JPH01120206U - - Google Patents
Info
- Publication number
- JPH01120206U JPH01120206U JP1658588U JP1658588U JPH01120206U JP H01120206 U JPH01120206 U JP H01120206U JP 1658588 U JP1658588 U JP 1658588U JP 1658588 U JP1658588 U JP 1658588U JP H01120206 U JPH01120206 U JP H01120206U
- Authority
- JP
- Japan
- Prior art keywords
- curved surface
- machining
- data
- calculating
- cutting edge
- 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
- 238000003754 machining Methods 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 claims 4
- 238000013500 data storage Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
Landscapes
- Numerical Control (AREA)
Description
第１図は本考案の具体的な一実施例に係るＮＣ
データ作成装置を示した構成図。第２図は曲面デ
ータを説明する説明図。第３図は本考案の作用を
説明する説明図。第４図は実施例装置で使用され
たＭＰＵの処理手順を示したフローチヤート。第
５図は作成されたＮＣデータを示す説明図。第６
図は従来の切削方法による欠点を説明する説明図
である。
Ｗ…工作物、Ｗａ…加工曲面、Ｘ１，…Ｘｎ…
パツチ、Ｔ…工具、Ｄ…加工軌跡、２０…工作機
械、２４…主軸ヘツド、２６…主軸、ＳＭ…主軸
モータ。
FIG. 1 shows an NC according to a specific embodiment of the present invention.
FIG. 2 is a configuration diagram showing a data creation device. FIG. 2 is an explanatory diagram for explaining curved surface data. FIG. 3 is an explanatory diagram illustrating the operation of the present invention. FIG. 4 is a flowchart showing the processing procedure of the MPU used in the embodiment device. FIG. 5 is an explanatory diagram showing the created NC data. 6th
The figure is an explanatory diagram illustrating the drawbacks of the conventional cutting method. W...workpiece, Wa...machined curved surface, X1,...Xn...
Patch, T...Tool, D...Machining path, 20...Machine tool, 24...Spindle head, 26...Spindle, SM...Spindle motor.
Claims (1)
状の刃先部を形成した工具により曲面を加工する
ＮＣデータの作成装置において、 加工曲面を特定する曲面データを記憶した曲面
データ記憶手段と、 前記曲面データ記憶手段により記憶された曲面
データから加工曲面上にとられた加工軌跡上の各
点における加工曲面の法線方向を演算する法線演
算手段と、 前記法線演算手段により演算された前記法線方
向と前記工具の刃先部半径とから、前記刃先部の
前記加工面に対する接点の回転半径を演算する回
転半径演算手段と、 前記回転半径演算手段により演算された前記回
転半径に基づいて、前記刃先部の前記接点におけ
る切削速度が加工位置に関係なく一定値となるよ
うな工具の回転速度を演算する回転速度演算手段
と、 前記加工軌跡と前記回転速度演算手段により演
算された加工軌跡上の各点における回転速度とか
らＮＣデータを作成するＮＣデータ作成手段と を有することを特徴とするＮＣデータ作成装置
。[Claims for Utility Model Registration] In an NC data creation device for machining a curved surface using a tool having a spherical cutting edge at the tip of a columnar member that rotates around a central axis, curved surface data that specifies the processed curved surface is stored. a curved surface data storage means for storing the curved surface; a normal calculating means for calculating the normal direction of the machining curved surface at each point on the machining trajectory taken on the machining curved surface from the curved surface data stored by the curved surface data storing means; a rotation radius calculation means for calculating a rotation radius of a point of contact of the cutting edge with the machining surface from the normal direction calculated by the line calculation means and the radius of the cutting edge of the tool; a rotational speed calculation means for calculating a rotational speed of the tool such that the cutting speed at the contact point of the cutting edge part is a constant value regardless of the machining position, based on the rotational radius; and the machining trajectory and the rotational speed calculation means. An NC data creation device comprising: NC data creation means for creating NC data from the rotational speed at each point on a machining trajectory calculated by the means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1658588U JPH01120206U (en) | 1988-02-10 | 1988-02-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1658588U JPH01120206U (en) | 1988-02-10 | 1988-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01120206U true JPH01120206U (en) | 1989-08-15 |
Family
ID=31229648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1658588U Pending JPH01120206U (en) | 1988-02-10 | 1988-02-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01120206U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6020838A (en) * | 1983-07-15 | 1985-02-02 | Hitachi Ltd | Cutting speed control method for numerically controlled machine tools |
-
1988
- 1988-02-10 JP JP1658588U patent/JPH01120206U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6020838A (en) * | 1983-07-15 | 1985-02-02 | Hitachi Ltd | Cutting speed control method for numerically controlled machine tools |
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