IQS NEWSROOM

A source for industrial products & services news and events.
Latest Insights in the Evolving Digital World

Graphite is More Than Just Pencil Lead

When asked about the mineral graphite, one image likely comes to mind: a pencil. This soft, dark grey, greasy material, also called black lead and plumbago, has been used to jot down notes and draw pictures for hundreds of years. Its name is even derived from the Latin term for ‘to draw/write.’ Graphite is only found in a handful of places around the world, including Africa, the British Isles and a couple of U.S. states-including my home state of Michigan. There are 3 main types of natural graphite that are all found in different types of ore deposit. Crystalline graphite is flat with hexagonal edges, amorphous graphite is very thin and flakey, and lump graphite is found in veins of fractures underground. The first pencil was composed of sticks of graphite tied together with string. As you can imagine, this early writing utensil wasn’t exactly user friendly, but it could easily be erased with rubber. It wasn’t until much later that the modern pencil-the wooden kind with a pink eraser top that we use today-became popular.

Friction Materials: Essential for Motion Control & Braking

Let’s imagine for a moment a world without friction, which is, simply put, the force resistant to movement when any two objects rub against each other. Wait a second… that’s just too chaotic! If you think the world is a disaster now, just take away friction and… boom! Everything crashes into everything because there’s no force to stop it. So, here’s what I’ll do: I’ll just take away the friction between your posterior and what it’s sitting on… I need a good laugh today. You can’t stay put can you? Keep slipping and sliding, huh?

The Simple Design of Hydraulic Cylinders

Do you ever wonder how those heavy duty, high powered equipment vehicles work? I’m talking about tractors, bulldozers, cranes and trucks that lift, push, haul, dump, dig, crush and drill in countless large-scale applications. They harness enormous power to handle extremely heavy loads. You might be surprised, but the main part behind the power-hydraulic cylinders-are probably more simple than they seem, and they don’t require a lot of energy. They use the basic principle of fluid under pressure, and are featured in any system that needs multiple moving parts at once. These cylinders have been around for a while, since the 1970s, and haven’t changed much in design or function. Sure, their manufacturing processes are faster and the tolerances are tighter, but their classic construction still operates just as well with newer machinery as they do with old.

The Challenger Disaster of ’86 Prompted Current O-Ring Design and Safety

Many people remember 1986 by the neon colored leggings, popping Glass Tiger cassettes into new Walkmans and going to see Top Gun numerous times. But what sticks out in everyone’s mind about this year was the random disasters. 4 months in, the Chernobyl plant in the Ukraine exploded, creating the worst nuclear disaster of all time, and the US Challenger exploded a minute after take off. I was too young to remember any of this, being -8 months at the time, but the lasting effects of these accidents are still felt, even by those who weren’t around. While the Soviet Union was dealing with a catastrophic explosion and deadly radiation penetrating their cities, the United States was mourning the passing of seven fallen astronauts.

You Can Stop Pressure Vessel Failure!

A couple years ago, a high-pressure vessel containing water and air was operating on a much higher psi than its design allowed. After years of too much pressure, a small leak developed. It was caught and welded shut. But a month later, the welding job, which did not adhere with safety codes, failed, causing the vessel to rupture and explode. Pieces of shrapnel metal weighing over a thousand pounds traveled at extremely high speeds up to a half-mile before landing on nearby highways and railways. A large portion of the plant was destroyed, half the state was without phone or electricity, and 3 plant workers were killed. If the contents had been flammable, there would have been an explosion too, making the accident much more devastating. Pretty intense, huh? Unfortunately, pressure vessel incidents like this happen much more than they should.

Which Type of Industrial Dryer Best Fits your Needs?

