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Precision hexapod for loads up to 500kg and 100mm travel

15 June 2014

The new H-850KMLD hexapod from PI (PhysikInstrumente) offers highly precise positioning for applications with limited installation space.

The 6-axis system achieves a minimum incremental motion of 1 µm over a 100 mm travel range in XY direction and of 0.5µm over a 50mm travel range in Z direction. The maximum tilt and rotation angle is ±30°. 

If the Hexapod is frequently switched on and off, an integrated absolute encoder, which is available as an option, facilitates operation. The encoder detects the actual position of the axes when the Hexapod is switched on. A reference move is thus not necessary. This especially protects structures which do not allow a free positioning over the entire travel range, and it also saves time that can be used for regular operation. 

The H-850KMLD positions loads of up to 500kg with horizontal orientation at a velocity of up to 0.5mm/s. The linear repeatability is ±1µm. When mounted in any other orientation, up to 200kg can be precisely aligned.

The H-850KMLD can be controlled using the powerful C-887 motion controller. It allows position entry using Cartesian coordinates, vector control and the selection of an arbitrary, stable pivot point via software.

In addition, the digital controller supports a LabVIEW-based software environment. The integration in text-based programming languages under Microsoft Windows or Linux is simplified by program libraries and exemplary codes.

The comprehensive software packages are included in the delivery agreement, and can be made available in advance, allowing the system to be integrated with the customer's software ahead of hardware delivery.

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