Bellows product is an important part in the area of plant engineering, shipbuilding, and petrochemistry. For safety and durability, it is necessary to consider many factors when designing it. This research developed a U-shaped metal bellows design software based on the EJMA 9th Edition manual. We developed this GUI software using MATLAB software to be able to design four types of bellows: Unreinforced Single Bellows, Unreinforced Double Bellows, Reinforced Single Bellows, and Reinforced Double Bellows. We designed the already proven bellows model to verify this software. We investigated the behavior while changing the thickness of the bellows. As the thickness of the bellows increases, the spring rate, thrust force, and stress increase, and fatigue life decreases. This software will help design engineers save time and effort. Keywords: Bellows, EJMA, Fatigue Life, MATLAB GUI, Stress
Since 2002, Vinkarr has been helping companies across various industries optimize their business processes through custom software solutions working with global Enterprises, SMEs and forward-thinking Start-Ups as their end-to-end solution partners for Custom-Tailored Software, web and mobile apps.
Engineering and designing are done per EJMA equations as well as per the latest revisions of the ASME B31.3, ASME B31.1, and ASME Section 8, Division 1. U.S. Bellows designs are performed using in-house developed design software and calculations further checked using hand calculations. U.S. Bellows also has full in-house finite element analysis capabilities and we often use this methodology to prove designs.
After the calculations SPULLOWS also generates a manufacturing drawing in ACAD or any other 2D drafting software of the bellows with assembly and child part drawing along with BOM (Bill of Materials), Standards / Schedules used, a 3D model, and costing sheet. All these outputs are generated automatically by a click of a button.
The material options in the software consist of all the standard materials used in manufacture of bellows, like SS, MS, Inconel to just name a few of them. However, the user has an option to add a new material into the database by going to the Admin screen and adding new material. Once a material is added here it becomes a part of the material database and will be reflected in the material drop down menu as well.
On these inputs SPULLOWS calculates the number of convolutions required to satisfy the design as per EJMA standards.The user can select the number of convolutions that he feels is ideal.
Please complete the form below to get access to the download of the following software:FlexpertePDMS Interface (pipe supports)PDS Interface (pipe supports)CAESAR II ® - Product data (expansion joints)HYDRA GS - calculation programme
Bellows Manufacturing and Research, Inc. specializes in developing customized systems for metal Bellows and expansion joint applications. Amply equipped with the most current design software, as well as programs developed by our specialists, which allows creation and thorough analysis of any project, this includes some unique and individualized requirements.
For BMR engineers, the Bellows design process comes naturally, from concept through production. We have developed a unique life cycle prediction tool, empowering engineers to apply mechanical strength analysis formulas accurately, to predict the useful life of the Bellows products produced by Bellows Manufacturing and Research, Inc. With these implemented calculations, BMR considers various factors such as materials and operating conditions that may affect the life cycle of the product.
To ensure complete accuracy and compliance, BMR uses a variety of high-tech modeling processes to develop images of the final assembly used during the design process. Assuring the final product will fit properly into the intended components before manufacturing is complete.
BMR specializes in customized designs for easy handling of specific applications, and development of even the most complex and unique fabrications that an industry may require, and no project is too small or too large.
BMR uses a team effort when reverse engineering a part, including metallurgical resources, during the design and manufacturing of all Bellows and expansion joint products. The latest techniques are utilized effectively to provide high-quality products to customers in a cost-effective and timely manner.
We develop and apply calculation programs in accordance with international norms and standards for the design of expansion joints: EJMA, ASME and EN, and being an active member of EJMA and its technical committee, we work to establish and maintain applicable design and manufacturing quality standards.
A 3D CAD allows us to build 3D models of parts and assemblies. Our CAD tools also have direct integration into an FEA (Finite Element Analysis) package so we can combine seamlessly design and analysis.
Triad Bellows strives for excellence when it comes to creating both standard and custom metal bellows capsules. With our state of the art tools, we are able to create a product that will exceed expectations and last for years. We create custom metal bellows capsules to make sure each specific case is addressed properly.
