、金型費
、設備費が安価で、長翼ブレードおよび短翼ブレードの
加工に適用できる、ブレードの素形材加工方法の提供を
、その目的とするものである。The present invention aims to provide a blade material processing method that eliminates the drawbacks of the above-mentioned prior art, has low mold costs and equipment costs, and can be applied to the processing of long-winged blades and short-winged blades. This is the purpose.
本発明の第１の発明に係るブレードの素形材の加工方法
の構成は、所定の仕上げ代金もつ素形材を長尺材から塑
性加工し、この素形材から、腹部と背部のめる翼部とダ
ブティール部とを有するブレードを切削によって仕上げ
加工するようにしたブレードの加工方法におりする前記
素形材の加工方法において、長尺材の長子方向寸法およ
び幅方向寸法よりも十分小さい加圧面を有する上ポンチ
と、前記長手方向寸法よりも小さく幅方向寸法よりも大
きい加圧面を有する下金敷とからなる一対の金型を使用
し、自由鍛造により、前記長尺材の翼加工部に、長手方
向に連続した階段状溝を加工して腹部を形成したのち、
前記上ポンチと同一形状を有する上ポンチと、前記長子
方向寸法よりも小さく幅方向寸法よりも大きい加圧面に
翼部の腹部と反対形状の凸面を形成した入れ駒を幅方向
移動可能に載置した下金敷とからなる一対の金型を使用
し、自由鍛造により、前記翼加工部の腹部を形成した側
と反対側の面に、長手方向に連続した階段状凸部を加工
して背部を形成するようにしたものである。The structure of the method for processing a blade material according to the first aspect of the present invention is to plastically process a material having a predetermined finishing cost from a long material, and from this material, form a wing section into which the abdomen and back part are to be fitted. In the method for processing a shaped material, the blade having a dovetail portion and a dovetail portion are finished by cutting. Using a pair of dies consisting of an upper punch having a pressure surface smaller than the longitudinal dimension and larger than the width dimension, a pair of molds is used. After forming the abdomen by machining continuous stepped grooves in the direction,
An upper punch having the same shape as the upper punch, and a loading piece having a pressure surface smaller than the longitudinal dimension and larger than the width dimension having a convex surface having a shape opposite to the abdomen of the wing part are mounted so as to be movable in the width direction. Using a pair of molds consisting of a lower anvil and a lower anvil, by free forging, a step-like convex part continuous in the longitudinal direction is machined on the side opposite to the side where the abdomen of the wing processed part is formed, and the back part is formed. It was designed so that it could be formed.
また、本発明の第２の発明に係るブレードの素形材の加
工方法の構成は、所定の仕上げ代をもつ素形材を長尺材
から塑性加工し、この素形材から、腹部と背部のある翼
部とダブティール部とを有するブレードを切削によって
仕上げ加工するようにしたブレードの加工方法における
前記素形材の加工方法において、長尺材の長子方向寸法
および幅方向寸法よりも十分小さい加圧面を有する上ポ
ンチと、前記長手方向寸法よりも小さく幅方回寸法より
も大きい加圧面を有する下金敷とからなる一対の金型を
使用し、自由鍛造により、前記長尺材の翼加工部に、長
手方向に連続した階段状凸部を那工して背部を形成した
のち、前記上ポンチと同一形状を有する上ポンチと、前
記長手方向寸法よりも小さく幅方向寸法エリも大きい加
圧面に翼部の背部と反対形状の凹面を形成した入れ駒を
幅方向移動可能に載置した下金敷とからなる一対の金型
を使用し、自由鍛造により、前記翼加工部の背部を形成
した側と反対側の面に、長手方向に連続した階段状溝を
加工して腹部を形成するようにしたものである。Further, the configuration of the method for processing a blade material according to the second aspect of the present invention is such that a material having a predetermined finishing allowance is plastically worked from a long material, and from this material, the abdomen and the back are formed. In the method for processing a blank material in the method for processing a blade in which a blade having a certain wing portion and a dovetail portion is finished by cutting, Using a pair of dies consisting of an upper punch having a pressure surface and a lower anvil having a pressure surface smaller than the longitudinal dimension and larger than the width direction dimension, the blade processing portion of the long material is formed by free forging. After forming a back part by forming a step-like convex part continuous in the longitudinal direction, an upper punch having the same shape as the upper punch and a pressing surface having a smaller width dimension than the longitudinal dimension and a larger width dimension area are formed. The side on which the back of the wing processing part was formed was formed by free forging using a pair of molds consisting of a lower anvil on which a inserting piece with a concave surface of the opposite shape to the back of the wing was mounted so as to be movable in the width direction. On the opposite side, a stepped groove continuous in the longitudinal direction is machined to form an abdomen.
以下、本発明を実施例によって説明する。 Hereinafter, the present invention will be explained by examples.
