Sleeve Ejector Pin - We are manufacturers of Sleeve Ejector Pin. An Ejector Sleeve is basically an Ejector Pin with a hole thru the center. The actuation of an Ejector Sleeve is like an Ejector Pin. The hole is used for a Core Pin to form a portion of the desired part. The Core Pin touches the part, the other end of the Core Pin runs thru the Ejector Housing and terminate near the bottom of the moldbase.
This system use when part have tolerance or good dimension so, so we can’t put ejector in those face, or ejector prohibited in that face other reason is part have hole and face that can touch with ejector is very small and surrounding the hole. Sleeve ejector is how to make insert pin doesn’t move when sleeve ejector move to eject the product.