JPS5859718A - Cutting method of crank shaft - Google Patents
Cutting method of crank shaftInfo
- Publication number
- JPS5859718A JPS5859718A JP15610881A JP15610881A JPS5859718A JP S5859718 A JPS5859718 A JP S5859718A JP 15610881 A JP15610881 A JP 15610881A JP 15610881 A JP15610881 A JP 15610881A JP S5859718 A JPS5859718 A JP S5859718A
- Authority
- JP
- Japan
- Prior art keywords
- pin
- crankshaft
- cut
- cutting
- rice
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/06—Milling crankshafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/50—Cutting inserts
- B23C2210/503—Cutting inserts mounted internally on the cutter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2220/00—Details of milling processes
- B23C2220/68—Whirling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は６気、筒エンジン用のクランクシャフトのピン
部・ウェブ側面を切削する加工方法に関するものである
。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a processing method for cutting a pin portion/web side surface of a crankshaft for a six-cylinder cylinder engine.
そして、本発明の目的は少ない加工動作で６気筒エンジ
ン用のクランクシャフトのピン部・ウェブ側面を切削加
工できるようにしたクランクシャフトの切削加工方法を
提供することである。An object of the present invention is to provide a method for cutting a crankshaft that can cut the pin portion and web side surface of a crankshaft for a six-cylinder engine with a small number of machining operations.
以下図面を参照して本発明の詳細な説明する。The present invention will be described in detail below with reference to the drawings.
第１図は６気筒エンジン用のクランクシャフトＡを示し
、第１−第７ ｉ１ｉ＋ＩＩ受部Ｊ、〜Ｊ、と第１〜第
６ビン部Ｐ１〜Ｐ６とを備え、第１・第６ピン部ハ、Ｐ
、と第２・第５ピン＠Ｉ Ｐ、 、 Ｐ、と第３・第４
ピン部Ｐｓ、Ｐ−とけ第２図に示すように１２０度の位
相差を有していると共に、第１・第７軸受部Ｊ、、１丁
が一対のチャックα、ａ′で支持されている。FIG. 1 shows a crankshaft A for a six-cylinder engine, which includes first to seventh i1i+II receiving portions J, ~J, and first to sixth pin portions P1 to P6, and includes first and sixth pin portions. Ha, P
, and the 2nd and 5th pins @I P, , P, and the 3rd and 4th pins
As shown in Fig. 2, the pin parts Ps and P- have a phase difference of 120 degrees, and the first and seventh bearing parts J,... are supported by a pair of chucks α and a'. There is.
そして、内歯第１・第２７ライスエ具１，２テ各ヒン部
゛Ｐのウェブ側面３・４，５・６，７・８．９・１０．
１１・１２．１３・１４及び各ピン部Ｐ１〜Ｐ６を切削
加工する。Then, the web side surfaces 3, 4, 5, 6, 7, 8, 9, 10 of each hinge part ``P'' of the internal teeth 1st and 27th rice tools 1 and 2.
11, 12, 13, 14 and each pin part P1 to P6 are cut.
１５．１６は第１・第２レスト装υであり、第２・第４
軸受部Ｊ、、Ｊ、を支持している。15.16 are the first and second rest devices υ, and the second and fourth rest devices
It supports bearing parts J,, J,.
なお、第１−第２レスト装置＋５．＋ ６は第１・第２
７ライスエ具１，２がクランクシャフトｌの各加工箇所
へ割出されるに従って同じく割出しされて軸受部Ｊを支
持する。Note that the first-second rest devices +5. + 6 is the first and second
As the seven rice sweepers 1 and 2 are indexed to each processing location on the crankshaft l, they are similarly indexed to support the bearing portion J.
また、クランクシャツトイの回転動作と各々のフライス
工具１．２の送り動作１ｌ−１ＮＣ装置により同期駆動
されているものである。Further, the rotating operation of the crank shirt toy and the feeding operation of each milling tool 1.2 are synchronously driven by the NC device 1l-1.
なお、クランクシャツトイの回転は両端側のチャックα
、ａ′を回転駆動することによりなされる。The rotation of the crank shirt toy is controlled by the chuck α on both ends.
, a' are rotated.
次に切削加工方法の一実施例を説明する。Next, an example of a cutting method will be described.
