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Published: Friday, May 9, 2014

Published: Friday, August 15, 2014

Seifert Technologies, was recently involved in a project that had us evaluating a client’s existing pump skids.  We gathered load and constraint information,lifting parameters and installation criteria. After reviewing all of the data, our engineers ran a Finite Element Analysis, using Autodesk Simulation (Algor), on the existing structure for stress and deflection.  Each component of the skid and hydraulic tank assembly was modeled as a separate volume for FEA meshing.  The volumes were meshed individually in separate groups to permit selective viewing in the results.  However, Algor analyzed the model as though there were welded connections at the volume interfaces.  This current skid design has been used for several years, in static locations, without any issues and based on the static load the skid was viable for its intended use. However, when moving the skid from one location to another, which is now required, the stress and deflections at the lifting points exceed normal safety limits.  When lifted, the acceleration of the skid and attached components amplifies the load by a factor of 1.5G.  This would have created a failure during onsite skid installation, as seen in the model to the left.  



The engineers at Seifert Technologies redesigned the stand with proper connections and reinforcements in the high stress areas (right) and the design was approved for use in the field.







Our analysis also showed that the current skid would impart deflection into any components that are mounted to the skid, such as the fluid tanks.  These tanks were welded to the skid frame, creating rigid connections, and when the skid was lifted to be moved, any deflection in the skid would also be imparted on the tank.  This caused the tanks to buckle when the skid was lifted (left).  


We incorporated sliding, non-rigid tank mounting connections to alleviate the lifting stress, therefore eliminating tank buckling (right).





One other issue was discovered with this design when were viewed all of the data.  When tanks were welded to the top of skid, temperature variations between the fluid and ambient temperatures would create stresses over 45,000psi at the weld points causing stress fractures (left).  The high stresses in the contact areas are mostly due to the fact that the tank needs to expand in each direction about CG.  Since the skid is welded to the tank, the tank can’t move and expand, creating stress risers. The solution that was used to solve the deflection issue was also used to solve the problem with temperature variations.







Dave Schumacher is a graduate of Stark State College of Technology,with continued education in Engineering Technology. Dave graduated from Perry High School and is a long standing resident of Stark County.

Dave Schumacher is a valued member of the Seifert Engineering team with over 20 years of experience at Seifert Technologies.    Amongst other projects, his work on the development of an Oscillating Cylinder Test Stand acquired a US Patent#7,231,820.  He continues to work on solving equipment problems for Seifert clients.   He is proficient in utilizing FEA, Parametric design programs like Visual Basic, Pro/E, and Pro/Programs.

Dave is a member of SME (Society of Manufacturing Engineers)and has served as a chairman in previous years.  He was also a Junior Steward of the Clinton Masonic Lodge #47 from 2000-2003.


Published: Wednesday, December 31, 2014
Seifert Technologies is pleased to announce the expansion of our services to include 3D printing. We have been designing machines for 30 years now and in addition to our expertise of SolidWorks and AutoCAD, we now have the capability to offer rapid prototyping to our clients.

We have taken the following into consideration when we chose to expand into this market:


Custom Manufacturing and Rapid Prototyping 

3D printing is the ultimate just-in-time method of manufacturing! If you have an aging system that is hard to find parts for, 3D printing is an excellent solution to creating parts that work at a fraction of the cost and time. If you are an inventor and you want to see your design, the sky is the limit with additive manufacturing. Creating your prototype can allow inventors to bring their products to market quickly.


Better Designs 

At Seifert our 3D printer is powered by FDM (Fused Deposition Modeling) Technology. It prints in nine colors of real ABSplus thermoplastic. The ABSplus material is up to 40 percent stronger than standard ABS material and is an ideal material for conceptual prototyping all the way through the design verification process. Parts printed in this material are mechanically strong and stable over time. We have the capabilities to choose fine resolution or faster printing, with layer thicknesses of 0.254 mm (0.010 in.) or 0.33 mm (0.013 in.) Our 3D printer technology offers the widest range of colors available with FDM Technology (ivory, white, black, dark gray, red, blue, olive green, nectarine and fluorescent yellow), plus the option for custom colors. We also have the capacity to build parts up to 10” x 10” x 12”. Our printer can also print functioning parts due to soluble support material. When the support material is dissolved away, you are left with moving parts.

