IOL
and Contact Lens Manufacturing
LENSGEN
The
LENSGEN was designed to
produce
superior quality IOLs,
contact
lenses, and molds.
•
Easy
setup and operation
•
High
throughput with low operating cost
•
Completely
sealed construction
•
Direct-drive
linear motors and air-bearing spindle
•
Water
coolant not required
The
LENSGEN sets new standards of quality, throughput,
LENSGEN
IOL fabricator (above left), and a haptic mill (above right).
and
ease-of-use in IOL and contact lens fabrication. By
taking
full advantage of advanced computer control and
Rock-Solid
Foundation
Aerotech’s
superior motion components, the LENSGEN two-
The
LENSGEN is firmly secured to a solid natural granite
axis
lathe produces aspherical and spherical IOL and contact
machine
base that provides both high rigidity and excellent
lenses
faster and with unsurpassed surface finishes and lens
thermal
stability. Passive vibration isolation elements isolate
form
accuracy.
the
base from its fabricated steel frame. The robust support
frame
houses the LENSGEN control, motor drive chassis,
The
technology behind this superior performance is
and
pneumatic and electrical power plugs.
exemplified
by the high-performance air-bearing spindle that
is
rigidly mounted to the Z-axis stage. Driven by a brushless
Advanced
Control System
servomotor,
this spindle requires no water cooling and offers
The
LENSGEN can be provided with several advanced
infinitely
variable speed control, low air consumption, high
controller
options, from the PC-bus-based U500
to the
radial
and axial stiffness, and minimum runout. It accepts
software-only
Automation
3200. Either controller provides
standard,
low-cost air-actuated collets, permitting
advanced
system software that monitors and controls
fabrication
of many different lens sizes. An LVDT
all
machine functions. An easy-to-use graphical
probe
system verifies lens blank placement
user
interface provides pull-down menus,
before
lathing, preventing any mishap due to
pop-up
windows, and an extensive on-line
incorrect
arbor insertion or other factors.
help
system. The powerful CNC
application
software enables any curvature
LENSGEN
is available with either high
or
lens shape to be easily programmed and
precision
crossed-roller bearings or air
cut.
bearings
for the smoothest, stiffest, and most
accurate
operation. Brushless linear
Built-in
set-up, diagnostic and debugging
servomotors
directly drive the stages, avoiding
tools
provide run-time status messages, help
accuracy
limiting effects such as backlash and
assure
optimum machine performance, facilitate
hysteresis
associated with lead or ball-screw-driven
troubleshooting
and minimize downtime.
stages.
Production
statistics such as run quantities and tool wear are
also
monitored and displayed, providing the information
To
complete a totally backlash-free stage assembly,
necessary
to make timely, informed production decisions.
LENSGEN
comes standard with an effective 10 nanometer
The
flexible software architecture allows us to easily
resolution
scale. An optional 2 nanometer resolution linear
integrate
custom features to meet your special requirements.
encoder
is also available. The LENSGEN stages are
This
flexibility, combined with its upgradable, expandable
completely
sealed to protect the bearings and encoder from
hardware,
protects your initial investment and assures a long
contamination,
prolonging their service life and reducing
service
life for your LENSGEN system.
maintenance
costs.