Household appliances
Maximum reliability and accuracy

Metering technology for the production of household appliances

Solutions for all production steps: bonding, sealing, greasing, potting and gasketing

The production of modern household appliances for the global market requires stable, automated production processes. This is essential for long-term success in the competitive international market.

Metering and mixing technology is a key part of almost all production steps in the household appliance industry. The various components are bonded, sealed, greased or potted during the production process. DOPAG offers the customised metering and mixing systems required for every type of application: bonding, sealing, greasing, oiling, potting and gasketing.

For sealing, DOPAG offers metering systems for the dynamic mixing and application of sealing foams as well as metering and mixing systems for the application of adhesives. Various systems fitted with piston or gear pumps are available for the metering, mixing and application of sealants and adhesives. For greasing and oiling, a modular range of metering components, valves and pumps enables individual systems to be set up, which can be integrated into automated production lines.

We adapt and customise all metering and mixing systems to your specific requirements. Our engineers and technicians support you throughout the design and execution of your production processes.

We are happy to help

Anoop Thampy
+91 8750 979 979
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Washing machines

  • Greasing: dampers, drum bearings, door seals and hinges, electrical switches
  • Gasketing: filling the frame, control housing, water pump
  • Bonding and sealing: door seal, display, top panel, worktop
  • Potting: Heat condensers for tumble dryers

Dishwashers

  • Greasing: pumps and seals, plastic sliding elements, door hinges and seals.
  • Gasketing: tab box, frame, rear panel
  • Bonding and sealing: display, panels, sound and vibration damping, rear panel
  • Potting: control electronics

Refrigerators and freezers

  • Greasing: Sintered bearing soaking of electric motor, door hinges, compressors, pistons
  • Gasketing: frame seal, noise insulation elements
  • Bonding and sealing: housing, display, glass front, insulating glass doors, noise insulation
  • Potting: control electronics

Ceramic hobs and ovens

  • Greasing: air circulation fan, sintered bearing soaking, gas valves, electrical switches, door opening mechanisms
  • Gasketing: ceramic hobs, hot plates, oven door
  • Bonding and sealing: display, panels, glazing
  • Potting: control electronics

Household appliances

Greasing, gasketing, bonding, sealing and potting for:

  • Coffee machines, toasters
  • Kneading devices, mixers
  • Microwaves
  • Vacuum cleaners
  • Air conditioning systems
  • Steam irons

Rinsing

  • Gasketing: foamed seal on installation side

We offer metering and mixing technology for these applications:

Gasketing

Gasketing

Provides external sealing of housing and protects electronics from dust and moisture.

Bonding and sealing

Bonding and sealing

Components are bonded and sealed against dust and moisture.

Potting

Potting

Electrical and electronic components are potted with epoxy resin, for example, and thus protected against dust, moisture, corrosion and shock, as well as providing sight protection and protection against replication.

Greasing and oiling

Greasing and oiling

Moving parts or seals are greased, which ensures a long functional life.

Application cases

Markets

Choose your markets:
All DOPAG articles at a glance:
  1. Valves for grease spraying in furniture production

    DOPAG offers furniture manufacturers flexible and reliable solutions for the automated application of lubricants.

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  2. Turnkey systems for automated metering and mixing

    CTO Daniel Geier talks in the interview about challenges in automated dispensing technology.

    More
  3. Individual systems for automated glue dispensing

    The household appliance manufacturer Amica uses an invidual glue dosing system from DOPAG for the production of oven doors.

    More

Custom-built dispensing systems to automated bonding applications

Automated component handling as well as integration of pre-treatment and post-treatment

We cover every step involved in the automated application of adhesives:

  • Pre-treatment: plasma, corona flame, brushes
  • Adhesive application for one, two and multi-component adhesives and sealants
  • Different application methods: bead, spray, thin layer
  • Manual, semi-automated or fully automated systems depending on level of automation
  • Joining techniques: hot stamping, clinching, screwing
  • Hardening systems: infrared, ultraviolet (UV), medium-frequency technology, continuous furnaces
  • Various robot systems
  • Quality assurance: volumetric measuring systems, verification of adhesive application (position and quality), component control and measuring 
  • Process data archiving, process visualization: data carriers (USB, flashcard), network, SCADA systems

Bonding and sealing is becoming an increasingly popular method of joining components without screws. With DOPAG systems, applications can be realized reliable and precise.

  1. economix

    economix

    The economix range of systems are compact, solvent free, pneumatically driven piston pump metering and mixing systems.

