Hi，wellcome to visit"Well Time Steel (Shanghai) Co.,LTD"website！

Mandrel drum: Made of SCM440 alloy steel ,with heatment , surface hardening treatment
Segment: Made of SC46 casting iron, groved mark line extended from the ceter to each side, to indicate the material width surfoce use chrom electroplating
Sliding wedge : FCD50 ,Ductile castiron
Coil inner diameter: Φ508(Expansian range Φ470mm - Φ520mm),Φ610mm with rubber sletve
Driver by AC vector motor with Air Braker ,air braker will active when quick stop and Emergercy stop ,after the coil is fixed on the mardrel,the coil open device guided coil head threading into pinch roller and flater.Betwer pay-off and pinch roller ,flatent will create strble