The die bore is connected to a suction device, and {HEAD ~ the notching cutter} is formed with an air hole which opens to the atmospheric air and is communicated with {TAIL ~ the die bore} 
is communicated with
The die bore is connected to a suction device , and { HEAD ~ the notching cutter } is formed with an air hole which opens to the atmospheric air and is communicated with { TAIL ~ the die bore }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL