The flattener is located next to the and straightener. It's used to flatten the head and trail of the strip and feed the strip into the shear welder.
位于直头机之后，用于矫平带钢的头部和尾部，并将带钢送入剪切对焊机。
2
The end straightener is used together with the uncoiler, it leads the head of the strip out of the uncoiler, straightens it and feeds it into the flattener.
直头机与开卷机配合使用，从开卷机上引出钢带关部，送入矫平机理行矫平。
3
To deduce the formulas for evaluating feed diameter, roller diameter and rolling moment of flattener, obtain the practical formulas and give a computer program.