Danobat-Overbeck IRD-200 internal grinding machine achieves short change-over times

(PresseBox) ( Herborn, )
The Danobat-Overbeck IRD-200 is the smallest of the three-model IRD range of high precision grinding machines with radius option. Maximum internal grinding diameter is 100 mm, workpiece swing is 200 mm and maximum workpiece weight is 30 kg.

Ideally suited to the machining of dies and punches, for example, the integrated B axis of the workhead, which has a swivelling rage of +95º/-25º, combines with 3-axis interpolative software to allow the grinding of different radii without manual re-setting of the pivot points. The T-slide configuration (400 mm workhead X axis travel/200 mm grinding spindle Z axis travel, with both axes driven by Siemens linear motors) contributes to a high static and dynamic stability. Both slide elements are characterised by fast traverse speed, precise positioning and low maintenance requirements.

The direct driven workhead, can be equipped with either a magnetic chuck or a six-jaw pneumatic chuck, ensures the highest possible roundness quality while contributing to flexibility and short change-over times. Up to 4 grinding spindles plus measuring probe can be mounted on the wheelhead. Grinding spindles can be high frequency or belt-driven.

The Danobat-Overbeck-developed software within the Siemens Sinumerik 840D control system is tailored to the customer's specific application. Programming is made easy via on-screen graphics for fast part type change even with complex word piece forms. Included is a 2D/3D simulation package that enables the operator to check a completed program for possible collision points.

The new development of the cam grinding software offers the possibility to grind non round basic shapes in combination with a free-defined profile of the workpiece. Furthermore shapes can be grind which require non-continuous circulation of the workhead spindle f. e. bores outside the workpiece rotation center. Easier drawing related programming at the machine, during active B1-Axis transformation
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