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Construction is my hobby

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When to use pancake welding hood and what it’s advantages and cons

Pancake is attributed to the shape of the  mask, its front is fairly thin and oval (https://www.originalpancakebrandweldinghood.com/). Right-handed hoods are specifically designed for right-handed guys and you can find pancake welding hood  for left-handed welder easily too. The helmet are extremely thin to reduce their weight and build with light balsa wood. If you are looking for a good welding mask, I’ll give you some tips.

Pancake welding hoods are a perfect tool for welding outdoors, you don’t worry about the light of the sun interfering with your welding hood. They have perfect airflow which is important if you have to work in hot conditions. Thanks to the lightweight design pancake welding hood is really easy to wear and work in awkward positions for hours. Last, for most masks it is possible to use an electronic darkening lens or flip-up lens, which makes the hood even better.

Pancakes work perfect when you work with a colleague to brush for you and all you have to do is just weld. If you work alone with short joints and need to switch from welding to preparations, you are losing time. Auto-darkening lens save the situation and you can even work with pancake everywhere.

In regard to materials the pancake welding hood made out of balsa wood, pine and from polymer called phenolic. The balsa block makes a box around the eyes to convenient fixation of the hood and seal-out all the light which may be reflecting from the lens. Without reflections from the electric arc, sun, or another welder you can avoid glares and work without any issues.

Closure Pancake hoods are very popular among pipeline welders, they have good airflow best glare protection and are most lightweight and convenient (best article). The balsa block also stabilizes the lens of your helmet perfectly and since you adjust it yourself, there is nothing like comfort. Pancake hoods should be OSHA-approved, but not all are, make sure you purchase a hood from a reputable source, such as Sarge’s, Wendy’s or Original pancake.

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Filtration process

Separation of solids from gases and fluids is called “filtration” and is performed by filters - a medium through which can pass only the gas or fluid. Filters for aquariums remove solid waste is any type of dirt, particle, or debris floating in the water like fish waste and uneaten fish food. In chemistry filtration used for removing certain substances from another using a filter paper, depth filters and other. Air filters are composed of fibrous materials which removes solid particulates such as dust, pollen, mold, and bacteria from the air.

Forced-air furnace draws air and with the help of a blower fan pushes the heated air into rooms throughout your home. Clogged and dirty air forces the system to work harder than it should, that means higher bills and lower air quality. If you suffer from allergies or asthma, furnace air filters are especially important, besides, furnace filters effectively pick up dirt and dust from being sucked into your furnace, air conditioner, or HVAC unit.

There are two reasons to filter wine: aesthetics and microbial stability. Typical winemaking pore sizes are 5-0.45 micron, the smaller the holes, the “tighter” the filter is. As the wine passes through the filter the larger microbes become stuck and are removed from the wine, 2-micron filters are used to remove yeast, and 0.45-microns are needed to remove bacteria.

The water in aquariums pollute by passing waste and food, it makes the aquarium water dirty, and the environment becomes unhealthy for the pets and even gives off bad odor. Aquarium filters keep tank's water clean and fish healthy by air-driven, undergravel filters and external canister filtration. The most basic and widely used filters that do not do much in the way of mechanical, chemical or biological filtration is the Sponge/air filter. A sponge filter is powered by an air pump where water is forced to pull through the sponge-like material. The sponge is capable of producing biological and mechanical filtration because beneficial bacteria live on the sponge.

Nose filters fit inside the nostrils and eliminates or reduce dust, smoke, foul odors and other pollutants and allergens. Adaptable shape and in minimum three sizes (small, medium and large) are usually enough to be comfortable and gently open your airways to allow easy breathing through the nostrils. Using nasal filters helps to reduce reliance on medications and lessen the risk of a reaction to environmental pollutants.

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Orthotic devices

Orthotics (Wikipedia link) are devices, specially designed to improve characteristics of the skeletal system. Orthotic insoles and inserts may be used to: guide, control, limit joint for a particular reason, restrict movement in a given direction, assist movement generally, reduce weight bearing forces for a particular purpose. Foot orthotics are complex devices combined knowledge of anatomy and physiology, biomechanics and engineering.

