Category: Industrial

Gas bump online supplier UK: Tests have shown that the relatively narrow cross section of the pure argon shielded weld has a higher potential for gas entrapment and, consequently, can contain more porosity. The higher heat and broader penetration pattern of the helium/argon mixtures will generally help to minimize gas entrapment and lower porosity levels in the completed weld. For a given arc length, the addition of helium to pure argon will increase the arc voltage by 2 or 3 volts. With the GMAW process, the maximum effect of the broader penetration shape is reached at around 75% helium and 25% argon. The broader penetration shape and lower porosity levels from these gas mixtures are particularly useful when welding double-sided groove welds in heavy plate. The ability of the weld bead profile to provide a wider target during back chipping can help to reduce the possibility of incomplete joint penetration that can be associated with this type of welded joint.

Why is argon the specialist gas of choice when welding? In the manufacturing industry, when welding you know the importance of shielding gases. But do you know some gases are more preferable than others? More importantly, do you know why? The entire purpose of shielding gases is to prevent the welding area from atmospheric elements. Such exposure could leave you with a sub-optimal weld. If elements do come into contact with the welding area, it can reduce the overall quality which could jeopardise the whole operation.

For low spatter and distortion and better fusion of welding automotive components in the thickness range of 0.5mm to 3mm, Stainshield Light is a better choice. Anyone requiring high-integrity welds, such as those used in pipe work and paneling, for components ranging from 3mm to 12mm, should consider Stainshield Universal’s argon, helium and carbon dioxide mixture. It produces welds with very good low temperature toughness values, excellent corrosion resistance, high penetration and low levels of porosity. Other priorities when choosing a shielding gas. See more details at Span Gas.

The primary task of a shielding gas is to protect the weld pool from the influence of the atmosphere, i.e. from oxidation and nitrogen absorption, and to stabilize the electric arc. The choice of shielding gas can also influence the characteristics of the weld penetration profile. The basic gas for MIG/MAG welding is argon (Ar). Helium (He) can be added to increase penetration and fluidity of the weld pool. Argon or argon/helium mixtures can be used for welding all grades. However, small additions of oxygen (O2) or carbon dioxide (CO2) are usually needed to stabilize the arc, improve the fluidity and improve the quality of the weld deposit. For stainless steels there are also gases available containing small amounts of hydrogen (H2). There are no rental charges on the cylinders. A large range of Calibration Gas regulator(s) are available from stock. Carry cases to compliment the cylinders are also available. The cylinders are non-refillable.

For gas shielded welding processes such as TIG, MIG/MAG, FCAW, shielding gases may be inert gases, such as argon, helium and nitrogen, or argon-based mixtures containing carbon dioxide, oxygen or both. Helium may be added to argon/carbon dioxide mixtures to improve productivity. Carbon dioxide (CO2) may be used, on its own, in MAG and FCAW. With the exception of CO2 , these gases are not defined as hazardous to health under the COSHH Regulations but they are asphyxiants. CO2 has a long-term exposure limit of 5000ppm (8-hour TWA reference period) and 15000ppm short-term exposure limit (15-minute reference period). None of the gases can be seen and none have a smell – so their presence in hazardous concentrations is difficult to detect without prior knowledge or measuring equipment. Source: www.weldingsuppliesdirect.co.uk.

Rotabroach bits online shopping: In order to find a worthy investment, one has to get familiar with the do’s and don’ts. However, most people decide to skip that particular step and invest in the first thing they find interesting. Sadly, that strategy usually ends up with you buying something that doesn’t meet your expectations or overpaying something you could get for less money. Either way, it’s essential for every serious buyer to go through some of the tips and tricks of drill shopping in order to get the best possible deal. Keep these tips in mind and you’ll more than likely find a good model for yourself.

