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How to Deal with Metal Fatigue?

pic source: http://www.mcmstamping.com.tw/metal-components.jpg

 

Before answer this question, how many of you understand the word ‘Metal Fatigue’? Generally speaking, metal fatigue can be described as the progressive structural damage that occurs when it is subjected to repeated stress loading. Each metal component has a maximum amount of weight that it can handle being loaded on top of it and then unloaded in cyclical waves. However, even when you keep the weight below the maximum allowable amount for safety, metal fatigue can still occur.

 

Here are some recommendations for handling with the problem. Firstly, avoid adding additional weight to the metal when possible, such as the unloading equipment or personnel. Changing weight patterns cause the material to expand and contract in reaction, in effect bending the metal and creating fatigue.

 

The second key point is to match the temperature of the metal component to the temperature of the room. For example, if you move the component from a cold room to a hot room and immediately start putting weight on it, it will not have had enough time to adjust, therefore increasing fatigue. Once the component is back to room temperature, you can begin loading.

 

Thirdly, Take care of the metal components. Do not expose them to excessive amounts of moisture, for example. This can cause corrosion. When you take good care of the metal, it's much more likely to last longer and reduces the chances for metal fatigue. If corrosion does occur, have the component fixed before adding any weight, since more fatigue will make it even harder to repair.

 

Read more: How to Reduce Metal Fatigue | eHow.com http://www.ehow.com/how_10070090_reduce-metal-fatigue.html#ixzz2SbB39ThX

 

How to Deal with Oil Seal Leaks?

It seems you always need to send your car to repair shop whenever little problem occurs such as batteries and brakes or big things like engines and transmissions. One thing that could become a problem is an oil leak, which usually related to oil seal. Thus, the first shall determine the parts of the leak, if not oil seal leaks, sometimes the problem of valve cover gasket leaks or drain plug leak could leads to mistaken for oil seal leakage.

 

Cars can have trouble anytime at any place; it is particular annoying as it happens in inconvenient place. To fix the problem by your own is the only way to go. Here’s a video posted by Scotty Kilmer. He is an experienced mechanic, engaging in the mechanical repairing for around 45 years. He has been posting many videos about car repairing, helping people to learn how to fix their car. Besides, you also can search your problem by the searching engine like an overheating car, and those videos will pop up. So far, there’s over 25 million people have watched this program.

 

In this video, Scotty Kilmer teaches you how to fix leaking oil seals by using a little bottle of sealer. In fact, the seal is pretty cheap, but you have to pull the transmission off to replace it, which can take a serious amount of time. The sealer is a better solution, polymer oil that can mix with all kinds of oils. If you mix AT-205 Re-Seal from ATP with your fluids, it can help rejuvenate seals.

 

Learn more with watching the vedio.

 

Polish Your Life With LED

LEDs are used as indicator in many usages and are frequently used for lighting. Emerging as practical electronic components in 1962, early LEDs emitted low-intensity red light, but modern versions are available across the visible, ultraviolet, and infrared wavelengths, with very high brightness.

In electronics, the basic LED circuit is an electric power circuit used to power a LED. With the adjustable output current, the LED driver circuit ensures users to make detailed modification. Easy-to-drive high power LEDs in series are connected to the device.

The simplest circuit consists of a voltage source powering two components connected in series: A current limiting resistor and LED. Optionally, a switch may be introduced to open and close the LED driver circuit. The switch may be replaced with another component or circuit to form a continuity tester. Albeit simple, this circuit is not necessarily the most energy efficient circuit to drive an LED, since energy is lost in the resistor

Light-emitting diodes are used in applications as diverse as aviation lighting, automotive lighting, advertising, general lighting, and traffic signals. LEDs have allowed new text, video displays, and sensors to be developed, while their high switching rates are also useful in advanced communications technology. Infrared LEDs are also used in the remote control units of many commercial products including televisions, DVD players and other domestic appliances. LEDs are also used in seven-segment display.

Know More About CNC Milling

CNC milling is primarily used for cutting and drilling operation. CNC mills can perform the functions of drilling and often turning. CNC Mills are classified according to the number of axes that they possess. Some of the most basic CNC mills resemble a drill press on steroids. A growing number of them is designed specifically for home and office uses, and have more sophisticated looks - but still, in comparison with technologies such as 3D printing, which produces 3D shapes by additive deposition, CNC machining seems pretty savage.

 A variety of CNC milling machines are now readily available in the market. And all the models can easily perform various cutting and drilling operations. The latest kinds of CNC machines are commonly known as multi axis machines as they either have 3, 4, or 5 axes. In the most basic design, the cutting head can move in three directions - X, Y, and Z - and the tool itself always points down, aligned with the Z axis. In this setup, the machine can only machine shapes that can be represented using a two-dimensional "depth map" projected onto the workpiece: the cutter may descend lower for some X-Y coordinates, and move up for others, but it will not enter the workpiece from any other side.

Moreover, the material can be turned to various orientations in the middle of the process and cutting tools of various shapes can be used. Material is usually removed by both the end and the side of the cutting tool.

Combination of Fiber and Optics - The Journey of Light

The fiber optics basically mean a combination of fiber, a bundle of thin glass or plastic strands and optics, as known as light.  In words, it means that light travel in the thin fiber glass in a speedy way.  Normally, the character of the fiber optic is to transmit  signals at very high speeds even in a long distance without the lost of data or the quality.  

Mostly, the fiber optic is used to transmit Internet data, images for TV or medical camera.  But the most common application is telecommunication, which can convert audio signals into digital information through the fibers.  Once a device receives the signal, it converts it back into audio information that the listener on the other end hears. In order to maintain its function, the technitian will use optical power meter to detect the light source and then make sure the journey of the data in the light is safe or not.  

