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MB-N2-Purge Convection Oven

1_n2_purge

The MB-N2-Purge inert gas convection oven represents the optimal solution for heat-treatment processes in moisture sensitive applications as it provides precise thermal conditions in a particle-free inertgas atmosphere. Unlike vacuum ovens, this oven type uses the physical principle of forced convection for the heat transfer between the carrier gas and the product. Convection ovens prove to be more effective in reaching maximum temperature uniformity by the shortest process time cycles as they allow the possibility to circulate masses (inert gas) inside the oven and keeping the product continuously at defined temperatures.

The convection oven has been designed to serve two distinct functions – removal of absorbed moisture from rigid surfaces as well as curing of moisture sensitive layers under controlled environments. A proprietary double-wall design allows reaching excellent temperature uniformities for improved moisture/solvent removal as well as efficient cooling of the oven body after the heating cycle in order to achieve short total process times.

During the process, pre-heated purge gas (nitrogen or argon) is flushed through the oven. This leads to efficient curing of the product as vaporized moisture/solvent is continuously withdrawn. After the heating process, the oven atmosphere has an oxygen, moisture and solvent concentration in the lower ppm-range.

Please contact us if you have questions choosing the right oven for your specification needs.

Features

  • For glass sizes from Gen 1 up to Gen 4.5
  • Heating method of forced convection
  • Hinged outer service door
  • Manually operated and robot loaded setup available
  • Inner electro-pneumatically driven door seals
  • Four independent heating cycles
  • Proprietary double wall design
  • Maximum temperature of 200°C
  • Exceptional temperature uniformity
  • CE compliant

Options

Please contact MBRAUN for optional features

Specifications

Please Note: Specification may vary depending on configuration.

  • System control: Siemens S7-300
  • Process: Ambient pressure heated nitrogen purge oven (convection)

Door

(Inner door electro-pneumatic opening in vertical direction; outer door in hinged design; mechanical interlock to avoid same time)

Core part

Gas tight in stainless steel 1.4301; including sliding tray and electro-pneumatic valve (pump connection); double walls; oven inside clean room class 10 compliant

  • HMI: Full-color touch panel
  • Inner dimensions: 500 x 500 x 500 mm
  • Max. temperature: 200°C
  • Process temperature: 160°C
  • ΔT over mean T: +/- 5 K
  • Max. ΔT over substrate: < 2 K (in stationary phase)
  • Process time: Max. 180min @ 60 min hold time at final temperature.
  • Heating ramp:: ≤ 5 K/min

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