Environmentally Friendly

The very nature of 3D printing, creating a part layer by layer, instead of subtractive methods of manufacturing lend themselves to lower costs in raw material. Instead of starting with a big chunk of plastic and carving away (milling or turning) the surface in order to produce your product. Additive manufacturing only "prints" what you want, where you want it. 3D printing eliminates much of the manufacturing waste by creating your product or design layer by layer. Seifert Technologies is also local so the impact on the environment for transporting your parts is significantly reduced. The fact that we are local also allows us to have a faster service to our clients.


Published: Friday, August 28, 2015

Published: Thursday, July 16, 2015

3D Printing

3D printing and rapid prototyping are dramatically changing today’s manufacturing industry due to recent advances in technology. According to a survey conducted by PWC, two out of every three manufacturing companies in the United States are already taking advantage of the capabilities of 3D printing. Why is this new invention trending so quickly? 3D printing offers an endless number of desirable services. 

How It Works 

In short, 3D printers are machines that convert computerized designs into usable, tangible models. Once the design is sent to the printer, thin strands of material such as plastic or nylon are fed through a tube where they are heated and liquefied. Then, the printer uses the 2D design to construct a 3D object, 0.1-millimeter layer at a time. In the making,the 3D object is surrounded by support material in order to keep its shape asit hardens. The support material can later be removed to reveal the printer’s final product. 

Rapid Prototyping
One of the most widespread uses of 3D printing is rapid prototyping. 3D printers allow companies to have accurate parts available in a short amount of time and with limited expense. Having actual printed parts available is beneficial because it helps customers visualize the final product before any final developments. This way, they are able to let the company know if they want to make any changes to the product’s design.Furthermore, the wide variety of 3D printing materials allows for functional prototypes for applications requiring high-strength parts. With all of this being said, 3D printing has forever changed the process of prototyping,therefore making business deals more efficient than ever.  

3D Printing and Manufacturing
Aside from creating replacement parts and prototypes, 3D printers also have the ability to produce actual, final products. As more and more advances are being made to 3D printing technology,3D printers will become even faster and more accurate than they are today.Eventually, manufacturers are bound to replace traditional assembly lines with lines of 3D printers. 3D printing and rapid prototyping could easily be the beginning of a new era, not only in the manufacturing realm, but in the business world as a whole.

Seifert’s Advantage
From its ability to create prototypes to its role in manufacturing, 3D printing is clearly an advantageous business move.Realizing this, the Seifert Companies has adapted to this technology and invested in their very own 3D printer. With this machine conveniently located inside the Massillon office, Seifert is able to quickly and easily convert their designs from CAD drawings to physical prototypes, essentially making Seifert a “one-stop shop.” With over 30 years’ experience, the Seifert Companies are able to combine their vast knowledge in engineering with their 3D printing capability in order to fulfill their customers’ needs as efficiently as possible. 3D printing is yet another resource that puts Seifert above your average “send out” printing companies, which is why customers should choose Seifert first.



Published: Friday, November 13, 2015
Heat Exchanger in 2D Rendering Have you ever heard of the saying “measure twice, cut once?”  The same could be said for designing a product or structure.  Designers use three-dimensional solid modeling (3D) and visualization software to improve the overall structure and workability of an object before it is ever built or modeled. 3D solid models represent a physical body using a collection of points in 3D space, connected by various geometric entities such as triangles, lines, curved surfaces, etc.  They are often used to represent structural frames and communicate design information for suppliers and manufacturers.

Although design processes and design management are often explored extensively, 3D software appears to be under-researched, and underutilized. Critical decisions made early in the project, such as the choice of structural frame, could help improve the structural integrity of the design. Seeing this in 3D is a vital step used to create the best version of a prototype that could become a production part.

Heat Exchanger in 3D Rendering There are three popular ways to represent a model in a 3D form. 

