JP2001157946A - Machining method of work having inclined cylindrical surface - Google Patents
Machining method of work having inclined cylindrical surfaceInfo
- Publication number
- JP2001157946A JP2001157946A JP34303199A JP34303199A JP2001157946A JP 2001157946 A JP2001157946 A JP 2001157946A JP 34303199 A JP34303199 A JP 34303199A JP 34303199 A JP34303199 A JP 34303199A JP 2001157946 A JP2001157946 A JP 2001157946A
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- axis
- spindle
- work
- tool
- tool holder
- Prior art date
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、旋盤におけるワ
ークの加工方法に関するもので、第１の部分と中心軸が
第１の部分の軸線に対して傾斜している円筒面を備えた
第２の部分とを備えたワークの加工方法に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of machining a workpiece on a lathe, and more particularly, to a second portion having a first portion and a cylindrical surface whose central axis is inclined with respect to the axis of the first portion. The present invention relates to a method of processing a work having a portion.
【０００２】[0002]
【従来の技術】一部の管継手やニップルには図４に示す
ように、先端部（第２の部分）の中心軸２０が基部（第
１の部分）９の軸線２１に対してある角度Ａをなしてい
る形状のものがある。この種のワークは、先端部１４及
び基部９が円筒を主体とした形状であり、旋盤で加工す
べきワークであるが、先端部と基部とで中心軸の方向が
異なるため、たとえ２主軸対向型のタレット旋盤を用い
ても、素材から完成品まで一工程で加工することは不可
能である。2. Description of the Related Art As shown in FIG. 4, some pipe joints and nipples have a center axis 20 at a distal end (second part) at an angle with respect to an axis 21 of a base (first part) 9. A shape is available. This type of work is a work to be machined by a lathe, in which the tip portion 14 and the base portion 9 have a cylindrical shape as a main body, but since the direction of the center axis is different between the tip portion and the base portion, even if two main shafts are opposed to each other. Even using a mold turret lathe, it is impossible to process from raw material to finished product in one process.
【０００３】従来この種のワークは旋盤で基部９を加工
したあと、縦形旋盤やマシニングセンタにインデックス
テーブルを取付け、このインデックステーブルで加工済
のワークの基部を保持して先端部１４の軸線を工作機械
の主軸方向に割り出して、先端部の加工を行っていた。Conventionally, this kind of work is such that a base 9 is machined by a lathe, an index table is attached to a vertical lathe or a machining center, and the base of the machined work is held by the index table and the axis of the tip 14 is machined by a machine tool. In the direction of the main axis, and processing of the tip was performed.
【０００４】[0004]
【発明が解決しようとする課題】しかし上記従来方法で
は、素材から完成を得るのに２工程を必要し、第１工程
と第２工程とで使用する工作機械の種類が異なり、しか
も第２工程では、インデックステーブルにワークの基部
を固定するための治具を必要とするので、第１工程と第
２工程との間に仕掛り在庫が発生し、治具へのワークの
取付けに手数がかかり、一貫作業ができないために、先
端部と基部の軸線が一致しているストレート型のものに
比べて生産性が大幅に低下するという問題があった。However, in the above-mentioned conventional method, two steps are required to obtain a completed material, and the types of machine tools used in the first step and the second step are different. Then, since a jig for fixing the base of the work to the index table is required, a work-in-process is generated between the first step and the second step, and it takes time to attach the work to the jig. However, since the integrated work cannot be performed, there is a problem that the productivity is greatly reduced as compared with the straight type in which the axis of the tip part and the axis of the base part coincide.
【０００５】この発明は、旋盤の主軸に対して傾斜した
中心軸を有する円筒面を加工する方法を提供することに
より、上述した形状のワークのように、基部ないし主要
部の軸線に対して傾斜している円筒面を一部に備えたワ
ークを能率良く加工可能にすることを課題としている。The present invention provides a method for machining a cylindrical surface having a central axis inclined with respect to the main axis of a lathe, thereby providing a method of machining a cylindrical surface having a central axis inclined with respect to the axis of a base or a main part, such as a workpiece having the above-mentioned shape. It is an object of the present invention to make it possible to efficiently process a workpiece partially having a cylindrical surface.
