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    Sigmetrix helps enterprise leaders build higher quality, cost effective solutions—faster than ever before. 

    Our comprehensive solutions are trusted by teams across the enterprise in a variety of industries to help identify mechanical variation faster, resulting in more efficient processes and more cost-effective products

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      How We Help

      Produce higher-quality, cost-effective products across the enterprise.

      Who We Help

      Solutions for manufacturers, engineers, and designers in a variety of industries.

      Where We Help

      Build better products and processes across the enterprise. 

      Robust solutions that streamline and enhance the mechanical variation management process.

      Our tolerance analysis and GD&T solutions  unite the ideal world of product design with the real world of manufacturing and assembly—where mechanical variation has a significant impact on product cost.

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        Tolerance Analysis

        Predict, manage, and optimize mechanical variations.

        GD&T

        Understand permissible variation earlier in the design process.

        Model-Based Definition

        Optimize tolerances within 3D models.

        Meet the Team

        We've been helping build better products for 25+ years. 

        Our Partners

        We integrate directly with several major CAD platforms.

        Global Reach

        Tolerance analysis and GD&T solutions for a variety of industries worldwide.

        Join Our Team

        Join the brightest, most talented, and most motivated teammates. 

        Resources to help you better manage mechanical variation. 

        Case studies, whitepapers, webinars, and more resources backed by our tolerance analysis and GD&T experts.

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          Resource Center

          Learn how you can produce better products, reduce development costs, and more.

          Blog

          We publish frequently on mechanical variation management, GD&T best practices, and more.

          Hands-On, Targeted Training, Geared to Your Unique Environment

          Sigmetrix offers training focused on the subjects of:  

          • GD&T 
          • Tolerance analysis 
          • MBD / MBE 

          All these courses are presented with the big picture in mind, considering the inter-relationship between Design, Manufacturing, Inspection (QA/QC), Assembly, Service, Purchasing and all other facets of the Design/Manufacturing continuum.  Instructors will lead your staff through the required levels of training supplemented by examples, exercises, and applications based on your products and processes. This provides the well-rounded understanding your staff needs for your firm to compete in today’s competitive global marketplace.

          Additionally, Sigmetrix provides software training to ensure proficiency with your dimensional management software including courses for: 

          MEET OUR TRAINERS

          Our engineers bring tolerance analysis & GD&T knowledge to blend subject matter, software expertise, & practical application to your products.

          We go beyond initial training to address complex design challenges, critical deadlines and implementation strategies that work for your product development process. 

          erich-zwettler
          Erich Zwettler
          Erich is an expert-level trainer and practitioner of GD&T, having learned and honed his skills in the Automotive and Aerospace industries prior to joining Sigmetrix. His career started with 4 years as a Product Engineer with Dura Automotive Systems, designing manual seat adjuster mechanisms. Then, he spent 12 years with Rolls-Royce Corporation, checking, training, and consulting on GD&T, writing specifications and standards, and helping to clarify drawing interpretation globally.
          marius
          Marius Zvolinschi
          Marius is an expert-level CETOL practitioner and trainer, having learned and honed his skills in the Heavy Equipment Industry prior to joining Sigmetrix. Upon graduating from Transylvania University of Brasov, Romania with a Mechanical Engineering degree, Marius worked as a Product Engineer for a Romanian consultancy company on several Caterpillar design projects.
          dan-1
          Dan Lange
          Dan is an expert-level user and instructor for tolerance analysis software and methods including CETOL 6σ, EZ Tolerance Analysis, and EZtol. With an Industrial Engineering degree from Purdue University, he began his career at Eastman Kodak in assembly operations optimizing throughput and leading multi-discipline problem-solving teams. After 7 years in assembly operations, Dan transitioned into a customer-facing role as a sales and technical specialist.
          jesse
          Jesse Zahner
          With an extensive background in Model-Based Enterprise, Jesse serves as a voice on Sigmetrix’s MBE efforts. Coming to Sigmetrix with a Master’s in Product Lifecycle Management from Purdue, along with prior experience at Elysium and Boeing, he helps guide product enhancement and delivery. As a student of the piano, Jesse brings the rigor of practicing music to his work at Sigmetrix.

