V型零件翻边
flanging of V-shaped sheet metal parts
磁力翻坯吊车
magnet slab turning crane
多孔翻边
multi-hole sheet flanging
翻边
flanging
flange
flanged
edging
Cuff
flanger
limiting
turn edge
burring
switching
Circumferential strain dispersion effect
selvedge trundown
riveting