摘要 |
<p>PROBLEM TO BE SOLVED: To reduce manufacturing cost and to facilitate the assembly of a cam unit with the cam slider in the cum unit such as a horizontal cam unit, hanging cam unit and inclined cam unit in a press die for bending the edge parts of a body frame for automotive use. SOLUTION: This slider is the cam slider 3 in the cam unit which is mounted on a fixed die and a movable die and used for working formed articles. On this cam slider 3, an elastic member 13 for returning the cam slider, which is moved by cam action, to the home position and reaction force members 5, 11 against the elastic member 13 are provided.</p> |