SIGMA Engineering GmbH of Aachen at K 2019 in Düsseldorf -- K Trade Fair
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SIGMA Engineering GmbH

Kackertstr. 11, 52072 Aachen
Telephone +49 241 894950
Fax +49 241 8949520

Hall map

K 2019 hall map (Hall 13): stand B31

Fairground map

K 2019 fairground map: Hall 13

Our range of products

Product categories

  • 03  Machinery and equipment for the plastics and rubber industries
  • 03.08  Digitalization
  • 03.08.002  Simulation software
  • 04  Services, Research, Science
  • 04.01  Computer software services

Computer software services

  • 04  Services, Research, Science
  • 04.06  Science and consulting

Science and consulting

Our products

Product category: Simulation software

SIGMASOFT® Virtual Molding

SIGMASOFT® Virtual Molding is a 360° 3D simulation solution which considers complete material and process parameters.  Thus, it guarantees high efficiency in the production of injection molded parts. The software works as a virtual injection molding machine, which allows you to test different steps and configurations for your parts, molds and processes, without wasting resources. This leads to full transparence of the production processes, because you no longer have to ignore or leave out the crucial details during planning and realization. All SIGMASOFT® products deliver solutions for the following materials: Thermoplastics, Elastomers, LSR, Thermosets, MIM/CIM and Thixo.

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Product category: Simulation software

SIGMASOFT® Autonomous Optimization

SIGMASOFT® Autonomous Optimization allows the users to exploit the full potential of modern simulation approaches and to discover what was up to now hidden below the surface.

Using predefined parameters SIGMASOFT® calculates the optimum configuration of molds, processes, times, temperatures, costs and many more influencing factors in the injection process – automatically. You define your goal and SIGMASOFT® Virtual Molding finds the optimum route – autonomously. This makes your course of action fast, reliable and cost-effective.

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Product category: Simulation software, Science and consulting


SIGMAinteract® is a free software for the visualization of SIGMASOFT® 3D results, which are shared between colleagues and project partners. It encourages the project communication by enabling you to analyze the simulation results in detail and from all necessary views. Thus, all your questions will be answered best. SIGMAinteract® promotes users and customers to stay in constructive communication and provides the basis for fast and sound decisions.

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Company news




Aug 26, 2019

SIGMA at K 2019: Utilizing Virtual DoE over the Entire Development Process

Accompanying the development process with SIGMASOFT  ®, from part design, over mold design to production

At this year’s K Show SIGMA Engineering aligns its booth concept with the motto “SIGMAinteract – Autonomous Optimization connects departments” and presents its new SIGMAinteract. In a cooperation project SIGMA shows how to use virtual DoE during the entire development process of the project. With SIGMAinteract results are displayed interactively and in 3D. Thus, its usage makes knowledge tangible and easy to share between departments.

Aachen, July 31st, 2019 – For SIGMA Engineering GmbH the K 2019 (16th – 23rd October 2019, Düsseldorf, Germany) is all about “SIGMAinteract – Autonomous Optimization connects departments”. At the SIGMA booth in hall 13 at booth B31 this immediately becomes visible with a completely new design concept.

Making informed decisions throughout a project requires involvement from partners in various departments. This means project data must be provided to each participant and they will need free and easy access to it. Therefore, SIGMA presents its new SIGMAinteract: Now, users can share SIGMASOFT  ® results interactively and in 3D with colleagues, project partners and customers. SIGMASOFT  ® hereby encourages the interdisciplinary exchange and provides a direct link between the simulation in development and production.

Visitors can experience and use SIGMAinteract live at the booth. There, SIGMA will demonstrate how virtual DoE is used most efficiently and how the SIGMAinteract tool significantly contributes to a good interdisciplinary exchange. As a demonstration SIGMA uses the project “Pot Cloth”, which was realized as a collaborative project with Momentive Performance Materials GmbH, Germany, EMDE MouldTec GmbH, Germany, Wittmann Battenfeld GmbH, Austria, and Nexus Elastomer Systems GmbH, Austria.

In this project part design and tool construction were done in parallel. Therefore, it was necessary for all partners to work closely together. Simultaneously, SIGMA conducted a virtual DoE for the validation of the part design and the evaluation of the heating concept.

The SIGMASOFT  ® results showed that the honeycomb structure of the part placed high requirements on the material and the tool. There was also a high possibility for air entrapments at the weldlines of the comb walls and premature curing during filling which would need to be prevented. The hanger was what determined the cycle time. With help from SIGMASOFT  ® the ideal length and power of the heating cartridges was determined to achieve an even temperature distribution in the cavity area.

Combining the results of these two DoEs, a common ground for all project partners was created and the project board could make fast and well-founded decisions: A venting system was implemented into the tool. Premature curing was prevented via a well-chosen material and the part could also be scaled up. The hanger was redesigned allowing the heating time to be reduced by five seconds.

At the SIGMA booth visitors can observe the production of the “Pot Cloth” virtual and live. It will be produced on a SmartPower 90/350, control UNILOG B8, from Wittmann Battenfeld [booth 15C06]. The LSR injection molding tool including the cold runner system was constructed by EMDE MouldTec [booth 12A21]. The system is completed by a ServoMix X200 dosing system from Nexus Elastomer Systems [booth 12E49-01]. Silopren LSR 2640 from Momentive Performance Materials [booth 6B15] is used as material for the production.

As an example, for the knowledge transfer during the product and tool design phase central results are directly presented interactive and in 3D on the machine with SIGMAinteract. Thereby, simulation and production are directly linked together. The visitors see in a descriptive manner, how to share simulation results with colleagues and customers quickly and easily.

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About us

Company details

SIGMA Engineering GmbH is a sister company of the technology and market leader in casting simulation located in Aachen, Germany. Owner managed and fascinated by technology we make modern polymer forming processes transparent. With our simulation product SIGMASOFT® Virtual Molding our customers optimize plastics parts and injection molds as well as production conditions of thermoplastic-, elastomer-, thermoset- or MIM/CIM applications.

Customers optimize their injection molding production with a consequent virtualization of all process phases from the first design up to serial production. Here they are also support by SIGMA’s personal Solution Service who assists in interpreting the results.

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Company data

Number of employees

11 - 30



Area of business

Services for the plastics and rubber industries

Company information as a PDF file