Machines and Technologies
We have a bouquet of machines in the Fab Lab that use different manufacturing processes. Here you will find an overview of which machines we have and what features they have. You can find instructions for use and tips under Machine operation.
FLM (Fused Layer Modeling)
Fused Layer Modeling (FLM) or Fused Deposition Modeling (FDM®) is probably the most accessible 3D printing process. The printing material (filament) is fed by an extruder motor into a nozzle, which has previously been preheated to the special melting temperature of the particular material. This nozzle melts the filamentary material and deposits it on the usually heated print bed by moving the print bed (build plate) and the print head. Durch die Wiederholung dieses Vorgangs wächst das Modell schichtweise an.
By repeating this process, the model grows layer by layer. So können Objekte gedruckt werden, die ähnlich robust oder robuster als z.B. Aluminium sein sollen.
Advantages: Low pre- and post-processing effort. It is possible to insert additional components into the model to be printed during the printing process.
Disadvantages: Comparatively poor surface properties.
|Prusa I3 MK3s||Ultimaker 2 Extended+||LuzBot TAZ 5||Markforged Mk1||Markforged Mk2|
|Material thickness 1:||1.75 mm||2.85 mm||2.85 mm||1.75 mm||1.75 mm|
|Material thickness 2:||MF 4||MF 4|
|Min. Layer height:||0.05 mm||0.04 mm||0.075 mm||0.1 mm||0.1 mm|
(W x L x H):
|250 x 210 x 210 mm||223 x 223 x 305 mm||290 x 275 x 250 mm||320 x 132 x 154 mm||320 x 132 x 154 mm|
|Materials 1:||PLA, ABS, PET, HIPS , Flex, PP, Ninjaflex… etc.||PLA, ABS, PET… etc.||PLA, ABS, PET, HIPS, PVA… etc.||Onyx, Nylon White||Onyx, Nylon White|
|Materials 2:||Carbon fiber, fiberglass, Kevlar®, HSHT fiberglass||Carbon fiber, fiberglass, Kevlar®, HSHT fiberglass|
Stereolithography (SL) or (SLA) is an additive manufacturing process in which a photopolymer resin is used as the printing medium. This synthetic resin is cured during the printing process using a laser beam that is guided over the print bed based on the model to be printed. This process is repeated layer by layer. The model must then be freed of excess resin in an alcohol bath and finally cured in a UV bath.
Advantages: This process offers the highest precision and the best surface properties.
Disadvantages: Large pre- and post-processing effort, furthermore caution is required when working with the synthetic resin as it has toxic properties.
|FormLabs Form1+||FromLabs Form3||Prusa SL1|
|X/Y-Resolution:||0.01 mm||0.025 mm||0.047 mm|
|Min. Layer height:||0.025 mm||0.025 mm||0.01 mm|
|Work area (W x L x H):||125 × 125 × 165 mm||145 x 145 x 185 mm||120 x 68 x 150 mm|
|Materials:||Photopolymer resin||Photopolymer resin||Photopolymer resin|
LS (Laser Sintering)
Laser sintering (LS) or selective laser sintering (SLS) is similar to stereolithography (SL) in that a laser source is used to cure the material. In this process, however, a powder is used instead of the synthetic resin, which is then cured on the basis of the specified model. For this purpose, fresh powder is pushed over the already cured areas in layers and then cured again. The previous powder layer thus supports the model or the next layer during production. This process is repeated layer by layer.
Advantages: The LS process offers excellent precision and surface properties. In addition, even complicated shapes can be produced without support structures.
Disadvantage: Large amount of preparation and follow-up work.
|Sinterit Lisa Pro|
|Min. Layer height:||0.075 mm|
|Work area (W x L x H):||150 x 200 x 260 mm|
|Materials:||PA12 Smooth, PA11 Onyx, Flexa… etc.|
The laser cutter can be used to cut and engrave a wide variety of materials with high precision.
|Glowforge Pro||Lotus BLU125-DC|
|Laser type:||CO2 Laser||CO2 Laser|
|Wavelength:||10,600 nm||10,600 nm|
|Laser power:||45 W||100 W|
|Max. Material size (W x D):||515 x 455 mm||1250 x 900 mm|
|Laser area (W x D):||495 x 279 mm||1250 x 900 mm|
|Max. Material thickness:||50 mm||150 mm|
|Max. Material thickness with base:||13 mm||150 mm|
|Materials:||Wood, fabric, leather, paper, cardboard, acrylic, cork…. etc.||Wood, fabric, leather, paper, cardboard, acrylic, cork…. etc.|
Collaborative Robot Arm
The UR10e robot arm is a collaborative robot equipped with a gripper and quick-change system. The arm can be used to perform a wide variety of tasks that require high precision. Work steps can be programmed and taught and thus automated. In the future, the arm will be converted into a 3D printer that will make large 3D models a reality.
|Work area:||1300 mm (Radius)|
|Tools:||OnRobot Greifer RG6|
The Roland LEC-330 is perfect for cutting large quantities of thin materials with extreme precision. Both material from the roll and blanks can be processed.
|Roland UV printer/ cutting plotter LEC-330|
|Material width:||182 mm to 762 mm|
|Material thickness during cutting:||0.22 bis 0.4 mm|
|Max. outer roller diameter:||180 mm|
|Max. Roll mass:||20 kg|
|Cut width:||736 mm|
Limitation: For technical reasons, the Roland UV printer/cutting plotter can only be used as a cutting plotter in laboratory operation.
Various CNC routers provide the latitude you need to mill your woodwork or even smaller circuit boards with the utmost precision.
|EAS HEAVY 800XL||Stämpfli||X-Carve|
|Travel (X x Y x Z):||1590 x 825 x 170 mm|
|Clamping surface (X x Y):||2050 x 960 mm|
|Machining area (X x Y):||1590 x 825 mm|
|Materials:||Wood, fabrics and plastics||Wood, fabrics and plastics||Wood, fabrics and plastics|
The electronics workshop is equipped with several soldering stations and magnifying glasses, as well as microcontrollers and other electronic components that can be used for testing.
Laboratory power supply
Multi-/ Soldering Station
Suction + Filter
Different sewing machines are available for processing different textiles.
Electric sewing machines
Foot driven sewing machine
Overlock sewing machine
In addition to the standard tools such as screwdrivers, hammers and pliers, all kinds of power tools are also available in our handcraft area. The following list provides an overview:
Box column drill
Hand-held circular saw
Chop/circular saw combination
Hot air dryer