Vents should be positioned so that the resin flows into the line where the wall thickness to the smallest to the largest possible filling materials products.
Place vents in the position of the product does not matter because where your mouth spray tends residual stress exists in the machining process.
the mouth spray should put in place so that we can push all the air out of vents without creating air bubbles in the product.
place the vents so that no to re-weld, especially when using multiple vents.
for round material, cylindrical vents placed at the center need to maintain consensus.
the mouth spray is usually kept in the smallest size and extended if necessary appliance. However, it should be considered to minimize the time taken to add the cut material and avoid creating marks on the product.
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