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Nanomotion LS Series Piezoelectric Motors

Piezoelectric Motors with High Resolution for Repetitive Step & Settle Applications

Nanomotion LS Series motors are available in configurations with 2, 4 and 8 elements. The LS Series provides unmatched resolution for repetitive step and settle applications with zero servo dither when in position. The LS Series is capable of reach step sizes in the few nanometres range with a maximum speed of 50mm/sec. The LS2 motor offers 2N force, the LS4 motor offers 4N and the LS8 offers 8N force.

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Key Features of LS Series Piezoelectric Motors

LS Series piezoelectric motors offers unique servo performance at low velocities, with exceptional constant velocity stability. The LS Series is well suited to high step/repeat applications such as auto focus, where small steps are required over a long period of time.

The LS2 motor offers 2N force, the LS4 motor offers 4N and the LS8 offers 8N of driving force.

  • Unlimited travel
  • Maximum velocity: 50 mm/s
  • Exceptional velocity stability at low velocities
  • Minimum increment <20 nm
  • Zero backlash and holds position at power off
  • Silent operation
  • Non-magnetic and negligible EMI
  • Vacuum versions available

Nanomotion LS Motor Specifications

Performance:
Maximum Allowable Velocity: 50 [mm/sec]
Dynamic Stall Force: 9 to 11 [N]
Static Holding Force: 8 [N] (reference value)
Non-Energized Stiffness: 3.3 to 3.8 [N/μ]
Nominal Preload on Stage: 72 [N]
Kf: 3 to 5 [N/Volt command] – driver & command dependent
Kfv: 60 to 80 [N • sec/m]
Offset: 1 to 2 [V] – Driver dependent
Nominal Lifetime: 20,000 hours under nominal operating conditions

Electrical:
Maximal Voltage: 125 Vrms, 39.6KHz, sine wave
Maximal Current consumption : 250 mA rms
Maximal Power Consumption : 6.0 W

Environmental:
Ambient Temperature: 0 – 50°C
Storage: -20°C – +70°C
Humidity: 0 – 80% non condensing

Drive Strips, Rings, and Disks

Nanomotion supplies ceramic drive strips, rings, and CCS Ceramic Coated Steel for all our motor types. Standard strips, rings and disks are available in a wide variety of sizes and shapes. Nanomotion can also provide custom drive strips/rings for different application requirements. The mating drive surface is critical to the motor’s performance. All specifications are based on using Nanomotion’s drive surfaces. Most of Nanomotion’s standard drive strips are provided with vacuum compatible, double sided tape for easy mounting. The motor user manual defines the proper mounting procedure.

Standard Ceramic Strips:

  • CS-X-XX-XXX (X = Height, XX = Thickness, XXX = Length)
  • CS-10-1.5-200: For use with Edge, Edge-4X and HR1 motors
  • CS-10-3-XXX (XXX available up to 350mm): For use with HR1, HR2 and HR4 motors
  • CS-20-3-XXX (XXX available up to 500mm): For use with HR8 motors

 

CCS (Ceramic Coated Steel):

  • CCS-20-3-XXX : For use with HR1, HR2, HR4 and HR8 motors. Contact Nanomotion for available lengths

 

CR (Ceramic Rings):

  • CR (OD-ID-Height- Radial/Axial use)
  • CR-40-32-10-RA : For use with Edge, Edge-4X, HR1, and HR2 motors
  • CR-60-40-10-RA
  • CR-100-80-10-RA
  • CR-150-130-10-RA

Available Lengths:

Length

100 mm, 150 mm, 200 mm, 250 mm, 300 mm, 350 mm, 400 mm, 450 mm, 50 mm, 500 mm

Datasheet

Nanomotion Motor Catalogue

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