Drive Unit
AssigneeBosch Rexroth AG
InventorJoerg Dantlgraber
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Abstract
Disclosed is a drive unit, in particular for an injection unit or an ejector of an injection molding machine, comprising a stroke spindle device with a spindle and a spindle nut, and a prestressing device for prestressing the spindle that is dischargeable in a displacement phase of the stroke spindle device and is chargeable when the spindle is driven in the opposite direction, wherein the stroke spindle device and the prestressing device are supported by the same component, and wherein a load measuring device is provided for measuring the load acting on the spindle, which absorbs the forces acting on the component.
Claims8
A drive unit, in particular for an injection unit or an ejector of an injection molding machine, comprising a stroke spindle device with a spindle and a spindle nut, and a prestressing device provided for prestressing the spindle which is dischargeable in a displacement phase of the stroke spindle device and is chargeable when the spindle is driven in the opposite direction, wherein said stroke spindle device and said prestressing device are directly or indirectly supported by the same component, and wherein a load measuring device is provided for measuring the load acting on said spindle, which absorbs the forces acting on said component.
Dependencies are inferred from the claim text.