Orthotic devices for foots are inserted into shoes for the foot support, easing pain, redistributing reaction forces and help foot joints while walking, running and standing. You can buy orthotics at sporting goods store to treat various conditions of the ankle and often very effective in relieving common problems with feet pain. Custom made devices are custom-molded and individually designed, although they are considerably more expensive, they last much longer and provide more effective correction.

Orthotics are useful for aligning and supporting the foot; preventing, correcting or accommodating foot deformities; improving the overall function of the foot or ankle.

A wedge inserted into the inner side of the sole of a shoe helps to support a flatfoot, thus reducing the risk of tendinitis. Some of the foot and lower limb problems that can be successfully treated in the long term with orthoses include tendonitis, plantar fasciitis and recurrent stress fractures.

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Water filtration solutions

Anything other than water molecules is defined by law as “contaminant” (EPA) Some of them are are harmful, while others are harmless. The general contaminants categories: - Physical contaminants - organic or sediment suspended from soil erosion. - Chemical contaminants are often man-made, but sometimes are naturally occurring: salts, metals, toxins, and so on. - Biological contaminants include viruses, bacteria, parasites, and protozoan. - Radiological contaminants are represented by elements that can emit ionizing radiation: cesium, plutonium and uranium.

Water purificator removes biological contamination. Water purification units don't perform removing chemical contaminants and sediment. Purification systems are often used after filtration – water filters remove unwanted chemical components whereas purification effectively removes bacteria and viruses.

Visual inspection is not enough to determine water quality. Filtering or (and) boiling water from an unknown source not always remove all the possible contaminants. In the 21th century even natural spring water may not me safe enough for all practical purposes.

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Selecting the right welder is not an easy task, it can be difficult to choose of all of the different brands/models and find the best for you. This is where I can help. I have created a comparison tables with the top buys in the US, relatively easy guide to find the perfect welder equipment … Continue reading "Finding the Best Welder 2018"

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Metal Welding

One can link parts together in many ways. The most usual are fastening by bolts or rivets, brazing and welding. If you want to do the solid joint on long parts of joining surfaces you need welding. This advantage of welding used to make boilers or other enclosed cans.

A proper weld joint can be prevented by dirt, rust, grease, and oxidation. To protect hot metal from these there are two protection methods used in all weld processes: flux or shielding gas. The form of a welding flux is usually liquid, paste or solid. It creates a small pocket of gas while evaporating. This is how the oxidation process prevented. After welding the layer of solid flux must be removed. To protect welding shielding gas surrounds point of welding.

The fusion technique was developed when mankind discovered the iron forging. The process of joining small pieces of iron to larger ones was through heating to welding temperature and hammering or pressing together. Oxyacetylene welding, arc welding, friction welding, electron-beam welding, laser welding, resistance and other welding are the most common up-to-date techniques. The shielded metal-arc welding is the most used technique. An electric arc is created between materials leading to electrode’s metal melting and transferring it to the joint in this process. Another technique is gas (usually oxyacetylene) welding. For fusion process heat is supplied by burned acetylene in oxygen. The resistance welding is a process when the required heat is generated from electrical resistance of the joint. Such welds are made using low-voltage and high current power source with pressure applied. Electron-beam welding is based on a dense stream of high-velocity electrons bombarding the joint. If you use the friction of moving parts, this is called the friction welding. A laser beam is a source of heat when fusing materials in the laser welding.

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Pleased to meet you!

I am Earl, I’m originally from Gary, and I am a mechatronics engineer.

I have repaired many different machines and I have learned mechanical engineering hands-on in a way that colleges do not provide. Now, when I’ve got much practice, I became a member of the supportive fellowship that I can rely on, a party of friends that I will contribute my growth as a person and as an engineer.

I’ve begun this little blog and want to help and share my projects with the beginners in welding and constructing. Thus, don’t hesitate to ask me any question, share your experience and even criticize me – I’m ready to have new experience and learn new things