第２図は、本実１Ｍ例の対象となるブレード（仕上げ品
）を、その翼部の先端側から見た上面図、第３図は、本
発明の一実施・り１」に係るブレードの素形材加工方法
の芙施に供せられる長尺材を示す斜視図、第４図は、上
ポンチと下金敷とからなる一対の金型によって、第３図
に係る長尺材の腹部加圧面の加圧を行なっている状態を
示す要部斜視図、第５図は、第３図に係る長尺材の背部
加圧面の加工を行なうだめの、上ポンチと入れ駒を装着
した下金敷とからなる一対の金型を示す斜視図、第６図
は、第５図のＡ−Ａ断面図、第７図は、腹部加圧面の１
回目の加圧後の状態を示す平面図、第８図は、第７図の
Ｂ−Ｂ断面図、第９図は、腹部加圧面の２回目の加圧後
の状態を示す平面図、第１０図は、第９図のｅ−ｃ断面
図、第１１図は、腹部加圧面の３回目の加圧改の状態を
示す平面図、第１２図は、第１１図のＤ−Ｄ断面図、第
１３図は、腹部加圧面の第１段目の加圧終了後の状態を
示す平向図、第１４図は、第１３図のＥ−Ｅ断面図、第
１５図は、腹部加圧面の第２段目の加圧終了後の状態を
示す断面図、第１６図は、腹部加圧面の加圧をすべて終
了した状態を示す断面図、第１７図は、第５図における
下金数十に、腹部加圧面の加圧をすべて終了した長尺材
を反転して載置した状態を示す側面図、第１８図は、背
部加圧面の１回目の加圧状態を示す要部斜視図、第１９
図は、背部加圧面の第１段目の加圧終了後の状態を示す
断面図、第２０図は、背部加圧面の加圧をすべて終了し
た状態、すなわち素形材の断面図、第２１図は、第２０
図に係る素形材の斜視図である。Fig. 2 is a top view of a blade (finished product) that is the subject of this 1M example, viewed from the tip side of its wing section, and Fig. 3 is a top view of a blade according to one embodiment of the present invention, Ri 1. FIG. 4 is a perspective view showing a long material to be subjected to processing in the material processing method, and the abdominal part of the long material according to FIG. FIG. 5 is a perspective view of the main part showing a state in which pressure is applied to the pressure surface, and is a lower anvil equipped with an upper punch and a inserting piece for processing the back pressure surface of the long material shown in FIG. 3. FIG. 6 is a sectional view taken along the line A-A in FIG. 5, and FIG. 7 is a perspective view showing a pair of molds consisting of
FIG. 8 is a plan view showing the state after the second pressurization, and FIG. 8 is a sectional view taken along the line B-B in FIG. 7. FIG. Fig. 10 is a sectional view taken along e-c in Fig. 9, Fig. 11 is a plan view showing the state of the third pressurization of the abdominal pressurizing surface, and Fig. 12 is a sectional view taken along line D-D in Fig. 11. , FIG. 13 is a plan view showing the state of the abdominal pressure surface after the first stage of pressure has been completed, FIG. 14 is a sectional view taken along line E-E in FIG. 13, and FIG. 15 is the abdominal pressure surface 16 is a sectional view showing the state after the second stage of pressure has been completed, FIG. 16 is a sectional view showing the state after all the pressure has been applied to the abdominal pressurizing surface, and FIG. 17 is the lower metal number in FIG. 5. Fig. 18 is a side view showing a state in which the long material that has been completely pressurized on the abdominal pressure surface is inverted and placed, and Fig. 18 is a perspective view of the main part showing the first pressurization state on the back pressure surface. , 19th
The figure is a sectional view showing the state of the back pressure surface after the first stage of pressurization is completed, FIG. The figure shows the 20th
FIG. 3 is a perspective view of the material shown in the figure.
まず、本実施例の対象となるブレードを、第２図を使用
して説明する。第２図において、第１図と同一番号を付
したものは同一部分である。First, the blade to which this embodiment is applied will be explained using FIG. 2. In FIG. 2, parts with the same numbers as in FIG. 1 are the same parts.
このブレードは、翼部１における先端部１ａと根元部１
ｂとの横断面形状がほぼ同一であり、捩り角θも小さい
、１３ｃｒ製の短翼ブレードである（具体的寸法として
、Ｗｌ ＝ ５０ ｒｒａｎ ＋ Ｗ２−２５間、θ＝
５°、翼部１の長さ２００＋ｏ＋、ダブティール部２の
長さｉｏｏ關）。This blade has a tip portion 1a and a root portion 1 in the wing portion 1.
It is a short wing blade made of 13 cr, with almost the same cross-sectional shape as b and a small torsion angle θ (specific dimensions: Wl = 50 rran + between W2-25, θ =
5°, the length of the wing section 1 is 200+o+, the length of the dovetail section 2 is ioo).
