Features of convenient bag blowing film machine
1.The screw and barrel are made of 38CRMOAL alloy steel,which is made by nitriding treatment and precision processing,with high hardness,strong corrosion resistance and durability.
2.The die head is plated with hard chromium,its structure is a spiral mandrel type,the extruded molten material is uniform,the blown film has a good smoothness,the air-cooling device structure is a labyrinth,and the air is uniform.
3.The rewinding device adopts pressure friction rewinding or center rewinding,and is adjusted by a torque motor.The rewinding is smooth and easy to change.
