EN 
DE 
FR 
ES 
RU 
JA EN DE FR ES RU JA Custom-engineered Human-Machine Interfaces (HMI) built with premium Autotex PET, Lexan PC, 3M adhesives, and ISO 9001 quality controls. Select a solution to explore specifications or request a custom DFM review.
Engineered for heavy-duty industrial machinery handles and joystick controllers. Features a reinforced tactile cross-key base, tactile metal domes, and high-flex silver circuit traces.
Versatile multi-layer interface panel built with chemical-resistant polycarbonate overlay, transparent LED display windows, and selective texture finishes for sterile or industrial controls.
Scratch-resistant velvet matte Lexan polycarbonate overlay. Reverse screen-printed for permanent color protection, featuring 3M high-tack acrylic adhesive for powder-coated metals.
IP67 sealed perimeter construction designed to withstand Baltic outdoor moisture, jet washing, and dust ingress. Integrated stainless steel metal domes deliver 1,000,000+ click actuation life.
Direct factory engineering support for fast-turnaround prototyping and OEM mass production. Includes full DFM stack-up validation, Pantone color matching, and circuit resistance optimization.
Ergonomic compression-molded silicone rubber keypad integrated with underlying silver flexible circuit. Provides tactile key feel, PU protective coating, and laser-etched backlit legends.
Next-generation touch control panel featuring screen-printed conductive silver/carbon sensors beneath a continuous glass or plastic overlay. Ideal for zero-travel wipe-clean user interfaces.
Thermally stable polyester interface designed for high-temperature operating environments up to +105°C. Resistant to grease, hot steam, and domestic cleaning detergents.
Kaunas has firmly established itself as Lithuania’s premier industrial power station and a key hardware manufacturing hub within the Baltic region. Home to the rapidly expanding Kaunas Free Economic Zone (Kauno Laisvoji Ekonominė Zona), the city hosts top-tier global Original Equipment Manufacturers (OEMs) and Contract Electronics Manufacturers (EMS) specializing in automotive components, industrial automation, medical diagnostic technology, precision optoelectronics, HVAC environmental systems, and smart energy infrastructure.
For high-tech product designers and procurement managers in Kaunas, the human-machine interface (HMI) serves as both the functional core and the primary brand touchpoint of any electronic device. A custom-printed front overlay must not only withstand aggressive physical wear, chemical sanitization, UV exposure, and thermal fluctuations common to Baltic environments, but also present a pristine, intuitive control surface that complies with strict EU regulatory frameworks (CE, RoHS 3, REACH SVHC, and ISO 13485 standards).
Dongguan Ravo Electronics Co., Ltd. (operating from our 12,000 m² facility in Dongguan, China since 2003) acts as a direct engineering manufacturer and strategic supply chain partner for Kaunas enterprises. By bridging advanced screen-printing techniques, high-precision CCD die-cutting, automated optical inspection (AOI), and direct engineering-to-engineering collaboration, Ravo delivers tailored graphic overlay panels and membrane switches designed for flawless performance and competitive total cost of ownership (TCO).
Selecting the correct polymer substrate is the foundation of front overlay longevity. Depending on whether your equipment is installed inside a climate-controlled laboratory in Kaunas Academic Medicine Center or deployed on an outdoor industrial site along the Via Baltica transport corridor, the choice between Polycarbonate (PC) and Polyester (PET) dictates cycle life and environmental resistance.
| Substrate Property | Polycarbonate (Lexan / Makrofol) | Polyester (Autotex / Melinex PET) | PMMA / Acrylic Panels |
|---|---|---|---|
| Flexural Fatigue Life | Moderate (~100,000 switch actuations) | Exceptional (>5,000,000 switch actuations) | Rigid (Not suitable for tactile domes) |
| Chemical Resistance | Vulnerable to strong solvents & esters | Superior resistance to alcohols, oils & acids | High clarity, vulnerable to alcohol stress cracking |
| Surface Hardness & Clarity | High optical clarity; 2H pencil hardness | Hard-coated options reach 3H–4H hardness | Glass-like clarity; up to 4H scratch resistance |
| Temperature Range | -30°C to +120°C (High heat deflection) | -40°C to +105°C (Stable in Baltic freezing) | -20°C to +85°C |
| UV & Weatherability | Requires UV-stabilized coat for outdoors | Autotex XE offers 10+ year outdoor UV stability | Naturally UV resistant; non-yellowing |
| Primary Application | Flat display overlays, indoor diagnostic panels | Tactile membrane switches, outdoor control panels | Thick optical windows, capacitive touch covers |
We apply selective UV-curable matte or velvet textures over smooth film bases, leaving display windows crystal-clear for LCD/OLED readouts while giving key surfaces an anti-glare, smudge-proof tactile touch.
