1. The role of the exhaust slot:
<1> In the injection mold, the mold cavity of the air
<2> Exclude the various gases produced during the heating process
2. Exhaust slot in the form:
<1> Straight bar
<2> Surround shape
Third, the exhaust method:
<1> Exhaust from the flow channel
<2> Parting surface exhaust
<3> Insert exhaust
<4> ejector stem ejector
<5> Breathable steel exhaust
<6> Venting the exhaust well
<7> Inlay the needle
Exhaust Note:
<1> All exhausts are opened in the front mold
<2> There is a rubber compound at the intersection of more exhaust
<3> When the exhaust is very difficult, the use of mosaic structure
<4> Die return frame guide post, guide sleeve to add exhaust
