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www.dynamic-structures.com
salesinfo@dynamic-structures.com
615-595-6665
Specialty Motion System Design Prototype design, development and testing Flexure-based, solid state mechanism designs to eliminate
backlash and stiction Active/smart materials including piezoelectric (PZT) and shape
memory alloy (SMA) materials Designs for geometric requirements and environmental
constraints (vacuum, non-magnetic, space-based)
System Controls Design Open- and closed-loop motion control of piezoelectric and
electromagnetic systems RS-232 and USB communications, DLLs, LabVIEW VIs for
system implementation Sensor integration for high-resolution and high-accuracy
position control
Mechanical Design and Analysis Structural analysis (linear and nonlinear) Dynamic modal and transient analysis FEA-optimization of mechanisms and structures
About DSM
Dynamic Structures and Materials, LLC (DSM)
specializes in the design, development, integration, and
support of micropositioning, nanopositioning, and
robotic positioning devices and systems for precision
motion control applications in the semiconductor,
aerospace, medical, and research industries.
DSM's core competencies in the design and integration
of specialty piezoelectric actuators and stages, piezo
amplifiers and drivers, and robotic platforms enable
innovative positioning solutions for unique applications.
Precision Motion Products
DSMs products include standard positioning devices and systems as
well as application-specific custom designs.
Piezoelectric Actuators and Stages Suitable for dynamic and static positioning 0.1 mm to 10 mm displacement range
Micropositioning and Nanopositioning Systems Piezoelectric and/or electromagnetic drive options Solid-state, flexure-based mechanisms Customized geometries and optional vacuum compatibility Application-specific electronics and software
Piezoelectric Amplifiers & Controllers - Circuit Design Electronic drivers for driving large capacitive (PZT) loads at high
switching frequencies High-power, benchtop VF linear amplifiers Closed-loop SA servo amplifiers for stand-alone or integrated
motion control platforms: digital I/O, RS-232 communication,
LabVIEW VI, user configurable PID gain parameters
Nanopress
Robotic gripper
FPA-100E
FPA-2000E
ZSA-1000
200 µ
µ
µ
µm XY system
Multi-channel electronic
assemblies
Analog/digital
circuit design
services
Machine design
Dynamic Structures & Materials, LLC www.dynamic-structures.com
salesinfo@dynamic-structures.com
615-595-6665
Description
DSM's NA-25 and NA-80 actuators are direct-drive
piezoelectric actuators integrated into a protective
metallic frame. The frame is a monolithic piece of
stainless steel or titanium alloy with a flexure-based
expansion component. The flexure minimizes the
resistance that the frame might impart to the
piezoelectric actuation. The frame also includes
standard threaded receiver holes at the top and
bottom
and incorporates a preload mechanism. The
mechanical preload maintains compression on the
piezoelectric ceramic under high tensile forces and
ensures bi-directional operation. The design thus
provides increased resilience to mechanical loads
when compared to non-preloaded actuators.
The NA-25 and NA 80 are well-suited to many
applications where high force and high frequency
response are required.
Custom Actuators
The NA architecture can be readily adapted and
scaled to other force and stroke ranges.
NA-25, NA-80
Preloaded Piezoelectric Actuators
Specifications
Property
NA-25
NA-80
Stroke (µm) ± 10% :
25
80
Stiffness (N/ µm) ± 10%
60
18
Unloaded Fixed Free
Resonant Frequency (kHz):
>8
>4.5
Blocked Force Estimate (N): 1800
1400
Tension Preload Options:
500 to 1500 N
NA-25 Dimensions:
0.43 x 0.50 x 1.06
NA-80 Dimensions:
0.5 x 0.5 x 2.9
Models
The actuators are generally manufactured with low
voltage (150V) piezo material, but other piezo
materials and voltages are available by request.
NA actuator models are available that can
accommodate a 500-1500 N tensile force on the
output of the actuator. Titanium and stainless steel
materials are available. Higher forces and strokes
can also be accommodated by increasing the size
of the piezoelectric core material.
0
10
20
30
40
50
60
70
80
90
-50
0
50
100
150
200
250
Voltage
Displacement (microns)
NA-80 Step Response Behavior (z<i>oomed in - 1 ms/div)
Direction of
motion
Direction of
motion
NA-25
NA-80
NA-80 Voltage/Displacement www.dynamic-structures.com
salesinfo@dynamic-structures.com
615-595-6665
Description
DSM's FPA-80E Mini is a flexure-based
piezoelectric actuator ideal for both dynamic and
static applications where precise and accurate
positioning is required. The FPA-80E Mini is
mechanically preloaded to ensure bi-directional
operation, providing increased resilience to
mechanical loads when compared to non-preloaded
actuators. The kinematic mechanism provides
high-stroke operation in an exceptionally small
package.
The FPA-80E Minis compact design is well-suited
to many applications and comes standard in a
durable, non-corrosive stainless steel design pre-
tapped with threaded mounting holes to match a
customers requirements.
Custom Actuators
DSM has extensive experience in actuator design
for specialized force or stroke requirements.
Customers are encouraged to contact DSM
regarding any specific actuator requests.
Highlights
Preloaded for bi-directional operation
Standard low voltage (150V) piezo material
Stainless steel amplification frame
Parallel mounting surfaces
Vacuum compatibility upon request
FPA-80E Mini
Flextensional Piezoelectric Actuator
Specifications
Stroke:
80 µm ± 10%
Stiffness:
0.5 N/µm ± 10%
Unloaded Resonant
1700 Hz ± 5%
Frequency:
(fixed-free)
Blocked Force Estimate: 40 N
Dimensions:
8 x 10 x 17 mm
Material:
Stainless steel
Models
The FPA-80E Mini actuator is generally
manufactured with low voltage (150V) piezo
material, but other piezo materials and voltages
are available by request.
Direction of
motion
0
10
20
30
40
50
60
70
80
90
-40
-20
0
20
40
60
80
100
120
140
160
Voltage
D
i
s
p
l
a
c
e
m
e
n
t