素材としての、長手方向寸法り１幅方向寸法Ｗの長尺材
５は、第３図に示すように、翼加工部３とダブティール
加工部４とを有し、その境界部３ｂはテーパ状になって
いる。前記翼加工部３０幅（４０ｒｒｒｍ ）は、加圧
による幅広がりを考慮して、仕上げ品の幅Ｗ［（＝ ５
０ｍｍ ）よりも小さくミ また、ダブティール加工部
４がらダブティール部２（９）
が切削によって加工されるものである。なお、３ａは長
尺材５の中心線、３ｃは腹部加圧面、３ｄは背部力０圧
面である（具体的寸法は、第３図中に記入）。As shown in FIG. 3, a long material 5 as a material having a longitudinal dimension and a widthwise dimension W has a wing processed portion 3 and a dovetail processed portion 4, and a boundary portion 3b thereof is tapered. It has become. The width of the blade processed portion 30 (40rrrm) is determined by the width W of the finished product [(=5
In addition, the dovetail portion 2 (9) is machined by cutting from the dovetail processing portion 4. Note that 3a is the center line of the long material 5, 3c is the abdominal pressure surface, and 3d is the zero pressure surface on the back (specific dimensions are written in FIG. 3).
次に、金型を説明する。Next, the mold will be explained.
長尺材５の腹部卯圧面３Ｃを加圧する金型は、第４図に
示すように、長尺材５の長手方向寸法りおよび幅方向寸
法Ｗ（第３図参照）よりも十分小さい加圧面６ａを有す
る上ポンチ６と、長手方向寸法りよりも小さく幅方向寸
法Ｗよりも大きい加圧面を有する下金敷７とからなる一
対の金型である。そして、上ポンチ６、下金敷７は、そ
れぞれプレスのラムおよびベッド（図示せず）に、加圧
向上の中心軸が一致するようにして、且つ上ポンチ６が
、加圧時における長尺材５の材料が長手方向よりも幅方
向へ流動しやすいように、上ポンチ６の加圧面６ａの長
手方向と長尺材５の長手方向とが一致するようにして前
記ラムに取付けられている。As shown in FIG. 4, the mold for pressurizing the abdomen pressure surface 3C of the long material 5 has a pressure surface that is sufficiently smaller than the longitudinal dimension and the width direction dimension W (see FIG. 3) of the long material 5. 6a, and a lower anvil 7 having a pressurizing surface smaller than the longitudinal dimension and larger than the width dimension W. The upper punch 6 and the lower anvil 7 are arranged such that the central axes of the pressurization increase coincide with the ram and bed (not shown) of the press, respectively, and the upper punch 6 is arranged so that the center axes of the pressurization increase coincide with the ram and bed (not shown) of the press, respectively. The pressurizing surface 6a of the upper punch 6 is attached to the ram so that the longitudinal direction of the pressing surface 6a of the elongated material 5 coincides with the longitudinal direction of the elongated material 5 so that the material 5 flows more easily in the width direction than in the longitudinal direction.
長尺材５の背部加圧面３ｄを加圧する金型は、（１０）
第５，６図に示すように、前記第４図の上ポンチ６（た
だし、加圧軸に対して９０°回転させた状態）と、背部
加圧面３ｄの加圧時に腹部加圧面３Ｃに形成した階段状
溝ＩＣ′ （第１６図参照、詳細置述）が大きく変形し
て腹側へ押し潰れるのを防止するために、翼部１の腹部
ＩＣと反対形状の凸面８ａを形成した入れ駒８を、幅方
向移動可能に装着した下金敷７（この下金敷７は、第４
図の下金敷と同一である）とからなる一対の金型である
。上ポンチ６を、上記のように９０°回転させることに
より、加圧時における長尺材５の材料が幅方向よりも長
手方向へ流動しやすくなる。(10) As shown in FIGS. 5 and 6, the mold for pressurizing the back pressing surface 3d of the long material 5 is the upper punch 6 shown in FIG. In order to prevent the stepped groove IC' (see Fig. 16, detailed description) formed in the abdominal pressure surface 3C from being greatly deformed and crushed toward the ventral side when the back pressure surface 3d is pressurized. A lower anvil 7 (this lower anvil 7 is attached to a fourth
This is a pair of molds consisting of a lower anvil (which is the same as the lower anvil in the figure). By rotating the upper punch 6 by 90 degrees as described above, the material of the elongated material 5 flows more easily in the longitudinal direction than in the width direction during pressurization.
このように構成した金型を使用して、自由鍛造により、
翼加工部３の一方の而（腹部加圧面３ｃ）に階段状溝１
（／を加工したのち、他方の面（背部加圧面３ｄ）に階
段状凸部１ｄ′を加工することにより、素形材１０を加
工する方法を説明する。By free forging using the mold configured in this way,
A stepped groove 1 is formed on one side of the wing processing portion 3 (abdominal pressure surface 3c).
A method for processing the raw material 10 will be described by processing the / and then processing the stepped convex portion 1d' on the other surface (the back pressurizing surface 3d).
まず、第３図の長尺材５を、第４図に示すように、その
長手方向がポンチ６の長手方向と一致するようにして、
下金敷７上に載置する。との長尺（１１）
材５を下金敷７上で移動させて泣１置決めするために、
該長尺材５のダブティール加工部４をマニプユレータの
７・ンドリング部（図示せず）で押傷させる。加工品で
ある累形洞１０の形状寸法に基ついて決めた、前記マニ
プユレータの移動量と移動手順、および＃勤先での上ポ
ンチ６の加圧量（２ｍｍ）どを、制御装置（図示せず）
に記憶させる。First, as shown in FIG. 4, the long material 5 shown in FIG.
