US 6,981,437 B2 | ||
Pipe cutting machine | ||
Gen Ogawa, Chiryu (Japan) | ||
Assigned to Fuji Machine Mfg. Co., Ltd., Chiryu (Japan) | ||
Filed on Oct. 27, 2004, as Appl. No. 10/973,434. | ||
Claims priority of application No. 2003-371622 (JP), filed on Oct. 31, 2003. | ||
Prior Publication US 2005/0115371 A1, Jun. 02, 2005 | ||
Int. Cl. B23B 5/14 (2006.01) |
U.S. Cl. 82—70.2 | 18 Claims |
1. A pipe cutting machine having a clamping device for holding a pipe to be cut and a pipe cutting apparatus for cutting the
pipe by revolving a rotating disc-like cutting blade around the circumferential surface of the pipe held by the clamping device,
the pipe cutting apparatus comprising:
a main frame;
a support member secured to the main frame;
a revolution motion member of an annular shape rotatably supported by the support member;
an arm pivotally supported on one side surface of the revolution motion member at one end thereof and rotatably carrying the
cutting blade at the other end thereof;
a swing motion member of an annular shape rotatably supported by the support member in axial alignment with the revolution
motion member for swinging the arm;
a rotation motion member of an annular shape rotatably supported by the support member in axial alignment with the revolution
motion member for rotating the cutting blade;
plural motors mounted on the main frame for respectively rotating the revolution motion member, the swing motion member and
the rotation motion member; and
plural rotation transmission mechanisms for transmitting rotational drive powers from the plural motors respectively to the
revolution motion member, the swing motion member and the rotation motion member.
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