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3D printing filaments tend to absorb moisture from the environment, some materials more than others. This excessive moisture absorption results in extrusion problems such as clogging and poor adhesion of the part to the printing surface, as well as numerous quality issues on the 3D printed part. Filament dryers are devices that remove excess humidity from filament by means of heat or heat and desiccant.
The FilaDryer S4 by Sunlu has been designed to dry a wide range of materials, from PLA (also wood/marble/silk), ASA, ABS, PA, PC, PETG, HIPS or TPU. The most outstanding feature of the FilaDryer S4 is that it can fit 4 spools of 1 kg filament, and it can work with 1.75 mm, 2.85 mm and 3.00 mm diameter filaments.
With FilaDryer S4 the dried filament can be fed directly into a 3D printer through a hole placed at the top of the device. This implies enormous time savings in the 3D printing workflow and a high quality of 3D prints. FilaDryer S4 is equipped with 8 filament holes and PTFE tubes, which enables drying many materials at once and simultaneous printing with multiple filaments.
A very valuable feature of FilaDryer S4 is that there is no need to guess the drying parameters since the device comes with preconfigured drying parameters for the most common materials such as PLA, ABS, PETG, PA and PC.
|PLA/PLA+, Wood, PETG
|PVB, ABS/ABS+, HIPS, PVA, ASA, TPU, PMMA
|45 - 50 ºC
|50 - 55 ºC
|60 - 70 ºC
|3 - 6 h
The recommended settings for the compatible materials are shown above. The preconfigured settings can be altered by the user and they will be remembered once the device has been switched off.
Thanks to a smart design and maximized interior space use, the heat dissipation is minimized and the electric-to thermal conversion efficiency of the FilaDryer S4 is significantly elevated. FilaDryer S4 is equipped with a PTC heating element and a triple-fan setup. The latter is responsible for circulating heat inside the device with a balance of ±3 ºC, ensuring that the temperature setting chosen by the user matches the real-time temperature inside the dryer at all times.
This efficient design makes FilaDryer S4 about 7 times more powerful than FilaDryer S2, with a heating power of 330 W. FilaDryer can heat up from 25 ºC to 50 ºC about 50 % faster than FilaDryer S2, and about 37.5 % faster from 25 ºC to 70 ºC. This boosted thermal efficiency implies not only faster drying but also energy and time savings.
FilaDryer S4 employs all the adequate safety measures to make sure that the enclosure of the dryer does not heat up excessively. Furthermore, the potential risk of spool deformations (and thus rotational disruptions) related to high temperature exposure is mitigated by adding heat-resistant PTFE tubing to the filament path. Furthermore, FilaDryer S4 is certified with the CE, FC and RoHS certifications.
Apart from providing the optimal heat conditions for the drying of filament, the FilaDryer S4 also controls the humidity levels within the chamber. Any humidity generated in the dryer's chamber is effectively expelled through the eight filament holes in the device's chassis.
What's more, FilaDryer S4 incorporates a high-precision humidity sensor. This sensor displays real-time humidity within the dryer's chamber when drying is not in course. When the level of 50 % of humidity is reached or exceeded, FilaDryer automatically activates, preventing secondary moisture exposure.
The FilaDryer S4 has a large and convenient LCD touchscreen placed on the front of the device. The touchscreen has a 1 second response and displays temperature, time, humidity, material type and countdown time. The drying temperature can be adjusted between 35-70 °C.
Thanks to the device's smart design, heat efficiency, humidity management, and compatibility with a wide range of materials, the Sunlu FilaDryer S4 is the perfect drying device for those who 3D print on a daily basis, especially with multiple materials at once or in a multiprinter setup, for example on a 3D printer farm. With FilaDryer S4 it is possible to maintain up to 4 spools of filament in a humidity-free environment and obtain high quality prints at all times. Inluding the FilaDryer S4 in the 3D printing workflow will ensure smooth and much quicker printing.