Servo motor drives the whole wheel head sliding board (Z1, Z2 axis) doing longitudinal running through ball screw.

砂轮架滑台移动(Z 1、z2轴)采用伺服电机带动滚珠丝杠、驱动整个砂轮架滑台的方式。

youdao

This one's a little harder to get excited about, but it's a replacement for their Z1 series they introduced last year.

ENGADGET: Sony explores new letters of the alphabet: intros new Vaio M, Vaio T, and Vaio B PCs

Potential candidates for the award are the restoration of the PDP 1 at the Computer History Museum or the recreation of Konrad Zuse's Z1.

BBC: Tony Sale: Computer restoration memorial prize launched

With its Z1, Z820 and Z620 workstations, HP is collaborating with Epic Games, Autodesk, and ALT Systems to create what they're calling a "turnkey solution" to game development workstation woes.

ENGADGET