PI Alignment System Enables Accurate Positioning

The F-206.S Hexalign system can be used in complex, high-accuracy positioning and alignment tasks where independent, high-precision motion in six degrees of freedom is required. The six-axis alignment system from PI provides 6D motion with 33nm resolution and advanced alignment software for optics and photonics components. It includes an advanced parallel kinematics controller/driver featuring vectorised motion with arbitrary pivot-point capability, as well as an extensive software package.

The parallel-kinematics design with a virtual pivot point and vector-based 6D motion-controller means that the F-206.S system differs from conventional stacked multiaxis positioners. Due to the reduced moving mass - only one common lightweight platform for all six actuators - the system can respond and settle much faster. It is also said to be considerably more compact and accurate than conventional multi-axis stage stacks. Its parallel-kinematics design and advanced, digital 6D controller minimises unwanted crosstalk motion.

The F-206.S Hexalign system is based on the virtual-pivot-point capability built into the controller. Since Hexapod motion is not determined by fixed bearings but real-time, six-space control algorithms, this point can be chosen freely with a single software command - a prerequisite for fast and accurate alignment tasks. Software for automatic optical alignment: the Hexapod comes with powerful control and alignment software, Labview drivers, DLLs and several programming examples.

When equipped with an optional high-speed photometer card, the Hexapod is said to align arrays, waveguides and collimators up to 10 times faster than conventional multiaxis positioning stages. Application examples: precision positioning, alignment and testing of optics, photonics and MEMS components in nanolithography, micromanipulation and microsurgery.

Comments

Post a Comment

Popular posts from this blog

FUSE SIZING CONSIDERATIONS FOR HIGHER EFFICIENCY MOTORS

Image
When selecting the proper fuse for short circuit protection in motor starting applications, it is important to not only ensure that the fuse will not nuisance open during motor start up times, but also that the fuse will coordinate as required with overload relays. When sizing fuses between 125% and 150% of the motor nameplate current, several advantages, including ease of coordination with an overload device, a smaller disconnect, and increased short circuit protection from a lower fuse rating, can be achieved. However, if sizing at this level prevents the motor from starting, it may then be necessary to increase the fuse ampere rating and it then becomes important to know the NEC sizing limitations. As of June 1, 2016, the US Department of Energy has mandated that newly manufactured electric motors will need to meet NEMA Premium® efficiency standards. As motor efficiencies increase, motor locked rotor currents can also be expected to increase. In addition to this, with across-the-lin...
Read more

What is Class I Division 2?

Image
A Class I Division 2 is a location: (1) In which volatile flammable gases, flammable liquid-produced vapors, or combustible liquid-produced vapors are handled, processed, or used, but in which the liquids, vapors, or gases will normally be confined within closed containers or closed systems from which they can escape only in case of accidental rupture or breakdown of such containers or systems or in case of abnormal operation of equipment, or (2) In which ignitable concentrations of flammable gases, flammable liquid-produced vapors, or combustible liquid-produced vapors are normally prevented by positive mechanical ventilation, and which might become hazardous through failure or abnormal operation of the ventilating equipment. Class I Division 2 Classification Class I Division 2 refers to the ANSI/ISA 12.12.01 standard. This standard was previously UL1604 until UL recommended the newer ANSI/ISA standard be used and that all hazardous location products be certified under this standa...
Read more

7/8 16UN Connectors that Provide 600 Volts and 15 Amps

TURCK announces new A-Size 3 and 4-pin 7/8 16UN powerfast™ connectors that provide up to 600 Volts and 15 Amps of power. These IP67 rated connectors provide a modular wiring system designed to handle high current applications for machine power distribution, while providing resistance to vibration commonly associated with conveyors, motors and material handling applications. The cordsets are available with a tray rated, exposed run PVC flexlife ® cable, with or without STOOW rating, and 14 AWG wires that allow you to replace hard wiring with a robust, quick disconnect system that saves the time and money spent installing a conduit system. The A-Size powerfast line offers male and female, straight connectors, standard and custom lengths, and pigtails or extensions. To make the system complete, fully encapsulated mating receptacles, with 1/2”-14 NPT mounting threads are available.
Read more