Place it on the lower anvil 7. In order to move the long piece (11) of the material 5 on the lower anvil 7 and position it,
The dovetail-processed portion 4 of the long material 5 is pressed and damaged by a handle 7 of a manipulator (not shown). A control device (not shown) controls the amount of movement and movement procedure of the manipulator, the amount of pressure (2 mm) of the upper punch 6 at the work site, etc., which are determined based on the shape and dimensions of the sinus 10 that is the processed product. figure)
to be memorized.
ここで前記プレスをＯＮにすると、第７図に示すように
、中心線３ａと、翼加工部３とダブティール加工部４と
の境界線３１］′ との交点が一■ニポンチ６の中心に
々るような％ｌｄで、腹部加圧面３Ｃの１回目の加圧が
行なわれる。次に前記マニプユレータにより、長尺材５
が幅方向へ所定量のピッチ（上ポンチ６の幅寸法７叫よ
りも小さい５咽）だけ移動し、２回目の加圧が行なわれ
る（第９図）。Now, when the press is turned on, the intersection of the center line 3a and the boundary line 31' between the blade processing section 3 and the dovetail processing section 4 will be directly at the center of the double punch 6, as shown in FIG. The first pressurization of the abdominal pressurizing surface 3C is performed at such %ld. Next, the long material 5 is
moves in the width direction by a predetermined pitch (5 pitches smaller than the width dimension 7 of the upper punch 6), and the second pressurization is performed (FIG. 9).
次に長尺材５が幅方向（反対側）へ移動し、１回目の加
圧面に対して、２回目の加圧面と反対側が３回目に加圧
される（第１１図）。以上の手順で加圧が７回繰返され
て、ポンチ長さの領域で第１段目の加圧が終了する（第
１３図）。Next, the elongated material 5 moves in the width direction (opposite side), and the side opposite to the first pressurized surface is pressurized for the third time (FIG. 11). Pressurization is repeated seven times in the above procedure, and the first stage of pressurization is completed in the region of the punch length (FIG. 13).
（１２）
さらに、前記マニプユレータに上り長尺材５が長手方向
へ所定量のピンチ（上ポンチ６の長さ寸法２５ｍｍより
も小さい２０ ｍｍ ）だけ移動し、前述したと同様に
して、隣接部分の第１段目の加圧が行なわれ、これが繰
返えされて、腹部加圧面３Ｃの長手方向全長にわたって
加圧が行なわれ、第１段目の加圧が終了する。(12) Furthermore, the long material 5 that has climbed up the manipulator is moved in the longitudinal direction by a predetermined amount of pinch (20 mm, which is smaller than the length of the upper punch 6, 25 mm), and the adjacent portion is moved in the same manner as described above. The first stage of pressurization is performed, and this is repeated until the pressure is applied over the entire length in the longitudinal direction of the abdomen pressurizing surface 3C, and the first stage of pressurization is completed.
次に、長尺材５が第７図に示す位置へ戻り、前述した第
１段目の加圧と同様にして（ただし、幅方向ピッチは第
１段目のピンチ５謹よりも小さい４ｒｒｒＩｎＸ長手方
向ピッチは同一の２０岨）、第１段目よりも内側の狭い
領域で渠２段目の加圧が行なわれる（第１５図）。逐次
、幅方向ピッチ、加圧回数を減らして、第５段１捷で加
圧されると、第１６図に示すように、幅方向中央近傍で
最も深くなる、長手方向に連続した階段状溝１（／が加
工され、これが素形材の腹側になる。Next, the long material 5 returns to the position shown in FIG. The direction pitch is the same (20 mounds), and the second stage of the conduit pressurizes in a narrow area inside the first stage (Fig. 15). When the pitch in the width direction and the number of pressurizations are successively reduced and pressure is applied in one stroke in the fifth stage, as shown in Fig. 16, a stepped groove continuous in the longitudinal direction becomes deepest near the center in the width direction. 1 (/ is processed, and this becomes the ventral side of the material.
ここで、上ポンチ６が９０°回転し、入れ駒装着装置（
図示せず）により下金敷７に入れ駒８が装着される（第
５図）。前記マニプユレータによ（１３）
す、長尺材５が裏返しになり、入れ駒８の凸面８ａに階
段状溝１ｃ／が低寸る（第１７図）。この状態では、長
尺材５が幅方向へ移動するとき、入れ駒８が階段状溝Ｉ
Ｃ′に嵌１り込んだ状態で矢印方向へ移動するので、背
部加圧面３ｄが上ポンチ６によって加圧されても長尺材
５が腹側へ押し潰れることはない。Here, the upper punch 6 rotates 90 degrees, and the inserting piece mounting device (
(not shown), the insert piece 8 is attached to the lower anvil 7 (FIG. 5). By the manipulator (13), the elongated material 5 is turned over, and a stepped groove 1c/ is formed on the convex surface 8a of the insertion piece 8 (FIG. 17). In this state, when the long material 5 moves in the width direction, the insertion piece 8 is inserted into the stepped groove I.
