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Category: General Technical Information

Setting up Oxy Acetylene Kit

Thursday, 19th March 2020

Setting up Oxy Acetylene Kit is not rocket science, but it is important to do it correctly. Setting up Oxy Acetylene Kit – the basics Oxy Acetylene fittings consist of a concave Female sealing face on one component and a Male ball shaped sealing face on the other.  A Nut clamps these faces together to […]

Welding Stainless Steel

Thursday, 19th March 2020

Welding Stainless Steel is no big deal.  As long as you use a suitable welding rod or wire for the type of Stainless Steel you intend welding, all should be pretty straight forward. Welding Stainless Steel is not vastly different to welding Mild Steel, which is why I say it’s no big deal, however, there […]

Welding Cast Iron

Thursday, 19th March 2020

Welding Cast Iron has quite a few potential pitfalls, but if done correctly, it’s not difficult. Why is Welding Cast Iron problematic The key reason why welding cast iron can be problematic is the high carbon content.  During the welding process, this carbon migrates into the weld metal and/or the heat affected zone adjacent to […]

What does Duty Cycle mean in Welding

Thursday, 19th March 2020

This is a common question.  Essentially, Duty Cycle is a measure of how long a welder will operate for before it overheats and cuts out. If you’re more of a Watcher than a Reader, you may prefer a Video Explanation There are 3 key bits of data to Duty Cycle figures: Amps, a Percentage Figure […]

Duty Cycle, what do the numbers mean

Thursday, 19th March 2020

If you prefer to watch video than read, the following link will take you to a video we’ve produced that explains Duty Cycle. Understanding Duty Cycle “Duty Cycle” is probably the least understood of the specification data published for any type of Mig Welder, Tig Welder or Plasma Cutter.  Essentially it’s a set of figures […]

Mig Welding Gas

Thursday, 19th March 2020

Mig Welding Gas is required because it’s essential to keep Oxygen from the weld pool. Shielding gas does this by replacing the Oxygen containing air that’s all around the weld pool. Categories of Mig Welding Gas Mig Welding Gas falls into two basic categories, “Inert” & “Active”. Inert means the gas has no effect on the […]

Silver Solder & Braze

Thursday, 19th March 2020

Silver Solder & Braze are both products used with either an Oxy Acetylene Torch or Oxy Propane Torch. Silver Solder & Braze, what’s the difference? For me, the key difference is how they work on the joint. Silver Solder Silver Solder is more fluid than Braze and works by being drawn into the joint by […]

Oxy Acetylene Flame

Thursday, 19th March 2020

An Oxy Acetylene Flame will fall loosely into one of three types: Neutral, Oxidising and Carburising Neutral Oxy Acetylene Flame A Neutral flame is achieved when there are equal amounts of Oxygen and Acetylene. A Neutral Flame is so named because it has no chemical effect on the molten metal. Key characteristics of a Neutral […]

Propane

Wednesday, 18th March 2020

Is Propane any good? YES! It’s a great gas! It’s versatile Can be used with or without Oxygen (with correct Torch) It’s cheap, compared to Acetylene It’s readily available It’s available without Cylinder Rental The only real downside to Propane is that you can’t weld with it. Pretty much everything else can be done. With […]

Gas Flow Rate for Mig

Wednesday, 18th March 2020

What’s the right Gas Flow Rate for a Mig is a question we get asked a lot, but like many things in welding, there’s no definitive answer. The correct Gas Flow Rate for a Mig will depend on a number of factors: The diameter of the Gas Shroud The joint configuration Whether there is any […]

How to Adjust Mig Welder Wire Feed Roller Tension

Wednesday, 18th March 2020

What is Roller Tension? Mig Welder Wire Feed Roller Tension is how tightly the Rollers Grip the Mig Welding Wire to feed through the Mig Welders feed mechanism and torch.  Feed Roller Tension is one of the more important mig welder settings. If you’re more of a watcher than a reader, I’ve produced a video […]

Welding Aluminium

Wednesday, 18th March 2020

Welding Aluminium has often been seen as a bit of a dark art that’s the preserve of the seasoned professional welder.  But is that still the case? Welding Aluminium is certainly not as straightforward as welding materials like Mild Steel and Stainless Steel, but modern methods and equipment are making the welding of Aluminium less […]

Weld Distortion, Causes and Remedies

Wednesday, 18th March 2020

Weld distortion is the bane of every welders life! You start out with two beautifully flat pieces of metal, then a few minutes welding later, the shape is more akin to a Donkey’s Hind Leg!! Believe me, weld distortion is something I have FAR too much experience of  🙂 Back in my Days as a […]