まず、第１・第２フライス工具１，２の中心ビ、２′を
クランクシャツトイの中心Ａ′に合致させ、第１・第２
７ライスエ具１．２を第１・第４ピン部Ｐ、、Ｐ、ｖｃ
割出し位置決めしかつ第１・第２レスト装置１５．１６
を第２・第４軸受部Ｊ、 、 Ｊ、に割出し位置決めし
て第２・第４軸受部Ｊ、、Ｊ、を支持する。First, align the centers B and 2' of the first and second milling tools 1 and 2 with the center A' of the crank shirt toy, and
7 Rice tool 1.2 to the 1st and 4th pin parts P, , P, vc
Index positioning and first and second rest devices 15.16
are indexed and positioned to the second and fourth bearing parts J, , J, and support the second and fourth bearing parts J, , J.
この状態でクランクシャフトｌを停止させて第１７ライ
スエ具１を回転させながら垂直に」二方に移動して禎３
図（ａ） 、 （ｈ）に示すように第１ビン部１ノ１の
ウェブＯ１１而３，４を切削すると同時に、第２７ライ
スエ具２を時間遅れ又は第１７ライスエ具１より遅い速
度で垂直に下方に移動して第４ピンＭ；へのウェブ側面
９，１０の一部分９′。In this state, the crankshaft l is stopped and the 17th rice gear tool 1 is rotated and moved vertically in two directions.
As shown in FIGS. (a) and (h), at the same time as cutting the webs O11 and 3, 4 of the first bin part 1 no. a portion 9' of the web sides 9, 10 moving downwardly to the fourth pin M;
１０’を切削する。Cut 10'.
この後に、クランクシャフトｌを反時ｈ１方向（矢印方
向）に６０度面回転るとともに、クランクシャフトＡの
回転と同期させて第１７ライスエ具Ｉを下方に、＠２フ
ライス工具２を更に下方に移動して第４図（Ｃ）に示す
ように第４ピン部Ｉ％のウェブ側面９，１０の残りの部
分を第２７ライスエ具２で切削する。この時、第１フラ
イス工具１け第３図（Ｃ）のように、その中心ビがクラ
ンクシャフト中心Ａ′と一致した位Ｍ（つまり、原点位
置）となる。After this, the crankshaft L is rotated 60 degrees counterclockwise in the h1 direction (arrow direction), and in synchronization with the rotation of the crankshaft A, the 17th milling tool I is moved downward, and the @2 milling tool 2 is moved further downward. Then, as shown in FIG. 4(C), the remaining portions of the web side surfaces 9 and 10 of the fourth pin portion I% are cut by the 27th rice knife 2. At this time, as shown in FIG. 3(C) for the first milling tool, the center B of the first milling tool is at a position M (that is, the origin position) where it coincides with the crankshaft center A'.
切削終了後にクランクシャツトイを３６０度回転すると
ともに、クランクシャフトｌの回転と同期させて第１・
第２７ライスエ具１，２を上方・下方に移動させて第１
・第４ピン部Ｐ、 、 Ｐ。After cutting, the crank shirt toy is rotated 360 degrees, and the first
Move the 27th rice cooker 1 and 2 upwards and downwards and
・4th pin part P, , P.
して常時第１・第２フライス工具１，２の内歯と接触し
３６０度回転することで切削される。The cutting tools 1 and 2 are constantly in contact with the internal teeth of the first and second milling tools 1 and 2 and rotated 360 degrees to perform cutting.
以上が第１工程である。The above is the first step.
切削終了徒弟１・第２フライス工具１，２を原点位置に
後退するとともに、第１・第２レスト装置＋ ５ 、−
１６の第２・第４軸受部Ｊ、、Ｊ、の支持を解除する。After finishing the cutting, the apprentice 1 and the second milling tools 1 and 2 are moved back to their original positions, and the first and second rest devices + 5 and - are moved back to their original positions.
The support of the 16 second and fourth bearing parts J, , J, is released.