【０００６】[0006]
【課題を解決するための手段】この発明によるワークの
加工は、主軸の回転を固定する固定手段と、刃物の切込
み送り方向（Ｘ軸方向）及び切込み送り直角方向（Ｙ軸
方向）の位置をＮＣ装置によって制御されるタレット等
の工具ホルダであって、回転軸を主軸軸線１９に対して
傾斜角Ａで交差する方向にして回転工具を保持すること
が可能な工具ホルダとを備えた旋盤を用いて行われる。
旋盤の工具ホルダには、周面に切刃を有するミーリング
カッタ１１を装着し、主軸チャックにワークを把持して
主軸を固定し、回転工具を回転させつつ工具ホルダの切
込み送り方向位置ｘと送り直角方向位置ｙとを三角関数
を含む演算式で相互に関連させて制御することにより、
ワークの傾斜円筒面を加工する。In the machining of a workpiece according to the present invention, a fixing means for fixing the rotation of a main shaft and a position of a blade in a cutting feed direction (X-axis direction) and a cutting feed perpendicular direction (Y-axis direction) are used. A lathe provided with a tool holder such as a turret controlled by an NC device, the tool holder being capable of holding a rotary tool with a rotation axis intersecting a main shaft axis 19 at an inclination angle A; It is performed using.
The milling cutter 11 having a cutting edge on the peripheral surface is mounted on the tool holder of the lathe, the workpiece is gripped by the spindle chuck, the spindle is fixed, and while the rotary tool is rotated, the cutting feed direction position x of the tool holder and the feed are set. By controlling the orthogonal position y in relation to each other by an arithmetic expression including a trigonometric function,
Machining the inclined cylindrical surface of the work.
【０００７】上記の加工を少なくとも一方の主軸側で行
なうことができる２主軸対向旋盤、すなわち、同一軸線
上で対向する２本の主軸と、少なくとも一方の主軸の回
転を固定する固定手段と、当該一方の主軸と共同してワ
ークを加工する刃物の切込み送り方向（Ｘ軸方向）及び
切込み送り直角方向（Ｙ軸方向）の位置をＮＣ装置によ
って制御されかつ回転軸を主軸軸線１９に対して傾斜角
Ａで交差する方向にして回転工具を保持することが可能
な工具ホルダとを備えた旋盤を用いれば、傾斜円筒面を
備えたワークを素材から完成品ま同一機械上で加工する
ことが可能である。A two-spindle opposed lathe capable of performing the above-mentioned machining on at least one of the spindles, that is, two spindles facing each other on the same axis, fixing means for fixing the rotation of at least one spindle, The position of the blade for machining a work in cooperation with one of the main spindles in the cutting feed direction (X-axis direction) and the cutting feed perpendicular direction (Y-axis direction) is controlled by the NC device, and the rotation axis is inclined with respect to the main axis 19. By using a lathe equipped with a tool holder capable of holding a rotating tool in the direction intersecting at the angle A, it is possible to process a workpiece having an inclined cylindrical surface from a raw material to a finished product on the same machine. It is.
【０００８】この場合に加工は、前記工具ホルダに周面
に切刃を有するミーリングカッタ１１を装着し、前記一
方の主軸と対向する他方の主軸で把持したワークの第１
の部分を加工したあと、加工済の第１の部分を把持して
ワークを前記一方の主軸に受け渡し、前記一方の主軸の
回転を固定して前記回転工具を回転させつつ工具ホルダ
の切込み送り方向位置ｘと送り直角方向位置ｙとを三角
関数を含む演算式で相互に関連させて制御することによ
りワークの第２の部分を加工するという方法で行われ
る。In this case, the machining is performed by mounting a milling cutter 11 having a cutting edge on the peripheral surface of the tool holder and holding the milling cutter 11 with the other main spindle opposed to the one main spindle.
After the first part is processed, the processed first part is gripped, the workpiece is transferred to the one main spindle, the rotation of the one main spindle is fixed, and the rotary tool is rotated while the cutting feed direction of the tool holder is performed. The second portion of the workpiece is machined by controlling the position x and the position x in the direction perpendicular to the feed direction in relation to each other by an arithmetic expression including a trigonometric function.
【０００９】[0009]
【発明の実施の形態】以下２主軸対向旋盤を用いて、図
４に例示したワークを加工する場合を例にして、この発
明の実施形態について説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to an example in which a work illustrated in FIG. 4 is processed using a two-spindle opposed lathe.