1.  Polygonal modeling – An array of points in 3D space, called vertices, are connected by line segments to form a Polygon mesh. The vast majority of 3D models today are built as textured polygonal models, because they are flexible and computers can render them quickly. However, polygons are planar and can only approximate curved surfaces using many polygons.
2.  Curve modeling - Surfaces are defined by curves, which are influenced by weighted control points. The curve follows (but does not necessarily interpolate) the points. Increasing the weight for a point will pull the curve closer to that point.
3.  Digital sculpting – 3 types of digital sculpting include:
    • Displacement - which is the most widely used among applications at this moment, volumetric, and dynamic tessellation.
    • Volumetric - based loosely on Voxels has similar capabilities as displacement but does not suffer from polygon stretching when there are not enough polygons in a region to achieve a deformation. 
    • Dynamic tessellation - similar to Voxel but divides the surface using triangulation to maintain a smooth surface and allow finer details.

All of these methods allow for very artistic exploration since the model will have a new topology created over it once the form and details have been sculpted. The result is a model that can then be used to create a prototype or printed with a 3D printer.  The possibilities are endless.

Solid modeling shortens design cycles, streamlines manufacturing processes, and accelerates product introductions by improving the flow of product design information and communication throughout an organization, as well as among its suppliers and customers. For your business, this means faster time-to-market and higher quality products translate into increased revenue, while reduced design costs. Seifert Technologies – Engineering Division can help you create these 3D solid models using the latest software such as SolidWorks, AutoDesk Inventor and PTC Creo, just to name a few.  We can work with you through every stage of development to ensure results.  Contact us today to meet with our team our experts.

Published: Thursday, November 19, 2015
Finite Element Analysis (FEA) can significantly improve structural/component designs.  By simulating how a product will react to real-world forces (vibration, heat, fluid flow, and other physical effects) the use of FEA improves designs to optimize them for real-world applications.

In loadings, complicated geometries, and material properties where analytical solutions cannot be obtained, FEA helps to find potential failure points before production starts. By simulating the stresses that a structure or component will encounter, designs can be optimized to reduce weight, identify appropriate materials and reduce costs without compromising integrity.


Ten ways to utilize FEA:

1.  Dynamic stress & vibration of structures
2.  Static stress and strain prediction for structures
3.  Dynamic stress & vibration of piping and compressor piping systems
4.  Thermally-induced stress in gas turbine exhaust ducts
5.  Heat transfer
6.  Optimize design of failing mechanical components
7.  Strain measurement of static loads
8.  Strain measurement of dynamically loaded components including piping systems, exhaust stacks, and blades of centrifugal compressors
9.  Torsional & bending strains in rotating shafts
10.  Residual stress prediction on components such as castings

When you utilize Finite Element Analysis in your design you save yourself potential headaches and find the weaknesses in a design before it goes to production.  This creates a safer product, improves productivity, and saves you money.  Seifert Technologies – Engineering Division has years of experience using the latest software to analyze any component of your design.  Let us help you be more productive today.

Contact Us Today
Published: Monday, April 4, 2016
Seifert Companies hosted a United Way Get Connected event on Thursday, March 31st for juniors from Canton McKinley High School.  The students are part of Chad Weaver’s afternoon Project Lead the Way class. They learned how Seifert Companies started with just a father and son and has now grown to approximately 75 employees with offices in Massillon, OH and Nashville, TN.

Seifert’s engineers and staff shared stories about their careers and demonstrated 3D modeling software, 3D printing, automation software and technical skills required to design and build equipment for customers.  We also spent time learning about each student’s interests and goals, providing valuable advice on how to gain the knowledge, skills and work ethic to be successful.  

For more information about Project Lead the Way, visit www.pltw.org.



Published: Monday, May 9, 2016
AISTech 2016

Come see us at AISTech 2016 in Pittsburgh, PA, May 16th, 17th & 18th. We have been providing innovative engineering, IT and technical staffing solutions to companies in the steel industry since 1985. We are staffed with experienced steel mill engineers to help with customized heavy duty equipment and plant services. 

Visit us at Booth #2822 on the exhibit floor during exhibit hours. 

On May 16-18, the global steel industry will converge at the David L. Lawrence Convention Center in Pittsburgh, PA., for four days of technical presentations, plant tours, a comprehensive industry exposition (500+ exhibitors) and keynote presentations by today's business leaders. AISTech 2016 represents a full-line focus including ironmaking, steelmaking, rolling and finishing processes and the various engineering, equipment and process technologies involved in today's steel production. AISTech promises to be one of the largest gatherings of industry personnel in the world this year. 

