Located at the head of the exhaust groove. Must be designed so that the material does not flow into the vents during the filling? The depth of the groove at the top of the small exhaust to prevent animals usually
flows out materials. And depending on the viscosity of each type of plastic, has a
different depth.
The width of the groove is not limited, but in fact is in the range 3,175 ÷ 12.7 mm.? Trench Length (l): 0762 mm mm When ≤l≤3.175 runner design should note the following:
+ Number of grooves depending on the flow and speed of filling.
+ When increasing exhaust may increase adding or expanding gas drainage grooves.?
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