MetaMechanics Lab

The lab has multiple setups for manufacturing and testing mechanical, acoustic, and elastic metamaterials.

Additive manufacturing

Bambu Lab X1 Carbon

This 3D printer delivers an optimized, high-speed 3D printing experience for a wide variety of applications.

Key Features:

Multi-Color and Multi-Material 3D Printing
Build Volume: 256mm x 256mm x 256mm
Nozzle diameter: 0.4 mm
Printing process: Fused filament fabrication (FFF)
Filament diameter: 1.75 mm
Layer resolution: 80 - 400 microns
Materials: PLA, PETG, ASA/ABS, PC/TPU, PA/PET, PPS, Support, Fiber Reinforced, compatible materials up to 300°C, Abrasive Filaments (NylonX, NylonG, etc.)
Software: Bambu Studio

Ultimaker 3.0

This 3D printer has a dual extrusion print head with an auto-nozzle lifting system and swappable print cores.

Key Features:

Multi-Color and Multi-Material 3D Printing
Build Volume: 215mm x 215mm x 200mm
Nozzle diameter: 0.4 mm
Printing process: Fused filament fabrication (FFF)
Filament diameter: 2.85 mm
Layer resolution: 20 - 200 microns
Materials: PLA, Tough PLA, ABS, Nylon, CPE, CPE+, PC, PP, TPU 95A, PVA, Breakaway
Software: Ultimaker Cura

Markforged Mark Two

The professional 3D printer for aluminum-strength functional prototypes, tools, and MRO parts.

Key Features:

Mono-Material 3D Printing
Build Volume: 320mm x 132mm x 154mm
Nozzle diameter: FFF Nozzle Diameter -- 0.4 mm; CFF Nozzle Diameter -- 0.9 mm
Filament diameter: FFF (Plastic/Nylon) Filament Diameter -- 1.75 mm; CFF (Continuous Fiber) Filament Diameters - 0.34-0.38 mm
Layer resolution: 50 - 200 microns
Printing process: Fused filament fabrication (FFF), Continuous Fiber Reinforcement (CFR)
Materials: Onyx, Nylon White, Precise PLA, Smooth TPU, Carbon Fiber, Fiberglass, Aramid Fiber (Kevlar®), HSHT Fiberglass
Software: Eiger Cloud

FormLabs Form 3+ SLA 3D printer

This 3D printer produces functional, high-quality prototypes and end-use parts with unmatched resolution.

Key Features:

Mono-Material 3D Printing
Build Volume: 145mm x 145mm x 193mm
Laser: Light Processing Unit (LPU), 250 mW, 405 nm.
Layer resolution: 25 - 200 microns
Printing process: Low Force Stereolithography (LFS/ SLA)
Materials: Clear/Black/White/Grey V4 resins, Tough, Durable, Elastic, Rigid, and Flexible resins, etc.
Software: PreForm

Mechanical testing

LIMESS Q400 Digital Image Correlation system

This DIC system performs 2D or 3D deformation analysis in a precise, fast, and user-friendly manner.

Key Features:

measured values: displacement, deformation, strain, 3D coordinates, etc.
modular and mobile optical setup
high flexibility for optimal adaptation to an application
intuitive measurement software Istra4D that can resolve local effects, e.g. in crack growth.

Instron Single-Column Materials Testing System 34SC-5kN

This table model is ideal for applications requiring precision in the lower force range and performs tensile, compression, flexure (bend), peel, puncture, friction, and shear mechanical tests using a vast selection of grips and fixtures.

Key Features:

Tension/Compression S-Beam Load Cell
Force capacity 5 kN (500 kgf)
Max. crosshead travel 868mm (34.2 in)
Strain Gauge Extensometer 50 mm gauge length, +50% maximum strain
Advanced Screw Side-Action Grips, force capacity 5 kN
Flexure Fixture, 3-Point Bend: ASTM D790, ISO 178, ISO 14125
Software: Bluehill Elements Materials Testing Software for 3400 Systems

LE-4040 PRO 20W Laser Engraver with Rotary Roller Bundle Kit

This machine is capable of engraving and cutting different materials (such as ) with high precision via computer programming..

