| 摘要 |
PROBLEM TO BE SOLVED: To provide a surface processing tool for repairing a cavity on a surface of a casting capable of removing an excessive thickness part accumulated on a tool surface. SOLUTION: The surface processing tool 1 for processing an inner peripheral face C<SB>S</SB>of the casting C having a cylindrical part is provided with a body part 2 rotating around a rotational axis X and being advanced in an axis direction, a pressing projection 3 projecting from the body part 2 and having an ironing face 32a inclined with respect to the inner peripheral face C<SB>S</SB>and facing the forward face of a rotating direction and a pressing end part 3p positioned at an front end of the ironing face 32a to press the inner peripheral face C<SB>S</SB>, and a contact projection 4 projecting from the body part 2 in a back side in a forwarding direction more than the pressing projection 3 and having a cutting face 42a inclined more than the ironing face 32a, and a contact end part 4p positioned at a front end of the cutting face 42a and brought into contact with the inner peripheral face C<SB>S</SB>after the pass of the pressing projection 3. The rotating body part 2 is advanced in the axis direction in the cylindrical part and the excessive thickness part M accumulated on the ironing face 32a of the pressing projection 3 is cut by the contact projection 4. COPYRIGHT: (C)2010,JPO&INPIT |
