Moving a CNC machining centre, grinder or coordinate-measuring machine is deceptively simple to lift and deceptively easy to get wrong. The machine will usually power up and run after a careless move. The problem shows up later: parts drift out of tolerance, surface finish degrades, repeatability falls away, and nobody can say exactly when it started.
The cause is almost always foundation and geometry. Precision machines are built and calibrated on a level, stable base. Lift one, transport it, and set it down on a floor that is even slightly out, and the machine's own structure twists fractionally. That twist is invisible to the eye but enormous at the micron level where these machines work.
Re-levelling is the first correction. Using precision levels and the machine builder's specification, the machine is brought back to a true, stable datum and its mounts adjusted so the structure is unstressed. This is slow, skilled work, and it is the foundation everything else depends on.
Alignment is the second. Laser alignment and metrology verify that axes are square, spindles run true, and the machine's geometry matches its original commissioned state. For multi-axis and multi-component lines, alignment also means the machines relate correctly to each other, not just to themselves.
Recommissioning is the proof. Test cuts, ballbar checks, and acceptance measurements against the original criteria confirm the machine performs as it did before the move — before it goes back into production, not after a scrapped batch reveals the problem.
This is why the lift is the cheap part. The value in a precision move is in-house metrology, alignment capability and the discipline to verify performance before handover. A mover who only quotes transport and setting-down is quoting the easy half and leaving you to discover the hard half.