September 19th, 2011
Plasma cutter is a very important tool in any metal fabrication industry. It is considered as the best equipment to make clean cuts through metals and also one of the oldest welding equipment. The basic mechanism of plasma cutters in a nut shell is that, it uses a gas called inert gas, and through the electric current, it creates a potent torch and it cuts the metal with no difficulty.
As said earlier plasma cutting machine is used in different metal industries and in different conditions. It is used mostly in auto industry, for cutting different parts of the auto mobile and then they send it for getting it into shape. Using this particular equipment has a lot of benefits. It is very quick in its work, no pre heating is required, hence work can be done fast. It is very versatile, capable of piercing, intricate cutting and beveling in one operation. It is precise with high quality cut. Plasma cutters are easy to use, even for a beginner, last but not the least, it is very safe for usage.
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June 20th, 2011
Here are some tips to help you make a improved weld:
1. The correct electrode for the work: most people are not sure of the size of the electrode they should use and this is significant to know. The size of the electrode will depend on the circumstances you are welding inside. In these circumstances you will be fighting against gravity if you are doing the weld upright so you will need to use an electrode that is AWS classified as 7018 since they are short in their powder content.
2. A weld ledge makes a best guide: if you are doing upright or flat welding you will require something that the electrode can follow so you do not loose any of it to gravity. You be able to do this by making a serious of small shelves so you are able to do a section at a time so that you can carry on to work over a weld that you have previously laid. This will make a circumstance where one puddle will freeze in time to hold the next weld.
3. Do not undercut if possible: this can occur since you have to weave the electrode and sometimes your work can be gouged and not contain sufficient fill metal. When this happens, you will be working against gravity since it will work to pull your fill metal apart from the space you are working. You be able to decrease your puddle size to assist you have more control in this circumstances.
4. Stay apart from weird sizes for your metal: the majority metal will come in exact sizes that are forever ordinary. These metals will be easier to find and you can weld them fester. Stick with the ones that are AISI-SAE 1015 to 1025 so that you are able to be sure that you have what you require.
5. Make in no doubt you know your arc distance end to end: a high-quality rule of thumb is to use an arc length that is the similar distance from the metal as your electrode’s thickness. As an example, if you contain an electrode that is 1/4″ thick, then have your arc 1/4″ thick. Too keep in mind that as you use the electrode, you will contain to go it closer to the metal.
These tips will assist you develop a more even weld and keep things more controlled.
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June 9th, 2011
Arc welding is a welding which helps to create an electric arc between the work pieces and an electrode by using a welding power supply. Since because of the low cost, the arc welding process is being so popular. In arc welding process either Direct Current (DC) or Alternating Current (AC) can be used. There are different power supplies being used to supply electrical energy for arc welding process. The most commonly used power supplies are Constant Current power supplies and Constant Voltage power supplies. In this type of welding, the constant voltage power is related to the arc length and the constant current is related to the quantity of heat input.
Safety measures:
• Since the field of welding included various electrical explosions, emission of ultraviolet & infrared, electrical shocks, etc., safety measures to be taken bravely during the process of any type of welding.
• Especially during arc welding, the welder should wear a necessary safety welding equipments like good quality of
o Helmet and shields
o Colored glass
o Face shields
o Safety goggles
o Woolen clothing
o Flame proof aprons, etc.
• While purchasing the safety welding equipments, the main point to note is the quality of the manufacturer.
• There are various welding manufacturers are selling the welding equipments online.
• www.everlastgenerators.com is one of the best online welding shop where you can get a branded welding equipments of good quality.
• Place your orders online and enjoy various discounts.
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June 6th, 2011
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