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MTBF is an abbreviation for Mean Time between Failures . MTBF is a measure of how reliable a product is. MTBF is usually given in units of hours, the higher the MTBF, the more reliable the product is.For electronic products, it is commonly assumed that during the useful operating life period the parts have constant failure rates, and part failure rates follow an exponential law of distribution. In this case, the MTBF of the product can be calculated as:
MTBF = 1/(sum of all the part failure rates)
and the probability that the product will work for some time T without failure is given by:
R(T) = exp(-T/MTBF)
Thus, for a product with an MTBF of 250,000 hours, and an operating time of interest of 5 years of 24×7 (43,800 hours):
R = exp(-43800/250000) = 0.839289
which says that there is an 83.9% probability that the product will operate for the 5 years without a failure, or that 83.9% of the units in the field will still be working at the 5 year point. Note: the Reliability calculation assumes replacement upon failure.
The MTBF figure for a product can be derived in various ways:
1) Lab test data
2) Actual field failure data
3) Prediction models (such as Telcordia SR-332 or MIL-HDBK-217).
Telcordia SR-332 was originally the Bell Laboratories Bell core standard for the reliability prediction of commercial electronic components.
The Telcordia Standard allows reliability predictions to be performed using three methods:
Method I provides predictions based on a Parts Count procedure.
Method II provides predictions based on combining laboratory test data with Parts Count data.
Method III provides predictions based on combining field tracking data with Parts Count data.
All three methods are handled by the Reliability Workbench Prediction Module
MIL-HDBK-217 is a US Department of Defense standard for the reliability prediction of electronic components.
MIL-HDBK-217 provides two reliability prediction methods:
• The Parts Count Method. This is a simpler approach for use during the early design phase and requires less information to be entered, for example quality, quantity and environment.
• The Part Stress Method. This is more complex and requires detailed information on temperature conditions and electrical stress. The part stress method is used when the actual hardware and circuits are being designed.
Enventure has years of experience in component engineering and has capability to provide MTBF analysis for products and Bill of materials. Enventure’s MTBF analysis will assist customers to develop and optimize product life cycle, maintenance and warranty strategies during the development stage. To know more about Enventure’s services in this area, email or call us today.
ROHS, the Directive to limit or rather ban the usage of dangerous substances in electrical and electronic equipments manufacturing, was put-forth by the European Union in February 2003. Five years after the launch of RoHS 1, EU has now adopted the new RoHS Directive or RoHS 2, with more rigid rules to put an end to the usage of toxic substances in electrical & electronic products manufacturing industry. However, there are a lot of companies and factories out there, who are not aware of the new RoHS 2 Directive.
According to environmental compliance experts, RoHS 2 Directive will soon create a major impact on electronic industry, and electronic products manufacturing companies. RoHS 2 Directive was initially published in the Official Journal of EU, on July 1st, 2011, and entered in to force on July 21st 2011. According to EU & environmental compliance experts out there, RoHS 2 Directive will replace RoHS 1 on January 3rd, 2013. Hence electronic products manufacturing companies should have a comprehensive idea about the new RoHS Directive rules and regulations
RoHS 2 covers a wide range of products including small & large household appliances, IT & telecommunication, consumer equipments, lighting equipments, electric and electronic tools, and medical devices. But RoHS 2 doesn’t apply to certain products like military equipments, space equipments, equipments which are designed and manufactured to form the part of equipments which are not within the scope, large scale industry tools, large scale fixed installations, various means of transport, non-road mobile machines, active implantable medical devices, and photovoltaic panels. Therefore electronic products manufacturing companies should have a very clear idea about product categories of EU RoHS.
RoHS 1 was brought into force to curb or rather completely ban the usage of 6 major hazardous materials – lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyl, and polybrominated diphenyl ethers. According to the reports of EU, these chemicals are highly toxic to humans and extremely harmful to the environment too. RoHS 2 also restricts the usage of all the above mentioned chemicals, with the help of more rigid rules and regulations. Electrical and electronic products companies in the EU are legally bound to obey the rules of EUL legislation. This also applies to the companies that export electrical and electronic products to any of the countries in the EU.