All of our products meet the EJMA guidelines and are specifically engineered for low pressure and high-pressure installations. Please give us a call to see how we can create the best stainless steel bellows capsule for you today.
Triad Bellows Series-1 metal bellows are manufactured with heavier gauge T-321 s/s to achieve higher pressure ratings. The allowable movements shown are based on a minimum of 3000 non-concurrent cycles. For lower pressure applications a Series-2 expansion joint will provide increased movement capability. When a standard metal bellows is not the right fit we will design and build a custom metal bellows perfectly designed for your application at a standard price.
Triad Bellows Series-2 expansion joints are manufactured with lighter gauge T-321 s/s material to achieve greater movement capability while still maintaining a minimum of 3000 life cycles. When an even higher cycle life is required let us know and we will go to work designing the perfect metal bellows for your application. Our EJMA 10 design software allows us to combine just the right thickness and number of bellows plies needed to balance performance and cost savings.
Founded in 1991, FlexCom designs and builds custom industrial fabric and metal expansion joints, delivered on time, every time. Our rugged fabric expansion joints and metal bellows are precision engineered to your specifications to withstand heat, pressure, movement, vibration and abrasions in challenging industrial environments. All FlexCom industrial expansion joints come with a warranty.
FlexCom metal bellows are custom built and made from high quality alloys to resist corrosion. They are designed to accommodate high pressure up to 300 psi, very high temperatures and/or liquid transfers.
Using Computer Aided Design (CAD) software, FlexCom engineers design each expansion joint to your specifications, using the optimum configuration and materials while keeping within your budget and delivery constraints. Our state-of-the art facility includes Computer Numerical Control (CNC) fabric cutting tables and high definition plasma arc cutters to ensure specifications are followed exactly. All welders are ASTM certified and each job is monitored for quality throughout the process with real-time tracking.
In cases where the bellows integrity under pressure is not validated by the results of the design calculations using EJMA standards and the geometric complexity indicates the need for further optimization of the project, Giorgi Engineering can verify the integrity of the product with finite element analysis (FEA), using ANSYS® software.
The technical approval and the results of the analysis obtained in accordance with the terms of the specified design standard are provided as a technical documentation package, complete with valuation reports.
The company has introduced a dedicated software to manage traceability of all the materials used in any specific order, integrating this with our design software and guaranteeing the integrity of all the materials used. The software also produces reports of the internal tests and quality inspections results.
The reports can be sent separately or supplied with the bellows, allowing the client to reduce facility downtime to the minimum before the installation.This rapidity in supplying the documentation ensures that at the time of the offer the client already has all the technical details necessary to make an informed evaluation of the proposed standard and personalized solutions, such as the project specifics, Industry 4.0, and the project code.
If components are gripped via a bore, the IBG inner bellows gripper can be used. Different sizes are available. The operating principle is pushing / pulling. The inner bellows grippers can be very easily integrated into the gripping system via the extension thread.More Info www.ags-shop.de
There are two type of vacuum bellows of Htc's products. "Flexible Hoses" have concertina walls made by pressurizing a thin-wall tube. They can be bent, but not be compressed. The other type is "Flexible Bellows Connections." This type can be bent and compressed.
When possible, design the system so that the bellows make only a single bend or curve. Multiple bends concentrate stress at minimum radius points, reducing life expectancy during flexing or vibration. An elbow on one or both ends will usually eliminate multiple bends. It is difficult to make a short bellows fit between parallel flange faces that are not coaxial.
6.6 | HYDRA diaphragm bellows with normal profile Preferred dimensions Flexibility for small installation spaces HYDRA diaphragm bellows with normal profiles have a very high range of movement. They are particularly suited for applications in which large movements must be implemented in very little installation space. Standard material is 1.4571. Bellows which are subject to high loads can also be made of the hardening material AM 350. Axial loads require a movement distribu- tion of 80% compression and 20% stretching. MO: Bellows without connecting parts MM: Bellows with connecting parts Bellows description (example): MO: Diaphragm bellows without connecting parts 1 Number of single layers nL = 1 0.1 Individual layers thickness s = 0.1 mm 781b155fdc