そして、第１・第２７ライスエ具１，２を割出し位置決
めして第５図に示すように第２・第５ピン部ハｇ ｈに
対向はせると共に、第１・第２レスト装置１５．１６を
第３・第５軸受部Ｊ８゜八に割出し位置決めして第３・
第５軸受部Ｊ、。Then, the first and twenty-seventh rest devices 1 and 2 are indexed and positioned so that they are opposed to the second and fifth pin parts h as shown in FIG. 16 to the third and fifth bearing parts J8°, and
Fifth bearing part J.
Ｊ、を支持する。I support J.
これと同時にクランクシャフトｌを反時計方向に６０度
面回転て第６図に示すように第２・第５ピン部Ｐｌ、八
が真上となるように回転割出し位置決めする。At the same time, the crankshaft 1 is rotated 60 degrees counterclockwise to rotate and index the position so that the second and fifth pin parts P1 and 8 are directly above, as shown in FIG.
この状態で、第１・第２７ライスエ具１９２を回転させ
ながら垂直に上方に移動して第７図・第８図に示すよう
に第２ビン部Ｐ２のウェブ側面５．６及び第５ピン部ハ
のウェブ側面Ｉ＋、＋２を第１及び第２７ライスエ具１
，２でそれぞれ切削する。In this state, the first and twenty-seventh rice sweepers 192 are rotated and moved vertically upward to form the web side surface 5.6 of the second bottle part P2 and the fifth pin part, as shown in FIGS. 7 and 8. The web sides I+ and +2 of
, 2, respectively.
切削終了後に前述と同様にクランクシャツトイの回転と
同期して第１・＠２フライス工具１゜２を下方に移動し
て第１及び第２フライス工具１．２で第２ピン部Ｐ２及
び第５ピン部Ｐ６をそれぞれ切削する。After the cutting is completed, the first and second milling tools 1.2 are moved downward in synchronization with the rotation of the crank shirt toy in the same manner as described above, and the first and second milling tools 1.2 are used to cut the second pin part P2 and the second pin part P2. Cut the 5-pin portion P6 respectively.
以上が第２工程である。The above is the second step.
切削終了徒弟１・第２７ライスエ具１９２を原点位置（
Ｃ後退するとともに、第１・第２レスト装置１５．１６
の第３・第５ψ＋ｉｔ受部Ｊ、 、 Ｊ、の支持を解除
する。Cutting completed Apprentice 1 Move the 27th rice tool 192 to the origin position (
As C moves backward, the first and second rest devices 15.16
Release the support of the 3rd and 5th ψ+it receiving parts J, , J,.
そして、第１・第２フライス工具１，２を割出し位置決
めして第９図に示すように第３・第６ピン部ＰｓＨＰ。Then, the first and second milling tools 1 and 2 are indexed and positioned, and the third and sixth pin parts PsHP are moved as shown in FIG.
に対向させると共に、第１・第２レスト装置ｔ！ ｌ
５ ｉ ｌ ６を第４・第６軸受部Ｊ４゜Ｊ、に割出し
位置決めして＠４・第６軸受部Ｊ４１Ｊ、を支持する。The first and second rest devices t! l
5 i l 6 is indexed and positioned to the 4th and 6th bearing parts J4°J, and the 4th and 6th bearing parts J41J are supported.
これと同時にクランクシャフトＡを反時計方向に１２０
度回転；−て第１０図に示すように第３・第４ピン部ｐ
、 、 ｐ４が真上となるように回転割出し位置決めす
る。At the same time, rotate crankshaft A counterclockwise by 120 degrees.
- degree rotation; as shown in Figure 10, the third and fourth pin parts p
, , Rotate and index so that p4 is directly above.
この状態でクランクシャツトイを停止させて第１７ライ
スエ具１を回転させながら垂直に上方に移動して第１１
図Ｃｒｔ） ｌ （ｈ）に示すように第３ピン部Ｐ８の
ウェブ側面７，８を切削すると同時に、第２７ライスエ
具２を時間遅れメは第１フライス工具１より遅い速度で
垂直に下方に移動して第１２図（ａ） 、 （ｂ）のよ
うに第６ピン部Ｐａのウェブ側面１３．１４の一部分＋
３’、Ｉ４’を切削する。In this state, stop the crank shirt toy, move the 17th rice tool 1 vertically upward while rotating it, and move the 11th
As shown in Figure Crt) l (h), at the same time as cutting the web side surfaces 7 and 8 of the third pin part P8, the 27th milling tool 2 is moved vertically downward at a slower speed than the first milling tool 1. As shown in FIGS. 12(a) and 12(b), a part of the web side surface 13.14 of the sixth pin portion Pa+
Cut 3' and I4'.
