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HomeProductsCoil Processing LineCold Rolling Mill

Cold Rolling Mill (Total 1 Products)

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steel strapping band production line

Brand: SM

Packaging: Export Package

Supply Ability: 10Set/Year

Raw material Raw material grade quality rolled steel coils Rolling by HRC Thickness 0 6 0 8mm Width 80 135mm I D 508 O D max 1600mm Coil weight max 2 0t Steel coil packing materials for the chemical composition tolerances and plate shape surface...

China Cold Rolling Mill Suppliers

Cold Rolling Mill

Steel coil is lifted and put on coil skid, which receives only one coil. The loading car moves to the position under the coil skid, and the coil up-down hydro-cylinder raises the steel coil. Driven by hydro-cylinder, the coil car moves and stops before the shrunk recoiler drum. Raise slowly the coil car by manual inching so that the coil center aims at the drum center. Move the coil car forward so that the center of the coil width is almost in line with the center line of the machine. The coil drum is expanded by hydro-cylinder, and the press roll goes down. The decoiler guiding plate goes up. By turning the coil drum, the end of the coil through the flexible guide plate is lead into No.1 pinch roll, and it, afterward, passing through the thickness gauge and deoiler rolls, is sent into the entry guide plate. After the end of coil gets through between the rolls, let the mill go down, pressing the working rolls against the steel strip. The operation of main motor takes the end of coil to the clamping mouth of No.2 recoiler, after passing through the thickness gauge and No.2 pinch roll. The coil drum is expanded so that the end of coil is pressed tightly at the clamping mouth. After the recoiler turns for 11/2-3 loops in direction of taking up coils, pre-set the gap between the rolls of the mill , and the front and back pulling force as well. Put into operation the systems of process lubricating, oil removing, gauge measuring, tension measuring and thickness controlling. Get the mill started, accelerated and proceed the rolling.

At the time when the rolling is nearly over, get the mill decelerated and stopped; make the end of coils stops at No.1 recoiler. Take reversing rotation of the machine and send the end of coil into the clamping mouth of No.1 recoiler. Synchronizing with the operation of the line, let the recoiler turn in the direction of taking off coils for 11/2-3 loops. Let the mill go down according to process, and set the front and back tension. After put in operation of the systems of process lubricating, oil removing, gauge measuring, tension measuring and thickness controlling, get the mill restarted, accelerated and proceed the rolling in reversal direction. After rolling forward and backward for several times, and when the coil is rolled to the required thickness, release tension from recoilers from both sides, and raise the rolls of the mill. The recoiler from the removing side turns slowly. Keep pressing roll of recoiler touching the coil. Synchronizing with the operation of the recoiler, finish rewinding the coil. After the recoiler drum is shrunk, the coil car must be ready for the unloading coil. Operate the unloading car to take out the steel coil. Put the coil on the skid, where unloading car returns. Operators bundle up the coils manually.

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