S7640 Internal Thread Grinding Machine Type: 400x 350mm APPLICATIONS AND FEATURES: It is mainly used in tool factories and tool workshop, leadscrew nut workshop of machinery factories to grind cylindrical & conic internal threads with V-typed & circular profiles. Equipped with automatic wheel dresser, it can effect one way or two way grinding. Precision rolling bearings used on wheel spindle, speed of which can be steplessly varied through a frequency converter motor. With oil mist extractor, the machine is covered by hood. Rolling bearings are used on work spindle, speed of which can be steplessly adjusted through a frequency converter motor.
