jim rozen wrote:

In article , Grant Erwin says...

I vote for building up the worn part with hard chrome and having it
cylindrically ground to size. - GWE

But the ram is not worn. It has constant diameter over its
whole length.

Jim

Perhaps the implications of increasing the tailstock ram diameter
by plating slipped by? Common practice would be to rectify the
tailstock housing and plate & grind the ram to suit.

Tom