Mounting integrity relies on choosing the correct pressure-sensitive adhesive (PSA). We integrate genuine 3M 467MP for smooth metals, 3M 468MP for powder-coated cast aluminum, and 3M 300LSE for low surface energy plastics.
Enhance operator feedback with rim embossing, pillow embossing, or thermoformed polydomes. Stainless steel tactile metal domes (four-leg or round) provide tactile snapping force from 200g to 500g.
Dongguan Ravo Electronics customizes every front overlay layer-stack to meet the functional and compliance demands of Kaunas's key industrial sectors:
Control consoles, CNC interface panels, and robotic teach pendants require heavy resistance against industrial oils, lubricants, and mechanical vibration. Ravo utilizes hard-coated Autotex PET overlays paired with IP67 perimeter silicone gaskets and EMI/RFI conductive silver grounding grids to ensure zero signal interference in harsh factory environments.
Kaunas medical technology innovators require HMI surfaces that endure aggressive daily wiping with isopropyl alcohol, bleach, and chemical disinfectant solutions. Our reverse-printed polyester overlays present a continuous, non-porous faceplate with antimicrobial hard-coats, preventing bacterial growth and fluid ingress into sensitive electronics.
Lithuania is globally renowned for laser photonics. Precision laser control units demand optical window transparency with zero distortion. Ravo applies optical-grade anti-reflective (AR) windows combined with dead-front LED indicator printing, where symbols remain completely invisible until illuminated from behind by SMD LEDs.
Sub-zero winter temperatures (-25°C) and direct summer sunlight require thermal cycling stability and UV resistance. Our outdoor-grade UV overlays prevent yellowing, embrittlement, and adhesive delamination on heat pumps, smart meters, and commercial boiler controllers deployed across Lithuania and Northern Europe.
Machinery operating in agricultural or dairy processing facilities requires high-pressure washdown protection. We engineer complete waterproof membrane switch assemblies utilizing sealed tail exits, rear mounting gaskets, and custom tactile key embossing that operators can feel even while wearing heavy protective work gloves.
As a Baltic logistics hub, Kaunas transport equipment relies on rugged, compact vehicle dashboards and handheld barcode scanner terminals. Ravo supplies integrated silicone rubber keypad overlays over flexible printed circuits (FPC), combining soft tactile key response with drop-proof, impact-resistant faceplates.
As European equipment manufacturers accelerate their shift toward Industry 4.0 digitisation and sleek user experiences, several technological trends are reshaping front overlay procurement in Kaunas:
Founded in 2003, Dongguan Ravo Electronics Co., Ltd. has spent over two decades refining custom human-machine interface manufacturing. Located in Fenggang Town, Dongguan (the world's electronic manufacturing core), our vertically integrated 12,000 m² factory houses full-process capabilities under one roof.
Our dedicated engineering team reviews your 2D/3D CAD drawings (STEP, DXF, AI, PDF) within 2 hours. We evaluate circuit trace pitch, pinout configurations, tail exit strain relief, overlay window alignment, and color separation prior to tooling.
We maintain cleanroom screen-printing lines equipped with CCD automated registration cameras, ensuring multi-color print alignment tolerance within ±0.05mm and precise Pantone matching (X-Rite spectrophotometer verified).
Every membrane switch batch undergoes automated 100% electrical continuity testing, loop resistance measurement, insulation resistance checks, and sample actuation force curve analysis before export packaging.
We handle door-to-door express air freight (DHL/FedEx/UPS) to Kaunas International Airport (KUN) or Vilnius Airport (VNO) in 4–6 business days, or sea freight via the Port of Klaipėda with complete customs clearance documentation (EORI/HS code support).
For standard polycarbonate or polyester graphic overlays, prototype samples ship within 5 to 7 working days following DFM drawing approval. Express air delivery to Kaunas takes an additional 3 to 5 days.
Yes! We support low-volume prototyping starting from 1 piece using digital cutting and direct printing. This allows Kaunas R&D teams to validate fit, form, and ergonomics before committing to volume steel die tooling.
We utilize X-Rite spectrophotometers and standard Pantone Matching System (PMS) / RAL color codes. Color drawdown samples printed on the actual substrate (Lexan PC or Autotex PET) can be supplied for physical sign-off.
Please provide vector artwork in Adobe Illustrator (.AI), CorelDraw (.CDR), or vector .PDF format for graphics, and .DXF or .DWG CAD files for dimensioning, cutouts, key locations, and circuit tail pinouts.
We apply a continuous, unbroken perimeter seal adhesive ring surrounding the active circuit area, combined with top-exit or sealed rear-exit flex tails, preventing moisture or dust penetration behind the control panel.
Absolutely. All PET/PC films, screen-printing inks, conductive silver pastes, and 3M adhesive backings fully comply with EU RoHS 3 (Directive 2015/863) and REACH regulations. Certificates of Compliance (CoC) are included with shipment.
