May 24, 2016 - Machine vision systems create images by analyzing the reflected light from an object, not by analyzing the object itself. Selecting the correct lighting technique can go along way in dealing with the special issues of a particular application. Many options are available, each with pros and cons. Here are five basic techniques for lighting parts to be inspected.
Jan. 15, 2016 - What is an LVIT and where is it used? LVITs — Linear Variable Inductive Transducers — which have been around for more than 30 years, are relatively low cost, contactless position sensing devices that utilize eddy currents developed by an inductor in the surface of a conductive movable element that is mechanically coupled to the moving object whose position is being measured. The common form of an LVIT uses a small diameter inductive probe surrounded by a conductive tube called a spoiler. Typical LVITs have full ranges from fractions of an inch to 30 or more inches. Modern electronics utilizing microprocessors make possible outstanding performance, achieving linearity errors of less than ±0.15 per cent of FSO and temperature coefficients of 50 ppm/oF, along with either analogue or digital outputs.
Jan. 12, 2016 - According to the U.S. Bureau of Labor Statistics, manufacturing sector labour productivity increased 2.3 per cent in the second quarter of 2015, as output increased 1.3 per cent. Meanwhile, productivity increased 2.8 per cent in the durable manufacturing sector and 1.2 per cent in the nondurable goods sector.
Dec. 2, 2015 - The automation industry runs smoothly, effectively and efficiently when the right motion control products are employed on operating equipment. There are four important considerations to take into account when evaluating customized motion control solutions. Plant operators and management should consider the four points below when evaluating motion control products for a facility.
Oct. 23, 2015 - Industrial automation applications are growing in sophistication and complexity. For Canadian manufacturers, this means they need to spend more time and money on application development. For end users, applications are often difficult to port to multiple platforms and machine operators suffer because the new applications are not easy to learn.
Aug. 14, 2015 - As a human-machine interface in its simplest form, push buttons and signalling devices have proved their worth. Since these vital components are installed in huge numbers, even minor improvements to their design pay dividends in terms of the engineering process and practical application.
A white paper from InduSoft, an Invensys company, describes in depth the benefits multi-touch HMI offers the automation world.
AutomationDirect has released a new white paper that explains how businesses benefit from the in-depth information that new PLCs and PACs can provide on processes, machines and manufacturing operations.
During the past 50 years, there has been a powerful and dramatic development of controllers: Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), Industrial PCs (IPC) and Programmable Automation Controllers (PAC). The explosion of industrial applications continues to challenge the functionality of those controllers, fostering further innovation. The need to combine the capabilities of traditional process/discrete industrial control has led to adaptations or extensions of existing technology. The efforts to evolve resulted in under-performing machine automation due to limitations in architecture and a lack of cross-discipline expertise.
A new white paper from W. L. Gore & Associates, Inc. presents a systematic approach that design engineers can follow to ensure that a cable system will provide reliable performance in demanding environments and mission-critical applications. According to author Paul Warren, W. L. Gore & Associates' lead design engineer, cable reliability is based on both durability and signal integrity, and a cable system needs to withstand any environment in which it will be used, regardless of how challenging it may be. Some industries have defined safety, environmental and performance-related standards, but many applications in harsh environments require cable systems that go beyond those standards, such as aerospace, cleanroom and geophysical environments. In Selecting the Right Cable System for Your Environment, Warren discusses the electrical, mechanical, environmental and application-specific constraints that will affect cable performance. He describes the advantages and disadvantages of typical materials used in cable construction, including an explanation of the testing and data analysis a manufacturer should perform in order to verify that its cable will perform in a specific application. He also discusses cost considerations and the ramifications of cable failure. Warren summarized the purpose of this paper: "The environments in which cable systems are being used are getting more complex, and we have found that some customers are uncertain about what materials and constructions work best in their applications. One of the added complexities in designing a cable system is that electrical, mechanical and environmental performance are interwoven. For example, selecting a material that improves mechanical performance may have an adverse affect on the electrical characteristics of the cable assembly." To read or download a copy of Selecting the Right Cable System for Your Environment, visit gore.com/cableselection.
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