| 摘要 |
The upper metal mold is arranged with two rows in same direction. The right and left meshes of metal lath are continuously punched by the ram. The length direction of metal lath, whose meshes are formed at both sides, is the same direction as that of feeding the work. While the right and left meshes are continuously punched, the mesh is exactly punched. Accordinly, so that the productivity can be inproved because the loss of raw materials is reduced.
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