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LR23-80

LR23-80

LR23-80

Product catalog summary
Technical Specifications:
The LR23-80 is a piezoelectric motor available in three configurations: standard, standard with extended shaft, and standard with an encoder. It has a diameter of 23 mm and offers a full 360-degree angular range. The speed range at 20°C with no load is 0-160°/s (0-27 rpm) using the Rhomb waveform and 0-114°/s (0-19 rpm) using the Delta waveform. The motor resolution is 14 bits with 8192 microsteps, achieving less than 0.1 µrad per microstep.

Encoder Specifications:
The version with an encoder uses an optical quadrature type with a resolution of 0.4 mrad. The encoder is not available in the other two configurations.

Torque and Load:
The stall torque is 80 mNm, and the holding torque exceeds 80 mNm. The recommended operating range is 0-40 mNm. Maximum radial shaft load is 3 N, and axial load is 2 N, with a maximum shaft press fit force of 5 N.

Electrical and Physical Characteristics:
Operating voltage ranges from 42 to 48 V, with a power consumption of 7 mW/Hz. The motor weighs between 65 and 80 grams depending on the configuration. It operates within a temperature range of -20 to +70°C. The motor housing is made of stainless steel.

Design and Dimensions:
The motor features a compact design with main dimensions provided for precise integration. The LR23-80 replaces the previous LR80 model, offering improved performance and material quality.

Performance Graphs:
Performance graphs illustrate the relationship between full step angle and external torque for both Rhomb and Delta waveforms, highlighting the motor's efficiency and precision under varying conditions.
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Catalog excerpts

LR23-80-1

Technical specification LR23-80 Standard (A), Standard (A) extended shaft Speed range (°/s) @ Rhomb, no load, 20ºC Step angle, full step (µrad) @ Delta, no load, 20ºC Motor resolution, microstep (µrad) 14 bits, 8192 microsteps Built-in encoder Encoder type Optical quadrature Encoder resolution (mrad) Recommended operating range (mNm) Power consumption (mW/Hz) Shaft load, max. (N) radial, 6,5 mm from mounting surface Shaft load, max. (N) axial Shaft press fit force, max. (N) Weight (g) Operating temperature (ºC) Connector Material in motor housing Cable attached, driverdependent Stainless steel Note: All specifications are subject to change without notice. For more information, see www.piezomotor.com. PiezoMotor Uppsala AB Stålgatan 14 SE-754 50 Uppsala, Sweden

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LR23-80-2

With encoder Positioning of the cables against the holes may vary. Without encoder LR23-80 mNm product portfolio • with encoder Without encoder, with extended shaft • without encoder and with extended shaft The 80 mNm version is made in stainless steel. The LR23-80 replaces the previous model LR80. Motor speed at 20°C, no load Waveform Delta Rhomb FULL STEP ANGLE (mrad) • without encoder Speed range EXTERNAL TORQUE (mNm) RHOMB DELTA Motor performance with waveform Rhomb (filled) and waveform Delta (dotted). The full step angle is the average distance the drive disc rotates when the legs take...

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