PI U

Jan 02, 2024

Need more information?

Let us help you with your inquiries, brochures and pricing requirements

PI's ultra-low profile ultrasonic linear-motor-driven U-651 series of rotary stageswas designed for high-speed, high-stability positioning tasks with limited space. These stages are the lowest profile closed-loop linear motor equipped micropositioning systems in the industry. Based on PI's proprietary PILine® ultrasonic ceramic motor technology (US Pat. No. 6,765,335) these stages provide velocity to 720 deg/sec, with very rapid start/stop behavior while holding a stable position with zero energy consumption when at rest.

PILine® stages are particularly suitable for applications that require fast precision positioning. When switched off, the self-locking drive holds the position of the stage mechanically stable. Energy consumption and heat generation is therefore considerably reduced. Applications with a low duty cycle that are battery-powered or heat-sensitive benefit from these characteristics. The position of the axis is measured by an encoder and an optical reference switch allows reliable repeatable motion. The piezomotor drive principle and its electrical operation is inexpensive and can be customized.PILine® ultrasonic piezomotors

An integral part of a PILine® ultrasonic piezomotor is a piezo actuator that is preloaded against a movable, guided runner via a coupling element. The piezoceramic actuator is excited to ultrasonic oscillation by a high-frequency AC voltage between 100 and 200 kHz. Deformation of the actuator leads to periodic diagonal motion of the coupling element relative to the runner. The feed created is a few nanometers per cycle; the high frequencies lead to the high velocities. Preloading the piezoceramic actuator against the runner ensures self-locking of the drive when at rest and switched off.Direct position measurement with incremental encoder

Noncontact optical encoders measure the actual position directly at the motion platform with the greatest accuracy so that nonlinearity, mechanical play or elastic deformation have no influence on position measuring.

With crossed roller bearings, the point contact of the balls in ball bearings is replaced by a line contact of the hardened rollers. Consequently, they are considerably stiffer and need less preload, which reduces friction and allows smoother running. Crossed roller bearings are also distinguished by high guiding accuracy and load capacity. Forced guiding of the rolling body cages prevents the roller bearings from creeping.

L-239 Motorized Precision Linear Actuator with Closed-Loop Motor from PI micos

A-62x PIglide RM Rotation Stage with Air Bearings and Closed-Loop Encoder from PI

DT-80R Motorized Rotation Stage - Compact and High Speed - PI Micos

ES-100 Precision Vertical Elevation Stage with Closed Loop Motor from PI micos

H-206 Automated Fiber Alignment System - 6-Axis, High Precision - Physik Instrumente

H-820 Low-Cost Hexapod Parallel-Kinematics 6 Axis Positioning System from Physik Instrumente

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

H-850K Parallel Kinematics Hexapod Precision Positioning System for Ultra-High Load from Physik Instrumente

High-Speed Automated Photonics Alignment System F-712 FMPA by PI

L-310 Precision Vertical Elevation Stage with Closed Loop Motor from PI

L-412 and L-417 High-Load Linear Stage Family for Industrial Precision Automation and Motion Control

L-511 Motorized Precision Linear Positioner from PI

L-731/V-731 Planar XY-Precision Linear Stages for Industrial Automation from PI

Linear Motor Actuator for Automation, Voice Coil Drive-V-273 from PI

Low-Cost Piezo Flexure Linear Actuator - P-603 from PI

Low-Profile High-Speed Stage with Ultrasonic Piezo Linear Drives & Direct Position Measurement

LPS-24 NanoPositioning Stage with Miniaturized Dimensions and Piezo Motor from Physik Instrumente

LPS-45 Miniature Linear Piezo Positioning Stage from PI micos

LPS-65 Precision Linear Piezo Positioning Stage from PI micos

M-116 Precision Miniature Motorized Rotation Stage from Physik Instrumente

M-122 Miniaturized Precision Linear Positioning Stage with Linear Encoder from Physik Instrumente

M-687 XY Motorized Microscope Stage with High Precision Closed Loop Piezo Motor from Physik Instrumente

M-811 Compact Vacuum Compatible Parallel-Kinematics 6-Axis Hexapod Stewart Platform

M-850K Hexapod Precision Positioner for Astronomy and Outdoor Operation from Physik Instrumente

Manual Precision XY Microscope Stage, M-545.2M from PI

MCS XY-Precision Linear Positioner for Metrology from PI micos

N-470 PiezoMike Nanopositioning Motor Actuator from Physik Instrumente

N-603 Closed-Loop Piezo Linear Stage with 2mm Travel Range from Physik Instrumente

N-900 Non-Magnetic Linear Actuator / Piezo Linear Motor

P-630 High-Speed Piezo Positioner from Physik Instrumente

P-725KHDS PIFOC® High Dynamics Objective Lens Scanner from Physik Instrumente

P-763 Closed-Loop Piezo XY Nanopositioning System from Physik Instrumente

P-911K UHV-Compatible Miniature Piezo Hexapod from Physik Instrumente

PI M-228 Cost Efficient Stepper Motor Actuators

PI M-403 Low Cost Precision Linear Stages

PI P-545 PInano™ XYZ Piezo Stages for Super-Resolution Microscopy

PI P-736 PInano™ Z, Piezo-Z Slide Scanner

Piezo Assemblies for Nano-Dosing, Micro Pumps and Valves in Medical Engineering

Piezo Linear Nanopositioning Motor - N-216 NEXLINE® from PI

PIFOC® Long Travel Piezo Microscope Lens Positioner from Physik Instrumente

PInano Super Resolution Microscope Piezo Scanning Nano-Positioning XY Stage from PI

PLS-85 Vacuum Precision Linear Positioner from PI micos

Precision 6-Axis Parallel-Kinematics Positioning System - Q-845 from PI

Precision Parallel-Kinematics Positioning System - SpaceFAB SF-3000 from PI micos

Precision Rotation Stage - Low Profile, Air Bearings, Direct Drive

Precision XY Linear Positioning Stage, Linear Motor-Driven and Linear Encoders, M-686 from PI

Programmable Shims - Nanometer Precision - PIRest

PRS-200 Precision Motorized Large Aperture Rotation Stage from PI Micos

Q-545 Miniature Linear Piezo Positioning Stage from PI

U-628 Miniature, High Speed, Closed-Loop Rotary Stage from Physik Instrumente

UHV Vacuum Nanopositioning Stage from Physik Instrumente

Ultra-High Accuracy Nano-Positioning Linear Stage with Linear Motor-N 565 from PI

Ultra-High Accuracy Nano-Positioning Linear Stage with Linear Motor-N 664 from PI

UPR-270 Air: Rotation Stage with Ultra-High Precision Air Bearings and Closed-Loop Angular Encoder from PI micos

V-551 Precision Linear Motor Stage with Absolute Encoder and 0.5nm Minimum Incremental Option from PI

Vacuum Nanopositioning Stages - P-915 from PI

WT-90 Precision Motorized Goniometer Cradle from PI micos

XY Motorized Microscope Stage, M-545 from PI

XYZ Positioning Stage System for Fiber Alignment and Photonics Alignment - F-131 from PI