Ilumtech offers comprehensive optical development services, including tailored design of optical components such as lenses and reflectors, rapid prototyping, and optical system optimization. Their process involves creating 3D models, selecting optical materials, and ensuring manufacturability, with a focus on meeting customer specifications and deadlines. The company utilizes advanced software and tools for mechanical design, prototyping, and manufacturing, aiming to deliver high-quality optical solutions efficiently.

1. Optical development services

2. Optical development services| iLumTech optical development services
iLumTech optical development services
• Tailored design of luminaire optical parts
according to customer requirements,
application specifications, and/or luminaire
design – lenses, reflectors, refractors, diffusers,
louvres
• Evaluation of appropriate optical materials
according to application specifications,
production volumes, and price requirements
• Rapid prototyping
• Measurements, evaluations, simulations
• Tooling design, tool production
• Production of the final parts
• Optical system optimisation

3. Optical development services| Tailored optical design – considerations
Tailored optical design – considerations
• Requested optical part type – lenses, reflectors,
refractors, hybrid systems
• Material characteristics, shape limitations,
dimensions, mounting requirements
• Type of luminaire and application
• PCB and luminaire details, 3D STP files of other
parts of the luminaire
• Required LIDC, UGR, intensity, road class
• Commercial requirements – target price, sales
quantities, packaging details, time schedules, etc.
• Input from customer: above requested
parameters
• Output from iLumTech: time schedule / price
offer / technical feedback

4. Optical development services| The process of designing an optical system
The process of designing an optical system
• Creation of 3D models according to customer
requirements – optical design, mechanical design
• Optical material selection
• Light source selection and preparation of the
optical design according to the defined light source
• LED lens optical simulation
• Optical analysis

5. Optical development services| Optical design
Optical design
• Proposal of an LIDC shape for the required
optical system according to a requested output,
production technologies, manufacturing
possibilities, and the mechanical design of the
luminaire – reflectors, lenses, refractors
• Areas of expertise: street LED lenses, tunnel
lighting lenses, flood lighting lenses, PAR38 lenss;
downlight, spot, and floodlight reflectors;
parabolic louvres; nano-diffusers
• Used software: LightTools / DIALux
• Output for customer: proposed LIDC in LDT, IES,
and pdf format, and as a DIALux file

6. Optical development services| Mechanical design
Mechanical design
• After optical design approval, we prepare the
mechanical design of the optical system taking
into account other luminaire parts, production
technologies, materials, and tolerances
• Used software: CATIA
• Output for customer: 3D STP file, 2D file with
exact definition of dimensions and tolerances
• Drawings can be modified according to
customer’s company standards

7. Optical development services| Prototyping
Prototyping
• Rapid prototyping within 14 days – timescale
depends of lens type and chosen prototyping
technology
• Printoptical Technology (photonics jet printer)
offers a 100 % smooth and optically
functional surface without the need for
further finishing such as sanding or polishing
• Milling CNC (plastic machining) offers a high
degree of consistency with close tolerances,
near-optical grade surface finishes suitable
for prototyping and some types of production
• Soft molding (rubber molding) is a simplified
tooling process preferred for creation of
between one and few hundred parts
• Spinning, punching, turning, diamond
turning, CNC maching

8. Optical development services| Prototype evaluation
Prototype evaluation
• Optical measurements and evaluation of light
distribution curves, luminous flux, and
luminance of light emitting surfaces
• Evaluation DIALux results
• 3D scanning
• Evaluation of visual appearance
• Available hardware: Goniophotometer RIGO
801, Radiolux 111, MiniDiff, Atos Compact 3D
scan, CCT mattrix camera, spectrometer,
integrating sphere

9. Optical development services| Prototyping of Lens
Tool design
• Selection of a suitable tool – injection
molding, extrusion, soft molding
• Evaluation of tolerances, and establishment
of quality metrics
• Tool design supported by MoldFlow
analyses to verify expected process
performance and optimise tool construction
for reliable product mass-manufacture

10. Optical development services| Designed for manufacturability
Designed for manufacturability (DFM)
• Important part of the process that maximies
product performance / minimises
manufacturing costs and lead times
• Material selection
• Tooling layout
• Gate proposal
• Parting lines
• Ejection proposals
• Draft Angle Analysis
• Modification proposals
• Used software: SolidWorks, SolidWorks Mold
Filling Analysis, MasterCam

11. Optical development services| Tool production
Tool production
• We are skilled in optical surface generation
and polishing – production of entire tool
sets according to specification, critical parts
of the tool can be made using different
processes / the most suitable technologies
• Commonly used technology: inserted tool
contsruction – enables more precise
finishing of optical surfaces; ensures tool
longevity, easy maintenance, and lower
costs; allows for possible modification in
the future
• Production of T1 samples for evaluation

12. Optical development services| Preparation for serial production
Preparation for serial production
• Evaluation of T1 samples – mechanical and
optical evaluation
• 3D scanning and photometric
measurements
• Comparison of design vs final results
• Proposal of modifications according to need
• Packaging design, label design
• Mould setting
3D scanning / comparison

13. Optical development services| Manufacturing possibilities
Manufacturing possibilities
• Full range of injection machines (Krauss
Maffei, Haitian) with various injection
pressure classes: 50T, 100T, 120T, 160T, 180T,
260T, 320T, 420T, 480T, 630T, 950T, 2700T
(PMMA, PC)
• Extrusion / Co-extrusion (ABS, PMMA, PC,
Acryl, satinated)
• Seal application (Sonderhoff – EDF)
• From small optical parts to big plastic
products
• Precision quality checking
• OEM packaging based on customer
requirements
• Fast production
• Attractive price level

14. Feel free to contact us...info@ilumtech.eu www.ilumtech.eu Slovakia