Through-air thermoforming ovens

Achieve Precision & Quality with Pyradia Thermoforming Technology

Pyradia designs and manufactures through-air thermoforming equipment. Thermoforming is a process in which materials are heated and then pressed or vacuum-formed into the desired shape. Through-air thermoforming is used for porous materials such as nonwovens, woven carpets, foams and various coated fabrics. Heated air volume is pushed through the material thickness, directly heating fibers, achieving unparalleled high heat transfer.

Pyradia has extensive experience in through-air thermoforming batch ovens for nonwoven blanks heating. Multiple Tier-1 automotive manufacturers are producing high quality and precisely defined interior components such as carpets, dashboards, headliners and other components, using Pyradia thermoforming ovens. We fabricate top-rated machinery, such as thermoforming ovens, pick-and-place machinery, unwinds cut-to-length, tenter frames. Whether you are looking for a carrousel or in-line layout, with material rolls to be automatically cut to desired length or automatic and continuous blank pile unstacking, we can provide a complete through-air thermoforming solution or an individual machine to be integrated into an existing production line.

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The Ideal Thermoforming Solution for
Sensitive Materials

Through-air ovens precise temperature and airflow controls allows processing a wide range of substrates, from delicate lightweight nonwovens to thick fiber battings. Through air is a gentle process that minimizes heat damage or distortion of sensitive materials, heating-up delicate substrates without compromising their structural integrity or performance.

Certain thermoforming processes involve marrying two material blanks, each requiring different heating methods. We can manufacture a thermoforming oven that simultaneously treats one layer with infrared and the other with through-air heating.

With over 50 years of experience, extensive process knowledge, drying modeling software and pilot drying equipment, Pyradia engineers will analyse your specifications and recommend the ideal dryer configuration for optimal process efficiency.

PROCESSES

– NONWOVENS
– PRE-HEATING
– THERMOFORMING

Features


  • Pyradia through-air thermoforming oven features:
  • Fully automatic heating & molding sequence
  • Rotary or in-line configuration
  • High heat and mass transfer efficiency
  • Variable speed drives for easy adjustment of the recirculated air volume
  • Optimum airflow velocity uniformity throughout the operating range, optimizing product properties uniformity.
  • Excellent temperature uniformity
  • Electric or gas heating (direct or indirect)
  • Aftermarket services
  • CSA and cCSAus certification
  • NFPA 86, OSHA & FM standard compliant
  • Options


  • The following options are available on Pyradia through-air thermoforming ovens:
  • Infrared combination heating
  • Precisely controlled recirculated volume with differential pressure flow transmitter
  • Material blank unloader
  • Unwind cut to length
  • Tenter frame
  • Controlled stretch during heat-up sequence
  • Scada and remote communication systems
  • Installation and start-up services
  • Heat treating furnaces applications:


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