Gas Mask

"MOUTH" (Working process):


Work-piece: trimmed deep drawn piece
Material: anodised aluminium
Performed operation: threading
Working cycle: semi-automatic


"FILTER" upper and lower (Working process):


Work-piece: trimmed deep drawn piece - filter - diaphragm
Material: anodised aluminium
Performed operation: calking of the diaphragm on the mouth
Working cycle: semi-automatic


FIRST ASSEMBLING PROCESS:


Working-piece: mouth - filter
Material: anodised aluminium
Performed operation: calking of the filter on the mouth
Working cycle: semi-automatic


SECOND ASSEMBLING PROCESS:


Working-piece: mouth anf upper filter assembled together - lower filter - bottom plate
Material: anodised aluminium
Performed operation: intermediate three layers lock-seaming of the two half-parts
Working cycle: semi-automatic