Patent ID: 9713833
Date: 2017-07-25
CPC Classifications: B21D

Claim:
1. A 3d Hydro ironing tool comprising: An upper shoe, a middle shoe and a lower shoe, a die stem, wherein said tool is attached to said upper shoe via a place holder for said die stem; furthermore a mandrel is fixed to said upper shoe via a mandrel holder; a position of said upper, middle and lower shoes is adjusted and defined via two guide posts (preferably cylindrical posts) that are located in and fixed to said lower shoe by two post holders and screws or any connecting means capable of fixedly and tightly holding and securing said two posts to said lower shoe and keep them in place; wherein said two post holders are connected to said lower show and said two posts pass through and along a length of said two post holders; wherein said two posts are located parallel to and on either side of said mandrel keeping said upper, lower and middle shoes parallel to each other; wherein said mandrel moves up and down and is guided and adjusted in place, by two linear ball bearings located around said two posts and fixed in position by their respective housings in said upper shoe; wherein said housings are fixedly attached to said upper shoe and face said central shoe; said tool further comprises a die reinforce set attached and fixedly connected to said middle shoe having comprises two pins press fitted in prepared places in order to accurately guide a cup holder, wherein a hydro ironing die is also press fitted inside said die reinforce set on said middle shoe, and wherein an ironing ring is also press fitted in said mandrel, reducing elastic deformation through a hydro ironing process; said tool further comprises: a pump unit, first and second switches; wherein said pump unit controls flow of oil inside said drawn cup as well as a predetermined first and second pressures forces on an inside and outside surface of said drawn cup, and wherein said first and second switches open and close an inlet and outlet for said pump unit adjusting said first and second predetermined pressures as needed.