Producs - Nano Dünya

V-931 High Dynamics PIMag® Voice Coil Tip/Tilt Platform

For Fast Steering Mirrors

Beam deflection angle to 8°
Two orthogonal tip/tilt axes with common center of rotation
Identical motion characteristics of both axes thanks to parallel kinematics
Compact design
Durable and friction free thanks to flexures
Noncontact direct position measuring with linear encoders

V-931.01, dimensions in mm

Product Description Description Specifications Downloads Quote/Order

PIMag® voice coil motor

Voice coil motors are direct drives. In direct drives, the force of the drive element is transmitted directly to the load to be moved without the use of mechanical transmission elements such as coupling, drive screw, or gearhead. Voice coil drives consist of a permanent magnet and a winding body that are located in the air gap of the magnetic field. When current flows through the winding body, it moves in the magnetic field of the permanent magnet. Thanks to their low weight and friction-free drive principle, voice coil drives are particularly suitable for applications that require high dynamics and high velocities at limited travel ranges. High scan frequencies and precision positioning are also possible with these drives, because they are free of the effects of hysteresis.

High dynamics multi-axis operation due to parallel kinematics

In a parallel-kinematic multi-axis system, all actuators act on a common platform. The minimum mass inertia and the identical design of all axes allow fast, dynamic, and nevertheless precision motion.

Application fields

Beam stabilization
Satellite communication
Image processing / stabilization
Laser micromachining. Laser tuning. Laser scanning / beam steering with large deflection angles.
Test & inspection: AOI (automated optical inspection). Noncontact profilometry. Sensor testing.
Optics: Optical filters / switches. Optical trapping. Grid scan. Tracking.

Motion	V-931.01	Tolerance
Active axes	θX θY
Rotation range in θX	± 2 °
Rotation range in θY	± 2 °
Linearity error in θX	0.2 %	typ.
Linearity error in θY	0.2 %	typ.
Positioning	V-931.01	Tolerance
Integrated sensor	Incremental linear encoder
Bidirectional repeatability in θX	± 2 µrad	typ.
Bidirectional repeatability in θY	± 2 µrad	typ.
Minimum incremental motion in θX	1 µrad	max.
Minimum incremental motion in θY	1 µrad	max.
Settling time for 100% step in θX	20 ms	max.
Settling time for 100% step in θY	20 ms	max.
Sensor resolution, rotational	1 µrad	max.
Interpolation factor	65536
Sensor supply voltage	5 V	±10 %
Drive Properties	V-931.01	Tolerance
Drive type	Voice coil
Nominal voltage	24 V
Peak voltage	24 V
Nominal current, RMS	0.5 A	typ.
Peak current, RMS	1.5 A	typ.
Force constant	32.8 N·mm/A
Resistance phase-phase	13 Ω	typ.
Inductance phase-phase	1.9 mH
Mechanical Properties	V-931.01	Tolerance
Distance of pivot point to platform surface	-3.2 mm	±0,05 mm
Resonant frequency in θX, unloaded	29 Hz	±20%
Resonant frequency in θY, unloaded	29 Hz	±20%
Overall mass	290 g
Mass without cable	135 g
	V-931.01	Tolerance
Connector	D-sub 15-pin (m)
Recommended controllers / drivers	C-413.2x
Cable length	1 m
Operating temperature range	5 to 40 °C

Peak current, RMS: Max. duration 1.0 s

Settling time for 100% step: 44 mrad, 2% settling band, payload: 1-inch mirror 5 mm thickness

Distance of pivot point to platform surface: Gap below the platform's mounting surface

3D Models

V-931 3-D model

Version / Date

zip - 514 KB

Add to List Remove from List

Datasheet

Datasheet V-931

Version / Date

2021-12-07
pdf - 469 KB

Download

V-931.01

PIMag® tip/tilt platform, voice coil, 4° rotation range

Add to Quote List Remove from Quote List