Note: The thickness between the pipe and the hard mold ("A") varies based on outer pipe
diameter; consult the table below:
Outer Diameter (mm)
Ø6 - 6.35(1/4")
Ø9.52(3/8")
Ø12-12.7(1/2")
Ø15.8-16(5/8")
6. INSPECTION
•
Check the quality of the expanded port; any blemishes requires refinishing the
port using the previous steps:
•
smooth surface
•
the length is equal
•
leaning
•
damaged surface
smooth surface
Max
1.3mm
1.6mm
1.8mm
2.4mm
•
crack
•
uneven thickness
•
Improper expanding
improper expanding
leaning
damaged
crack
surface
–21–
A (mm)
Min
0.7mm
1.0mm
1.0mm
2.2mm
uneven
thickness