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Low Cost Gantry Suits Biomedical Pick and Place Automation
Date: 01 November 2010
Heason Technology has developed a new range of low-cost Cartesian style gantry positioning systems for pick and place applications in the growing biomedical and laboratory automation market and other industries where medium precision and medium duty robotic handing for assembly or parts sorting is required.
The design is based on Heason's PLA
leadscrew actuators which feature an extruded aluminium housing and
a robust linear motion guide support bearing system in a compact
modular package that allows XY and XYZ positioning systems to be
designed and built quickly and effectively. The standard range will
accommodate X and Y travel to 300 mm with a 75 mm travel Z
axis.
The microstepping motor driven actuator assemblies can be supplied
complete with drives, motion controls, cable management, overtravel
and datum switches. Further customisation features can include
motor mounted encoders for position verification, handwheels for
manual positioning, pick and place grippers, and other fixtures to
suit application requirements. The T-slot housings are assembled
together using simple clamping nuts that allow the combined
actuators to be assembled in almost any orientation.
The positioning resolution on each axis is determined by the choice
of 1 mm or 6.35 mm pitch leadscrews and is typically between 5 and
25 microns depending upon the microstepping motor resolution used.
Positioning repeatability is specified to 0.025 mm on each axis and
maximum traversing speeds are up to 50 mm/sec.
The parallel base supporting axis employs a simple but effective
timing belt synchronisation technique to ensure that both axes are
driven simultaneously with no tendency to crab. The design can also
be applied for vertical orientation without the need for a costly
counterbalance.
As a leading independent motion control specialist, Heason
Technology's core expertise and sole focus is to provide best in
class motion control components and complete engineered motion
solutions to a broad range of customers in industrial, commercial,
military and aerospace markets. The new medical gantry illustrates
Heason Technology's advanced expertise in mechanical design,
electrical & control design, software and systems
integration.