As you can already tell from the title, it has more features and accessories compared to its predecessor in this list. It is very lightweight, powerful, versatile and compact. These are the four best words to describe it. It has a lift detector system, rear mounted control and gravity feed system where the HMD904S coolant bottles are stored. The coolant help reduce heat build especially when you are performing a heavy-duty assignment. It comes with a three-year warranty meaning the manufacturers assures of quality service from this tool.

One of the things that most people struggle with when it comes to these tools is the overall weight. In simpler terms, mag drills tend to weigh significantly more than any other type due to the number of built-in mechanisms. If the weight isn’t a problem for you, then it might be the price. Even though these machines can be considered affordable, they definitely aren’t cheap. See extra details at Rotabroach bits.

Evolution Power tools magnetic drill press is one of the top-rated magnetic drill machines. It is most famous for its lightweight and compactness, excellent and well-constructed magnetic drill machine at a reasonable price. This is ideal for bridges, I-beams, and framework. This can provide 1300 Kgf. Or 2860 lbs f magnetic adhesion. Its maximum core diameter is about 28 mm or 1-1/8 inch. It can give a depth cut maximum of 50 mm or 2 inches. Evolution Power tools magnetic drill press also provide Weldon shank cutter fitting type -19 mm. It also offers a wide variety of tools to be used with Evolution Power tools magnetic drill press. This package includes a wide range of annular cutter, step drills and mini cutters, evolution cutting fluid.

This drill, though not quite as advanced as our top pick, will be an excellent addition to your arsenal. It is a lightweight mag drill that comes with a swivel base magnet, making it easy to use during horizontal or overhead jobs. The HMD904S has a powerful 7.2A motor and you can drill holes with a diameter of up to 1.5” and up to 2” deep. This drill is incredibly versatile and features a two-stage magnet that increases power by up to 30%. The drill is also fitted with a pilot light, making it possible to do accurate work, even in conditions with inadequate lighting. For added convenience and accuracy, the drill is fitted with a slot drive arbor, making it quicker to change out accessories. This drill is designed for industrial and heavy-duty applications. You will be able to drill thousands of holes with no problems whatsoever. As a versatile tool, this drill is perfect for the casual handyman as well as the professional steelworker.

Top China industrial manufacturers shopping overview? Guangzhou is one of China’s most prominent urban cities. There are thousands of factories located throughout each of the city’s manufacturing zones, and those factories manufacture everything from toothpicks to automobile parts. This city has seen an influx of traders from African countries since the 1990’s. They came to Guangzhou, China because they were attracted by the low cost of goods; however, they decided to stay and export goods back home. This has led to numerous partnerships between various Chinese manufacturers and African traders. Intermarriage of businesses has become the result of this partnership.

China is the fourth largest oil producer in the world with the country having a production of 1.3 billion barrels in 2002. The size of oil deposits in China is not known for numerous oil exploration studies being conducted in the country. Despite China’s enormous oil production, the country is still oil-deficient and being the world’s largest oil consumer in the world, and the country relies on oil imports to meet its domestic oil demand. China has also invested in renewable energy which is seen as the new frontier in the energy industry, with the country being the top electricity producer from renewable sources. The country has numerous wind farms located in its vast territory as well as in offshore sites to harness wind energy which according to researchers from Tsinghua University, can meet the country’s electricity needs. In 2013, the total electricity output from wind sources amounted to 140 Tw-h.

Biggest companies in China ? The Industrial and Commercial Bank of China (ICBC) is the largest of ‘The Big Four’ banks in China and also the largest company in both Asia and the world. ICBC generates $175.9bn in annual sales. Not only is it the largest bank in the world by sales, it also gains the top spot for being regarded as the largest bank in the world by total assets, deposits, loans, number of customers and number of employees. The multinational banking company has over 400,000 employees across. It is unsurprising for this reason that it is also number one in The Banker’s Top 1000 World Banks ranking.