Since it moves in the direction of the arrow while being fitted into C', even if the back pressure surface 3d is pressurized by the upper punch 6, the elongated material 5 will not be crushed toward the ventral side.
次いで、背部加圧面３ｄの加圧に入るが、１回目は、上
ポンチ６の中心線と境界線３ｂ’ とが一致し、且つ該
上ポンチ６の端面が長尺材５の中心線３ａから所定距離
（８ｔｎｘ ）だけ離れた位置で加圧される（第１８図
）。Next, pressurization of the back pressurizing surface 3d is started, but for the first time, the center line of the upper punch 6 and the boundary line 3b' are aligned, and the end surface of the upper punch 6 is away from the center line 3a of the long material 5. Pressure is applied at a position separated by a predetermined distance (8tnx) (FIG. 18).
次に前記マニプユレータにより長尺材５が長手方向へ所
定量のピッチ（上ポンチ６の幅寸法７關よりも小さい５
■）だけ移動し、２回目の加圧が行なわれる。同様にし
て、長尺材５がさらに長手方向へ前記長手方向ピッチだ
け移動し、加圧が繰返えされて５回目の加圧が終了した
とき、長尺材５が幅方向へ所定量のピッチだけ移動し、
背部加圧面３ｄの、中心線３ａに対して前記加圧面と反
（１４）
対何が同様にして５回加圧される。再ひもとの側へ戻っ
て、前記加圧面と隣接した部分が５回加圧されるという
動作が繰返えされる。そして、背部加圧面３ｄの長手方
向全長にわたって加圧が行なわれて、第１段目の加圧が
終了する（第１９図）。Next, the manipulator moves the long material 5 in the longitudinal direction at a predetermined pitch (5 pitches smaller than the width dimension 7 of the upper punch 6).
(2), and the second pressurization is performed. Similarly, the long material 5 is further moved in the longitudinal direction by the longitudinal pitch, and when the pressurization is repeated and the fifth pressurization is completed, the long material 5 is moved by a predetermined amount in the width direction. Move only the pitch,
The back pressurizing surface 3d, opposite to the pressurizing surface (14) with respect to the center line 3a, is similarly pressurized five times. Returning to the re-string side, the operation of applying pressure to the area adjacent to the pressing surface five times is repeated. Then, pressure is applied over the entire length of the back pressure surface 3d in the longitudinal direction, and the first stage of pressure is completed (FIG. 19).
この間、逐次、腹側の階段状溝ＩＣ′の段差が入れ駒８
の凸部８ａになじんで隙間９（第１７図）が小さくなり
、腹側の形状が凸面８ａの形状に近似してくる。During this time, the steps of the step-like groove IC' on the ventral side are successively inserted into piece 8.
As it adapts to the convex portion 8a, the gap 9 (FIG. 17) becomes smaller, and the shape of the ventral side approximates the shape of the convex surface 8a.
次いで、第１段目の加圧部分の外側の狭い領域が前述し
たと同様にして加圧され、逐次階段状に第６段まで加圧
されて階段状凸部１ｄ／が加圧される。これが素形材の
背側（第２０図）になる。Next, a narrow area outside the pressurizing portion of the first stage is pressurized in the same manner as described above, and is sequentially pressurized stepwise up to the sixth stage, so that the stepped convex portion 1d/ is pressurized. This will be the back side of the material (Figure 20).
このとき、前記階段状溝部ＩＣ／は、入れ駒８の凸面８
ａにほぼなじんで素形材の腹部１（／／になる。At this time, the stepped groove IC/ is formed on the convex surface 8 of the insertion piece 8.
It almost adapts to a and becomes the abdomen 1 (//) of the material.
このようにして、第２１図にその全体斜視図を示すよう
な、系形材１０が得られ、前記制御装置によって前記プ
レスがＯＦＦ’になり、素形材加工が終了する。この素
形材１０は、所定の仕上げ代（１５）
（３ｍｍ ）を有するものであるので、切削によって仕
上げ加工することにより、第２図に示すブレードが得ら
れる。In this way, a shaped material 10 as shown in the overall perspective view in FIG. 21 is obtained, and the press is turned OFF' by the control device, and processing of the shaped material is completed. Since this material 10 has a predetermined finishing allowance (15) (3 mm), the blade shown in FIG. 2 is obtained by finishing it by cutting.
以上説明した実施例によれば、従来必要としていた半密
閉型鍛造用もしくは精密型鍛造用の金型を必要とせず、
標準形状の一対の金型（上ポンチ６および下金敷７）、
および入れ駒８を使用するだけで、長翼ブレードの素形
材も短翼ブレードの系形材も加工できるので、金型費が
安価で、長翼ブレードおよび短翼ブレードの加工に通用
できる、ブレードの素形材加工方法を提供することがで
きるといつ効果がある。また、長尺材５を局部的に加圧
するため、小さな加工力で大形ブレードの形状が成形で
きるため、設備費も大幅に低減できる。According to the embodiment described above, there is no need for semi-closed forging or precision forging dies, which were conventionally required.
