Linear Actuators, Micro Precision Motorized Actuators

Piezo motor driven linear actuators are smaller, more precise and faster than most conventional motorized linear actuators

Servo- and Stepper Motor Actuators

Low-Cost Micro Precision Stepper-Motor Actuators, M-228, M-229

• Cost-Efficient Design
• 10mm / 25mm Motorized Positioning Range
• 46 nanometers Resolution (with C-663 Controller)
• To 80 N Push Force
• Non-Rotating Tip
• Direct Drive for high Speed to 5mm/second
• Limit and Home Switches

These low-cost micro- positioning actuators are equipped with high-resolution direct drive and gear-head stepper motors. The stepper mikes can push or pull loads up to 80 N, and provide speeds up to 5mm/second.

Ultra-High Precision Compact Actuators, Servo Motors & Stepper Motor, M-230

• 50 Nanometer Minimum Incremental Motion
• Velocity to 2mm/second, Non-Rotating Tip
• Closed-Loop Servo Motors or Stepper Motors
• Limit and Home Switches
• Front Mount or Clamp Mount
• 10mm & 25mm Motorized Positioning Range
• >5,000 Hours MTBF

These ultra-high-resolution micro - positioning actuators come with closed-loop servo motors or stepper motors.

Compact High-Precision Micropositioning Actuator, Model L220: 3 Inch Travel

• 100 Nanometers Minimum Incremental Motion
• 1/2" to 3" Motorized Positioning Range
• Velocity up to 3.5mm/second
• Closed-Loop Servo & Stepper Motor
• Home & Limit Switches

The L-220 a high-accurady linear actuator providing linear motion up to 77mm (3 inch) with sub-micron resolution in a compact package. It consists of a precision ballscrew and a closed-loop Servo motor/gearhead combination with motor-shaft-mounted, high-resolution encoder.

Folded, High-Precision, Closed-Loop Micro Actuator Model M-232: 17mm

• 17mm Motorized Motorized Positioning Range
• 0.1 Micron Minimum Incremental Motion
• Velocity up to 2.5mm/second.
• Closed-Loop Servo Motor
• Compatible with Leading Industrial Motion Controllers
• Home & Limit Switches
• Fits M-105 & F-110 Fiber Aligners
• >5,000 Hours MTBF

This precision micro- positioning actuator features a space-saving design with a leadscrew side-by-side to a closed-loop Servo motor.

High Force / High Precision Micro Positioning Actuator Model M-235: 20mm and 50mm

• 120 N Push/Pull Force, 100 N Lateral Force Limit
• Vacuum Option
• Motorized Positioning Range to 50mm
• 0.1 µm Minimum Incremental Motion
• High-Speed Direct Drive Option
• Preloaded Ultra-Low-Friction Ball Screw with Non-Rotating Tip
• Closed-Loop Servo Motors and Stepper Motors
• Home & Limit Switches
• >20,000 Hours MTBF

These high force, ultra-high-resolution micro- positioning linear actuators provide linear motion of up 20mm and 50mm, resp. with sub-micron resolution. The integrated low-friction ballscrew is driven by a closed-loop servo motor or a stepper motor.

High Force, High Precision Micro Positioning Actuator with Linear Encoder Model M-238: 400N, 50mm

• 400N Force, 50mm Motorized Positioning Range, 30mm/second
• 0.1 µm Linear Encoder Option for Ultra-High Accuracy
• Home & Limit Switches
• Preloaded Zero-Backlash Ball Screw
• MTBF > 20.000 h
• Vacuum Option

The M-238 is a high-force micropositioning linear actuator. It provides linear motion up to 50mm, a load capacity to 400 N and high velocity to 30mm/second. Its low-friction, ballscrew, is driven by a closed-loop servo motor with integrated power amplifier. For applications with the highest precision requirements, an integrated linear encoder is available.

