Hi Technician; Mechanical Components!.

Hi Technician; Mechanical Components!.

Hi Get' Technical Download Post!

Hi Technical Learn To: How to properly pin a shaft & hub assembly.

Hi Technical Learn To: Full Lubrication. 

Hi Technical Learn To: Low Temperature Sealing In High Pressure Applications.

Hi Technical Learn To: Dynamic Mechanical Thermal Analysis.

Hi Technical Learn To: Brass VS. Stainless Steel - Insert Material. 

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DOWNLOAD HIGHLIGHT ALERT: Hi Technical Learn To: Low Temperature Testing Of Elastomer.

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Hi Engineers Complete Resource; theEngineer.

Hi Engineers Complete Resource; theEngineer.

Download The Monthly Digital Edition Publication By theEngineer.

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Hi Micro Stepper Motors: Key Features and Benefits for Diverse Applications.

Hi Micro Stepper Motors: Key Features and Benefits for Diverse Applications.

Designers turn to stepper motors when they need to move a load a precise position and hold that position without jitter. Stepper motors focus microscopes, position lasers, keep CNC machining operations steady, adjust vehicle mirrors and hold them in place, put laser jet printheads in the right spots, and pump volumetrically precise amounts of medical fluids.

In this guide, we’ll review the basics and operation of stepper motors, selecting a stepper and advantages and disadvantages of using stepper motors.  

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Hi Learn how a streamlined calibration process improves efficiency and quality of calibrations.

Hi Learn how a streamlined calibration process improves efficiency and quality of calibrations.

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• White Paper: Automated calibration lowers costs.
• White Paper: Paperless calibration improves quality and cuts costs.

Hi Intelligent Lighting Systems.

Hi Intelligent Lighting Systems.

Hi Savings Calculator

This fast and easy-to-use calculator compares 5-year projections of energy costs for your existing lighting, for plain LEDs, and for the Digital Lumens Intelligent LED Lighting System. You can also use the calculator to run "what-if" scenarios; for example, projecting the impact on lighting costs of facility expansion, or utility rate increases.

Digital Lumen's will  send you a permanent link to the results so you can refer to them whenever you need to. Simply follow this link to the calculator and answer 7 easy questions.

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LED Myths and Facts:

LED's have unique and compelling characteristics that make them ideal for industrial lighting applications. There are a variety of misconceptions about LEDs, how well they work, how long they last, and more. Download this brief whitepaper, 12 Myths Surrounding LED Industrial Lighting, to dish up the facts about LEDs and address some common misunderstandings.

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Think You’ve Achieved Maximum Lighting Performance and Efficiency with Your Fluorescent Upgrade? Think Again:

In the quest to save energy, many facility managers have replaced aging HID, HPS and T12 lighting with high-output T5 or T8 fluorescent (HIF) fixtures. These retrofits saved energy compared to legacy lighting, but the savings that were impressive at installation time are now eclipsed by the superior energy savings potential offered by intelligent LED systems. By combining a low-wattage, highly controllable illumination source with sensing, integrated controls, and wireless networking, these high-performance LED lighting systems now effectively replace HIF lamps, and still save up to 90% on lighting energy. Download this white paper to learn more.

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Choosing the Right LED Product for Industrial Lighting Applications;

If you’re considering industrial LED lighting for your facility, download this white paper for an overview of the alternatives — from plain LED  fixtures to Intelligent LED Lighting Systems. You’ll gain a better understanding of basic fixtures and how intelligent systems take full advantage of LED’s inherent capabilities to drive maximum energy efficiency.

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You Tube Video's;

Digital Lumens Hockey Durability Test:

Demonstrating the durability characteristics of intelligent LED Light Fixtures from Digital Lumen's.

Title 24 & The Intelligent Lighting System:

Application Engineer, Adam Swett, reviews the 2013 standards of Title 24, California’s Energy Code, and talks about the fully-compliant solutions embedded into the Intelligible Lighting System from Digital Lumens.

Digital Lumens ILS at Work: Light when and where needed!:

The Digital Lumens Intelligent LED Lighting System at work in a customer facility. The data-driven animation at the end shows which lights are triggered by occupancy (dark blue) and which ones are in the process of dimming and turning off.

Mutual Logistics Deploys Digital Lumens:

Mutual Logistics deploys the Digital Lumens Intelligent LED Lighting System in their state-of-the-art facility in Le Mans, France.

Why Intelligence:

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Hi HVAC Materials – An Evolution.

Hi HVAC Materials – An Evolution.

