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Sheet Metal Forming Sheet Metal Forming ProcessesProcesses
Manufacturing Manufacturing ProcessesProcesses
OutlineOutline
IntroductionIntroduction
ShearingShearing
BlankingBlanking
BendingBending
Deep DrawingDeep Drawing
Stamping DiesStamping Dies
Progressive DiesProgressive Dies
Transfer DiesTransfer Dies
SpinningSpinning
Sheet Metal WorkingSheet Metal Working
Products:Products:
automotive fendersautomotive fenders
washerswashers
stamped partsstamped parts
channelschannels
Examples of Stamped Examples of Stamped PartsParts
Examples of Stamped Examples of Stamped PartsParts
Examples of Stamped Examples of Stamped PartsParts
This part was made from several stamped parts plus a nut, which were stamped again to seal them
together
Examples of Stamped Examples of Stamped PartsParts
This part was made from a sheet that was stamped, bent, and welded into a tube, plus a separate
stamped end piece
Examples of Stamped Examples of Stamped PartsParts
ShearingShearing
A sheet-metal cutting operation along A sheet-metal cutting operation along a straight line between two cutting a straight line between two cutting edgesedges
Shearing of Metal Shearing of Metal Between Cutting EdgesBetween Cutting Edges
Shearing of Metal Shearing of Metal Between Cutting EdgesBetween Cutting Edges
1/3 of material is cut and 2/3 of material fractures
BlankingBlanking
Involves cutting the sheet metal along Involves cutting the sheet metal along a closed outlinea closed outline
Piercing and BlankingPiercing and Blanking
Shearing operations in which the Shearing operations in which the shear blades are closed, curved shear blades are closed, curved lines along the edges of the punch lines along the edges of the punch and dieand die
In blanking, the piece punched out is In blanking, the piece punched out is the workpiece; in piercing, the the workpiece; in piercing, the remaining strip is the workpieceremaining strip is the workpiece
Punch and DiePunch and Die
BendingBending
BendingBending
Bending SpringbackBending Springback
Deep DrawingDeep Drawing
A sheet metal forming operation used A sheet metal forming operation used to make hollow-shaped partsto make hollow-shaped parts
Deep DrawingDeep Drawing
RedrawingRedrawing
Additional drawing steps (redrawing) Additional drawing steps (redrawing) may be required if the shape may be required if the shape change of the material is too severechange of the material is too severe
Example of a Drawn Example of a Drawn PartPart
Example of a Deep Example of a Deep Drawing PressDrawing Press
Stamping DieStamping Die
Stamping DieStamping Die
Progressive DieProgressive Die
Performs multiple operations at Performs multiple operations at different stations with every press different stations with every press strokestroke
Progressive DieProgressive Die
Example of Progressively Example of Progressively Stamped PartsStamped Parts
This sheet has been stamped by a progressive die, showing the series of operations from right to left
Progressive DieProgressive Die
Progressive DieProgressive Die
Progressive DieProgressive Die
Progressive DieProgressive Die
Progressive DieProgressive Die
Progressive DieProgressive Die
Examples of Stamping Examples of Stamping MachinesMachines
Progressive DieProgressive Diein Stamping Pressin Stamping Press
Progressive DieProgressive Die
Material CoilsMaterial Coils
Material FeedMaterial Feed
Material FeedMaterial Feed
Transfer LineTransfer Line
Transfer LineTransfer Line
Transfer LineTransfer Line
Transfer LineTransfer Line
Transfer PressTransfer Press
Transfer PressTransfer Press
Transfer DieTransfer Die
SpinningSpinning
Uses a spinning mandrel and a roller Uses a spinning mandrel and a roller to form sheet metal into a radially to form sheet metal into a radially symmetrical partsymmetrical part
SpinningSpinning
Courtesy Koch Metal Spinning
Tube SpinningTube Spinning
Uses a spinning mandrel and a roller Uses a spinning mandrel and a roller to reduce the wall thickness and to reduce the wall thickness and increase the length of a tubeincrease the length of a tube
SummarySummary
Blanking, bending, and deep Blanking, bending, and deep drawing are capable of drawing are capable of producing an immense variety producing an immense variety of thin metal partsof thin metal parts
Progressive dies can produce Progressive dies can produce parts at high production rates parts at high production rates by performing multiple by performing multiple operations simultaneouslyoperations simultaneously
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