Unawareness of these rules will never be considered as a viable excuse, and therefore it is very important to learn about RoHS , to ensure that your products are fully RoHS compliant. To know about the rules and regulations of EU, companies can contact environmental compliance experts like Enventure Technology Services. We help companies comply to RoHS and its different country flavours, by providing them with a comprehensive audit report about their products, and the materials that they use in the Bills of Materials during product manufacturing. Our experts will also provide environmental compliance consulting services, bill of material assessment, product conversion, and other required solutions to help companies understand and comply with the EU directives.
Need any guidance on environmental compliance & RoHS Directive? Drop us a line and we will get back to you as soon as possible!
Outsource your mechanical designs and save a staggering amount of money! Outsourcing mechanical designing works is an amazingly cost-effective way to get high quality mechanical designs and CAD drawings with matchless perfectness, along with quality mechanical design solutions from experienced CAD professionals out there. Reputed mechanical design providers in India and other countries provide bespoke mechanical engineering designs for product development, with flawless quality, accuracy, and dependability, using high-end and user-friendly AutoCAD drawing and editing tools.
Nowadays, mechanical designing processes are often outsourced to highly reputed companies with experienced CAD professionals. Particularly, Indian CAD professionals are accepted all over the world, for being more proficient than CAD professionals in other countries. Due to this reason, many developed countries like USA and UK outsource their mechanical CAD drawings and other engineering design works to Indian professionals.
AutoCAD designing is very essential for electrical designs, mechanical designs, product designs, and various other engineering designs. By using the latest innovations in AutoCAD technology, Indian companies can provide comprehensive, accurate, and quality mechanical designs, along with various other benefits like reduced risk, flexible labour cost, added quality and innovation, and on-time delivery.
Mechanical designing is one among the processes involved in product manufacturing. Outsourcing such processes will help companies & organizations save a lot of time, so that they can focus more on the other vital aspects of product manufacturing. With the help of advanced software products, experienced CAD professionals will be able to create better and faultless designs with less time and optimum accuracy.
Risk sharing is one of the main advantages of outsourcing mechanical designs. Outsourcing your mechanical designing will help you share certain amount of responsibilities with the outsourced company. Outsourcing mechanical designs also eludes the need to hire in-house mechanical designers and CAD professionals, thereby reducing recruitment and operational costs to a great extent. These are some of the prime advantages of mechanical design services outsourcing.
Need any services in mechanical designing? Drop us a line and we will get back to you as soon as possible!
It’s been almost a century since Democratic Republic of Congo has been consistently exploited for its vast natural resources & mineral wealth. According to the reports submitted before the Congolese Parliament, a few years back, the investigation committee had uncovered some really shocking details about the ongoing illegal exploitation of Congo‘s natural resources, and the illegal trade of Congo’s Conflict Minerals.
Conflict Minerals are mined in conditions of ‘armed conflicts and human rights abuses’. Minerals including casseterite, wolframite, coltan, and gold are widely extracted from Congo, especially from its eastern parts. These minerals are purchased by various multinational electronic companies across the world, and are widely used to manufacture of a variety of electronic devices including mobile phones, laptops, MP3 players, and various other consumer electronic items.
Conflict Minerals Regulation Act aims to put an end to the constant exploitation and atrocities going on in Congo, by closely monitoring the issuers & the companies that use Conflict Minerals. According to this act, both domestic and foreign providers of Conflict Minerals, as well as the companies that use them, are forcefully obliged to comply with Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act (Conflicts Minerals Provision), and therefore should disclose the details of the Conflict Minerals that they use, in their annual reports. This public disclosure will highlight the exploitation and trade of minerals from Democratic Republic of Congo and its adjoining countries.
Dodd–Frank Wall Street Reform and Consumer Protection Act was passed by the US Senate on May 20, 2010, and was signed by American President Barack Obama on July 21, 2010.
According to experts, this Act will completely purge the funding of armed groups in Democratic Republic of Congo. Armed groups in and around Congo make millions of dollars every year by selling Conflict Minerals and their derivatives, to various companies across the world.
According to the Conflict Minerals Regulation Act, companies are legally bound to publically disclose whether their products contain conflict minerals or not, while submitting their annual reports. Companies that use Conflict Minerals should file a separate report along with their annual report, stating the steps taken to properly exercise the due diligence on the source and the chain of custody of the conflict minerals, the details of the products which are not “DRC Conflict Free”, the processing facilities, the country of origin of the Conflict Minerals, and the efforts to determine the origin. Such reports would help in getting better transparency and accountability from those companies & issuers who handle Conflict Mineral ores or their derivatives.