1. What has been the biggest change in materials used in HVAC products over the last 10 years?

Probably the biggest recent change is the widespread changeover to aluminum from copper in heat exchangers. This changeover has occurred for a number of reasons:

a.) There was an industry wide issue with formicary (or ant's nest) corrosion in copper tubing. The precise cause of this phenomenon is still at issue in many people's minds - some believe it was related to a copper quality issue, while there was (is) considerable evidence that the corrosion was caused by the breakdown of some lubricants and other chemicals used to process copper and copper coils into organic acids. Regardless of the cause, aluminum is not susceptible to ant's nest corrosion and some manufacturers saw a switch to aluminum as a way to avoid the problem.

b.) The development and adoption of microchannel heat exchangers as a replacement for fin and tube heat exchangers in many applications. Microchannel heat exchangers are made solely with aluminum.

c.) There has been a very significant change in the relative prices of aluminum in copper. The price of copper has increased dramatically relative to the price of aluminum in recent years, making aluminum much more affordable than it has been historically, even though it is not as 'efficient' from a heat transfer standpoint - you can afford to buy more aluminum than copper and still come out okay economically.

2. How have environmental issues affected the use/choice of materials?

The mandated changes to refrigerants over the past 20 years have lead to numerous changes in material applications, not only because of the refrigerants themselves, but also because the new refrigerants have often required the development of new lubricants as well. First of all,there were numerous chemical compatibility issues that had to be addressed between the alternative refrigerants (and lubricants) and many of the non-metallic materials used in HVAC equipment. This included seals, non-metallic bearings, motor varnishes and even sight glasses and other ceramic materials. Further, and maybe less well know throughout the industry, was that old chlorine containing refrigerants and simple mineral oils provided much better wear protection to many parts such as bearings, seals and valves than many of the new refrigerant-lubricant combinations now in use. This has lead to material and material processing changes such as heat treating and the application of coatings to resist wear.

3. What potential material shortages pose the largest risk to HVAC manufacturers in the next ten years?

You can probably get as many opinions on this question as there are materials' professionals to ask. In recent years our industry has suffered shortages of steel, steel coatings (primarily zinc for galvanized steel), copper, plastic, you name it. In our dynamically changing world economy I see those types of intermittent shortages increasing in frequency. Despite the fact that our industry is a huge user of steel our usage will always pale in comparison to the automotive industry and the earth moving industry. Similarly, while we are a big user of copper, we use a pittance compared to the electrical wire and water tube industries. We'll never use as much aluminum as aerospace or the food packaging industries. Subsequently, as demands in those other industries increases, we are often left with shortages of those key materials. When you add the relative changes in material prices as I highlighted above with copper and aluminum as an example, I feel the key for people in our industry is to develop and maintain very flexible materials usage policies so as the materials markets change we can change our products.

Hi Further Reading; Hi E Book; Hi "High Performance and Optimum Design of Structures and Materials".

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Hi Learn about The Economics of Transportation Management Systems.

Hi Learn about The Economics of Transportation Management Systems.

Transportation costs are one of the biggest expenses for companies, and these costs continue to increase. 

Learn about the current conditions of the industry, what factors are contributing to these increases, and the benefits to why a TMS is so important. 

This complimentary whitepaper will answer any questions from the options available to the return on investment.

Hi 7 Ways to Strengthen Assurance of Supply with Technology.

Hi 7 Ways to Strengthen Assurance of  Supply with Technology.

One of the greatest supply chain challenges that companies face is to reliably and profitable meet global demand. 

Outsourced manufacturing, lengthy global supply chains, a large number of suppliers, and volatile demand all create an environment where supply chain decision-makers worry that they can't deliver on promises they've made. 

But companies with a strong assurance of supply program have confidence in their ability to fulfill demand. 

They're able to make dynamic, data-driven changes in the execution stage to counter disruption and volatility. These decisions are made possible by cloud-based supply chain technology.

 

Learn more -- download this complimentary white paper today.

Hi Design FAQ, Selecting Small Precise Pumps.

In the industrial world, engineers don’t need to know much more than a pressure and flow rate to properly size a pump, but specifications for miniature positive-displacement pumps destined for medical diagnos­tic and therapy devices and analytical chemical equipment – applications with small, precise flow rates and pressures – can be more demanding.

In many cases, such applications use pumps to aspirate, i.e., suck or pull in fluids from a reservoir, and then dispense them, i.e.; push out or release fluids. In some cases a single pump handles both tasks.

What types of pumps are available for these applications? What is a pump’s resolution? How are a pump’s accuracy and repeatability expressed? Do pumps vary in how fast they can dispense fluids?

Download the FAQs of Selecting Small, Precise Pumps sponsored by The Lee Co. to get the answers to these questions and more.

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