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Nanomotion Z-Wedge Stage
Date: 27 July 2011
Ceramic motor stage range now has Z-wedge vertical micropositioning
Nanomotion, the leading manufacturer of
piezo-electric motors for precision motion control applications,
has added a new Z-wedge vertical stage to its FB range of compact
nanometre level positioning mechanics. Available in the UK through
Heason Technology, the new vertical stages complement a modular and
compact range of linear, rotary and goniometric stages that
together provide multi-axis and nanometre level translation in all
six degrees of freedom.
The new FBZ075-10 has a classic upper and lower wedge design
featuring a precision grade cross roller bearing arrangement that
maintains excellent stage stiffness, with a side mounted ceramic
motor driving the bottom wedge via a ceramic strip. A linear
encoder, available with optional resolutions from 5 to 100
nanometres, is mounted directly on the vertical translation element
to eliminate potential wedge angle errors.
The moving top plate has full and easy access from all sides and
measures 75 mm x 75 mm with a maximum height of 48 mm. The compact
FBZ stage has a vertical travel range of 10 mm and a load carrying
capacity of 2 kg.
The FB range utilises Nanomotion's HR series high force ceramic
motors providing a wide dynamic speed range from a few microns per
second up to 250 mm per second - with very high acceleration
characteristics.
Aimed at demanding ultra-high precision applications such as
semiconductor, biomedical and opto-mechanical systems, the
technology has no intrinsic magnetic field or moving parts and is
well suited to ultra-clean and vacuum environments.
Ceramic motor technology essentially has built-in braking and
holding capability and is an excellent choice where high stiffness
motion control needs to be combined with fast settling times and
optimum in-position stability.
FB series linear positioning stages are available in travel ranges
from 20 mm to 300 mm are available with direct loads to 3.75 kg.
With goniometric style rotary stages available as well as full
rotary models, users can arrange multi-axis positioning mechanics
around a central pivot axis with angular resolution down to a few
arc-seconds. Customised linear, rotary and Z-wedge stages are also
available from Nanomotion, with modified features to exactly match
application requirements for OEMs and system integrators. Dedicated
20 kHz servo drives from Nanomotion, or other compatible drives
from Heason, are available together with a complete range of motion
controllers for nano scale positioning.