AsseMec120_MAGGIU_2017

CRONACA
Asse rotativo a comando diretto
L’asse rotativo ad alta velocità a comando diretto
ASR1300 di Aerotech raggiunge accelerazioni fino a
8000 rad/s 2 e velocità superiori a 1500 giri/min in soli
90° di corsa, risultando perfetto per le applicazioni
di tube-handling e i processi di produzione ad
altissima produttività. La velocità massima di 3000
giri/min dell’ASR1300 e la sua eccezionale capacità
di accelerazione derivano da un’ottimizzazione
completa a livello di sistema del rapporto coppiainerzia.
Estremamente agile, l’ASR1300 consente
un miglioramento della produttività e, in ultima
analisi, minori costi di
produzione dei pezzi.
L’ASR1300 è l’asse più
piccolo e dinamico
della famiglia di assi
rotativi ASR di Aerotech.
Con un peso minore
di 2,8 kg, l’ASR1300 è
quasi il 50% più leggero
dell’ASR1200 ed è dotato
di una pinza di serraggio
tipo D integrata.
Direct-drive rotary stage
Aerotech’s ASR1300 high-speed, direct-drive rotary
stage achieves accelerations
of up to 8000 rad/s 2 and reaches speeds greater
than 1500 rpm in only 90° of travel, making it perfect
for the most demanding tube-handling applications
and high-throughput manufacturing processes.
The ASR1300’s maximum speed of 3000 rpm and its
outstanding acceleration capability
result from a full system-level optimization of the
torque-to-inertia ratio. Supremely agile, the ASR1300
facilitates higher throughput levels on supporting
motion equipment and ultimately
lower part manufacturing costs
and increased production
capacity.
The ASR1300 is the smallest
and most dynamic member of
Aerotech’s ASR-series rotary stage
family. Weighing a mere 2.8 kg,
the ASR1300 is nearly 50% lighter
than the ASR1200. Besides, it
features an integral Type-D collet
chuck.
Superior structural design
The HEX300-230HL is actuated with six highaccuracy
struts built with precision preloaded
bearings, ball screws, and drive components.
Unlike competitive hexapods driven by DC
brush servomotors, the HEX300-230HL is driven
by Aerotech’s AC brushless, slotless servomotors
that maximize its performance and longevity.
Directly coupling the AC brushless servomotors to
the ball screw results in increased drive stiffness,
higher positioning accuracy, and better minimum
incremental motion (20 nm in XYZ and 0.2 μrad
for x y z), compared to competitive designs using
belts, gearheads, or compliant couplings.
Specially-engineered strut pivot-joints provide low
friction and high stiffness, enhancing the hexapod’s
overall performance. The HEX300-230HL’s superior
structural design offers the user a generous load
capacity of up to 45 kg.
Design flexibility and preparation
for Vacuum environments
The HEX300-230HL’s platform and base can be
easily modified with user-specific features or
mounting patterns. It features a 100 mm diameter
clear aperture in the platform, while a 60 mm
diameter clear aperture in the base allows
workpiece access from the bottom. The base
mounting holes adapt directly to English and metric
optical tables.
Aerotech hexapods can be vacuum-prepared
for demanding applications such as synchrotron
sample or optics manipulation, semiconductor
manufacturing and inspection, or satellite sensor
testing.
Driving the HEX300-230HL is Aerotech’s awardwinning
A3200 motion control software. Built
on years of experience with difficult kinematics
applications, the A3200 controller allows easy
programming and control of the hexapod in any
user-defined coordinate system.
Finally, Aerotech’s HexSim software gives users
the ability to easily visualize and simulate the
available workspace.
Tight integration between HexSim and the A3200
motion controller provides real-time motion
visualization in any user-defined coordinate system.
An intuitive graphical interface permits selection
of the active coordinate system for easy virtual
pivot-point programming and motion.
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20 MAGGIO-GIUGNO 2017 & meccatronica 120