High collar height:1.2---10mm
Thickness of aluminium sheet between 0.09---0.3mm
Rows:4--60

Using field:Punching fins for heat exchanger of air-conditioner or heater

Basic processing stages:Draw-Pierce&burring-Reflare-Edge  trim-Pilot-Row slit-Feeding-Cut off

Special stages :Louver/Surface/Notching/heater hole/Sin-wave/etc.

Matching equipment: Fin press