Note:
Consider the size and geometry of each part when choosing a post-cure cycle for the Form Cure L.
The Form Cure L V1 requires time to preheat and reach the specified temperature before the 405 nm lights begin post-curing. The heating time depends on the current temperature and the target post-cure temperature.
Before you begin
Before inserting a printed part into the Form Cure L:
Note:
Consider the size and geometry of each part when choosing a post-cure cycle for the Form Cure L.
Fully dry printed parts after washing. Check internal and external surfaces. Curing parts that are not fully dry may trap solvent inside the parts, prevent parts from strengthening, or affect quality. Once parts are fully dry:
Notice:
The printed part must be in the Form Cure L while it preheats. If a part is not placed inside the device until preheating is complete, the part may crack.
Setting the time and temperature
The Form Cure L has presets for each resin type that you can select through the touchscreen. When Formlabs releases new resins, new resin formulations, or new layer thicknesses, update the firmware on your Form Cure L for the new presets.
Note:
Depending on the size of your printed parts and their geometry, you may need to adjust the recommended post-cure settings.
Using presets
Manually setting time and temperature
Post-curing cycle
After you tap Start, the Form Cure L begins heating. Once the machine reaches the selected temperature, the LEDs activate, and the timer starts. To pause the post-curing cycle, use the touchscreen or open the door.
Adjusting the post-cure time
Depending on the size of your printed parts, their geometry, and the resin type, you may need to adjust the recommended post-curing time.
To adjust the post-cure settings:
Considerations for specific geometries
Consider the specific geometry of each part when post-curing. The Form Cure L helps ensure even post-curing by rotating the part during the cycle and exposing the part to light from all directions, including underneath the turntable. Modify the post-cure process for parts that are large or long, have dense support structures, or have thick or thin features.
Dense supports
Some parts require denser or thicker support structures. These can block light from reaching some part surfaces during post-curing. Remove supports, only as needed, to ensure that light can easily reach all part surfaces. Leave supports in place whenever possible to prevent features from warping during post-curing.
Large or long parts
Most parts should be post-cured before removing support structures to preserve their shape and prevent warping. While some parts may fit on the turntable more easily without supports, long or tall prints may require special arrangements to stand on the turntable without support. Consider the part dimensions when designing the support structures or planning the post-cure steps.
Note:
The Form Cure L turntable has a diameter of 39.5 cm (15.6 in). The curing envelope is a cylinder the diameter of the turntable and 32 cm (12.6 in) tall. This is the maximum single part size that can be post-cured in the Form Cure L.
Large or thick parts
Large or thick parts may require a longer post-cure time or higher temperatures because the part takes longer to heat. When post-curing thick geometries, warm the part before post-curing and allow extra time for the Form Cure L to preheat to the target temperature before starting the post-cure lights and timer.
Thin features
Warping during post-curing may occur if a part is especially thin, inadequately supported, or unevenly exposed to light. The Form Cure L helps prevent warping by rotating the part during the post-cure cycle and by exposing the part to light from all directions, including underneath the turntable. Use support settings or manual editing to design sufficient supports so that thin features do not warp during post-curing. In the case of a thin, flat, sheet-like object, placing the part directly on the turntable may offer the best support during post-curing.
After post-curing
When the post-curing cycle completes, the LEDs and heaters turn off. Open the door and remove parts.
Caution:
The Form Cure L contains two heaters that heat inserted parts during post-curing. Take care when inserting and removing parts from the Form Cure L, because the turntable may be hot.