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Newport has introduced a Hexapod parallel kinematic motion device driven by six enhanced versions of its high-performance DC servo-motor-driven LTA actuators.

The quality of the actuators has a strong impact on the overall motion performance of a Hexapod.

Of almost equal importance are the joints with which the actuators are attached to the base and the moving top plate.

To overcome this challenge, Newport said that its engineers came up with a design of special anti-friction coated spherical joints that are not only simple, but also provide significant higher rigidity than ordinary universal joints.

The result is a Hexapod that provides more than five times higher rigidity and twice the load capacity of other Hexapods of similar size, according to Newport.

The Newport Hexapod is supplied with a specific HXP100-ELEC controller.

This controller accurately masters the synchronised transformations from Cartesian input coordinates to the motion of the Hexapod legs.

In addition, the HXP100-ELEC also provides advanced features including instrument grade I/Os, hardware-based input triggers, event triggers, high-speed on-the-fly data acquisition, fast TCP/IP communication and integrated TCL programming language for onboard processes.

All these features can improve accuracy and throughput.

A common requirement for many Hexapod motion applications is a virtual pivot point, allowing the user to freely choose the point in space that is a pivot point for all rotations.

The Hexapod XPS controller provides this as a standard feature and Newport has taken this a step further.

The Newport Hexapod can not only relocate the pivot point, the entire coordinate system can be relocated.

In addition, two user-definable coordinate systems are provided, called tool (moves with the Hexapod) and work (stationary coordinate systems).

Incremental displacements are possible in either one of these systems in user-friendly Cartesian coordinates, and positions can be calculated from one system to the other by a function call.

These functions are designed to provide a new way of mastering Hexapod motions without the need for complex external coordinate transformations.

Newport Corporation is a leading global supplier of advanced-technology products and systems to customers in the scientific research, microelectronics manufacturing, aerospace and defense/security, life and health sciences and precision industrial manufacturing markets. Newport’s innovative solutions leverage its expertise in high-power semiconductor, solid-state and ultrafast lasers, photonics instrumentation, sub-micron positioning systems, vibration isolation, optical subsystems and precision automation to enhance the capabilities and productivity of its customers’ manufacturing, engineering and research applications. Newport is part of the Standard & Poor’s SmallCap 600 Index and the Russell Microcap Index.

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