High-Resolution Micropositioning Motorized Actuators with Servo Motors, M-227 Series

• Very Compact
• Motorized Positioning Ranges 10mm, 25mm, 50mm
• 50 Nanometer Minimum Incremental Motion
• Closed-Loop Servo Motor and Non-Rotating Tip
• Piezo Option for Sub-Nanometer Resolution
• >5,000 Hours MTBF

These compact micro- precision actuators can be used when small dimensions and/or high velocity are of the essence.

High-Resolution Stepper-Mike Actuators

• 10 & 25 Motorized Actuators
• Resolution <0.1 Microns
• 2-Phase Stepper Motor Direct Drive
• Convenient Prepositioning with Manual Knob
• Piezo Option for Sub-Nanometer Resolution

These precision stepper-motor driven micro- positioning actuators provide motion to 50mm with 0.1 micron resolution. The 2-phase stepper motor direct drive provides velocity to 5mm/second.

Piezo Motor Actuators, High Precision

Compact High-Precision PiezoWalk® Stepping Motor Actuator, N-310

• Push/Pull Force: 10N
• 125mm Piezo-Motorized Positioning Range
• Compact and Cost-Effective Design
• Sub-Nanometer Resolution
• Low Operating Voltage
• Self Locking, with no Heat Dissipation, Nanometer Stability
• Non-Magnetic and Vacuum-Compatible Working Principle

These miniature linear actuators are driven by the PI's patented PiezoWalk® ceramic motor drives and provide positioning ranges from 10mm to 125mm in a very compact package 1x1x0.5". Depending on the sophistication of the driver electronics they provide precision in the sub-micrometer / or sub-nanometer range.

NEXACT® Piezo Stepper Micro-Manipulator / Nano-Manipulator, N-381

• Dual-Mode Piezo Stepping Drive designed for Micro- and Nano-Manipulation
• 30mm Positioning Range, Smooth Motion up to 10mm/second
• High Force Generation, Very Fast Acceleration, e.g. for Cell Penetration
• 20 nm Linear Encoder Option / or Open-Loop Operation
• Self Locking at Rest, no Heat, no Jitter
• Vacuum & Nonmagnetic Options

These PiezoWalk linear-motor driven actuators have all the ingredients for micro-and nano-manipulation such as required in neuroscience, biotechnology and nanotechnology. Very smooth motion, high-dynamics with rapid acceleration, sub-nanometer resolution and high long-distance velocity of 10mm/second. The dual mode drive provides long travel walking motion and a continuous "analog mode" with piezo-class resolution and response over 7 microns. This mode can be used for rapid acceleration such as required in cell penetration applications, or smooth motion for dynamic laser tuning and also for dynamic damping of oscillations.

Piezo Motor Actuators, Compact

PiezoMike: Piezoelectric Micrometer Drive; P-853

• Sub-Nanometer Resolution
• Alternative for Standard Micrometers
• Manual Positioning Range to 18mm
• High-Resolution Piezo Motion to 25 Micron
• Dynamic Operation to 10 Hz

P-853/P-854 PiezoMikes feature a flexure guided piezo actuator combined with a manual micrometer. Sensitivity of the micrometer is 1 µm. By controlling the piezo voltage, the micrometer tip is automatically moved in and out (up to 25 µm) relative to the manually set position. Resolution of the piezoelectric motion is in the sub-nanometer range.

Stick Slip Piezo Motor Actuator: Low Cost, Compact, High Force, N-412

• Quiet Drive Principle (High Drive Frequency)
• Easy integration with Flange and bottom Mount
• High Velocity for Stick / Slip Motor: 5 mm/second
• Sub-µm Resolution
• High Holding force to 10 N
• Self-Clamping, Energy Efficient Design with no Power Consumption at Rest

The new N-412 series of OEM stick slip type inertial linear piezo motor actuators combine high speed, force and compact dimensions.

More High Speed Precision Linear Actuators from PI