In injection molding molds, a mold in which multiple part shapes are drilled into a single mold is called a "set-up mold" or "family mold.
The advantage is that multiple parts can be molded simultaneously in a single mold, thereby reducing molding costs, time, and man-hours.
On the other hand, depending on the shape of the part, it may be difficult to obtain a filling balance, resulting in partial short shots, which is a demerit that can easily lead to defects.
We have mass production experience using family molds for air conditioner registers for vehicles.
In order to balance the filling, it is necessary to match the runner length as well as the timing of the final filling, so the filling is balanced by providing a discard tab on the product.
Another method is to balance the filling by setting the injection conditions.
We will propose the best mass production method depending on the product shape and lot number.
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