Enventure Technologies, global leaders in environmental compliance services, provide Conflict Minerals traceability auditing & consulting services to help companies and businesses understand and comply with the Conflict Minerals Regulation requirements that may impact the manufacture of their products. We have a team of environmental compliance experts who can address your questions regarding Conflict Minerals Disclosure, and provide you with the needed guidance with the compliance requirements of Securities and Exchange Commission.
Need any guidance on environmental compliance & Conflict Minerals Disclosure? Drop us a line and we will get back to you as soon as possible!
Electronic systems should always have the adequate protection to shield themselves from electromagnetic interferences (EMI). A proper system enclosure design can avert this difficulty. Hence material selection for electrical component manufacture and enclosure design should be done very carefully.
According to experts in design engineering, above 10,000 new materials have been developed in the last 50 years. Hence selecting the best one among them is not an easy task. Complexity of selecting suitable materials for electrical components and electrical enclosure development has made electrical control designers and panel builders look for advanced methods to analyze the materials, based on various requirements, and later pick and choose the best one among them. The expertise of the designers has a key role to play. They should have a comprehensive idea about how to select the apt material for the enclosure design of the product.
It’s always better to hire an experienced CAD engineer, to help minimize errors, and loss of time and money. By gaining a comprehensive understanding of materials used for the development of electrical enclosures, they can easily choose the material that best meets the performance goals of the product to be manufactured. However, if required, suggestions from experienced materials engineers can also be sought.
As you all know, no company would be ready to compromise their profits for an improperly made enclosure. Hence it’s always good to take the advice of experts or approach a top company and take-up their service in electrical component manufacture and enclosure designs. Such designs are not simple and require the expertise to consider and evaluate many variables, to ensure proper shielding performance.
More than 90% of design engineers around the world use 3D Max rendering to create best quality engineering designs for product manufacturing and various other engineering projects. Why is 3D Max extensively used? It’s basically due to the perfection, high resolution, and matchless quality of the designs created using 3D Max. This software has been widely used by a lot of architects and designers around the world, to get truly interactive and creative designs 3D Max has now become the part and parcel of many vital projects. Apart from architectural drawings, 3D Max modeling and rendering are widely used in electronic and mechanical engineering design services, which include product designing and PCB (Printed Circuit Board) designing. Owing to the immense clarity and comprehensibility of the images obtained, 3D Max is broadly accepted by design engineers all over the world.
When it comes to PCB designing, flawless designing is really important. Even the slightest flaw in a PCB design can affect the performance of a product to a considerable extent. Hence it is very important to take utmost care while drawing engineering designs. This is easily possible in 3D Max, as it has umpteen features to help you make your design perfect and flawless.
Engineering designers can save a lot of time and effort by creating designs in the 3D Max, as it takes only limited time, and will help meeting those tough deadlines more easily, and get a considerable amount of monetary benefits too.
Try automated systems for easier manufacture of digital products! Your entire manufacturing process will turn out much better than before in half the time! Are you wondering how? Industrial automation integration has now become the most sought-after technology, to quality and productivity in product manufacturing.
Leading industrial automation control design & integration companies have teams of expert engineers, to provide customized control systems designs, programming, and installation services for various industrial applications. This is never a mammoth task, and can be made easier with the help of highly advanced industrial automation control systems, proven state-of-the-art equipments, and flawless designs.
Automated control design is often done with the help of latest designing tools, and advanced architecture guidelines, tailored to the customers’ specifications. The whole process needs negligible manual input, as most of the processes are done with the help of digital machineries and design tools.
Automation control designing will boost up product manufacturing, thereby helping companies save a lot of time and money. Projects that use automation control design often range in scope, as it can be used effectively to design, improve, and manufacture industrial automation projects for all industries.
An experienced automation control design engineer can easily design an automation project with perfectness, tailoring it based on the customers’ specifications. Industrial automation processors, MCC layouts, and all related works can thus be done cost-effectively using robust automation control designing & developmental methods, as they guarantee years of trouble-free service.
Most of the automation design engineering companies will have experts with years of experience in robotics, custom automation systems, machinery construction and design engineering consulting to help companies in managing fully integrated, turnkey projects.
