Equipment of the Professorship Micromanufacturing Technology

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Phone:+49 371 531-38934
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Email:
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Address:Reichenhainer Straße 70, 09126 Chemnitz
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Room:
Machinery
KERN Pyramid Nano

High Precision Machining Centre
Technical specifications:- Hydrostatic axes and guideways
- 5-axis simultaneous machining
- Position uncertainty: ±0.5 µm
- Additional spindle for grinding and micromachining up to 160,000 min-1
- Systems for automatic tool and workpiece measuring
- Cooling lubrication with emulsion or MQL
- Suction system for graphite machining
- High precision machining and micromanufacturing of metallic and non-metallic materials
- Generation of functional surfaces
- Grinding
SPINNER PD 32

Precision-Turning Machine
Technical specifications:- Main and opposed spindle
- Turret with operated tools
- Process- integrated measurement system for cutting force and power detection
- Cooling lubrication with emulsion
- Precision-processing of special materials and hardened steels
- Productions of side elements (e. g. boreholes, threads, spanner flats, ...)
Kugler Microgantry® GU

Microprocessing Machine
Technical specifications:- 4 CNC-axes
- High-frequency spindle with max. 200,000 rpm
- Position exactness: ±0.3 µm
- Minimal oil machining system
- Integrated Nd:YVO4-laser (wavelength of 532 nm via frequency doubling)
- Microprocessing (i.e. drilling, milling, sawing) und microstructuring (i.e. laser-beam removing)
- Machining of non-ferrous metals
Zimmer & Kreim genius700

EDM Die-sinking Machine
Technical specifications:- 4-axes simultaneous machining
- Positioning uncertainty: ±1 µm / 0.001 °
- Max. workpiece weight: 700kg
- Max. electrode weight: 50 kg static / 50 kg with rotation
- Rotation spindle with 1000 rpm and high-pressure flushing device for EDM-drilling with high aspect ratio
- Generator with 52 A working current
- Generator modules for special materials and polishing processes
- Precision- and micro-machining of metal, conductive ceramics and diamond
- Drilling of bores with min. ⌀ 0.2 mm
Sarix SX-100

Precision Microerosion Machine
Technical specifications:- Workspace: 510 mm x 270 mm
- Travel range X-, Y-, Z-direction: 250 mm, 150 mm, 150 mm
- Travel precision: ±2 µm at 50 mm travel range
- Micromachining (erode) of Metal
- Micromachining (erode) of ceramics
- Machining of Microholes down to 50 µm in diameter
Prototype ECM system

Modular Self-construction for Jet-ECM and PECM
Technical specifications:- Triaxial-system in portal construction-manner
- Maximum voltage: 56 V
- Maximum current: 10 A
- Direct current and pulsed direct current
- Maximum electrolyte pressure: 525 bar
- Electrolytes: sodium chloride and sodium nitrate
- Equipment for electro-chemical microprocessing
The prototype has been pursued in cooperation with the Fraunhofer-Institute for Machine Tools and Forming Technology IWU.
Prototype Jet-PeP system

Modular set-up for Jet-PeP
Technical specifications:- 4-axes gantry system
- Maximum voltage: 600 V
- Maximum current: 8.5 A
- Direct current
- Maximum electrolyte pressure: 5 bar
- Ammonium sulphate-based electrolytes
- Localized plasma-electrolytic polishing
P.FÜ.MA 200kN

Precision Joining Machine
Technical specifications:- Working chamber: 500 x 500 mm2
- Press stroke: 400 mm
- Press capacity: Fmax = 200 kN
- Spindle velocity: vmax = 3000 mm/min
- AC servo-drive
- Development of procedures and tool systems for plane microstructuring
Branson Ultraweld L20

Ultrasonic Joining System
Technical specifications:- Operation frequency: 20 kHz
- Power output: Pmax = 4 kW
- Maximum joining area Fügefläche: Amax = 125 mm²
- Modular tooling system
- Automatic frequency control
- Consistency of the amplitude and load compensation
- Development of methods for joining of dissimilar compounds (e.g. metal – CFRP)
- Development of modular and microstructured ultrasonic joining tools and joining surfaces
Ultimaker 3

Dual Extruder FDM Drucker
Technical specifications:- Printdimensions: 215 mm x 215 mm x 200 mm
- Printable materials: PLA, ABS, PVA, ...
- Height resolution: 20 µm
- Nozzlediameter: 0,4 mm
- Rapid Prototyping
- Practical courses for additive manufacturing
Thermal fuel cell test bench
Self-construction for characterization of fuel cell cooling
Technical specifications:- Temperature measurement by means of thermocouple
- Regulated test power up to 4 W/cm2
- System pressure up to 1 bar
- Volume flow up to 2.8 l/min
- Different cooling media possible
- Optical in-situ characterization of the coolant flow
- UInvestigation of heat transfer and flow behavior in bipolar plates and stack assemblies
Measurement equipment
Workstation for measurement of roughness, shape and position

Roughness measurement system Mahr LD 120
Technical specifications:- Touching Distance: 0.1 - 120 mm
- Measurement range: 10 mm
- Resolution in z-direction: 2 nm
- Rz-residual values: 35 nm
- Measurement point distance in x-direction: 0.05 - 1 µm
- CNC-y-table (smalest increment: 0.5 µm)
- Roughness measurements of micro-sized components
- Measurement of topography of surfaces for evaluation of functional behaviour
- Measurement of tools for turning and milling machines