LEAR Electric has been an industry leader since 1984 in producing the safest electrical products such as wiring accessories, circuit breakers, Led light and so on for construction, commercial and household purpose. When aesthetics come together with state-of-the-art technology, you get a product as refined as LEAR. LEAR switches have been adorning walls in homes and offices for 35 years. Our endeavor is to always create products that adhere to the highest quality standards. New wiring accessory ranges of LEAR ELECTRIC offer limitless choice. No matter the look, feel, function or feature, LEAR wiring accessories are flexible enough to suit every requirement. The ranges have been created to be elegant, using a clean design and established materials to deliver a modern aesthetic appearance. The production here is a symbiosis between advanced technology, maximum functionality and aesthetic designing to match the taste of the discerning clients. High professionalism and product quality have made LEAR a distinguished company With Total 4 Factories, There Are In Sri Lanka, South Africa And 2 Located In China. Kushan Lear Factory Building Area Of More Than 500,000 Square Meters, Is The Main Export Products, Electrical Research And Development, Production, Testing Center In China. See extra details at Lear.

Yingli Solar, formerly known as Yingli Green Energy Holding Company Limited, is a solar company in Baoding, Hebei province. The company’s business covers the manufacturing of the photovoltaic value chain from ingot casting and wafering through solar production and solar panel assembly. As of now, Yingli has shipped more than 85 million solar panels (representing over 20 GW) to more than 90 countries in the world, particularly in Germany, Spain, Italy, Greece, France, South Korea, Japan, Australia, and the United States. Additionally, its photovoltaic module capacity is 4 GW. All these facts make Yingli one of the world’s leading solar panel manufacturers.

JHX brushes is an ISO 9001 certified manufacturer of standard & specialty brushes for the commercial, aerospace, military, medical & electronics industries. No other company offers such a wide range of high quality and best price industrial brushes to meet your most demanding requirements. We provide quality products at competitive prices with same day delivery on thousands of items. See more details on china-select.com.

Several MIG welding machines handbook: how to become a better welder and how to choose the best welding equipment. First, practice handling the gun without actually welding. Rest its barrel in one hand, and support that hand on the table. The other hand operates the gun’s trigger. Stand in a comfortable position and move the gun steadily over the work surface. Adjust your posture and gun movement so that they feel natural. Attach the work lead to the workpiece, and hold the gun so the wire meets the weld surface at about a 30-degree angle. Touch the wire very lightly to the surface, squeeze the trigger, and gently pull the gun toward you to make your first test weld. The wire should melt off into the weld puddle at an even rate and make a steady crackling noise as you go. Adjust the welder settings if needed.

Delivery of parts to the welding station in an organized and logical fashion is also a way to reduce welding costs. For example, one company was manufacturing concrete mixing drums. In the fabrication process, the company produced 10 parts for one section, then went on to make 10 parts of another drum section, etc. As pieces came off the line, they were put onto the floor of the shop. When it was time to weld, the operator had to hunt for the pieces needed and sort through them. When the outside welding expert pointed out the amount of time being wasted in this process, the company started to batch each one on a cart. In this way, the pieces needed to weld one drum were stored together and could easily be moved to the welding area. This type of scenario is also true for companies that may outsource parts to a vendor. Though it may cost more to have parts delivered in batches, it may save more in time than having to organize and search through parts to be able to get to the welding stage. How many times each piece is handled in the shop may be an eye-opener to reducing wasted time. To measure such an intangible as this, operators are asked to put a soapstone mark on the piece each time it is touched – some companies are surprised to find out how many times a part is picked up, transported and laid down in the manufacturing process. In the case of one company, moving the welding shop closer to the heat treatment station eliminated four extra times that the part was handled. Basically, handling a part as few times as possible and creating a more efficient production line or work cell will reduce overall costs.

