26 09 19

I like welding so today’s subject is : High quality online provider to purchase span gas UK. Of course the right shielding gas is not the only consideration – your safety when using high-pressure cylinders is also paramount. It’s important to go to a reputable company to rent your shielding gases, so you can be sure strict standards are met and cylinders comply with regulations. Renting a cylinder from WSD (weldingsuppliesdirect.co.uk) gives you peace of mind. You know it is well maintained and renting can also be more cost effective. Find out why it’s good to rent. It’s also a priority to use the right safety equipment such as helmets and gloves, which you can also find through WSD (weldingsuppliesdirect.co.uk).

Low cost, high quality: Argon is widely used because, like CO2, it is low cost. It is odourless, colourless, and known for not reacting to high levels of elements like oxygen or water. So why use it over CO2? As we mentioned, CO2 yields imperfect results, as it leaves openings for oxygen to compromise the weld. Argon, on the other hand, is much more stable and controllable. It keeps the molten weld from getting damaged, becoming brittle and breaking, and can be used with other gases such as helium to enhance the quality. The perfect choice would be a mix of argon and something else. Argon would always be the gas with the largest quantity though. See extra details on Ammonia calibration gas.

When considering a shielding gas for welding aluminum, we need to consider the differences between argon and argon helium mixtures. In order to understand the effect of these gases on the welding operation, we can examine the properties of each gas in fig 1. We can see immediately that the ionization potential and the thermal conductivity of the helium shielding gas is much higher than that of argon. These characteristics have the effect of producing greater heat when welding with additions of helium in the shielding gas.

Ozone can be generated by reaction between UV light from the arc and oxygen in the air. The exposure limit for ozone is 0.2ppm for a 15-minute reference period. At the levels of exposure to ozone found in welding the main concern is irritation of the upper airways, characterised by coughing and tightness in the chest, but uncontrolled exposure may lead to more severe effects, including lung damage. MIG welding of aluminium alloys with an aluminium/silicon filler wire generates by far the highest concentrations of ozone. Using an aluminium filler wire generates substantially less ozone, and using an aluminium/magnesium filler wire generates the least ozone when MIG welding aluminium alloys. Other process/material combinations that may generate hygienically significant concentrations of ozone are MAG/mild steel, MAG/Stainless steel and TIG/stainless steel.

A perfect welding result, without impairment of corrosion resistance and mechanical properties, can only be obtained when using a backing gas with very low oxygen content. For best results, a maximum of 20 ppm O2 at the root side can be tolerated. This can be achieved with a purging setup and can be controlled with a modern oxygen meter. Pure argon is by far the most common gas for root protection of stainless steels. Formier gas (N2 + 5 – 12% H2) is an excellent alternative for conventional austenitic steels. The gas contains an active component, H2, which brings down the oxygen level in the weld area.

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. Source: https://www.weldingsuppliesdirect.co.uk/industrial-gas/specialist-gases.html.

26 09 19

If the phone is seriously damaged, get it backed up as quickly as you can, making sure all your photos and videos and important files are saved somewhere else just in case it dies completely and you can’t get it working again. If it’s already stopped functioning, then a professional repair is probably your best bet. Here are the solutions, in ascending order of professionalism. The gussied-up version of the packing tape solution. This ensures that you’ve got no seams and a clean line around the edges of the screen. Granted, that might not be much of a concern when underneath there’s a spiderweb of cracks.

Longer lifetime for you Nokia or other mobile phone brands? Just because it’s not open on your screen, doesn’t mean it’s not passively running waiting for you to switch back to it. This also causes your phone to slow down, as it takes up valuable RAM to keep those apps running in the background. Some settings (such as Bluetooth, app notifications, mobile data, and location services) chew through battery just by being active. Unless you need to use them, keep them switched off. Even when you’re using Wi-Fi, just keeping mobile data active does use up some battery, so when you’re at home you can switch your cellular data connection off.

After you have your phone repaired maybe it’s time to buy a better screen protection ? If you happen to be the type of person who drops their phone often (guilty as charged), then RhinoShield has you covered – literally. Its screen protectors are specifically designed to be impact resistant, using carefully selected shock-dampening material, ensuring your phone will be protected from most major falls. To prove its reliability, RhinoShield even tests a hammer against its products, just to prove its confidence in each protector.

Toothpaste gives you nice breath AND hides the scratches on your phone. This method can fix a small scratch, or at least hide it. Put a tiny bit of toothpaste on a cotton bud and rub it on the scratch, making sure it doesn’t find its way into headphone sockets, buttons or other vulnerable parts of your device. It will make your phone minty fresh, although it won’t restore it to mint condition. But this is amateur stuff, i suggest to see a professional. Read extra details at iPhone repair.

26 09 19

Applying dry ice to the dent is an effective way for fixing hail damage. The huge change in temperature can force the dents to pop out. Everything for you to do is just moving the dry ice around the damaged area to cool the area rapidly. But be careful as dry ice will damage your skin if you don’t wear gloves when handling it. Fixing hail damage by dry ice can be a cool solution, but sometimes it can not remove all of the dents. So in this case, you will need to do additional repairs.

The best paintless dent repair (PDR) in Colorado ? Dents near edges – If a dent of any size is situated near the very edge of a body panel or near a seam, PDR repair may be impossible. The reason for this is that in order to repair a dent using these techniques, you need to access the back side of the dent. The dent has a crease – If there is a sharp crease (like a folded page) in the dent, PDR likely will not work. Older vehicles – If your vehicle is older than 1990 or is a classic car, the odds are good that attempting paintless repair techniques on a dent will damage the paint. This is because the paint quality on older body panels can’t withstand the strain of the repair techniques.

In the first place let’s start with some car paint care advices: Clay: You could also obtain a better finish and a prominent shine if you use good quality clay. Before the clay is applied to the surface, make sure the car is cleaned with paint cleaner. Always remember to use the right applicator pad or a soft terry towel when working on the car’s exterior, to avoid scratching the vehicle. If you don’t know how to use detailing products or clay on your car, view online tutorials and easy do-it-yourself guides to complete the task easily.

So, we’ve explained what the procedure looks like — assuming it was done properly. And as you could probably guess there are a lot of ways an amateur or first-timer can get it wrong. It’s different than most other car repairs because it’s not about mechanical prowess; it’s more about control and the ability to maintain a steady hand and a gentle pace. You can’t rush it. The problem is, once a sheet metal repair starts to go awry, you’re usually much, much worse off than if you’d just left it alone. Metal holds its shape, but only to a certain point. Let’s say you get a dent in the hood — nothing too drastic, just a shallow, even dent with no sharp creases in an area that’s pretty easy to reach. You think it’ll be easy to pop it out on your own, so you begin to massage the underside while holding your shaping tool in place. You’ve made good progress so far, and a casual observer wouldn’t even notice the flawed area. But it’s not exactly perfect, and since it’s been fairly easy to this point, you decide to keep massaging the area to make it flawless. After a few more minutes of massaging, you realize that you’ve pushed it just a little too far. And now you’ve got this flabby area on the hood where you stretched out the metal. And there’s no easy way to shrink it back down. Keep going and it’ll stretch even more. Lesson learned. See more details at Automotive hail repair.