Linear drive, esp. for parts mounting machine, has spindle nut on travelling part engaged with spindle body with drive contg. pair of motors, each coupled to one end of spindle body

摘要

The arrangement has a travelling part that can be moved along a guide in a longitudinal direction, a spindle body (15) rotatable wrt. the guide and axially fixed in the longitudinal direction, a spindle nut formed on the travelling part engaged with the spindle body and a drive for the spindle body. The drive has a pair of motors (21,22), of which each is coupled to one end of the spindle body. An Independent claim is also included for a parts mounting machine for fitting electronic components onto circuit boards