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H-845 Ultra-High-Load Precision Hexapod Parallel Positioning System from Physik Instrumente

The H-845 features a parallel kinematic design with six degrees of freedom making it significantly more compact and stiff than serial-kinematic systems, higher dynamic range, no moved cables as well as reduced friction and higher reliability. It includes a large clear aperture and brushless DC motors with brakes.

The high-load Hexapod has a modular structure and makes use of a different set of modules for motor/drive unit and joint. It is possible to adapt the platforms to customer applications. This enables rapid implementation of special customer requirements. The positioning system has a 6D vector motion controller for Hexapods, including two additional servo axes. It is arbitrary, stable pivot point and software-selectable. Positions are commanded in Cartesian coordinates. The positioning system includes macro command language, open-source LabVIEW driver and libraries, helps determine the workspace, has a virtual machine for Hexapod emulation and also an optional software for avoiding collisions in restricted workspace. It find application in aviation, astronomy and aerospace.

Key Features

The key features of the H-845 are:

are:

  • Load capacity to 1000 kg
  • Velocity to 20 mm/s
  • Repeatability to ±2 µm
  • Travel ranges to 220 mm / 60°
  • Scalable design: dimensions, travel ranges and loads
  • Actuator resolution to 40 nm
  • Drive: brushless motors with brake
  • Sophisticated controller using vector algorithms, virtual pivot point
  • Extensive software support
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