Fill RTM Line | © Fill
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Large numbers - short cycle times

When manufacturing parts in large numbers and short cycle times, the RTM (resin transfer molding) process is used in most cases. For this manufacturing technology, Fill develops and builds complete lines – from the raw material on the roll through to the machined and tested part. A classic example of this process is the leaf spring. 

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Fill Machine Engineering Rupertsberger Wilhelm | © Fill
Wilhelm Rupertsberger Head of Competence Center Plastics
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The concept

After preforming, the parts are manufactured in multiple cavities in the high-pressure RTM process. This is followed by final processing with robot systems or machine tools. In the last step, all parts are tested non-destructively for their required properties then packed. 

The process traceability of every single part is extremely important for safety components. This is ensured by a central data management facility. 


  • Fully automated process chain – low personnel costs  

  • In-line quality inspection  

  • Central management of all process data  

  • Short set-up times when changing tools  

  • Compact layout design 


Input material: Rolled material    

width: up to 1,600 mm

Max. no. of layers


Max. component weight (kg)


Max. no. of RTM cavities


Cycle time per cavity (sec.)

approx. 60, depending on resin system

Electronic controller

Siemens Simatic S7-1500 



Special sizes

on request

Automatic roll change at entrance

Integration of provided press systems

Automatic packing

Technical specifications subject to change .

Contact request

We would like to put you in touch with a competent contact person for your request. Just a few pieces of information are enough for us to be able to help you in the best possible and timely manner.