Say Hello to the World - The Artwork of Illuminated Rocker Switch

You will never know that rocker switches can be an artwork display.  

The artwork is designed by Valentin Ruhry, a Austria artist who is well known for his sculptures and installations that built out of industrial materials.  This work is made out of 4,750 illuminated rocker switches as a message board.  I don't know if the message board is interactive or not, but it is still fun to "write" something though the light-up switches anyway.  I bet some kids who love to play with the rocker switch will be amazed by the massive board made from rocker switch.  But I'm more curious about one thing: how much does it cost when you buy these much switches at one time? 

Using HVLP Spray Guns To Refresh Your Car

Conventional air spray has decreased in popularity due to the high material costs of modern day paints and government EPA limits and regulations in many markets including the auto and wood finishing markets. Conventional air spray guns suffer from poor transfer efficiency. With conventional equipment only 1/3 of the material gets applied to the surface. The rest is lost in the air unless you have an expensive recapturing process or facility.

The most efficient way to paint your car is using an HVLP spray gun. Modern high volume, low pressure spray guns are highly effective at atomizing 'larger volumes of paint and this helps professional sprayers to achieve better topcoats. HVLP paint spray gun is a kind of tools that applies the high flow and low pressure power to make the sprayer works. HVLP paint spray guns are designed to improve transfer efficiency. HVLP guns push paint particles at about half the velocity of conventional spray guns. While this means you have to spray closer to the surface, you gain by having your material actually get applied to the object instead of floating into the air. If you set up the spray gun correctly you will significantly cut down on the spray "fog" or overspray, and since you are painting in your garage, that might be a great advantage.

With the efficient HVLP paint sprayer, you can paint your own car and save a ton of money. Enjoy It!

How to Troubleshoot Low Water Pressure In Your Home

If you're experiencing a decrease in water pressure at your property, the issue is typically within your plumbing system. According to experts, low pressure increases the risk of harmful contaminants entering the water. Low water pressure will need the experience of a professional, but even in those cases, identifying the problem will help greatly in getting the repair done rapidly. No matter what the pressure is on the water authority mains network in the highway, the plumbing arrangement for the water pipes in your home may considerably reduce that pressure by the time it gets to your faucets. In general, the maximum amount of water your pipes can carry will be affected by the following factors. The first depend on the size of the pipes. When you repair or modify home plumbing, knowing the kind and size of pipe can save you time and trouble. Second, if pipes in your home fall into decay, they have become badly corroded with rust in the pipes and the appliances so as to restrict the water flow. Third, some pressure problems can be caused by defective, damaged or leaking pipes and tube fittings, for example ball valves and stop taps inside your home. It is a huge problem and will greatly reduce the water pressure. We need to evaluate the pressure problem so we can find out what exactly we can expect. If the low pressure is at each faucet in the home and you have a pressure reducing valve (PRV) installed on your home plumbing system, you may have to verify that your PRV is set appropriately. Or If the low pressure is not affecting every faucet, the problem may just be a clogged or blocked faucet aerator. Replacement is the only effective solution. Check the tube fittings for rust, debris, scale or other particles that may be restricting flow. Simply clean or replace the aerator altogether. Check the shut-off valve near the water heater and make sure it is fully open.

Steel Grating Can Enhance Construction Security

A metal or steel grate secures an entrance or a location while still allowing for visibility and ventilation. Metal grating is usually used in industrial buildings; most commonly installed in factories to seal off entrances. In many cases, metal grating is required by local building codes. Other than that, grates also can be used for supporting the weight of people and equipment while limiting the flow of unwanted items. Grates allow air to be vented up through a floor, gasses to vent outside, or grease and liquids to drain away. Grates can be used in grills or ovens, holding up the material to be heated while permitting heat to rise and ash or grease to drip down.

Standard sizes of steel grating in the United States are set in inches and fractions of an inch. If you want to make sure the steel grating manufacturers you are looking for are trustworthy, you can contact local government to ask for assistance. Gratings are made from metal bars that cross each other or metal bars with filler strips welded to the metal bars. Metal grating can be assembled with cross-pieces fitted into joints of the other members or welded together at the intersections. The outer edge of the grate is enclosed by a metal frame. Bearing bars are the stronger bars used in the grating. They cover the entire span or length of the grate. Filler strip or cross-bars range from equal size to much smaller than the bearing bars. 

Residential Plumbing Tips

Whether you like it or not, leaky pipes, malfunctioning toilet and clogged sinks are a nightmare for many people. The drain in the kitchen and toilet sink is the most used and most-often clogged. Because the situation occurs frequently, you may not want to call a plumber to fix them each time when water does not go down the drain, so it would be a good idea to know how to do the easy plumbing.
Compression fitting gate valves are the most common method of attaching a gate valve to a copper water pipe. If you don't install the compression fitting gate valve properly, it would cause the leakage of pipe and you will need to fix it later. The installation is comparatively quick and easy to use; they require no special tools or skills to operate. Anyone can install the pipes but major plumbing installation jobs should be done by licensed and professional plumbers. There are two traditional types of compression fitting including standard and flare fittings. Basic compression fittings are made of a compression nut, a compression ring or "olive," and a compression seat. Choosing the right size and type of fitting is indispensible. Moreover, you have to avoid over-tightening the nut or else the integrity of the compression fitting will be compromised by the excessive force. In addition, if you notice that your sink unusually takes time to drain, you may need to clear the pipes from sludge build-up. Residential plumbing helps to make living in your home comfortable by bringing different types of water to where it is needed.