The article presents the observed manufacturing technology implementation difficulties in workshop practice, resulting from the construction and principles of operation on the DMG’s SPRINT 32/5 CNC linear automatic lathe and on the Mazak’s HQR 150 MSY and QTN 200 MS CNC turn – mill centers, and discusses possible rules for solving the production problems encountered. The article also discusses the principles of dividing the machining process and working steps on multi-spindle CNC turn – mill centers. It is worth to build a system supporting the selection of the sequence of treatments , taking into account the frequency of natural vibrations and stiffness obtained after each single machining operations.
The article shows the method of verification of the selection of the machining planning method on CNC multi-spindle lathes.
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