...Hardened ZF Input Shafts ARE Absolutely Repairable!!!
You First have them 'Hard Chrome' (Plated) and then they are Ground to size, between centers on a Cylindrical Grinder! Concentricity Accurate to 'Zero Error'. We do 'It' all the time at the LFW Shop. When ever a Shaft might be cut .001"-.003", or More, Undersize, in error. Chroming Saves an Expensive piece of Steel, with MANY man/hours of Machining on it, from being Scrapped. There is NO reason why a Shaft that might be 'All Galled-Up' could Not Have the Snout completely Chromed and Ground, the Very Best way to do it. Brazing and Welding is a Complete NO-NO!! Because it changes the Metallurgy of the Steel and Weakens it, at the very least!
Think of all the Worn-Out ZF shafts that CAN be Rejuvenated! YES! And the Surface in Hard Chrome would be BETTER than NEW!! Save a LOT of Money!
Call LFW Machine in Stockton, California for a Quote. Leo is a Master Machinist! No one is More Experienced on the Cyl. Grinder.
They Chrome Crankshafts! They also weld on Crankshafts. I Recommend Chroming.
I am Now retired and No longer work there.
Good-Luck
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