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Forging sledgehammer heads. 4:29 video.
https://www.youtube.com/watch?v=ukJBpnNozuA
Previously:
https://www.homemadetools.net/forum/...363#post177314
https://www.homemadetools.net/forum/...275#post176973
https://www.homemadetools.net/forum/...981#post175933
https://www.homemadetools.net/forum/...048#post176173
https://www.homemadetools.net/forum/...032#post176127
https://www.homemadetools.net/forum/...913#post175603
Hammer forging. Certainly the forge is controlled by a foot pedal to a clutched flywheel, lots like a punch press. It looks like forming of head is ram and anvil alone, then tooling is set to raise height?
How is the stroke length changed?
Works like a kuhn forging hammer. Large air cylinder hooked to a flywheel on an eccentric with the discharge ports hooked to a slightly smaller bore cylinder for the ram. The foot pedal controls a valve between the cylinders.