  2. eldomix

    eldomix

    The eldomix 100/600 range of systems are compact, solvent free, gear pump driven metering and mixing systems.

  3. variomix

    variomix

    The variomix range of systems are solvent free, compact, pneumatic or hydraulically driven piston pump metering and mixing systems.

  4. vectodis

    vectodis

    Vectodis is used to handle single component materials. Just a suitable material supply and metering computer is required.

  5. vectomix

    vectomix

    Vectomix is used to handle multi component materials. Due to its compatibility and modularity, two vectodis single component piston metering with equal or different sizes are used.

With dynamicLine and the new dynamic mixing head, DOPAG offers an efficient solution for all applications relating to gasketing.

  1. Dynamic mixing head

    Dynamic mixing head
    The dynamic mixing head with its new valve technology has been designed for mixing of low to  high-viscosity polymeric reaction substances for foaming, bonding, sealing, and potting.

In Potting, resins such as silicones, polyurethanes or epoxy resins are used in liquid form. For the production process, DOPAG offers various metering and mixing systems.

  1. economix

    economix

    The economix range of systems are compact, solvent free, pneumatically driven piston pump metering and mixing systems.

  2. eldomix

    eldomix

    The eldomix 100/600 range of systems are compact, solvent free, gear pump driven metering and mixing systems.

  3. variomix

    variomix

    The variomix range of systems are solvent free, compact, pneumatic or hydraulically driven piston pump metering and mixing systems.

Whether it be racks, headrests, door locks or just the wheel bearings in automobiles, all must be greased. DOPAG provides the optimum metering system for each of these applications.

  1. Chamber metering valves

    Chamber metering valves

    Chamber metering valves are used for dot application. They offer a wide range of shot sizes and feature a drip-free mechanism.

  2. Gear Flow Meter

    Gear Flow Meter

    Developed specifically for use in DOPAG metering systems, the flow meter is used for measuring the exact material flow rate at any given moment.

  3. Handheld dispensing valves

    Handheld dispensing valves

    Handheld dispensing valves from DOPAG enable a clean manual application of greases and oils.

  4. Handheld metering valves

    Handheld metering valves

    DOPAG offers a variety of handheld metering valves for the manual dispensing of lubricants.

  5. High-speed valves

    High-speed valves

    High-speed valves are used for contactless lubrication in automated processes. They are excellent at greasing hard-to-reach spaces in a clean and precise manner.

  6. Light barrier

    Light barrier

    The light barrier is used with shot and high-speed valves to monitor the number of discharged shots.

  7. Material pressure regulator

    Material pressure regulator

    The material pressure regulator ensures a pulsation-free dispensing of grease, oil and silicone.

  8. Membrane dispensing valves

    Membrane dispensing valves

    Membrane dispensing valves are used for continuous application of 1K media. They can process reactive, abrasive and chemically aggressive material.

  9. Needle dispensing valves

    Needle dispensing valves

    Needle dispensing valves offer high flexibility and are ideal for continuous applications of low to high viscosity media.

  10. Needle metering valves

    Needle metering valves

    Needle metering valves are ideal for applications requiring the application of small quantities with higher reproducibility and short cycle times.

  11. Pressure sensors

    Pressure sensors

    Pressure sensors for the monitoring of material pressure in complex dispensing processes using shot or spray valves.

  12. Pressure Tanks

    Pressure Tanks

    For effortless and clean feeding of low viscosity media such as paint, oils and preservatives.

  13. Pumps for lubricants

    Pumps for lubricants

    The lubriLine pump range offers products specially designed for the processing of grease and oil.

  14. Rotary Applicator

    Rotary Applicator
    The rotary applicator was specially developed for 360° greasing or oiling of holes.
  15. Shot valves

    Shot valves

    DOPAG shot valves are designed for an accurate and contactless application of lubricants in automated production processes.

  16. Spray Guns

    Spray Guns

    The spray gun is our solution to manual full-surface application of greases and oils.

  17. Spray valves

    Spray valves

    The DOPAG spray valve has been specially designed for the application of grease and oil over the entire surface. 

  18. Stroke detection

    Stroke detection

    The stroke detection device reliably monitors the correct activity in various dispensing and metering valve types.

  19. Transfer Pumps

    Transfer Pumps

    Transfer pumps are used for material feeding directly from the original containers.

DOPAG offers specially developed dosing systems for dosing thermally conductive materials such as gap fillers, adhesives and sealants or potting compounds.

  1. vectomix TC

    vectomix TC

    The dispensing system vectomix TC is especially designed for metering and mixing thermally conductive materials.

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