Public evidence · engineering definition
Adjustable-conical spindle: engineering definition before hardware.
The drawing set records how the adjustable-conical support concept was carried into a defined spindle architecture. It is evidence of engineering definition—not a substitute for tolerance closure, rotor validation or production acceptance.
Drawing record
A defined architecture exists before the manufactured spindle is shown.
This page separates the drawing-definition stage from the later hardware stage so that the public evidence chain does not collapse two different objects into one URL.
The support arrangement, component interfaces and production-oriented geometry were carried into a drawing package.
The drawing record precedes the physical spindle evidence shown separately in the manufactured-hardware case.
The drawing alone does not prove tolerance closure, thermal behaviour, rotor stability, manufacturing capability or production acceptance.