A pair of standard-shaped molds (upper punch 6 and lower anvil 7),
By simply using the inserting piece 8, both long-wing blade material and short-wing blade material can be processed, so the mold cost is low and it can be used for processing long-wing blades and short-wing blades. It would be beneficial to be able to provide a method for processing blade materials. Further, since the long material 5 is locally pressurized, a large blade shape can be formed with a small processing force, so that equipment costs can be significantly reduced.
１だ、従来角材からの削り出しによって加工していたブ
レードに比較して、大幅な材料費の削減となり、資源の
有効利用に貢献できるという効果もある。1. Compared to conventional blades that were machined from square timbers, this method significantly reduces material costs and contributes to the effective use of resources.
なお、本実施列においては、腹部加圧面３ｃも背部加圧
面３ｄも、翼加工部３とダブティール加（１６）
Ｔ部４どの境界線３ｂ’のところから加圧を開始するよ
うにしたが、長尺材５の端部から加工を開始してもよい
。その他、加工の手順は、本実施例のものに限定するも
のではない。In addition, in this embodiment, both the abdominal pressure surface 3c and the back pressure surface 3d are configured to start pressurizing at which boundary line 3b' of the wing processing section 3 and the dovetail section 4 (16). Processing may be started from the end of the long material 5. In addition, the processing procedure is not limited to that of this example.
さらに、本実施例においては、一対の上ポンチ６と下金
敷７（および入れ駒８）を使用するようにしたが、必要
に応じて数種類の標準形状の金型を組合わせて使用して
もよく、また、上ポンチの加圧面は、必ずしも平面であ
る必要はなく曲面から構成されていてもよい。Furthermore, in this embodiment, a pair of upper punch 6 and lower anvil 7 (and insertion piece 8) are used, but if necessary, several types of standard-shaped molds may be used in combination. Furthermore, the pressing surface of the upper punch does not necessarily have to be a flat surface, and may be a curved surface.
さらにまた、長尺材の横断面形状は矩形に限るものでは
なく、楕円形２円形であってもよい。Furthermore, the cross-sectional shape of the elongated material is not limited to a rectangle, but may be an ellipse or two circles.
第２２図は、本発明の他の実施例に係るブレードの素形
材加工方法の実施に供せられる金型と、これによって加
工される長尺材を併せて示す側面図である。この第２２
図において、第１７図と同一番号を付したものは同一部
分である。FIG. 22 is a side view showing a mold used for carrying out a method for processing a blade material according to another embodiment of the present invention, and a long material processed by the mold. This 22nd
In the figure, the same parts are denoted by the same numbers as in FIG. 17.
前記実施例は、翼部の腹部の加工を行なったのち、背部
の加工を行なうようにしたが、本実゛施例は、背部の加
工を行なったのち、腹部の加工を行（１７）
なうようにしたものである。In the above embodiment, the back part was machined after the abdomen of the wing was machined, but in this embodiment, after the back part was machined, the abdomen was machined (17). It was designed so that
この場合には、翼部の背部と反対形状の凹面１１ａを形
成した入れ駒１１を、下金敷７に幅方向移動可能に載置
することにより、腹部力１圧面３Ｃの加圧時に、先に形
成した階段状凸部１ｄ／が大きく変形して背側へ押し潰
れるのを防止する１これ以外の加工手順は、前記実施例
と全く同様であるのでその説明を省略する。In this case, by placing the insertion piece 11 having a concave surface 11a having a shape opposite to the back of the wing part on the lower anvil 7 so as to be movable in the width direction, it is possible to 1. Preventing the formed stepped convex portion 1d/ from being greatly deformed and crushed toward the back side 1 The other processing steps are completely the same as those in the previous embodiment, so a description thereof will be omitted.
以上詳細に説明したように本発明によれば、金型費、設
備費が安価で、長翼ブレードおよび短翼ブレードの加工
に適用できる、ブレードの素形材加工方法を提供するこ
とができる。As described in detail above, according to the present invention, it is possible to provide a blade material processing method that requires low mold and equipment costs and can be applied to processing long-wing blades and short-wing blades.