【００１０】図３は２主軸対向旋盤を模式的に示した平
面図で、同一軸線上で対向する第１主軸１と第２主軸２
とを備えており、各主軸の対向端に第１チャック３と第
２チャック４とが装着されている。オペレータから見て
各主軸の奥側には第１刃物台５と第２刃物台６とが配置
されており、各刃物台の対向端側に第１タレット７及び
第２タレット８が装着されている。FIG. 3 is a plan view schematically showing a two-spindle opposed lathe, in which a first spindle 1 and a second spindle 2 opposing each other on the same axis.
And a first chuck 3 and a second chuck 4 are mounted on opposite ends of each spindle. A first turret 5 and a second turret 6 are disposed on the back side of each spindle as viewed from the operator, and a first turret 7 and a second turret 8 are mounted on opposite end sides of each turret. I have.
【００１１】第１刃物台５は主軸方向（Ｚ軸方向）及び
主軸直角方向（Ｘ軸方向）に移動位置決めが可能で、第
１主軸と共同してワークの基部９側の加工を行う。第２
主軸２は主軸方向に移動位置決めが可能で、第１主軸側
での加工が終了したワークは、第２主軸が第１主軸側に
移動して、各チャックの開閉により、ワークを掴み変え
ることによって第２主軸方に受け渡される。第２刃物台
６はＸ軸方向にのみ移動可能で、第２主軸２のＺ軸方向
移動と共同してワークの加工を行う。第２タレット８
は、第２刃物台６にＹ軸方向（Ｘ軸及びＺ軸と直交する
方向）に移動位置決め可能に装着されている。The first tool rest 5 can be moved and positioned in the main axis direction (Z-axis direction) and the direction perpendicular to the main axis (X-axis direction), and works with the first main axis on the base 9 side of the work. Second
The main spindle 2 can be moved and positioned in the main spindle direction, and the work which has been processed on the first main spindle side is moved by the second main spindle to the first main spindle side, and by opening and closing each chuck, the work is grasped and changed. Delivered to the second spindle. The second tool rest 6 is movable only in the X-axis direction, and works the workpiece in cooperation with the movement of the second spindle 2 in the Z-axis direction. 2nd turret 8
Is mounted on the second tool rest 6 so as to be movable and positioned in the Y-axis direction (a direction orthogonal to the X-axis and the Z-axis).
【００１２】第２タレット８には、その回転工具取付ス
テーションの一箇所に内蔵された傘歯車や自在継手等に
よって工具軸の方向を変換するアダプタ１０が装着され
ており、周面に切刃を有するボールエンドミル１１がア
ダプタ１０を介して装着されている。図のアダプタ１０
は、タレット８の接線方向のピン１２回りに傾動可能で
かつその傾動角を固定可能にした回転工具ホルダ１３を
備えており、ワークの基部に対する先端部の傾斜角に応
じてボールエンドミル１１の方向を設定できるようにな
っている。主軸に対するボールエンドミル１１の傾斜角
は、ワークの基部９に対する先端部１４の傾斜角Ａに設
定する。第１タレット７及び第２タレット８の他の工具
取付ステーションには、加工に必要なバイト１５、１６
その他の刃物が装着されることは、もちろんである。The second turret 8 is provided with an adapter 10 for changing the direction of the tool axis by means of a bevel gear, a universal joint or the like built in one place of the rotary tool mounting station. Ball end mill 11 is mounted via an adapter 10. Adapter 10 shown
Is provided with a rotary tool holder 13 capable of tilting around a pin 12 in the tangential direction of the turret 8 and having a fixed tilting angle, and the direction of the ball end mill 11 according to the tilt angle of the tip end portion with respect to the base of the work. Can be set. The inclination angle of the ball end mill 11 with respect to the main shaft is set to the inclination angle A of the tip end portion 14 with respect to the base 9 of the work. Other tool setting stations for the first turret 7 and the second turret 8 include cutting tools 15, 16 necessary for machining.
It goes without saying that other blades are mounted.