Click the link below to register for FREE ACCESS to the Exhibit Hall.

 Register Here

Use source code SEIFERT when signing up.

We look forward to seeing you in Pittsburgh!


Published: Monday, March 20, 2017

Shop Class

Science and Art, Two Worlds Apart

With young students teeming with energy, we need programs like shop and art. Even if these programs are still in the curriculum, they often fail to demonstrate the science behind, say, the frequency of music, the material science of art class, or the trigonometry of shop.

machinedesign.com


Published: Monday, March 20, 2017

Shop Class

The future might already be here.

AI is already here to help you solve problems that involve too much data for humans to grasp in a meaningful way. “Deep learning” AI systems will dive into the data to find patterns that we mortals cannot. The cloud is making this sort of AI accessible to organizations of all sizes.

techbit.guide


Published: Monday, March 20, 2017

TimkenSteel

TimkenSteel focused on safety

Seifert Technologies employees, along with Mazzella Lifting Technologies, worked with TimkenSteel on several designs for an Elongator Lifting Device at TimkenSteel's Gambrinus plant. The new system limited contact between workers and the equipment as the elongator was moved, improving safety and increasing production speed.

Canton Repository


Published: Monday, March 20, 2017

STEM

Seifert Technologies teaching STEM students the latest in 3D Printing technologies

Tim Seifert and Ryan Schlemmer had a great time teaching STEM students the latest in 3D Printing technologies at Holy Cross Academy at St. Barbara Campus's Open House last night. STEM is a curriculum based on the idea of educating students in four specific disciplines – Science, Technology, Engineering and Mathematics – to create our future innovators and pioneers.


Published: Thursday, September 28, 2017

Rexroth has redefined the Industrial Internet of Things!

Our engineers received a first hand look at some of the amazing new innovations from Rexroth Bosch Group when they visited our office last week.

What we saw:

  • Adaptive systems technology – Anti-slosh, sway or vibration
  • Safety technology – practical demonstrations
  • Networked modular conveyors and pick-n-place systems
  • Sytronix variable speed pump drive as part of GoPak hydraulic power unit. Compact, efficient power, and quiet!
  • IndraDrive ML high-power electronic drives
  • Data Analytic Server for condition of process monitoring
  • MTX CNC system technology in operation
  • IndraDrive Mi cabinet-free drive technology
  • Linear motion elements including integrated measuring
  • IoT Gateway – shows how any machine can be integrated into an Industry 4.0 concept

Rexroth

Rexroth

Rexroth


Published: Friday, December 11, 2015

The manufacturing industry is thinking outside the box more than ever with the introduction of Additive Manufacturing.  Additive Manufacturing or Rapid Prototyping is made possible by the development of 3D Printing.  Today, manufacturers are moving well beyond rapid prototyping (although that is still an important application) and using 3D printing for fixtures, jigs, mold and die creation, tooling, and to create finished parts. Across multiple industries, most notably in auto, aerospace and in the medical/dental markets, we are seeing a big change in how we develop, use and improve the manufacturing process.

A great example of innovation can be seen at GE Aviation.  Next year, GE will roll out its CFM LEAP engines — the first aircraft engines to include 3D printed parts. Parts plural.  There are 19 fuel nozzles that the company says could not be produced using traditional techniques. The masterminds behind the part redesign, utilized additive manufacturing to make the parts 25% lighter than their predecessors.  By using additive manufacturing they are now able to create this part a single piece (compared to the 18 parts previously required). This has completely transformed the manufacturing process, by streamlining efficiency.  A more intricate design also provides five times higher durability.  This is just one example of how engineers are quantifying results from improved technology.

Today we are seeing companies utilize the sweet spot in additive manufacturing.  That sweet spot seems to include low-volume, high-complexity structures.  As the field continues to allow creative minds in engineering to improve existing designs we will continue to see advancements in the strength, and structural integrity of the parts we create.
How far will you think outside the box?  Call Seifert Technologies today and speak with our engineering experts to review your current manufacturing process.


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