CPC B23C 3/13 (2013.01) [B23C 3/002 (2013.01); B23C 3/16 (2013.01); B23C 2215/04 (2013.01); B23C 2270/08 (2013.01); B23Q 3/064 (2013.01); B23Q 3/065 (2013.01)] | 9 Claims |
1. A machining method for machining a machining target material by using a tool, the machining target material being set in a jig,
wherein the machining target material includes a web part and a flange part,
the web part has an arc shape including a first edge having a first arc shape and a second edge having a second arc shape substantially parallel to the first edge, wherein the first and second arc shapes extend within a common plane, and
the flange part is bent and arranged perpendicularly to the common plane from the first edge of the web part,
wherein the tool includes an end cutting edge and a peripheral cutting edge, and
wherein the jig includes a supporting surface on which the web part is placed and a contacting surf ace with which the flange part comes into surface contact,
the machining method comprising:
a pressing step of pressing the flange part against the contacting surface;
a flange cutting step of cutting the flange part by the peripheral cutting edge of the tool by feeding the tool in an arc direction of the arc shape; and
a web cutting step of cutting the web part by the end cutting edge of the tool by feeding the tool in the arc direction,
wherein the web cutting step includes cutting the web part with a plurality of paths.
|