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Heason Launches Positioning Actuator System for Life Science Applications
Date: 17 November 2009
Heason Technology has launched a new low- cost modular actuator range for pick & place and sample dispensing in life science and other analytical equipment applications.
The PLA range features an extruded anodised
aluminium housing with a stepper motor driven leadscrew drive and
precision recirculating ball linear guide bearings. The range is
supplied complete with microstepping drives and a motion controller
for a complete solution that is easily integrated into the
customers' machine.
The modular T-slot housing profile allows the use of clamps or nuts
to easily assembly multi-axis X-Z, and X-Y-Z positioning systems
with a per-axis travel range from 75 mm to 300 mm. The flexible
mounting system also provides the possibility to parallel-mount
actuators and telescopically extend travel over a range to fulfil
Z1 and Z2 axis 'Syringe' and 'Plunger'
requirements - typically found in sample dispensing systems.
The PLA range is designed for medium precision and medium duty use
with positioning resolution between 5 and 25 microns using 1 mm to
6.35 mm pitch leadscrews. Positioning repeatability is specified
down to 0.025 mm and maximum traversing speeds up to 50 mm/sec.
Specifications are based upon open loop motion control with 200
steps/rev hybrid stepper motors and microstepping drives. For
higher speeds, increased resolution or improved repeatability,
Heason Technology can customise the range using its own in-house
design service - adding servo motors, encoders and alternative
pitch leadscrews or ballscrews.
The range includes optional chain type cable management and
hall-effect limit sensors are fitted in the housing slots to adjust
the safe travel range and maximise application flexibility. Motor
and home switch connection is by means of flying leads and
miniature connectors, making interfacing to the customers'
equipment straightforward. The NEMA 23 frame stepper motors include
through shafts with fitted hand-wheels for manual operation and
setting up.
The IMS range is supplied complete with microstepping drives from
Danaher and motion controls from Baldor - both distribution
partners of Heason Technology. Danaher P7000 series microstepping
drives maintain excellent motor smoothness coupled with high
torque/high speed capability and are perfectly complemented with
Baldor's NextMove-ESB-2 panel mount motion controller. Supplied
with up to 4 axes of stepper control (or servo as an option) with
digital and analogue I/O, memory and optional HMI interfacing, the
32-bit/120Mhz DSP based controller features MintMT multitasking
BASIC programming - or for host controlled applications, embedded
'C' or ActiveX component programming.
The ESB-2 provides a comprehensive selection of simple-to-advanced
motion control from point-to-point individual axis moves to
interpolated compound moves that are synchronised with I/O or
external encoders. The controller can work as a stand-alone machine
controller or with PLCs and other PC based machine control
systems.
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