この後に、クランクシャツトイを詩計方向（矢印方向）
に６０度回転するとともに、クランクシャフトＡの回転
ど同期式せて第１７ライスエ具１を下方に、第２７ライ
スエ具２を更に下方に移動して第１２図（Ｃ）に示すよ
うに第６ピン部Ｐ、のウェブ側面１８．１４の残りの部
分を第２７ライスエ具２で切削する。この時、第１フラ
イス工具１け第１１図（Ｃ）のように、その中心１′が
クランクシャフト中心ｌ′と一致した位置（つまり、原
点位ｆｆｌ ）となる。After this, move the crank shirt toy in the direction of the arrow (in the direction of the arrow)
At the same time, in synchronization with the rotation of the crankshaft A, the 17th rice drive tool 1 is moved downward, and the 27th rice drive tool 2 is further moved downward, as shown in FIG. 12 (C). The remaining portion of the web side surface 18.14 of the pin portion P is cut with the 27th milling tool 2. At this time, as shown in FIG. 11(C) for the first milling tool, its center 1' is at a position coincident with the crankshaft center l' (that is, the origin position ffl).
切削終了後に前述と同様にクランクシャフトＡの回転と
同期して第１・第２７ライスエ具１゜２を下方に移動し
て第１及び第２７ライスエ貝１．２で第３ピン’ｔ￥＋
＋ ｐ、及び第６ピン部Ｐ、をそれぞれ切削する。After cutting, the first and 27th rice shells 1.2 are moved downward in synchronization with the rotation of the crankshaft A in the same manner as described above, and the third pin 't\+ is moved with the first and 27th rice shells 1.2.
+ p and the sixth pin portion P are cut.
以−ヒが第３工程である。This is the third step.
以上の様に、ウェブ側面は３回、ピン部は３回の加工動
作で切削でき、合計６回の少ない加工動作で６気筒エン
ジン用のクランクシャフトＡのウェブ側面・ピン部を切
削できる。As described above, the web side surface and pin portion can be cut in three machining operations, and the web side surface and pin portion of the crankshaft A for a six-cylinder engine can be cut in a total of six fewer machining operations.
なお、以上の第１・第２・第３工程は加工順序をどのよ
うにしても良い。つまり、第３工程→第２工程→第１工
程、第２工程→第３工稈→第１工程等の加工順次として
も良い。Note that the above first, second, and third steps may be carried out in any order. In other words, the processing order may be 3rd process → 2nd process → 1st process, 2nd process → 3rd culm → 1st process, etc.
なお、一方のフライス工具１．２をクランクシャフト中
心から一方にのみ移動させ、他方のフライス工具２，１
をクランクシャフト中心から両方向に移動きせるように
しても良い。Note that one milling tool 1.2 is moved only to one side from the center of the crankshaft, and the other milling tool 2.
may be moved in both directions from the center of the crankshaft.
本発明は以上の様になり、６気筒エンジン用のクランク
シャフトの各ウェブ側面及び各ピン部を少ない加工動作
でそれぞれ切削加工でき、クランクシャフトの切削加工
時間を短かくできる。With the present invention as described above, each web side surface and each pin portion of a crankshaft for a six-cylinder engine can be cut with a small number of processing operations, and the time required for cutting the crankshaft can be shortened.
図面は本発明の実施例を示すものであり、第１図はクラ
ンクシャフトの正面図、第２図は側面図、第３図〜第１
２図は切削加工動作のｆｌ！７．四囲である。
ｌはクランクシャフト、ＰＬ”Ｐａけ第１〜第６ピン部
、Ｉ、２け第１・第２７ライスエ具。
出願人 株式会社 小松製作所
代理人 弁理士 米 原 正 章
弁理士 浜 本 忠
で１１づ９−一つ。
・Ｚ 、・ 劉ｊ
第 ４ 図
第 ７ 図
第８図
第１１図
ハ、１
第１２図The drawings show an embodiment of the present invention, and FIG. 1 is a front view of the crankshaft, FIG. 2 is a side view, and FIGS.
