The ML miniature linear actuator has
already showcased high performance and accurate linear guidance in the
medical laboratory environment, but recently a medical supply company
decided to incorporate the small actuator into a cabinet locking system.
Using their smallest model, PBC Linear helped this medical company
design an automated keypad lock for a transportable medical storage
unit.
Security is of the utmost importance when
housing delicate and expensive medical supplies. To maintain control
over their stock of medicine, tools and other delicate devices used, the
medical supply company required a linear positioning system small
enough to fit into their compact drawers and installed into a keypad
lock system. The lock relied on the precise smooth and quiet linear
motion to successfully operate the locking pin in and out of position.
Traditionally in these systems, a solenoid is used to operate the
locking mechanism; however the clinic found solenoids to be too
inaccurate to reliably and repeatedly perform the necessary tasks.
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Compact and robust, the ML only measures
about 28mm x 32mm in width and height, with lengths available as short
as 190mm. The ML’s profile is precision machined using PBC Linear’s
proprietary SIMO™ (Simultaneous Integral Milling Operation) process. The
SIMO™ process utilizes multiple mills working together to machine all
the actuator’s critical surfaces simultaneously to ensure accuracy and
smooth linear motion at no added cost! This provides a low cost,
remarkably straight actuating system without bow, or twist. The ML is
also equipped with a special, no maintenance self lubricated polymer
slider to support the actuator’s compact design and facilitate stable
linear guidance.
After installation, the medical clinic
reported satisfaction with their locking systems. The compact linear
actuator easily fit into the small space, and supplied more than
efficient precision motion to dependably lock and unlock the portable
medical cabinets whenever they were needed.
