CNC Machining Die Forging Steel Parts
Die Forging Also Named Mould Forgings. It Refers To The Forging Method Of Obtaining Forgings By Forming Blanks On Special Die Forging Equipment.
The Forgings Produced By This Method Are Accurate In Size, Small In Processing Allowance And High In Productivity With Complex Structure.
Characteristic
The Process Of Forging And Pressing a Metal Blank On a Die Forging Hammer Or Press With a Forging Die.
Die Forging Process Has High Production Efficiency, Low Labor Intensity, Accurate Size, Small Processing Allowance, And Can Forge Complex Forgings; It Is Suitable For Mass Production.
However, The Cost Of The Die Is High And Special Forging Equipment Is Needed, Which Is Not Suitable For Single Or Small Batch Production.
1, The Shape Of Forgings Can Be More Complex Due To The Flow Of Metal Guided By The Die Bore.
2, The Inner Forging Streamline Of The Forging Is Distributed According To The Outline Of The Forging, Which Improves The Mechanical Properties And Service Life Of The Parts.
3, Simple Operation, Easy To Realize Mechanization And High Productivity.
Classification
According To Different Equipment, Die Forging Can Be Divided Into Hammer Die Forging , Crank Press Die Forging , Flat Forging , Friction Press Die Forging And So On.
The Equipment Used For Hammer Die Forging Is Die Forging Hammer, Usually Air Die Forging Hammer. For Complex Forgings, The First Step Is To Form In The Blank Cavity, And Then To Forge In The Forging Cavity.
Open Die Forging : According To The Structure Of The Forging Die, Where There Are Grooves Containing Excess Metal On The Forging Die.
Closed Die Forging : On The Contrary, There Is No Groove On The Edge Of The Groove Containing Excess Metal.
Single Die Chamber Die Forging : The Direct Forming Of The Original Blank .
Multi-Bore Forging : For Complex Forgings, Which Requires Several Steps Of Pre-Forming On The Same Forging Die.
Precision Die Forging : It Is Developed On The Basis Of Die Forging. It Can Forge Some Parts With Complex Shape And High Dimensional Accuracy, Such As Bevel Gears, Blades, Aviation Parts, Etc.
Preparation
Die Forging Consists Of Two Modules, The Upper And Lower, And The Die Chamber Is The Working Part Of The Forging Die, With Half Of The Upper And Lower Dies.
Fixed With Swallow Tail And Wedge On Hammer Anvil And Worktable, And Guided By Lock Or Guide Pillar To Prevent Upper And Lower Modules From Dislocation. The Metal Blank Is Deformed According To The Shape Of The Die Chamber.
The Process Of Die Forging Is Billet Making , Pre-Forging And Final Forging.
The Die Chamber Of The Final Forging Die Is Determined According To The Size And Shape Of The Forging, Plus The Allowance And Deviation.
Die Forging Is Generally Divided Into Open Die Forging And Closed Die Forging.
Open Die Forging : There Are Grooves Around The Die Chamber . After Forming, Excess Metal Flows Into The Groove, And The Groove Is Finally Removed.
Closed Die Forging : It Has Only a Small Edge At The End. If The Blank Is Accurate, It Can Also Be Without The Edge.
