Dryer for thick film pastes - Curing adhesives, resins

Furnaces for thick film technology: drying of thick film pastes and curing of polimeric pastes, adhesives, resins.

Prior to being submitted to be firing process, substrates with screened-on inks/pastes must be predryed to evaporate the solvents.

Hot air and IR heating are best heating method available by which thick film pastes can be properly dryed with optimum results: this is because infrared heat waves penetrate the material and dry the inside of the material first, then dry outwardly to the surface.

Convenction heat causes the outside of the paste to dry first forming a film through which it is difficult for the solvent within to pass.

The solvents actually become partially trapped and as they eventally are released cause cracks in the surface of the material. Consequently the surface is irregular, resulting in reduced conductivity or inconsistent resistivity.

The A206 drying ovens are designed to prevent the problems outlined. It’s design criteria are based on extensive experience in thick film technology, to provide the user with a machine that assures optimum results.

Standard features

  • Conveyor types: meshed belt stainless steel silicon teflon/glass
  • Finger for double side printed substrate
  • Muffle in stainless steel
  • Conveyor system with electronic speed control
  • Conveyor types: meshed bel stainless steel
  • Heating with ceramic panels
  • 50% convection type and 50% for IR
  • Muffle in stainless steel
  • Conveyor system with electronic speed control
  • 4 zones controlled by PDPI digital thermoregulators
  • Power solid state relays zero crossing
  • “Venturi” system with adjustable flow for controlled exhaust

Options

  • UV Curing zone/s
  • Conveyor cleaning by water and ultrasonic system
  • Temperature profiler
  • UV Curing zone/s
  • Automatic loading and unloading systems
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mod. A206 Drying-Curing

OG500 Furnace for firing up to 600°C

The Aurel OG500 furnace is designed for the firing of the thick film pastes used in high volume production of hybrids, solar cell, glass sealing, power device on aluminium or steel.

OG500 has a robust metal muffle with heaters on four sides for a precise 9 zones heating distribution and uniformity including the cooling section with air and water that allows a perfect temperature profile.

The extraction with Venturi system and the internal curtains ensure the evacuation of all burnout exhausts.

The thick layers of insulation and the smart computer control, limiting the load, save power the energy bill and the ambient.

Standard features

  • Conveyor type: Meshed belt stainless steel 304
  • Muffle in thick stainless steel 310
  • Heating with long life heating elements on top, bottom and sides
  • Conveyor system with electronic speed control 9 zones controlled by PC
  • Power solid state relays zero crossing
  • “Venturi” system with adjustable flow for controlled exhausts and input/output curtains

Options

  • Conveyor cleaning by water and ultrasonic system
  • Temperature profiler
  • Nitrogen or air atmosphere
  • Automatic loading and unloading systems for in-line systems

Download PDF (218 Kb)

RPC 1120 Reflow soldering system for IMS DCB Thick FilmReflow soldering system special design for Thick Film, DCB (Direct Copper Bonding) and IMS (Insulated Metal Substrates).

Mod. RPC 1120F Belt-less conveyor for high temperature and direct heating transmission to the substrates used in:

  • THICK FILM
  • DCB (Direct Copper Bonding)
  • IMS (Insulated Metal Substrates)

Download AUREL RPC 1120 – RPC 1100F

AF5 Forced convection reflow soldering systemForced convection reflow soldering system AF SERIES. Models AF5B and AF8B are a new design reflow ovens for SMD with the introduction of all the improvements for LEAD FREE soldering technology.

High power for an excellent heating distribution and precision, Higher soldering temperature, better cooling system with the combination of Curtains-Fans-Chiller.

Air or Nitrogen. Conveyor with meshed Belt or Belt-Fingers.

Download AUREL AF5-AF8

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