【００１３】次に図１及び図３を参照して、ワークの加
工方法を説明する。素材１７は図示しないローダによっ
て第１チャック３に装着される。第１チャックに装着さ
れた素材１７は、第１タレット７に装着されたバイト１
５により基部９が加工され、更に先端部側が先端部の傾
斜角Ａに等しい角度の円錐面に加工される。次にワーク
は第２チャック４に受け渡される。第２チャック４は、
第１チャック側で加工されたワークの基部９を把持す
る。Next, a method of processing a work will be described with reference to FIGS. The raw material 17 is mounted on the first chuck 3 by a loader (not shown). The material 17 mounted on the first chuck is the cutting tool 1 mounted on the first turret 7.
The base 9 is machined by 5 and the front end side is machined into a conical surface having an angle equal to the inclination angle A of the front end. Next, the work is transferred to the second chuck 4. The second chuck 4
The base 9 of the processed work is gripped on the first chuck side.
【００１４】第２チャック側に受け渡されたワークは、
素材の第１チャックで把持されていた部分の旋削加工を
行ったあと、第２主軸の回転を固定し、第２タレットに
装着したボールエンドミル１１をワーク側に割り出して
先端部１４の加工を行う。The work delivered to the second chuck is
After turning the portion of the material that has been gripped by the first chuck, the rotation of the second spindle is fixed, and the ball end mill 11 mounted on the second turret is indexed toward the workpiece and the tip portion 14 is processed. .
【００１５】先端部１４の加工は、第２タレット８のＸ
軸方向移動とＹ軸方向移動とを所定の関係式に従って関
連付けて行うことにより実行される。以下はその加工を
実行するための加工プログラムの一例を示したもので、
先端部側の円周３６０度を１度刻みに第２タレットのＸ
軸方向位置とＹ軸方向位置とを計算し、その計算値に従
って第２タレット８を移動させることによって、先端部
１４が加工される。The processing of the tip portion 14 is performed by using the X of the second turret 8.
This is executed by associating the axial movement and the Y-axis movement in accordance with a predetermined relational expression. The following shows an example of a machining program for executing the machining.
X of the second turret at 360 ° circumference on the tip side
By calculating the axial position and the Y-axis position and moving the second turret 8 in accordance with the calculated values, the tip portion 14 is processed.
【００１６】加工プログラム例 主軸中心に対して任意の角度Ａをなす直径Ｂの円筒面
（図１参照）を直径Ｃのボールエンドミル１１でＺ軸方
向の移動なしに加工する。加工開始位置を０度とし、１
度ごとにＸ座標とＹ座標を計算し、工具が一周すること
により直径Ｂの円筒面を削り出す。Ｘ軸座標ｘ及びＹ軸
座標ｙはそれぞれ ｘ＝２＊((Ｂ／２)＋Ｄ＋(Ｃ／２))／cosＡ ＊ cosθ ｙ＝((Ｂ／２)＋Ｄ＋(Ｃ／２))＊ sinθ である。ここで、Ａは主軸に対する円筒面の中心の角
度、Ｂは円筒面の直径、Ｃは加工工具の直径、Ｄは仕上
げ加工用の取り代（Ｄを０とすれば、ボスの仕上がり寸
法となる）、θはインクリメンタルでの角度である。Processing Program Example A cylindrical surface having a diameter B and an arbitrary angle A with respect to the center of the spindle (see FIG. 1) is processed by a ball end mill 11 having a diameter C without movement in the Z-axis direction. Set the machining start position to 0 degree and 1
An X coordinate and a Y coordinate are calculated for each degree, and a cylindrical surface having a diameter B is cut out by the tool making one round. The X-axis coordinate x and the Y-axis coordinate y are x = 2 * ((B / 2) + D + (C / 2)) / cosA * cosθ y = ((B / 2) + D + (C / 2)) * sinθ is there. Here, A is the angle of the center of the cylindrical surface with respect to the main axis, B is the diameter of the cylindrical surface, C is the diameter of the working tool, D is the machining allowance for finishing (if D is 0, the finished dimension of the boss). ) And θ are incremental angles.
