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Heason's H Series Actuator
Date: 19 December 2011
New low cost linear actuator range is adaptable and flexible
Heason Technology's new H series linear
actuators are aimed at OEM positioning applications in automated
manufacturing and test equipment where competitive cost vs.
performance and maximum flexibility is required.
With seven selectable travel ranges from 25mm to 300mm, commercial
or precision grade positioning options and a choice of integrated
or separate stepper motor/drive combinations, the H series actuator
features a modular and smart design that provides a flexible
mounting system for XY, XYZ and Gantry systems as well as
telescopically arranged linear axes for extended Z-axis
travel.
The H series actuator design is based on an extruded profile
housing with T-slots that facilitate multi-axis actuator mounting,
optional limit switches and customer fixtures. A fixed cover plate
provides additional protection and is arranged to allow
unrestricted carriage travel. The carriage, which may be moving or
fixed, is supported by a sturdy linear guide bearing for maximum
rigidity and a choice of commercial or precision grade leadscrews
are available to suit application performance and budget. A
flexible coupling and anti-backlash nut arrangement guarantees high
stiffness with repeatability stated at 0.2 microns for the
commercial grade option and 0.1 microns for the precision grade
version.
Extremely compact multi-axis configuration is possible using Heason
Technology's recommended DSMS series stepper motors which have
integrated microstepping drives for much reduced system wiring.
With up to 51,200 steps/rev the maximum positioning resolution is 2
microns with traverse speeds to 170 mm/sec. Separate motor and
microstepping drive combinations are available which can include
through shafts for rear mounted manual knobs - or stages may be
fully manually driven.
Heason Technology can provide fully customised systems based on the
H series using its in-house design service. Bespoke options may
include encoders for position verification or servomotor driven
systems, alternative pitch leadscrews or ballscrews, and chain type
cable management.
Motion controllers suited to the H series include Baldor's
NextMove-ESB-2 panel mount motion controller. With up to 4 axes of
stepper or servo control, digital and analogue I/O, memory and
optional HMI interfacing, the controller features the widely used
MINTT multitasking BASIC programming - or may be programmed with
embedded 'C' or ActiveX components for host controlled
applications. The ESB-2 includes simple-to-advanced motion control
from point-to-point axis moves to interpolated compound moves that
are synchronised with I/O events or external encoders. The
controller can work as a stand-alone machine controller or with
PLCs and other PC based machine control systems.