The invention of the cold-rolled strip coil to induce homing device to solve the cold-rolled strip coils from page five cases frills relates to, pressure marks on the surface of the cold-rolled coil is not generating the contact force of the roll of pressure relates to a strip guidance system for preventing cold-rolled coil is improved to the mark remains constant. ; The present invention, Li Extract the rack gear arranged to be slid to one side of the cylinder, and a pinion engaged with the rack gear coupled to the encoder, and a stroke detecting unit for detecting a sensor mounted on the pay O ruffles; The lower contact is installed on the front end of the conveyor rolls, the load cells are installed on both ends of the contact roll, and pressing portion having a proximity sensor mounted at a front end of the lower conveyor; Provides an inductive device of the cold-rolled strip coil for preventing pressure marks comprising; and the encoders, sensors, load cells, and the proximity sensor electrically connected to the signal processor and said signal processor electrically connected to the control unit including a hydraulic pump. ; Thus, according to this invention, by the products according to the diameter of the cold-rolled coil controlling the operation of the retract cylinder and maintaining a constant pressing force of the pressure roll so as not to mark occurs on cold rolled coil it is possible to obtain the effect of reducing the defect rate.
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