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Tuesday, January 17, 2017
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Convolution of the BOM: How Much Could a Resistor Cost?
By Stanley L. Bentley, P.E., Senior Technical Advisor, DIVSYS International
Let's evaluate the convolution of the bill of materials (BOM) with all of today's fragmented processes, each with its own jealously protected software. A design engineer (DE) receives a project request to design a circuit. DE opens the schematic capture program and designs the circuit. As part of ...
Why Choosing the Right PCB Vendor is Crucial
By Eric Overtone, CEO, Focus Embedded
All of us have email inboxes full of spam messages that read something like, "Greetings of the day! So glad to know you are desiring to buy PCB's! We always be with you!" While it's never hard to find a deep discount board shop somewhere, it's far better to find the competent shop to get a prototype ...
Common Causes of Adhesive Problems
By Barry Siroka, Business Development Manager, EpoxySet
High-tech adhesives are generally very reliable. When used correctly, they can resolve many design issues, saving money, time and effort. However, when issues do occur there are a variety of potential reasons for their failure. Common failures include no adhesion upon cure, reduced adhesive strength ...
Extended-Length LED Light Engines Speed Production and Cut Costs
By Ed Sullivan
Light engines up to 48 in. (122.91 cm) long and 15 in. (38.1 cm) wide are lighting up the bottom line of LED light fixture manufacturers that create products such as replacements for fluorescent lighting.
Risky PCBs: Factory Floor Tests: Part 3
By Stanley Bentley P.E., Senior Technical Advisor, DIVSYS International
This series is about floor level checks that can be performed by a process engineer when they do not have access to lab instruments or the time to send out samples to a qualified lab. In this installment, we will address solder mask liftage, de-lamination and contamination.
Inexpensive CAD Software, Expensive Design?
By W. Scott Fillebrown, CTO, Libra Industries
The last 30 years have borne witness incredible changes in the PCB, the backbone of any electronic product design. Package sizes that we thought were small and powerful are now are considered to be big and clunky. We have gone from big through-hole devices to chip scale leadless devices, even at times ...
Why Pay Twice? Getting the Most from Solder by Recycling
Dan Feinberg, Vice President, P. Kay Metal, Inc.
If you are part of an EMS company that uses wave soldering, you have already realized that only a small amount of the solder you purchase goes into your assembled device. The vast majority of the solder you purchase becomes solder dross. Most likely you sell it back to either your solder supplier ...
Am I at Risk to Use This PCB?
By Stanley L. Bentley, Senior Technical Advisor, Divsys International
To properly test for issues with the through-hole process, it is important to understand how soldering occurs. The simplistic assumption is that machines, such as reflow ovens, wave soldering systems, selective soldering systems (or even people) create a solder joint. They do not. In all cases, these ...
Embedded Boards Offer New Solutions
By Mario Klug, Senior Marketing Manager Embedded Boards & Systems, Rutronik Elektronische Bauelemente GmbH
Embedded boards ideally would lower costs while providing more functionality. Motherboards for the consumer market seem to fill this gap, unlike embedded boards, but they lack the longer lifecycles, the support and other features that industrial applications cannot do without. By providing semi-industrial ...
Selecting the Right High Tech Adhesive
Barry Siroka, Business Development Manager, EpoxySet
Choosing the best adhesive can be a complex process. Carefully selecting the correct adhesive for a job will reduce the number of products that need to be evaluated and increase the likeliness of its success. There are many variables to consider and numerous types of chemistries with different capabilities ...
Improve Crimp Quality to Increase Productivity
By Pete Doyon, Vice-President, Product Management, Schleuniger, Inc.
High-quality crimp terminations will usually exceed the service life of a product in which they are installed. On the other hand, a marginal-quality crimp termination can cause electrical failures early in a product's life. Since a high percentage of product failures can be traced to poor electrical ...
Making Best Practices "All for One and One for All"
By Arnold Fletcher
Your best and most experienced people on the manufacturing floor make an art of their work, but are sometimes reluctant to change. Your least experienced and/or most timid people avoid asking anything twice, so they wade through documention and search for answers.
Am I at Risk to Use This PCB?
By Stanley L Bentley, P.E., Senior Technical Advisor, DIVSYS International, LLC
There is only one way to answer this question, and that is with an examination by a qualified laboratory. However, production pressures, laboratory lead times and cost usually require some "less than definitive" answer. Even with access to a laboratory and control of the lead time, I sometimes find ...
Five Things to Know About Automatic Crimping Machines
By Zachary Kozak, Marketing & Communications Analyst, Komax Wire
Wire crimping is an important part of production lines that depends on the performance and reliability of a wire crimping machine. Such machines are available in a variety of configurations, as both manual and automatic systems. For larger production requirements, however, automatic wire crimping ...
Solutions for High-Mix Electronics Production
By Susanne Oswald, ASM SIPLACE
Hardware, software and process expertise for high-mix electronics production are special focus areas of ASM Assembly Systems. An SMT line solution that has been optimized especially for high-mix applications will use a DEK Horizon 03iX printer and two SIPLACE SX2 placement machines ...
Saline Lectronics' Lean Program
By Mario Sciberras, President, Saline Lectronics
Earlier this year (February), early-stage plans were released to implement a new lean manufacturing program factory-wide at Saline Lectronics (www.lectronics.net). Upon attending the IPC APEX EXPO (www.ipc.org) in San Diego, CA, feedback from industry colleagues indicated surprise at an electronics ...
A New Paradigm in Crimping Press Design
By Rob Boyd, Senior Product Manager, Schleuniger, Inc.
It goes without saying that manufacturing companies want the highest possible quality at the lowest possible cost. These days, everyone is trying to do more with less in order to stay relevant in a highly competitive environment.
How High Is My Component? Tolerancing in Electronics
By Jason Tynes, Manufacturing Engineer, STI Electronics, Inc., Madison, AL, e-mail: firstname.lastname@example.org.
Tolerance in manufacturing refers to the amount of variation from product to product. It is often the observable difference between idealized computer models and tangible hardware. In surface-mount technology (SMT), such variations impact all aspects of the fabrication process, from component placement ...
What Every Contract Manufacturer Needs to Know About Product Development
By Steve Owens, owner of Finish Line Product Development Services
In the landmark HBR article, "The Four Things a Service Business Must Get Right," by Frances X. Frei, the author differentiates a product business from a service business. The author states that in a service business, unlike products businesses, the customer is a key part of the product realization ...
Containers Cut Weight But Not Durability
By Jim McMahon, SSI Schaefer, Charlotte, NC
Containers for storage or transport are often overlooked in the electronics industry, even though they can be critical to the function of any manufacturing facility or warehouse. Properly designed containers can provide protection and durability while at the same time trimming weight for increased ...
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