Key Features:

Two Y-axis motors and aluminum frame body
Working Noise: 60dB
Working Space: 40 cm x 40 cm
Laser Module: FoxAlien 20W with a technology "laser beam compression" for a better detail finish
Materials: wood, MDF, acrylic, cardboard, and leather etc.
Software: compatible with GRBL software such as Lasergrbl, Candle, etc.

Acoustic and ultrasonic testing

Laser Doppler Vibrometer OFV-5000

The laser vibrometer OFV-5000 with a compact fiber-coupled sensor head OFV-534 from Polytec combines precise optical-based vibration measurements with the easy and rapid operation. It works completely without contact and measure vibrations of even small and lightweight components with very high accuracy.

Key Features:

measured values: displacement, deformation, strain, 3D coordinates, etc.
modular and mobile optical setup
high flexibility for optimal adaptation to an application
intuitive measurement software Istra4D that can resolve local effects, e.g. in crack growth.

Spectrum DN2.813-04

The hybridNETBOX DN2.80/81x system consists of a Digitizer and an AWG that can work in sync or independently. It allows simultaneous signal generation and data acquisition for stimulus-response tests, ATE applications, MIMO applications, or closed-loop applications.

Key Features:

40 MS/s on 4 DAQ channels and 4 AWG channels
Digitizer: 4 single-ended inputs/4 differential inputs
AWG: Output level ±12 V into High Impedance and Output level ±6 V into 50 Ohm
512 MSample acqusition and 512 MSample AWG memory
Digitizer: separate ADC and amplifier per channel, 6 input ranges: ±200 mV up to ±10 V, programmable input offset of ±100%
Connections: BNC/SMA connections
Software: SBench 6 Professional

WMA-320 High voltage amplifier

This is a high voltage, high-speed laboratory amplifier for demanding applications. Its wide bandwidth and large voltage range make it an excellent choice for use with MEMS devices, EO-modulators, piezo positioning systems, beam steering components, ultrasonics, and many more.

Key Features:

High voltage 50x amplification up to +100V and -100V with respect to ground
DC to 5MHz large signal bandwidth and 300mA output current, ideal for electrostatic MEMS and PZT (piezo) actuators
High speed 1300V/us slew rate
50 Ohms input impedance with protection
50 Ohms output impedance with fast current limit
230V/50Hz mains power
Continuous short-circuit protection, no overshoot with capacitive loads, and lead-free, environment-friendly construction

Mecanum impedance tube 44mm

This Mecanum transmission tube is specially designed to measure key acoustic indicators of a wide range of materials using the 4 microphone method:

Frequency range: 45-4300 Hz

Measurement method according to ASTM and ISO standards

Ease of use

Measurement method taken from the scientific literature

Durability

Measurement quality

Key Features:

Two Y-axis motors and aluminum frame body
Working Noise: 60dB
Working Space: 40 cm x 40 cm
Laser Module: FoxAlien 20W with a technology "laser beam compression" for a better detail finish
Materials: wood, MDF, acrylic, cardboard, and leather etc.
Software: compatible with GRBL software such as Lasergrbl, Candle, etc.

Olympus contact transducers

The Olympus contact transducers are single-element special transducers intended to excite the test specimen within a particular frequency range. They can be used to test a wide variety of materials for transmission tests, perform material characterization, and inspect a wide variety of metallic and non-metallic components.

Key Features:

Two Y-axis motors and aluminum frame body
Working Noise: 60dB
Working Space: 40 cm x 40 cm
Laser Module: FoxAlien 20W with a technology "laser beam compression" for a better detail finish
Materials: wood, MDF, acrylic, cardboard, and leather etc.
Software: compatible with GRBL software such as Lasergrbl, Candle, etc.

Prepolarized microphones ICP® (Class 1)

PCB Prepolarized ICP® microphones can accurately measure the slightest of acoustic pressure fluctuations. They are suitable for acoustic measurements within the normal human hearing range and beyond.
Multiple array microphones with their excellent phase characteristics can be combined with the appropriate software to effectively map acoustic energy flow.
Current Availability: Array microphones, Free-field microphone and Pressure field microphone

Key Features:

Two Y-axis motors and aluminum frame body
Working Noise: 60dB
Working Space: 40 cm x 40 cm
Laser Module: FoxAlien 20W with a technology "laser beam compression" for a better detail finish
Materials: wood, MDF, acrylic, cardboard, and leather etc.
Software: compatible with GRBL software such as Lasergrbl, Candle, etc.