第１図は、本発明の対象となるブレードの一例を示す斜
視図、第２図は、本実施例の対象となるブレード（仕上
げ品）を、その翼部の先端側から見た上向図、第３図は
、本発明の一実施例に係るブレードの素形材加工方法の
実施に供せられる長尺材を示す斜視図、第４図は、上ポ
ンチと下金敷（１８）
とからなる一対の金型によって、第３図に係る長尺材の
腹部加圧面の加圧を行なっている状態を示す要部斜視図
、第５図は、第３図に係る長尺材の背部加圧面の加圧を
行なうだめの、上ポンチと入れ駒を装着した下金数とか
らなる一対の金型を示す斜視図、第６図は、第５図のＡ
−Ａ断面図、第７図は、腹部加圧面の１回目の加圧後の
状態を示す平面図、第８図は、第７図のＢ−Ｂ断面図、
第９図は、腹部加圧面の２回目の加圧後の状態を示す平
面図、第１０図は、第９図のＣ−Ｃ断面図、第１１図は
、腹部加圧面の３回目の加圧後の状態を示す平面図、第
１２図は、第１１図のＤ−Ｄ断面図、第１３図は、腹部
加圧面の第１段目の加圧終了後の状態を示す平面図、第
１４図は、第１３図のＥ−Ｅ断面図、第１５図は、腹部
加圧面の第２段目の加圧終了後の状態を示す断面図、第
１６図は、腹部加圧面の加圧をすべて終了した状態を示
す断面図、第１７図は、第５図における下金数十に、腹
部加圧面の加圧をすべて終了した長尺材を反転して載置
した状態を示す側面図、第１８図（１９）
は、背部加圧面の１回目の加圧状態を示す要部斜視図、
第１９図は、背部加圧面の第１段目の加圧終了後の状態
を示す断面図、第２０図は、背部加圧面の加圧をすべて
終了した状態、すなわち素形材の断面図、第２１図は、
第２０図に係る素形材の斜視図、第２２図は、本発明の
他の実施例に係るブレードの素形材加工方法の実施に供
せられる金型と、これによって加工される長尺材を併せ
て示す側面図である。
１・・・翼部、ＩＣ・・・腹部、１ ｃ ／・・・階段
状溝、１ｄ・・・背部、１ｄ′・・・階段状凸部、２・
・・ダブティール部、３・・・翼加工部、５・・・長尺
材、６・・・上ポンチ、６ａ・・・加圧面、７・・・下
金数、８・・・入れ駒、８ａ・・・凸面、１０・・・素
形材、１１・・入れ駒、１１ａ・・・凹面、Ｌ・・・長
尺材の長手方向寸法、Ｗ・・・長尺材の幅（２０）
痒 Ｉ 区
ｌ久
茅２ 図
＄３ 目
第７ 図
４
６Ｌ
第８口
ダ
茅１８ 口
６ ｓ
／ｃ′
茅ｌｑ 口
／Ｃ″FIG. 1 is a perspective view showing an example of a blade to which the present invention is applied, and FIG. 2 is an upward view of the blade (finished product) to which this embodiment is applied, viewed from the tip side of its wing section. , FIG. 3 is a perspective view showing a long material used for carrying out the method for processing a blade material according to an embodiment of the present invention, and FIG. FIG. 5 is a perspective view of a main part showing a state in which pressure is applied to the abdomen pressurizing surface of the long material according to FIG. 3 by a pair of molds, and FIG. FIG. 6 is a perspective view showing a pair of molds for pressurizing the pressure surface, consisting of an upper punch and a lower die equipped with a insert piece.
-A sectional view, FIG. 7 is a plan view showing the state of the abdominal pressurizing surface after the first pressurization, FIG. 8 is a BB sectional view of FIG. 7,
FIG. 9 is a plan view showing the state of the abdominal pressure surface after the second pressurization, FIG. 10 is a sectional view taken along the line C-C in FIG. 9, and FIG. 11 is the third pressurization of the abdominal pressure surface. FIG. 12 is a plan view showing the state after compression, and FIG. 12 is a sectional view taken along the line DD in FIG. 11. FIG. Figure 14 is a cross-sectional view taken along line E-E in Figure 13, Figure 15 is a cross-sectional view showing the state of the abdominal pressure surface after the second stage of pressure has been completed, and Figure 16 is the pressure applied to the abdominal pressure surface. FIG. 17 is a side view showing a state in which the long material whose abdominal pressurization surface has been completely pressurized is inverted and placed on the lower gold plate in FIG. 5. , FIG. 18 (19) is a perspective view of the main part showing the first pressurizing state of the back pressurizing surface,
FIG. 19 is a cross-sectional view showing the state of the back pressure surface after the first stage of pressurization has been completed, and FIG. 20 is a cross-sectional view of the formed material after all the pressure has been applied to the back pressure surface. Figure 21 shows
FIG. 20 is a perspective view of the raw material and FIG. 22 is a mold used for carrying out a blade raw material processing method according to another embodiment of the present invention, and a long length processed using the mold. It is a side view which also shows the material. 1... wing part, IC... abdomen, 1 c/... stepped groove, 1d... dorsal part, 1d'... stepped convex part, 2.
