Sometimes I question whether to use QCTP or 4-way. IMO decision lies on combined operations a part requires; our work lathes are not equipped to exchange. My own machine I can rig accordingly. The work machines shortfall; turrets [4-way] index 8 positions but they're tied to compound, I regard this fitting out inadequate.
Sufficient incidents prove whether HSS or insert tooling is used, you get overhang/ interference/ poor tool clamping during chamfering, form tools, 45° necking, and other finishing sequences.
...we'll learn more by wandering than searching...
Removing compound slide is an excellent idea for extra rigidity, but in this case 4 bolts compound clamp is not required at all. I also don't use compound slide too often and installation of big (even 120 x 120mm) 4 way tool post on additional steel block is one excellent idea to consider. Thanks for that.
Top slide alternative
I did this some years ago and is now the way I turn most of my work.
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