Several advices on welding equipment, MIG and TIG welders, plasma cutters. TIG Welding / Gas Tungsten Arc Welding (GTAW) – TIG welding is an arc welding process that uses a non-consumable tungsten electrode to produce the weld. The weld area is protected from atmospheric contamination by a shielding gas (usually argon) and a filler metal, though some welds, known as autogenous welds, do not require it. A constant-current welding power supply produces energy that is conducted across the arc through a column of highly ionized gas and metal vapors known as plasma. TIG welding is most commonly used to weld thin sections of alloy steel, stainless steel and nonferrous metals such as aluminum, magnesium and copper alloys. The process grants the operator greater control over the weld than other welding processes, allowing for strong, high-quality welds. TIG welding is comparatively more complex and difficult to master than other processes and is significantly slower.

MIG Welding Increases Welding Speed: In addition to welding aluminum and other softer metals, MIG-welding works faster, provides cleaner welds, and handles many different types of metals. The downside is its complexity. MIG Welders need direct currents, a steady stream of inert gas, and precise control of their torches. The amount of heat generated from MIG welding provides the deep penetration required for a strong weld, while also melting the feed wire rapidly enough to maintain a higher welding speed than other techniques. Given the inert gas required for MIG welding, keep in mind that this technique cannot be conducted in windy areas. The Right Stick Electrode Increases Welding Speed: There are three kinds of electrodes used for stick welding: fast-fill, fill-freeze, and fast-follow. While each electrode has its advantages, the fast-fill electrodes melt quickly and allow welders to work faster. Read more details on MIG welder.

Get filler metal charts to let you choose correct rods for whatever materials you are welding: Alcotecs Aluminum filler metal chart . Go online to alcotec.com for an aluminum filler wire chart. You probably won’t find a filler metal chart that covers welding dissimilar metals so here is your filler metal chart right here: are you ready? Here it is… if it you don’t know what metal you are welding, but it sparks when you grind it, and it is not titanium, try using hastelloy W. or 312 stainless. Hastelloy W TIG welding rod has become extremely expensive. 312 stainless is also a very good rod choice for welding steel of unknown composition. For a critical weld, you should not just rely on 312 without knowing the metal type..you should determine the metal type for any critical weld.

Searching to buy the best corrugated flexible conduit? Here are some tips and extra details helping you to make the best pick.

As our experience, there are several factors you need to take into consideration. Be sure to look at all available wires and cables when determining what conduit is best for your application. There are two kinds of flexible conduit, plastic flexible conduit and flexible metal conduit. Be sure to use the correct flexible conduit for job at hand. The flexible conduit fill is the maximum amount of space that the conductors running through the conduit can occupy. This would be your most important factor in determining the conduit to choose for a job.

Do not attempt to work on your electrical wiring, switches, or outlets unless you are properly trained and equipped to do so. Electrical components in a building can easily cause an electrical shock, burn, or even death. Even when a hot line switch is off, one terminal on the switch is still connected to the power source. Before doing any work on the switch, the power source must be turned off by set­ting a circuit breaker to OFF or removing a fuse. Read more details at Stainless steel flex conduit.

Electrical metallic tubing, or EMT, is the most common type of conduit for exposed interior installations, such as in a basement or an unfinished garage or workshop. It is the lightest and thinnest of the rigid metal conduit types and comes in a few different diameters; 1/2-inch is the most standard size for household circuits. EMT is also called “thin-wall” and is relatively easy to bend with a tool called a conduit bender. EMT is permitted by the National Electrical Code (NEC) for dry and wet locations but requires special watertight fittings and connectors in wet locations. With proper installation, EMT raceway can serve as a circuit ground path and be used in place of a separate ground wire running inside the conduit.

The usage of Flexible Cable Conduit is a practical process to be certain the electric wires installed in the home or office receive proper protection. The flexible kind of conduit will be the easiest to use in comparison with alternatives like rigid plastic or metal. The flexible conduit has the down-side of not being so strong and gives less protection. But, for the do-it-yourself enthusiast working in the home, the flexible material is usually favored due to its simplicity.

