| 摘要 |
PURPOSE:To prevent the dimensional fluctuation of a product by advancing a pusher rod by the distance satisfying the specific equation by a main driving mechanism then operating an auxiliary driving mechanism to advance the pusher rod by the distance satisfying the prescribed equation. CONSTITUTION:A pusher carriage 13 of the main driving mechanism which travels on a guide way 31 under being connected by a connecting jig to a wire rope 16 is provided and an air cylinder 28 is disposed as the auxiliary driving mechanism 27 therein. The push rod 14 is connected to a piston 29. The auxiliary driving mechanism 27 is preset to satisfy equation I. The rod 14 is advanced by the distance satisfying equation II by the pusher carriage 13, then the rod is ejected by the auxiliary driving mechanism 27 so as to be tightly fitted to the rear end of a preceding material 1. Since idle rolling is prevented by such method, the dimensional fluctuation of the product is prevented.
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