Form and position measuring device Mahr MMQ 200
Technical specifications:- High-precision roundness measurement axis (C)
- Motorized vertical measurement axis (Z)
- Motorized horizontal positioning (X)
- Manual centering and tilting table
- Determination of:
- Cylindrical Shape
- Form and position tolerances according DIN ISO 1101
- Roundness
- Flatness
- Concentricity and other parameters
- Roughness measurement axially and in the direction of rotation (on rotationally symmetrical components)
- Evaluation of twist parameters
Dataphysics OCA 200

Contact Angle Measuring and Drop Contour Analysis System
Technical specifications:- high-performance camera system with 10-fold zoom lens
- engine-powered sample table
- electronic direct dosing system
- nanoliter dosing system
- Peltier temperature control unit -30 °C ...160 °C
- measurement of the static and dynamic contact angle
- temperature-dependent evaluation of the wettability
- evaluation of surface energy, suface tension and interfacial tension
DMG Microset VIO 20/50 linear

Tool Pre-setting System
Technical specifications:- Precision spindle
- Translative axes with linear drives and glass scales
- Incident light and transmitted light
- Decond camera for measuring the center height (with incident light)
- Maximum tool diameter of 420 mm, maximum length of 500 mm
- Substantial measurement software
- Measurement of tools for turning and milling machines
- Evaluation of tool abrasion
Bruker alicona µCMM

Optical coordinate measuring machine
Technical specifications:- Non-contact measurements using shape-from-defocus method
- Automated change of objectives
- Finest lateral topographic resolution about 0.6 µm, finest vertical resolution ca. 10 nm
- Granite machine bed and gantry with air-bearing axes and linear drives
- Working space for three-axis applications about (310 mm)³
- Integrated dividing head with motorised rotary and swivel axis
- Comprehensive software for realisation and analysis of measurements
- Examination of the geometry of cutting tools including cutting edges and wear
- Capture of surface topography
- Analysis of the geometry of microstructures
- Determination of deviations in dimension, form, location, and run-out

Keyence VK-9700

3D-Laserscanning-Microscope
Technical specifications:- Violet laser diode and halogen lamp
- Maximal z-axis resolution of 1nm
- Objectives with the following magnification rates: 10x, 20x, 50x, 100x, 150x
- Automatic measurements through engine-powered microscope stage
- Optical surface detection
- Measurement of microstructures
- Measurement of tools for turning and milling machines
- Evaluation of the tool abrasion
Keyence VHX-100

3D-Microscope
Technical specifications:- 18 million pixel resolution
- Three-dimensional display function
- Valuation of tool wear
- Evaluation of surface features
Nikon MM-400

Microscope for Measurement
Technical specifications:- Objectives with magnifying of 2.5x, 10x, 20x, 50x, 100x
- Micrometer-positioning table (150 mm x 100 mm)
- Measurement of microstructures
- Valuation of tool wear
- Measurement of microforming tools
- Measurement of turning- and milling tools
- Evaluation of surface features
Polytec Modular Laser-Vibrometersystem

OFV-5000 Controller
Technical specifications:- Digital Broadband-decoder VD-09:
- Broadband: 0 – 2.5 MHz
- Maximum Speed: 10 m/s
- Resolution: 0.02 µm/s
- Digital broadband-decoder DD900:
- Resolution of travel: 15 pm
- Frequency: 0 – 2.5 MHz
- Contactless mesure of vibration
- Mesurement of minimal length movements

OFV-505 Vibrometer-Mesurement Unit
Technical specifications:- He-Ne Laser with wavelengh of 633 nm
- Working distance > 250 mm to ca. 5 m
Sartorius ME36S

Micro Scale
Technical specifications:- Weighing range: 31 g
- Reading precision: 0.001 mg
- Reproducibility: ≤ 2 µg
- Fully automated calibration and adjustment function
- Determination of the removed mass after electrochemical machining processes via differential weighing
Sartorius ME614S-0CE

Analytical Scale
Technical specifications:- Weighing range: 10 mg – 610 g
- Reading precision: 0.1 mg
- Fully automated calibration and adjustment function
- Determination of the removed mass after electrochemical machining processes via differential weighing
- Determination of the (through abrasion) removed mass, for tribological investigations
Software
COMSOL Multiphysics®

FEM Simulations Software
- 2D- and 3D-environment
- Available Modules:
- AC/DC Module
- Acoustics Module
- CFD Module
- Electrodeposition Module
- Heat Transfer Module
- Microfluidics Module
- Nonlinear Structural Materials Module
- Optimization Module
- Plasma Module
- Structural Mechanics Module
- CAD-Import
- Material Library
Server infrastructure with 1024 GB RAM and 96 CPU cores
Information about server operation via intranet [de]
Siemens Simcenter STAR-CCM+ (Version 2021.2)
Multiphysics FVM simulations software
- Main focus:
- Fluid mechanics
- Multiphase flows
- Particle flows
- Heat transfer
- Electrochemical processes
- Geometry spectrum: 2D, complex 3D structures
- CAD interfaces for common CAD formats
- Automation by means of individual macros
- Integrated pre- and post-processing
MountainsMap7.4®

Surface Imaging, Analysis and Metrology Software
- Data analysis of all file formats (confocal microscopes, white light interferometers, scanning probe microscopes, contact and non-contact profilometers)
- Universal data export
- Determination of areal surface characteristics
Miscellaneous Equipment
- CO2 snow-jet cleaning-device
- Microscopes
- Modular laser vibrometer Polytec OFV-5000
- Pyrometer Infratherm IP 140
- Digital height measuring system Mahr 817 CLM-2D