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Laser The laser is the source of curing energy in the Form 3. It has a 405 nm
violet diode and a maximum output of 250 mW. The Form 3 is a Class 1
laser product.
Lead screw The lead screws are threaded rods that controls the vertical motion of
the build platform carriage and the horizontal motion of the LPU housing.
LevelSense Two inductive coils determine the amount of resin in the tank by
detecting the relative height of the float.
Leveling feet Each corner of the printer is supported by a rubber foot that is threaded
into the bottom of the machine. When prompted by the touchscreen, use
the leveling disc to raise or lower each foot to ensure that the printer is
acceptably level.
Light Processing Unit (LPU) The interchangeable assembly contains the laser and the mirrors that
control the path of the laser, ensuring a clean, crisp laser spot. The LPU
is secured in the right-hand side of the LPU housing.
Light Processing Unit (LPU)
cable
A flat, flexible cable connects the LPU to the motherboard.
Light Processing Unit (LPU)
housing
The aluminum housing for the optics engine moves left and right,
traveling along the X-axis lead screw. The LPU, roller holder, and mixer
are all controlled within the LPU housing.
Limit switch board A single board connects to two optical sensors to detect when the
build platform carriage reaches the top of the tower and when the build
platform is installed.
Low Force
Stereolithography (LFS) 3D
printing
An advanced form of stereolithography (SLA) with integrated image
processing to deliver an ideal laser spot and cure solid isotropic parts
from liquid resin.
Mixer Each resin tank includes a mixer that improves print consistency by
clearing the build area and circulating the resin. The mixer attaches to
the roller holder with magnetic coupling and rests under the mixer case
when not in use. Scrapers on the top and bottom of the mixer clear the
build platform and film, respectively.
Mixer case When not in use, the mixer rests in a partially enclosed compartment on
the left side of the resin tank. The float is permanently attached inside
the mixer case.
Motherboard The motherboard is the main circuitry through which all systems in the
printer communicate.
Platform lock This lever is part of the locking mechanism that secures the
build platform.
Platform lock set screws These three screws are used for adjusting the tension in the platform
lock. Contact support before adjusting these screws, as improper
adjustment can lead to damage to the machine.
Platform lock spring The spring mechanism inside the build platform carriage allows the
platform lock to move up and down. It also mechanically locks and
unlocks the build platform.
Power supply The Form 3 utilizes a 100–240 V ~ power supply. The internal power
supply converts line power to +24V DC.
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