When it comes to drying large amounts of raw material, there are a number of options for manufacturers to choose from, depending on their budget, space and properties of the material being dried. Industrial dryers are often used to remove moisture from materials such as powders, foods and chemicals for the pharmaceutical, paper, pollution control, food and agricultural industries. If your company is in the market for a new industrial dryer, there are 5 main types for different applications, each with its own advantages and disadvantages. Dryers that pass material through a large, revolving metal drum and heated by gas, liquid or solid fuel are commonly used in the chemical, food and mineral industries. Rotary dryers have low maintenance costs and allow vast amounts of material with differing particle sizes to dry at one time. However, because these dryers are powered by gas, moisture control is difficult and they often create fire hazards as a result of drying flammable materials. Because the drum is often quite large, these dryers often require a lot of space.

A Primer on Dense Phase Pneumatic Conveying Systems

Dynamic Air Inc., a major leader in the dense phase pneumatic conveying industry, is a specialist in the pneumatic conveying of dry, bulk solids. Applications range from food to poison, from light fumed silica to heavy powdered metals. However, all of these applications have one thing in common, the necessity to control the conveying velocity in order to control particle degradation, conveying pipe wear, minimize air consumption, or eliminate pipe line plugging. What is Pneumatic Conveying? Pneumatic conveying is nothing more than creating a pressure differential along a pipeline and moving a bulk material along with the air as the air moves towards the area of lower pressure. This can be done with a vacuum inducer, or with compressed air being injected into one end of or along the pipeline. Dilute Phase vs. Dense Phase Pneumatic Conveying The two most distinct categories of pneumatic conveying can be described as either low pressure (dilute phase) or high pressure (dense phase) systems.

New Starch-Based Polymers Make Blow Molded Bio-Plastic Possible

This last April, British environmentalist and adventurer David de Rothschild set sail in a catamaran he had constructed entirely from recycled PET bottles. As a statement to the growing global problem of ocean pollution and the need for higher recycling standards, de Rothschild planned to sail to what Planet Green Bottle calls ‘Plastic Soup’, a floating mass of plastic waste nearly the size of Texas suspended in the middle of the Pacific Ocean. This British adventure-seeker may have found the most creative way yet to call attention to this pending environmental risk, but plastic engineers and manufacturers have been working towards a solution in more conventional ways for many years. Polyethylene terephthalate, or ‘PET’, is a petroleum-based resin and may be broken down and recycled almost indefinitely. The addition of dies, fiberglass and other composite materials reduce PET’s recyclability, but the majority of PET materials, such as the beverage bottles out of which Mr. de Rothschild constructed his boat, are recycled at a cost relative or lower than that of purchasing virgin materials. Still, many water bottles, soda bottles and other beverage containers never make it to the recycling bin, ending up in landfills, or worse: the Pacific’s Plastic Soup.

Expanded Metals vs. Perforated Metals – Costs, Benefits and Analysis

Architects and building contractors are often faced with many challenging decisions when choosing the right materials for a job. Different types of metals, materials and fabrication methods affect the performance of a structure or facility hugely, and structural sheet metal is no exception. While perforated metals and expanded metals are similar and have some overlapping applications, engineers understand that their capabilities are very different. Not only are perforated and expanded metals separated by their application industries, but by their fabrication methods and cost as well. Perforated metal seems to be the industry standard for architectural applications such as building facades, fences and partitions. Because perforated metals are punched and cut, dies can be designed to cut patterned shapes into sheet metal for a variety of purposes, both decorative and functional. The shape of metal perforations can determine a material’s usefulness for blocking microwaves, sound waves or light; perforated metals are used in all these industries. Next time you warm up some leftovers, take a look at your microwave door. See that filter in the glass? That’s a piece of perforated metal blocking microwaves from coming through the door.

Advantages of AC-DC ‘Brick’ Power Modules

Compact DC-DC converters have made their way into millions of electronic products and systems. The vast majority of these depend upon an AC-DC power supply (metal box or chassis-mount) to convert the AC into a DC voltage from which the converters can operate. In addition, regulations have mandated that these power supplies include Power Factor & Harmonic Correction (PFHC) to maximize the available power from the power grid. Add to this the need to be as small as possible and to operate with in harsh ambient temperatures and the designer is faced with a problem that is not easily solved.

Featured Industries
keyboard_arrow_up