          Resources to Help You Master Mechanical Variation Management

          Get case studies, whitepapers, and more resources backed by our tolerance analysis and GD&T experts. Learn exactly how you can produce better products, reduce development costs, and make your processes more efficient.

          Expert Webinar Series

          The Expert Webinar Series content is developed to answer many of the common questions and misunderstandings related to all things related to mechanical variation, MBD, GD&T, tolerance analysis, dimensional management and more. Our ongoing webinars are designed to deliver superior content with no travel costs. Participants interact directly with our experts and consultants, as well as some customer and partner subject matter experts on crucial topics to enhance expertise. Webinars are recorded and archived for convenient on-demand access.

          WATCH THE WEBINAR
          EZtol v2.3 Streamlines 1-D Tolerance Stackups
          EZtol 2.3 is fast and easy to use. See how in this webinar.
          WATCH THE WEBINAR
          EZtol v2.1 makes tolerance stackups even easier for SOLIDWORKS models
          Join us for our webinar to see how this latest release extends EZtol’s advantages over spreadsheets!
          WATCH THE WEBINAR
          CETOL 6σ v11.0 Demonstration
          The webinar will provide a demonstration our newest version of CETOL 6σ, v11.
          WATCH THE WEBINAR
          EZtol v2.0 Makes Tolerance Stackups Even Easier
          Join us for our webinar to see how this latest release extends EZtol’s advantages over spreadsheets!
          WATCH THE WEBINAR
          3D CIC: Home Edition – CAD Hackathon with Sigmetrix
          We all like to think we can tolerance our parts in accordance with ASME Y14.5, but the tolerancing game isn’t always as easy as it seems! Join us at the Home Edition event to view the 1st and 2nd place winning submissions.
          WATCH THE WEBINAR
          Analyzing Autodesk Inventor Designs with CETOL 6σ
          This webinar will introduce users of Autodesk Inventor to Sigmetrix’s 3D tolerance analysis tool, CETOL 6σ.
          WATCH THE WEBINAR
          EZtol Simplifies Tolerance Stackups
          EZtol is a tolerance analysis program focused on simplifying the definition of tolerance stackups most commonly performed using spreadsheets.
          WATCH THE WEBINAR
          Check out the newest solution for 3D Tolerance Analysis
          This one hour investment of your time will help you understand how companies in all industries are using CETOL 6σ to create designs that optimize the balance of high quality at low costs.
          WATCH THE WEBINAR
          State of GD&T / GPS Currently and GD&T / GPS Trends Over Time
          We will be discussing GD&T/GPS adoption rate, investment, and perceived value based on a number of market segments
          WATCH THE WEBINAR
          Stump our GD&T Experts
          If your company is struggling with GD&T, please join us for this webinar. We’ll get you pointed in the right direction.
          WATCH THE WEBINAR
          Gaining model insights with CETOL 6σ Visualize Sensitivities
          This presentation will cover CETOL 6σ Visualize Sensitivities functionality using simple and advanced use cases.
          WATCH THE WEBINAR
          GD&T in Education
          Is GD&T important for new graduates to know, or is GD&T something that is only necessary further in one’s career?
          WATCH THE WEBINAR
          Ask The MBD Experts (Q&A): From Design to Manufacturing
          We’ve gathered an all-star team of MBD experts to answer any of your MBD-related questions!
          WATCH THE WEBINAR
          Better Assembly Modeling for Tolerance Analysis
          In this webinar we will dig into some the technical aspects of the assembly constraint modeling used by CETOL and why it is important for proper tolerance analysis.
          WATCH THE WEBINAR
          Web of Product Information: Why does GD&T work without MBD, but MBD requires GD&T?
          Join Sigmetrix for the answers to these and other questions with a discussion on the relationship between GD&T and MBD.
          WATCH THE WEBINAR
          Work Virtually … With MBE
          Why is MBE important? How does MBD fit into a digital enterprise? Why does it matter?!