Wireless product development and manufacture using technically advanced digital applications have brought to light many worth changes in product engineering, product design & development, material testing, and other related engineering services. Wireless technology helps companies design and develop high-end and digitally advanced electronic products with matchless market quality; to help companies make flawless modern tools, unlike the ‘old fashioned’ ones. Wireless products will provide you with simple to diverse solutions and long lasting and structurally better products, for easy transmission of information, without losing data, thereby saving your time and money.
Engineering industry has been immensely benefitted by the discovery of advanced wireless products. They help companies successfully develop, test, implement some of the most useful engineering products. For example, wireless electronic products are highly used in Printed Circuit Board assembly manufacturing and other related engineering products. Engineering companies out there have many experienced engineers to help companies design and develop technologically advanced wireless products. Availability of digitally advanced product components, along with reliability, security, and guaranteed results, have persuaded many engineering design and development companies to take-up wireless products manufacturing, and thereby reducing the possible flaws which are about to arise, especially in data transfer and storage. Constant interferences of various factors including natural or electromagnetic interferences can also be reduced to a considerable extent.
Wireless products help easy transfer of unhampered data, thereby avoiding complication and misinterpretation in the information transferred. Quick data transfer is another major advantage of wireless products. This augments products’ reliability and functioning.
The list of benefits doesn’t end here! Do you want to know more about the advantages of wireless product development? Start doing an online research today!
Gone are those days when good quality and accurate PDF to CAD Conversions of engineering drawings was difficult and time consuming. Nowadays, it’s very easy to find tech experts who are highly experienced in converting and delivering most accurate PDF to CAD & as PDF to DWG converted drawings.
There can be situations where you prepare or receive engineering drawings in PDF formats. In such cases you would require a good quality and accurate PDF to CAD converter, along with the expertise of an experienced CAD engineer, to convert your PDF file to CAD drawing format. Such conversions can be done using highly advanced CAD drawing tools. Modifications required for PDF to CAD converted drawings can be easily done using any of those widely used CAD application tools.
CAD engineers convert your PDF drawings, by redrafting the drawings to CAD, with the help of advanced tools. Most of the CAD conversation tools have a lot of unique features to help users get highly accurate CAD drawings. CAD conversion tools will help you use specified layer standards and custom standards to tailor your engineering drawings, with utmost accuracy. No matter what the size of the project is, an experienced CAD engineer can easily redraft an engineering design from PDF to CAD, without compromising on the accurateness of the drawing. Done properly, you can easily retain all your CAD standards, including layers, blocks, and dimension styles, without any factual error. There won’t be any broken entities or broken graphical representation, to cripple your design.
CAD drawings have several advantages:
• unlike BMP, it can be scaled to any resolutions, without affecting the image quality.
• individual layers for dimensions, text, body, hidden lines, and centerlines.
• editable line types & text
• editable “hatch patterns”
• symbols & blocks of standard equipments
• title blocks
• adjustable dimensions (as per your specifications)
ARM Holdings is one among world’s foremost provider of 32-bit RISC embedded microprocessors. ARM offers a wide range of processors, based the most advanced design architecture that deliver robust performance and power efficiency which are very important in digital product manufacturing. Embedded ARM processors have umpteen significances, as they are specifically developed to effectively fit into low cost, robust, and highly advanced digital applications, to help them deliver high performance at lower costs. Every ARM processor is developed using the clear-cut guidelines put forth in the ARM architectures, proposed by expert ARM developers. ARM architecture has in fact undergone a lot of changes in the last 10 years, becoming an all-encompassing architecture for product designing and related engineering services.
According to ARM experts around the world, more than 2 million ARM based processers have been embedded in various machines so far. ARM developers worldwide have now formed their own community, and work together to develop high-end ARM processors, to help product design companies, software developers, system designers, and hardware engineers around the world. Those who are looking for capable ARM developers can find a lot of providers out there online. Many of them have years of experience, along with matchless reputation for providing high-quality embedded ARM processor development services at competitive prices, and help individuals and companies develop highly advanced ARM processors, by using the appropriate codes for writing and optimization of ARM software products.
High end ARM processers enable quick creation of useful engineering products, which can be integrated into various industrial products which are used by businesses around the world. Top ARM developers will have a comprehensive idea about the latest ARM architecture, and will help companies manage various tasks, including development of technologically advanced ARM processors, implementation of DSP algorithms, exception and interrupt handling, handling of cache technologies that surround the ARM cores, and handling of memory management.