(
m
i
c
r
o
n
s
)
Dynamic Structures and Materials, LLC, 205 Williamson Square, Franklin, TN 37064
phone - 615.595.6665 fax - 615.595.6610
info@dynamic-structures.com www.dynamic-structures.com
Displacement
A06-00265
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
5
0
200
400
600
800
1000
1200
1400
1600
1800
2000
Frequency (Hz)
M
a
g
n
i
t
u
d
e

(
d
B
)
-190
-100
-10
80
170
P
h
a
s
e

(
d
e
g
)
Magnitude
Phase
Dynamic Structures and Materials, LLC, 205 Williamson Square, Franklin, TN 37064
phone - 615.595.6665 fax - 615.595.6610
info@dynamic-structures.com www.dynamic-structures.com
Frequency Response
A06-00265 www.dynamic-structures.com
salesinfo@dynamic-structures.com
615-595-6665
Description
DSM's FPA-100E is a flexure-based
piezoelectric actuator ideal for both dynamic
and static applications where precise and
accurate positioning is required. The FPA-100E
is mechanically preloaded to ensure bi-
directional operation, providing increased
resilience to mechanical loads when compared
to non-preloaded actuators. The kinematic
mechanism provides high-stroke operation in
an exceptionally small package.
The FPA-100Es compact design is well-suited
to many applications and comes standard in a
durable, non-corrosive stainless steel design
pre-tapped with threaded mounting holes to
match a customers requirements.
Custom Actuators
DSM has extensive experience in actuator
design for specialized force or stroke
requirements. Customers are encouraged to
contact DSM regarding any specific actuator
requests.
Highlights
Preloaded for bi-directional operation
Standard low voltage (150V) piezo material
Stainless steel amplification frame
Parallel mounting surfaces
Vacuum compatibility upon request
FPA-100E
Flextensional Piezoelectric Actuator
Specifications
Stroke:
140 µm ± 10%
Stiffness:
1.0 N/ µm ± 10%
Unloaded Resonant
1400 Hz ± 5%
Frequency:
(fixed-free)
Blocked Force Estimate: 140 N
Dimensions:
17 x 28.5 x 12 mm
Mass:
22 g
Models
The FPA-100E actuator is generally
manufactured with low voltage (150V) piezo
material, but other piezo materials and
voltages are available by request.
Voltage - Displacement
FPA-100
0
20
40
60
80
100
120
140
160
-40
-20
0
20
40
60
80
100
120
140
160
Voltage
Displacement (microns)
Frequency Response
FPA-100
-80
-70
-60
-50
-40
-30
-20
-10
0
0
200
400
600
800
1000
1200
1400
1600
1800
2000
Frequency (Hz)
Magnitude (dB)
0
50
100
150
200
250
300
350
400
Phase (deg)
Magnitude
Phase
Direction of
motion www.dynam