GB1263335A - Digital control for the conveyor in a cooling bed for rolled stock - Google Patents

Abstract

1,263,335. Rolling. M. C. PFISTER. 10 Feb., 1969 [26 March, 1968], No. 6999/69. Heading B3M. [Also in Division G4] In a digital control system for cooling rolled stock, successive packages of the rolled stock are deposited on the cooling bed separated from each other by amounts predetermined by the number stored in a pre-aelector VW3 (Fig. 3). In the embodiment described the useful length L of the cooling bed is stored in a preselector WV1. When a first package is loaded on to the conveyer a detector D11 delivers a "1" signal to enable pulses to be fed into counters Z1, Z2. When the package passes the detector the count in both counters continues and pulses are additionally counted in counter Z3 until this count is equal to the preselected spacing in selector VW3 when the counter Z3 is reset and the count in counter Z2 is terminated. When the conveyer has moved an amount corresponding to the length of the cooling bed the count in counter Z1 is terminated and the conveyer returns, leaving the package of rolled stock on the cooling bed. The count in counter Z2 is then transferred to counter Z 1 and the conveyer transports the next package to the cooling bed, the conveyer being stopped at an earlier time since counter Z1 starts counting from a number representing the width of the first stock package plus the desired spacing. This process is repeated until the count in counter Z2 corresponds to the preset value VW1 when the cooling bed is full and a gating device directs further stock to a second cooling bed.