Posts Tagged ‘pulsed TIG welding equipment’
Benefits of TIG Welding
Tuesday, September 8th, 2009Tungsten Inert Gas Welding (TIG)
Friday, August 14th, 2009TIG welding uses gas like argon or helium to protect the welding area from atmospheric gases such as oxygen and nitrogen. Work pieces that have to be joined are cleaned to remove dirt, grease and other oxides chemically to obtain a sound weld.
Characteristics of TIG Welding:
- Applied in thin materials
- No slag or spatter
- Used in Shielding gas like Argon, Helium etc
- Uses non consumable tungsten electrode
Advantages
- Suitable for thin metals
- No flug is used
- Strong joints are obtained
Disadvantages:
- It is the most difficult process when compared to others.
- Process is slow
- Not suitable for thick metals
- Skilled operator is required
Applications:
TIG welding can weld stainless steel and non-ferrous materials. This type of welding is mostly used in Aerospace industry, Refrigerators, Air conditioners and chemical plants.
Uses of TIG Welding
Monday, July 6th, 2009- TIG welding can be used to weld certain metals and alloys. Some of them are aluminum, magnesium, copper, stainless steel, nickel alloys, magnesium, steel, copper, brass, bronze, gold, carbon and also high temperature and hard surfacing alloys like Zirconium, titanium etc.
- TIG welding produces superior quality welds.
- Free of sparks or spatter
- No flux or slag
- No smoke or fumes
- Use Argon gas to TIG weld all types of metals and thickness. Only one type of gas is used to handle all your welding projects.
- Low distortion
- Welds can be made with or without filler metal,
- Precise control of welding variables (heat)
- TIG welding can be applied to thin materials (as thin as 0.125 mm).
- Can weld all positions like flat, horizontal, vertical and overhead.
- Highly versatile process
- Concentrated, stable arc
- Smooth, flat weld-seams
- High quality weld-deposit
How to Tig Weld?
Monday, June 29th, 2009Gas tungsten arc welding (GTAW) also known as tungsten inert gas
(TIG) welding, is an arc welding process that uses a non consumable tungsten electrode to produce the weld. The welded area is protected from getting contaminated with the help of shielding gas and a filler metal such as aluminum or stainless steel. Gas tungsten arc welding can weld stainless steel and light nonferrous materials like aluminum and magnesium. Tungsten inert gas does stronger and higher quality welds when compared to its competing procedures like shielded metal arc and gas metal arc welding. Tig welding is complicated, difficult and much slower than other welding procedures like mig or arc welding.
Manual tig welding is considered most difficult among all the welding procedures in the industry. Because welding operator has to maintain a short arc length, make sure that great care and skill are required to prevent contact between the electrode and the work piece. TIG Welding generally requires two hands because the welder manually feeds a filler metal into the weld area with one hand while manipulating the welding torch in the other.
In the beginning, tig welding may be considered complex and difficult task but through regular practice and tuition it becomes easy for the welding operator to perform the task. In tig welding, very less cleaning is required, the finished weld is neat & tidy allowing an artistic feel to the work. Major examples of quality tig welds are bicycle frames, marine fittings, interior kitchen fittings and steel artwork.
Advantages of TIG Welding
Sunday, June 7th, 2009TIG stands for Tungsten Inert Gas. Tungsten inert gas is an arc welding method involving electric arc heat being maintained in between a fixed non-consumable tungsten electrode and the specific component being welded. The area that is being welded is sheltered from contamination by a shielding gas; in most cases, a filler material is also used. The power supply used for TIG welding is a constant current type, which is conducted across the arc via a column of metal vapors and highly ionized gas, commonly referred to as plasma.
Applications for TIG welding include vessels and pipe work and vessels for offshore, petrochemical and nuclear industries. It is used in aluminum alloy, magnesium and titanium fabrications for the aerospace industry. It is also used in motorcycle and bicycle frames and food, beverage and dairy industries.
Most unusual applications include jewelry, dentistry (for chrome cobalt frameworks) and titanium (for specialist high-strength, low-weight applications). For fine work and low-current applications, TIG is increasingly being used as a more versatile alternative to micro-plasma welding.
It can weld various metals like copper, magnesium and aluminum alloys. TIG welding is mainly used in aeronautical construction, chemical and nuclear power industry. TIG Welding is used for “first pass” welds on various sizes of pipe. It is useful for welding thin parts and components. It is long lasting and highly resistant to cracking and corrosion over long periods of time. The advantages of TIG welding include very high weld quality, absence of surface slag and very little spatter. The method is extremely versatile, since most materials can be TIG-welded and it offers a wide choice of welding positions and joint configurations. TIG welding also has a very aesthetic surface finish. Depending on thee model of TIG welder used, the operative can have control over many of the weld parameters so as to optimize the weld quality. Modern inverter-based TIG power sources are lighter and more portable than traditional units, so on-site TIG welding is common place for both fabrication and modifications.
Why Would You Want To Use Pulsed TIG Welding Equipment?
Saturday, May 9th, 2009It is the TIG welding process that requires a welder to use a tungsten electrode. The tungsten electrode is for its electrode made of the tungsten metal, one that is capable of withstanding the highest in heats for all metals. The TIG welding process will incorporate the electrode and the electrode will not disintegrate while welding the source material. This non-consumable electrode usually has filler metals and a shielding gas that will protect the weld source as it is being worked on. That is the very basics in the TIG welding process or procedure.
But, when using the pulsed TIG equipment, there is a slight difference in the way that the source material is welded. There are several other process modifications, such as: the hot wire, dabber, and the pulsed-current processes. The hot wire uses a filler metal is heat resistant and is brought to the to the weld pool right before it reaches the melting point. The dabber process is used to place petite welds on slim edges of the source material. The pulse-current method is when the current fluctuates between two different current speeds.
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