TECH FOCUS POSITIONING EQUIPMENT
LASER COMPONENTS FEATURED PRODUCT
Position Sensitive Detectors
Position sensitive detectors (PSDs) offer high accuracy (~2.5µm), excellent resolution and short rise times as fast as 30ns for non- contact alignment, position measurement/detection and machine vision applications. SiTek’s PSDs are available in
wavelengths from 400-1100nm with a variety of options including one dimensional (single axis), two dimensional (two axis), specialist 3D arrays for contour measurement, UV, YAG and nuclear sensors. Application examples include railway bow measurement for fault detection, vibration monitoring, 3D contour
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The M3 family of micro-stages and actuators from New Scale Technologies are all-in-one ‘smart modules’ with built-in
measurements, bridge and tower construction, shaft alignment, robotic guidance, and a variety of machine vision applications. These PSDs can be used
with the SEEPOS PSD processing tool to interface with your PSD and connect directly to your computer, complete with a LabVIEW compatible software package and data analysis suite. The SEEPOS system offers a plug and play style system with real time display including analogue and digital features. Used with the PSD/SEEPOS switch, the operator can easily switch between one to four PSDs.
www.lasercomponents.com/uk/ photodiodes/position-sensitive- detectors/psd
The new MiniSlide MSA series of linear actuators from Haydon Kerk Pittman offers design flexibility with two motor options: a 21mm, size 8 hybrid linear actuator, and a 20mm, 19000 series can stack linear actuator. In addition, there are nine different lead screw options ranging from ~0.3 to 8mm – providing resolution down to 0.001524mm per step, axial forces up to 45N and accommodating stroke lengths of up to 150mm. Finally, four different lubrication options, a rotary encoder feedback option, as well as English or metric
for acceleration/deceleration, and high-speed positioning. Controllable force, stroke length and speed, and maintenance free, the DDLM-019-044-01 can be used with a position sensor and controller for the repeatability and accuracy of a closed loop application. It can be used for applications such as positioning, assembly, sorting, sampling, valve actuation, reagent dispensing or life support.
controllers: easy to integrate into handheld and portable instruments. They enable smaller, smarter imaging systems, scientific instruments, medical devices, aerospace and defence systems, and more. The fully embedded driver electronics allow the devices to be truly miniaturised. Adding further to its compactness are the patented Squiggle and UTAF piezoelectric micro motors. These systems are ideal for compact and portable photonics systems requiring precision motion control.
38 Electro Optics March 2021
mounting hardware standards are available. The MiniSlide series provides pre-engineered versatility for a variety of single and multi-axis applications. By providing a compact, cost-effective and highly- customisable linear motion solution, the MSA is ideally suited for use in lab equipment applications such as sample handling, spectrometers and chromatographers, molecular analysers, optical microscopes and other inspection equipment.
Moticont’s DDLM-019-044- 01 non-commutated linear actuator is zero cogging and fully enclosed. It is just 19.1mm in diameter and has a housing length of 44.5mm and a stroke of 11.7mm. This linear actuator can develop 3.1N of continuous force and 9.7N peak force. Direct coupling of the actuator to the load results in zero backlash and allows
For applications such as vibration excitation or motion control, the acceleration induced by a piezo actuator is an indispensable measurement and control variable. Piezosystem Jena has therefore developed a new acceleration
sensor for high-power actuators that enables this essential quantity to be detected. The compact, miniature size acceleration sensor provides an analogue output voltage proportional to the acceleration, which is then detected by the corresponding signal amplifier from where it can be further processed. This sensor has a measurement range of ± 750g a frequency range of 1Hz to 25kHz, and an output voltage of ±10V. Its applications include modal analysis, vibration control, material testing and mechanical engineering. EO
@electrooptics |
www.electrooptics.com
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