Cookies disclaimer

Read and accept our informative about cookies.

Description

VA10xxx

Vacuum Dispensing Systems for filling components in vacuum environment

Such kind of systems are used to fill fairly liquid resins into products that are kept in a chamber with reduced pressure (down to < 1 mbar absolute) during the dispensing process. The purpose for dispensing under vacuum is to avoid any trapped air and humidity in the parts, to increase high-voltage insulation and performance, to ensure uniform thermal dissipation and optimize the products for applications in harsh environments. Requirements mainly found not only in the coils & windings and electronic industries, but also for some specific mechanical components filled with silicon oil (e.g. rotating and linear dampers).

Most important preconditions for an absolutely void-free and repeatable high-quality filling of the components are a consistently stable vacuum and an optimally homogenized and pre-degassed material, homogeneously blended at the right mix ratio - easily achieved and guatanteed through our preparation and feeding unit A310 in combination with the vacuum dispensing systems VDS.


Usage and materials:

  • For filling and impregnating of electronic components such as transformers, motors (coils in general), sensors, power electronics for excellent insulation and high-voltage resistivity, with vacuum bonding.
  • Self-leveling, unfilled/filled and abrasive resins (polyurethane, epoxy, silicone, oil)

Equipment

  • PLC Control Unit UVIS neo (15" Touch screen Graphic Display)
  • Vacuum chamber with sight glasses and automatic door
  • Vacuum system with rotary vane pump
  • Pallet loading table
  • Pallet drawer
  • Scheugenpflug piston metering head (DOS P)

Optional

  • Multiple metering head (DOS P Vacuum)
  • 3-axis system for pallet movement
  • Joystick for manual operation and programming
  • Waste cup holder for purging and pot-life shot   
  • Heaters for pallet drawer, metering head and mixing nozzles

Variants

  1. VDS B1000 and B1000-XZ: Basic vacuum dispensing system with no or only limited pallet movement (XZ); small in dimensions, for low to medium production numbers and medium-sized to large work pieces. Can be combined with Scheugenpflug's volumetric piston metering head DOS P 1C or 2C with single or multiple mixing nozzles.

  2. VDS U1000 and U4030: Universal vacuum dispensing system for a 1- or 2 nozzle metering head; the work pieces are placed on a carrier which is then placed by a 3-axis movement system in the correct and repeatable dispensing position. The compact design, simple operation and huge axis movement range makes the VDS U a very flexible piece of equipment.

  3. VDS P6030 and P8030: Power vacuum dispensing system for high volume production; equipped with a high-performance rotary vane vacuum pump and a Scheugenpflug volumetric piston metering head with multiple nozzles, the VDS P is the perfect solution for high volume productions. By working with big work piece arrays and multi-fold metering heads, the cycle time per part and energy costs for vacuum preparation can be reduced dramatically.