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  • Capabilities
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      • Design & Engineering
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      • Process Engineering
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      • Fabrication
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Process Engineering

HomeEngineeringProcess Engineering

Process Engineering

We utilize advanced composite processes to achieve exceptional quality and structural performance.

Expertise in Multiple Composite Processes

A composite process where dry fibres are laid in the mould and resin is drawn through them using vacuum.

Key Steps

  • Lay dry reinforcement & flow media (helping materials).
  • Seal with vacuum bag.
  • Apply & achieve vacuum.
  • Infuse resin and cure.

Why VARIM?

  • High fiber volume & uniform resin distribution.
  • Low void content and better laminate quality.
  • Cleaner process with minimal resin wastage.
  • Suitable for large structures of moulds & products (of wind blades, spar caps, panels, CFRP & GFRP parts).

Best for

  • Large, high-quality GFRP/CFRP parts needing consistent thickness and strength.
  • Cost Effective
A closed-mould composite process where resin is injected at low pressure into dry fibres placed between a rigid mould and a flexible counter-mould.

Key Steps

  • Place dry reinforcement in mould.
  • Close mould (rigid + flexible counter-mould).
  • Inject resin at low pressure.
  • Cure and De-mould.

Why LRTM?

  • Smooth surface on both sides.
  • Better dimensional control than VARIM.
  • Low void content with controlled resin flow.
  • Lower tooling cost.

Best for

  • Medium-size, high-quality composite parts needing good surface finish on both sides.
  • Cost Effective

Purpose: To explain stacked mould vacuum bagging and uniform pressure application.

An open lay-up process improved by vacuum, where resin-impregnated fibres are compacted using a vacuum bag.

Key Steps

  • Wet lay-up on mould.
  • Apply peel ply, breather & vacuum bag.
  • Pull vacuum and cure.

Why Vacuum Bagging?

  • Better fiber wet-out than hand lay-up.
  • Reduced air voids and excess resin.
  • Improved laminate strength and consistency.
  • Simple and cost-effective.

Best for

  • Low–medium parts needing better quality than hand lay-up.
This process uses pre-impregnated fibres with controlled resin content, cured under vacuum and heat.

Key Steps

  • Lay prepreg plies on mould.
  • Vacuum bagging.
  • Cure in oven or autoclave.

Why Prepreg?

  • Highest laminate quality & repeatability.
  • Precise fiber/resin ratio.
  • Excellent surface finish and mechanical properties.
  • Minimal defects.

Best for

  • High-performance aerospace, automotive & premium composite structures.

Indutch is a leading manufacturer of highly-engineered composite Patterns, Molds & Component for Original Equipment Manufacturer (OEM) customers in Wind Energy, Mass Transportation, and Industrial Equipment.

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