Hi, my friends.

There is my self made machines for my blacksmith workshop.

 

 

HOMEMADE COKE,COAL SHREDDER FOR BLACKSMITH

Part 1  

Part 2  

Neat contraption!  BTW, in the mining industry, those are called "jaw crushers", not shredders.

That is really cool!  Nice work.  Any thoughts on a vibration element to help with self- feeding?

dawitt that is a very interesting machine to watch run. Nice work indeed.

Have you made any changes since you posted this video.

 

 

Steve,

Not a bad home built version of a jaw crusher. It'll work better if the hammer jaw is arched top to bottom, with the pinch point (narrowest closure which determines the max size of the output) at the hinge. This does several things for performance: First it makes loading easier because the top is at least 3x the desired width, crush size, Secondly the hammer jaw is only crushing a small quantity at once and as the crush falls into the jaws the pieces are already cracked and much easier to mill to desired size. It also allows a heavier hammer jaw and faster speed for more efficient performance. Lastly IIRC, an arched hammer jaw puts considerably less stress on the hinges so you can make them adjustable with a much reduced incidence of wear and failure.

The anvil plate needs to be darned heavy, any deflection is energy drained from the work. Arching the anvil plate is undesirable.

Yeah, I've been around these things too, can't work in a highways material lab without becoming intimately familiar with one of these things. Had to rebuild ours twice. Sweet machines, very simple. The lab crusher was driven by a cam and compound lever. different in detail but the same in spirit as yours.

Frosty The Lucky.