There exists surface flash

scratch and size over-tolerance on the die casting pin-shaped insert.Surface flash on the insert can be eliminated by using fast-pin and spring for pressing insert.Scratch on the insert surface can be avoided by setting drafting angle at hole for assembling insert in the mould to make the un-direct contact of effectively working position of the insert with hole at the mould.To prevent the insert from the mould automatically

magnetic iron was set in die casting die to ensure the fixation of iron insert in the mould.