Figure 2 is a fl of the cutting operation! 7. It is surrounded by four walls. l is the crankshaft, PL"Pa 1st to 6th pins, I, 2nd digits 1st and 27th rice gear. Applicant Komatsu Ltd. Representative Patent attorney Masaaki Yonehara Patent attorney Tadashi Hamamoto 11 zu9-one. ・Z 、・ Liu j Figure 4 Figure 7 Figure 8 Figure 11 C, 1 Figure 12
Claims (1)
部Ｐ、、Ｐ、と第２・第５ピン部ハ、ＰＷと第３・第４
ピン部ｐ、 、 ｐ、とが１２０度の位相差を有する６
気筒エンジン用のクランクシャツトイを切削加工する方
法において、前記クランクシャフトＡに沿って各ピン部
Ｐに割出し位置決め自在なる内爾第１−第２フライス工
具１，２を設け、クランクシャフトＡを停止した状態で
真上に位置する一方のピン部のウェブ側面を第１７ライ
スエ具１で切削しかつ斜め下方に位置する一方のピン部
のウェブ側面をクランクシャフトＡを所定角度だけ同転
させながら切削し、切削終了後にクランクシャフトＡの
回転と同期して第１・第２７ライスエ具１，２を送り動
作して前記ピン部をそれぞれ切削する第１及び第３工程
、クランクシャフトＡを停止した状態で真上に位置する
２つのピン部のウェブ側面を第１・第２７ライスエ具１
，２で切削し、切削終了後にクランクシャフトｌの回転
と同期して第１・１＠２フライス工具１．２を送り動作
して前記ピン部をそれぞれ切削する第２工程、とを備え
、クランクシャツトイを回転割出し位置決めすると同時
に第１・第２フライス工具１．２を所定ンクシャフトの
切削加工方法。The first to sixth pin parts P1 to P6 are provided, and the first and sixth pin parts P, , P, the second and fifth pin parts C, PW, and the third and fourth pin parts are provided.
The pin parts p, , p, have a phase difference of 120 degrees 6
In a method of cutting a crank shirt toy for a cylinder engine, first and second milling tools 1 and 2 are provided at each pin portion P along the crankshaft A and are indexable and positionable, and the crankshaft A is cut. While the machine is stopped, cut the web side surface of one pin located directly above with the 17th rice tool 1, and cut the web side surface of one pin located diagonally downward while simultaneously rotating the crankshaft A by a predetermined angle. After cutting, the first and 27th rice tools 1 and 2 are fed in synchronization with the rotation of the crankshaft A to cut the pin portions, respectively.The crankshaft A is stopped. In this state, the web sides of the two pin parts located directly above the 1st and 27th rice sweepers 1
, 2, and after the cutting is completed, the first and first @2 milling tools 1.2 are fed in synchronization with the rotation of the crankshaft l to cut the pin portions, respectively. A method of cutting a predetermined link shaft using first and second milling tools 1.2 while rotating and positioning a shirt toy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15610881A JPS5854924B2 (en) | 1981-10-02 | 1981-10-02 | Crankshaft cutting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15610881A JPS5854924B2 (en) | 1981-10-02 | 1981-10-02 | Crankshaft cutting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5859718A true JPS5859718A (en) | 1983-04-08 |
| JPS5854924B2 JPS5854924B2 (en) | 1983-12-07 |
Family
ID=15620479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15610881A Expired JPS5854924B2 (en) | 1981-10-02 | 1981-10-02 | Crankshaft cutting method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5854924B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6052128U (en) * | 1983-09-02 | 1985-04-12 | マツダ株式会社 | Automobile radiator support structure |
| JPS6046335U (en) * | 1983-09-02 | 1985-04-01 | マツダ株式会社 | Automobile radiator support structure |
| JPS6078619U (en) * | 1983-11-04 | 1985-06-01 | トヨタ自動車株式会社 | Radiator support device |
| JPS60156028U (en) * | 1984-03-29 | 1985-10-17 | 東海ゴム工業株式会社 | Radiator upper mount |
-
1981
- 1981-10-02 JP JP15610881A patent/JPS5854924B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5854924B2 (en) | 1983-12-07 |
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