2 the gate size is dependent on product weight material and gate types.
Submarine gate injection molding.
Our glossary of terms provides definitions for a wide range of injection molding terms.
Tunnel or submarine gate.
If unavoidable the weld marks should be designed on the unimportant surface and non weak parts of the product.
Their location quantity shape and size etc.
There are many types of gates for plastic injection molding parts such as direct sprue gate side gate fan gate pinpoint gate submarine gate etc.
If the injection molding requirements meet the smaller the number of gates are the better it is it would reduce the weld marks.
One of the reasons it s the best is because a tunnel gate automatically separates or degates from the part when either the mold opens or when the parts and runner are ejected.
Every type of gate that has its advantages today we will explain each type of molding gate when you use your molding parts according to each gate of advantages and disadvantages you could.
The runner and gate system used in plastic injection molding is responsible for directing molten plastic from the nozzle of the molding machine into the cavity of the tool.
Have a great influence on product appearance dimensional physical characteristics and production efficiency.
It serves as the boundary between the part and the scrap the injection molding gate type include director gate sub gate fan gate side gate bananal gate tab gate etc.
Horn submarin gate applies to product surface free of any traces of the gate also submarine gate isn t feasible select the horn submarin gate gate can be set inside of the article and the surface of the injection molded article can be significantly improved as to aesthetic effect it is made inserts for its special shape.
1 injection molding gate is a small opening between the runners and the mold cavity.
An angled conically shaped tunnel gate also known as a subgate or submarine gate is one of the best and worst types of gating methods.
Plastic injection molding is a complex highly intricate process.
The gate is where the molten plastic flows into the final part.