Physik Instrumente N331 Datasheet N 331
N-331-Datasheet N-331 PICMAWalk Walking Drive
User Manual: Physik Instrumente N-331 PICMAWalk Walking Drive
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PICMAWalk Walking Drive OEM Walking Drive for Durable Applications with up to 15 mm/s Velocity and up to 50 N Push/Pull Force N331 Robust walking drive with PICMA® technology and extreme durability for industrial use Fastest and strongest drive of its size class Variable runner lengths from 25 mm to 100 mm Precise, nanometer precision positioning of loads up to 5 kg Plug-and-play, thanks to PI proprietary controller technology PICMAWalk walking drive The PICMAWalk walking drive combines the high reliability of the PICMA® actuators with the innovative stepping principle of the already established NEXLINE® and NEXACT® drives. Eight actuators arranged in the shape of a V ensure reliable and the highest possible feed motion with a maximum of 60 N holding force, 50 N push/pull force, and a maximum of 15 mm/s velocity. The excellent liftoff behavior of the actuators combined with the perfectly matched flexure guides ensure extremely high durability of the drive over a travel path of 30 km, even for high-demanding continuous load in industrial applications such as alignment of large optics, detectors, and camera set-ups. The modular design of the drives offers the possibility of implementing individual, customized requirements quickly and inexpensively. The robust PICMAWalk walking drive is a reliable and durable drive solution for nanometer precision positioning of loads up to 5 kg. PICMA® piezo actuators PICMA® actuators have all-ceramic insulation and their performance and lifetime are therefore far superior to conventional actuators. The ceramic insulation layer protects the monolithic piezoceramic block against humidity or failure due to increased leakage current. In this way, an especially high reliability is achieved even under extreme ambient conditions. In contrast to motorized drives, there are no rotating parts or friction. The piezo actuators are therefore free of backlash, maintenance, and wear. Flexure guides A flexure guide is an element free of stiction and sliding friction, which is based on the elastic deformation (bending) of a solid (e.g., steel) and does not have any rolling or sliding parts. Flexure elements have a high stiffness and load capacity. They do not wear, require no maintenance, are 100 % vacuum compatible, function in a wide temperature range, and do not require any lubricants. Fields of application Microscopy Automation technology Positioning loads up to 5 kg in photonics applications and permanent image inspection tasks 02.11.2017 Specifications N-331.10 / N-331.13 N-331.20 / N-331.23 Unit Tolerance mm ±0.5 mm N-331.40 / N-331.43 Active axes X Motion and positioning Integrated sensor N-331.x0: Without sensor N-331.x3: With incremental sensor N-331.1x: 30 Travel range (step mode, open loop)* N-331.2x: 55 N-331.4x: 105 N-331.1x: 25 Travel range (step mode, closed loop) N-331.2x: 50 mm N-331.4x: 100 Step frequency** 600 Hz max. Velocity (step mode)** 15 mm/s max. Travel range (analog mode) ±10 µm typ. Resolution (open loop) 0.02 nm typ. Resolution (closed loop) <10 (N-331.x3) nm typ. Endurance (atmospherical operation)*** >30 km Push / pull force (active) 50 N max. Holding force (passive) 60 N max. Mechanical properties Drive properties Drive type PICMAWalk Operating voltage -20 to 120 V Connectors Connector Sub-D 37 (m) Miscellaneous Operating temperature range 0 to 50 Material Aluminum, stainless steel °C N-331.1x: 580 Mass with cable N-331.2x: 610 g ±20 g g ±10 g m ±10 mm N-331.4x: 660 N-331.1x: 110 Moved mass N-331.2x: 140 N-331.4x: 190 Cable length 2.0 Recommended electronics E-712.1AN • E-712.2AN • E-712.3AN * From one mechanical hard stop of the runner to the other mechanical hard stop, only in open-loop operation ** When operating with the E-712.xAN *** Optimally decoupled load of 2 kg with max. 70 % duty cycle and external cooling of the E-712.1AN, at 20 °C and 1013 hPa. Highest endurance within the PiezoWalk® family. All specifications based on room temperature (22 °C ±3 °C). Ask about custom designs! 02.11.2017 Drawings and Images N-331.x3, dimensions in mm. The dimensions for N-331.x0 are identical. N-331.1x: L = 99 mm N-331.2x: L = 124 mm N-331.4x: L = 174 mm Drive dimensions without runner: 55 mm × 55 mm × 31 mm 02.11.2017 The N-331 drive reliably performs repeatable 10-nm steps. An interferometer was used for measuring. Ordering Information N-331.10 Piezoelectric walking drive PICMAWalk, 25 mm travel range, open loop, 50 N push/pull force N-331.13 Piezoelectric walking drive PICMAWalk, 25 mm travel range, incremental sensor, 50 N push/pull force N-331.20 Piezoelectric walking drive PICMAWalk, 50 mm travel range, open loop, 50 N push/pull force N-331.23 Piezoelectric walking drive PICMAWalk, 50 mm travel range, incremental sensor, 50 N push/pull force N-331.40 Piezoelectric walking drive PICMAWalk, 100 mm travel range, open loop, 50 N push/pull force N-331.43 Piezoelectric walking drive PICMAWalk, 100 mm travel range, incremental sensor, 50 N push/pull force Ask about custom designs! 02.11.2017
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