Intermediate metal conduit, or IMC, is a thinner, lighter-weight version of rigid metal conduit and is approved for use in all of the same applications as RMC. Because IMC is lighter and easier to work with than RMC, it is more common in new construction. Another example of a rigid electrical conduit is EMT (electrical metal tubing), which is most commonly made of galvanized steel but can also be aluminum. EMT is also called “thin-wall” conduit because it is thin and lightweight, especially compared to RMC. EMT is rigid but can be bent with a simple tool called a conduit bender.

CorrugatedConduit.com offer a wide selection of corrugated plastic flexible conduit and flexible metal conduit to fit your needs. All of our flexible conduit meet ROHS, SGS specifications as durable and are resistant to low level acides and alkalis. These flexible conduit are also designed for wire and cable protection well. Here are you can find a full sizes of all kinds of plastic & metal flexible conduit. Whether your application requires plastic conduit, split conduit, metal conduit and other applications. You will find what you need here. Source: https://corrugatedconduit.com/.

Subject of the day is : Hydrogen calibration gas online supplier UK. WSD (weldingsuppliesdirect.co.uk) supplies a wide range of shielding gases specifically designed to optimise performance in particular conditions. In vehicle repair and manufacturing, argon-based gas mixtures are commonly used to MIG weld carbon and low alloy steels. Argoshield Light is one of those choices. It’s ideal if you are welding thinner carbon steel ranging from 0.6 to 5mm in thickness. The addition of oxygen to Argoshield increases arc stability to minimise spatter and fast weld speeds with its low heat input reduce distortion. So it’s perfect for our earlier example where the components of a car are being painted or powder coated after welding.

Safety: While argon is a good fit for a variety of welding jobs, it can be a safety risk. As with any gas work, there are steps to take to prevent causing an accident. Argon is stored in high-pressure tanks, and although its inert qualities mean that it doesn’t easily react to other chemicals, it is essential to be fully trained in handling and transporting gases to minimise the risk of accidents and hazards. The risk of gas leaking or spilling needs to be taken seriously; gas should be stored in a well-ventilated room. Argon is colourless and odourless so ensuring ventilation is available and that tanks are sealed adequately is critical. See more details at Calibration gas regulator UK.

Tests have shown that the relatively narrow cross section of the pure argon shielded weld has a higher potential for gas entrapment and, consequently, can contain more porosity. The higher heat and broader penetration pattern of the helium/argon mixtures will generally help to minimize gas entrapment and lower porosity levels in the completed weld. For a given arc length, the addition of helium to pure argon will increase the arc voltage by 2 or 3 volts. With the GMAW process, the maximum effect of the broader penetration shape is reached at around 75% helium and 25% argon. The broader penetration shape and lower porosity levels from these gas mixtures are particularly useful when welding double-sided groove welds in heavy plate. The ability of the weld bead profile to provide a wider target during back chipping can help to reduce the possibility of incomplete joint penetration that can be associated with this type of welded joint.

The amounts CO and CO2 generated by fluxed processes are small and, generally, they do not present an exposure problem. The amounts of CO and CO2 generated by flame processes are also small, so the risk of over-exposure is usually low. In special cases, such as high velocity oxy-fuel gas cutting, where large quantities of gas are consumed in a short period of time, the risk of over-exposure to CO may be a problem.

Nitrogen can be used for duplex steels to avoid nitrogen loss in the weld metal. The purity of the gas used for root protection should be at least 99.995%. When gas purging is impractical, root flux can be an alternative. In submerged-arc welding (SAW) and electro-slag welding (ESW), the shield is achieved by a welding flux, completely covering the consumable, the arc and the molten pool. The flux also stabilizes the electric arc. The flux is fused by the heat of the process, creating a molten slag cover that effectively shields the weld pool from the surrounding atmosphere.

Quad gases are mainly used within Marine environments. Quad gases are a four gas mix. Supplied in a range of lightweight cylinders and made from aluminum. Both reactive and non-reactive mixtures are available. Source: https://www.weldingsuppliesdirect.co.uk/industrial-gas/specialist-gases.html.