【００１７】加工工具を加工開始位置に移動させた後、
以下のプログラムを実行すると先端部の円筒面が加工さ
れる。 Ｎ１０ ＃１０１＝＃２／２＋＃７＋＃３／２ ＃１００＝＃１０１／ｃｏｓ[＃１］ ＃１０３＝０ ＃１０４＝＃１１＊＃４ Ｎ２０ ＷＨＩＬＥ［ＡＢＳ［＃１０３］ＬＥ３６０．０］ＤＯ１ ＃１１０＝２＊＃１００＊ｃｏｓ［＃１０３］ ＃１１１＝＃１０１＊ｓｉｎ［＃１０３］ Ｇ９８Ｇ０１Ｘ＃１１０Ｙ＃１１１Ｆ＃９ ＃１０３＝＃１０３＊＃１０４ ＥＮＤ１After moving the machining tool to the machining start position,
When the following program is executed, the cylindrical surface at the tip is machined. N10 # 101 = # 2/2 + # 7 + # 3/2 # 100 = # 101 / cos [# 1] # 103 = 0 # 104 = # 11 * # 4 N20 WHILE [ABS [# 103] LE360.0] DO1 # 110 = 2 * # 100 * cos [# 103] # 111 = # 101 * sin [# 103] G98G01X # 110Y # 111F # 9 # 103 = # 103 * # 104 END1
【００１８】マクロ変数番号と設定データ内容との対応
は、＃１が主軸に対する円筒面の角度Ａ、＃２が円筒面
の径Ｂ、＃３が加工工具の直径Ｃ、＃４がインクリメン
タルでの角度指令（１）、＃７が仕上げ加工用取り代
Ｄ、＃９が工具送りＦ、＃１１が旋削方向（＋１が右回
り、−１が左回り）である。The correspondence between the macro variable numbers and the contents of the setting data is as follows: # 1 is the angle A of the cylindrical surface with respect to the spindle, # 2 is the diameter B of the cylindrical surface, # 3 is the diameter C of the machining tool, and # 4 is the incremental value. Angle command (1), # 7 is the machining allowance D, # 9 is the tool feed F, and # 11 is the turning direction (+1 is clockwise, -1 is counterclockwise).
【００１９】上記プログラムは、ワークの先端部の直径
Ｂの円筒部を加工する例であるが、ボールエンドミル１
１の先端部分の切刃を用いて、先端部１４の先端の平面
１８や円錐面、回転放物面などの種々の形状の加工を行
うことができる。The above program is an example of processing a cylindrical portion having a diameter B at the tip of a work.
By using the cutting edge of the tip portion, processing of various shapes such as the flat surface 18, the conical surface, and the paraboloid of revolution of the tip portion 14 can be performed.
【００２０】上記のようにこの発明の方法によれば、 １．素材から完成品まで同一機械上の一連の工程で加工
でき、仕掛り在庫がなくなる。 ２．２主軸対向旋盤と工具タレットのＹ軸制御の組み合
わせにより、インデックステーブルや特殊なクランプ治
具を使わずに、２次加工を含む完成品までの加工が可能
となる。 という利点がある。According to the method of the present invention as described above: From raw materials to finished products can be processed in a series of processes on the same machine, eliminating in-process inventory. 2.2 Combination of the main spindle facing lathe and the Y-axis control of the tool turret enables machining to a finished product including secondary machining without using an index table or a special clamping jig. There is an advantage.
【図１】この発明の加工方法を模式的に示す説明図FIG. 1 is an explanatory view schematically showing a processing method of the present invention.
【図２】実施例の加工方法における加工手順とワーク形
状を示す説明図FIG. 2 is an explanatory view showing a processing procedure and a workpiece shape in the processing method of the embodiment.
【図３】２主軸対向旋盤の模式的な平面図FIG. 3 is a schematic plan view of a two-spindle opposed lathe.
【図４】加工されるワークの一例を示す模式的な斜視図FIG. 4 is a schematic perspective view showing an example of a workpiece to be processed.
11 ボールエンドミル 19 主軸軸線 Ａ 傾斜角 ｘ 切込み送り方向位置 ｙ 送り直角方向位置 11 Ball end mill 19 Main shaft axis A Inclination angle x Depth of feed direction y Position of feed at right angles
Claims (2)
の切込み送り方向及び切込み送り直角方向の位置をＮＣ
装置によって制御されかつ回転軸を主軸軸線(19)に対し
て傾斜角(A)で交差する方向にして回転工具を保持する
工具ホルダとを備えた旋盤を用い、前記工具ホルダに周
面に切刃を有するミーリングカッタ(11)を装着し、主軸
を固定し、回転工具を回転させつつ工具ホルダの切込み
送り方向位置(x)と送り直角方向位置(y)とを三角関数を
含む演算式で相互に関連させて制御することを特徴とす
る、傾斜円筒面を有するワークの加工方法。1. A fixing means for fixing the rotation of a main shaft, and the position of a cutting tool in a cutting feed direction and a cutting feed perpendicular direction is set to NC.
