Q
how do you calculate shot weight in injection molding
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
Calculating shot weight in injection molding involves determining the total mass of plastic required to fill the mold cavity plus any additional material required to compensate for material loss. This calculation is crucial for ensuring the quality and consistency of molded parts. First, calculate the volume of the part and any runners or sprues using the part's dimensions and the volume of the mold cavity. Then, multiply this volume by the density of the molding material to obtain the total weight. It's essential to consider material shrinkage and add a certain percentage to account for losses during the injection process. Manufacturers often use a rule of thumb or empirical data to fine-tune this value for specific materials and mold designs.
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