Disc: ZL104 high strength aluminum alloy
Core :Seamless steel pipe and steel grade 20 #. All are famous and quality in domestic with high tensile strength and elongation
Shaft head:Ductile iron QT500-7Main production process
Disc: steel die casting, integrally molded, aging treatment and anodic surface oxidation treatment
Core:Precision lathe processing and surface galvanization passivating treatment
Shaft head:Precision milling machine processing, shaft body supporting.
SM93 Rapier looms weave shaft