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Pierced bar elements

The following demonstrates the processes and tooling used to form our pierced bar element.jpg

The following demonstrates the processes and tooling used to form our pierced bar element.

bars are marked for slit and drifted hole- Small drilled holes guide the punch.jpg

Below, 5/8" bars are marked for slit and drifted hole. Small drilled holes guide the punch.

Heating the  bars in the Johnson Forge.jpg

Heating the 5/8" bars in the Johnson Forge.     

Punching on KA 75- One hit-turn over for 2nd hit-turn and hit-turn and hit and finished-Four blows to complete operation.jpg

Punching on KA 75. One hit, turn over for 2nd hit, turn and hit, turn and hit and finished. Four blows to complete operation.      

Finished bars-This operation is so fast there's still heat in previously formed bars.jpg

Finished bars. This operation is so fast there's still heat in previously formed bars.

Slitting tool made from H 13 hot working tool steel-Slightly taller than half the material thickness.jpg

Slitting tool made from H 13 hot working tool steel. Slightly taller than half the material thickness.     
 

Tooling to open the slit drifted hole using the fly press and fingers to strip material from the punch.jpg

Tooling used in the flypress to open the slit drifted hole, and fingers to strip material from the punch.      

The holes opened up - and then forging with the flypress.jpg

The holes opened up, and then forging with the flypress.