| 摘要 |
PURPOSE:To automate the motion to equip with the necessary groove upwards by ascending the metal die from a frame by rocking a rocking member, by turning the metal die by driving a transmission member, thereafter by descending the metal die on the frame by rocking the rocking member in the reverse direction. CONSTITUTION:In case of using the V-shaped groove 7a or 7b with the peripheral face 6a, a metal die 5 is set up on the upper part frame 3, the lower part frame 2 is moved in the right and left direction with the motion of a fluid pressure cylinder and the using V-shaped groove is located just under the upper die 8. In case of using the V-shaped groove 7c or 7d with the peripheral face 6b, the metal die 5 is descended by turning the metal die 5 180 deg. in clockwise direction around the center shaft 12 by operating the fluid pressure cylinder 17 and by rocking the rocking member 11 in counterclockwise direction by operating the cylinder 13 in the reverse direction. The metal die 5 is set up on the upper part frame 3 and on the upper face of the metal die 5 the peripheral face 6b is located. In this way the work sheet is bent by pinching it between the V groove 7a-7d located just under the upper die 8 and the upper die 8.
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