A lathe provided with a tool holder controlled by the apparatus and having a rotary axis in a direction intersecting the spindle axis (19) at an inclination angle (A), and a tool holder for holding a rotary tool; A milling cutter (11) having a blade is mounted, the main spindle is fixed, and the cutting feed direction position (x) and the feed orthogonal direction position (y) of the tool holder are rotated while rotating the rotary tool by an arithmetic expression including a trigonometric function. A method for machining a workpiece having an inclined cylindrical surface, wherein the method is controlled in relation to each other.
なくとも一方の主軸の回転を固定する固定手段と、当該
一方の主軸と共同してワークを加工する刃物の切込み送
り方向及び切込み送り直角方向の位置をＮＣ装置によっ
て制御されかつ回転軸を主軸軸線(19)に対して傾斜角
(A)で交差する方向にして回転工具を保持する工具ホル
ダとを備えた旋盤を用い、前記工具ホルダに周面に切刃
を有するミーリングカッタ(11)を装着し、前記一方の主
軸に対向する主軸でワークを把持してワークの第１の部
分を加工したあと、加工済の第１の部分を把持してワー
クを前記一方の主軸に受け渡し、前記一方の主軸の回転
を固定して前記回転工具を回転させつつ工具ホルダの切
込み送り方向位置(x)と送り直角方向位置(y)とを三角関
数を含む演算式で相互に関連させて制御することにより
ワークの第２の部分を加工することを特徴とする、傾斜
円筒面を有するワークの加工方法。2. Two main spindles facing each other on the same axis, fixing means for fixing the rotation of at least one of the main spindles, and a cutting feed direction and a cutting feed of a blade for processing a workpiece in cooperation with the one main spindle. The position in the perpendicular direction is controlled by the NC device and the rotation axis is inclined with respect to the main axis (19).
(A) using a lathe provided with a tool holder for holding a rotating tool in the direction intersecting, mounting a milling cutter (11) having a cutting edge on the peripheral surface to the tool holder, facing the one spindle After gripping the work with the main spindle and processing the first part of the work, the processed first part is gripped and the work is transferred to the one main spindle, and the rotation of the one main spindle is fixed to fix the rotation. Machining the second part of the work by controlling the cutting feed direction position (x) and the feed perpendicular direction position (y) of the tool holder in relation to each other by an arithmetic expression including a trigonometric function while rotating the rotary tool A method of processing a work having an inclined cylindrical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34303199A JP2001157946A (en) | 1999-12-02 | 1999-12-02 | Machining method of work having inclined cylindrical surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34303199A JP2001157946A (en) | 1999-12-02 | 1999-12-02 | Machining method of work having inclined cylindrical surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001157946A true JP2001157946A (en) | 2001-06-12 |
Family
ID=18358411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34303199A Pending JP2001157946A (en) | 1999-12-02 | 1999-12-02 | Machining method of work having inclined cylindrical surface |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001157946A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430899A (en) * | 2011-11-04 | 2012-05-02 | 昌河飞机工业（集团）有限责任公司 | Numerical control machining method for support parts |
| CN107363547A (en) * | 2017-08-08 | 2017-11-21 | 江西震恒实业有限公司 | Numerical control high-precision car, rolling all-in-one |
| CN108405882A (en) * | 2017-01-20 | 2018-08-17 | 株式会社捷太格特 | Cutting working method and cutting apparatus |
-
1999
- 1999-12-02 JP JP34303199A patent/JP2001157946A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430899A (en) * | 2011-11-04 | 2012-05-02 | 昌河飞机工业（集团）有限责任公司 | Numerical control machining method for support parts |
| CN108405882A (en) * | 2017-01-20 | 2018-08-17 | 株式会社捷太格特 | Cutting working method and cutting apparatus |
| CN107363547A (en) * | 2017-08-08 | 2017-11-21 | 江西震恒实业有限公司 | Numerical control high-precision car, rolling all-in-one |
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