... Dovetail part, 3... Wing processing part, 5... Long material, 6... Upper punch, 6a... Pressure surface, 7... Number of lower metal parts, 8... Inserting piece, 8a... Convex surface, 10... Formed material, 11... Insert piece, 11a... Concave surface, L... Longitudinal dimension of long material, W... Width of long material (20) Itching I Ward 1 Kuhaya 2 Figure $3 Eye 7 Figure 4 6L 8th Mouth da Kaya 18 Mouth 6 s /c' Kaya lq Mouth/C''
Claims (1)
し、この素形材から、腹部と背部のある翼部とダブティ
ール部とを有するブレードを切削によって仕上げ加工す
るようにしたブレードの加工方法における前記素形材の
／Ｊｌｌ工方法において、長尺材の長手方向寸法および
幅方向寸法よりも十分小さい加圧面を有する上ポンチと
、前記長手方向寸法よりも小さく幅方向寸法よりも大き
い加圧面を有する下金数とからなる一対の金型を使用し
、自由鍛造により、前記長尺材の翼加工部に、長手方向
に連続した階段状溝を加工して腹部を形成したのち、前
記上ポンチと同一形状を有する上ポンチと、前記長手方
向寸法よりも小さく幅方向寸法よりも大きい加圧面に翼
部の腹部と反対形状の凸面を形成した入れ駒を幅方向移
動可能に載置した下金数とからなる一対の金型を使用し
、自由鍛造により、前記翼加工部の腹部を形成した側と
反対側の面に、長手方向に連続した階段状凸部を加工し
て背部を形成するようにしたことを特徴とするブレード
の素形材加工方法。 ２、所定の仕」二げ代をもつ素形材を長尺拐から塑性加
工し、この素形材から、腹部と背部のある翼部とダブテ
ィール部とを有するブレードを切削によって仕上げ加工
するようにしたブレードの加工方法における前記素形材
の加工方法において、長尺材の長手方向寸法および幅方
向寸法よりも十分小さい加圧面を有する上ポンチと、前
記長手方向寸法よりも小さく幅方向寸法よりも大きい加
圧面を有する下金数とからなる一対の金型を使用し、自
由鍛造により、前記長尺材の翼加工部に、長手方向に連
続した階段状凸部を加工して背部を形成したのち、前記
上ポンチと同一形状を有する上ポンチと、前記長手方向
寸法よりも小さく幅方向寸法よりも大きい加圧面に翼部
の背部と反対形状の凹面を形成した入れ駒を幅方向移動
可能に載置した下金数とからなる一対の金型を使用し、
自由鍛造により、前記翼加工部の背部を形成した側と反
対側の面に、長手方向に連続した階段状溝を加工して腹
部を形成するようにしたことを特徴とするブレードの素
形材加工方法。[Claims] ■ A long material is plastically worked into a material having a predetermined finishing allowance, and a blade having a wing portion with an abdomen and a back and a dovetail portion is finished by cutting from this material. In the blade processing method, an upper punch having a pressurizing surface sufficiently smaller than the longitudinal dimension and the width direction dimension of the long material; A step-like groove continuous in the longitudinal direction is machined in the wing-processed part of the long material by free forging using a pair of molds consisting of a lower die having a pressure surface that is small and larger than the width direction dimension. After that, an upper punch having the same shape as the upper punch and an inserting piece having a convex surface having a shape opposite to the abdomen of the wing portion on the pressing surface smaller than the longitudinal dimension and larger than the width dimension are used. Using a pair of molds consisting of a lower metal plate mounted so as to be movable in the width direction, by free forging, a stepped shape continuous in the longitudinal direction is formed on the side opposite to the side where the abdomen of the wing processing part is formed. A method for processing a blade material, characterized in that a convex portion is processed to form a back portion. 2. A material having a predetermined finish and double edge is plastically worked from a long length, and from this material, a blade having a wing portion with an abdomen and a back, and a dovetail portion is finished by cutting. In the method for processing a formed material in the method for processing a blank blade, an upper punch having a pressurizing surface sufficiently smaller than the longitudinal dimension and the width direction dimension of the elongated material; A back part is formed by free forging using a pair of molds consisting of a lower die and a lower die having a large pressurizing surface to form a continuous step-like convex part in the longitudinal direction on the wing part of the long material. After that, the upper punch having the same shape as the upper punch and the insertion piece having a pressing surface smaller than the longitudinal dimension and larger than the width dimension having a concave surface having a shape opposite to the back of the wing part can be moved in the width direction. Using a pair of molds consisting of a number of lower metals placed on the
A blade material, characterized in that, by free forging, continuous step-like grooves in the longitudinal direction are formed on the surface opposite to the side on which the back part of the blade processing part is formed to form the abdomen. Processing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4037084A JPS60184445A (en) | 1984-03-05 | 1984-03-05 | Blade stock working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4037084A JPS60184445A (en) | 1984-03-05 | 1984-03-05 | Blade stock working method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60184445A true JPS60184445A (en) | 1985-09-19 |
Family
ID=12578753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4037084A Pending JPS60184445A (en) | 1984-03-05 | 1984-03-05 | Blade stock working method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60184445A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6905312B2 (en) * | 2001-08-23 | 2005-06-14 | Snecma-Moteurs | Method of manufacturing an integral rotor blade disk and corresponding disk |
| CN109175923A (en) * | 2018-08-14 | 2019-01-11 | 南通中能机械制造有限公司 | A kind of forging mould and movable vane innovative machining method of the simple die forging of wind motor leaf |
-
1984
- 1984-03-05 JP JP4037084A patent/JPS60184445A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6905312B2 (en) * | 2001-08-23 | 2005-06-14 | Snecma-Moteurs | Method of manufacturing an integral rotor blade disk and corresponding disk |
| CN109175923A (en) * | 2018-08-14 | 2019-01-11 | 南通中能机械制造有限公司 | A kind of forging mould and movable vane innovative machining method of the simple die forging of wind motor leaf |
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