Gate design

Gates are a transition zone between the runner system and the cavity. The location of gates is of great importance for the properties and appearance of the finished part. The melt should fill the entire cavity quickly and evenly. For gate design the following points should be considered: Locate the gate at the thickest section Note gate marks for aesthetic reasons Avoid jetting by modifying gate dimensions or position Balance flow paths to ensure uniform filling and packing Prevent weld lines or direct to less critical sections Minimize entrapped air to eliminate burn marks Avoid areas subject to impact or mechanical stress Place for ease of degating For further details link to: Single vs. mutiple gates Gate dimensions Gate location Gate type