Siemens Sinumerik 840D Operating Turning page 149

Hide thumbs Also See for Sinumerik 840D:

Driving mechanisms/positioning actions

A typical machining center with feed drives, main spindle drive and auxil-

iary drive is shown below.

Main spindle drive

According to the drive tasks planed, controlled electrical drives for NC-

machines are divided into the following:

Feed drives for all axis, e.g. X, Y, Z.

Main spindle drive, e.g. for the milling spindle of a machining center,

the spindle drive of turning machines or a grinding wheel drive.

Auxiliary drive, e.g. for the tool changer or the pallet switcher.

Operation diagram of the position-regulated axis:

840D/828D SINUMERIK Operate

Auxiliary drive

Sinumerik 828d