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Poor tip preparation, and poor alignment of electrodes, excessive current and hold time will all contribute to burrs,

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15y ago
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12y ago

when we weld two metals a tail is left hanging after finishing.tht is called burr.

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Q: What is burr in spot welding?
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Related questions

What type of welding machine use in spot welding or resistance welding?

Mainly In spot welding & resistance welding two type welding machines are used :- 1. Air Cooled & 2. water Cooled.


When was the spot welder invented?

Spot welding is a form of resistance welding invented by Elihu Thompson in the late 1800s.


What is the purpose for welding with direct current?

spot welding is one reason


Why spot welding robot not used in arc welding?

A spot welding robot has generally 5 axis opposed to an arc welding robot that needs 6 axis. The controls and communication channels with the welding power supplies are configured differently as well.


What is land in spot welding process?

land ?


Can a threaded joint be welded?

yes ,we can weld this. welding is the process of joining two materials .we can join this by spot welding or by arc welding.


Can you use Stick Welding machine for Spot Welding if yes how?

They sell a spot welding gun that plugs into a DC arc welder. If you have an AC225 or some other AC-only machine, this won't work. In general, tho, spot welders have their own power supplies so you don't need to reconfigure your stick welding machine for this.


What is the schematic diagram of spot weld D-25?

spot welding electrical diagram


Difference between ERW and SAW welding?

SAW welding is a type of arc welding while ERW welding is spot or seam welding. SAW stand for submerged arc welding while ERW stands for electric resistance welding.


What is difference between seam welding and spot welding?

The only difference between the two is that projection welding requires preparation of the joint members in the way of adding a preformed dimple or projection. Spot welding is used without such preparation to the joint members. it's just heat and pressure.


Where can you find information on spot welding?

Information is available on spot welding for one to read online at the Onspotwelding's official website. Other resources include the Slideshare's website and Millerwelds.


Why spot welding known as resistance welding?

Spot welding is known as resistance welding because the the two pieces of metal melt together at the point of highest resistance to current flow, basically when the electricity flows through the pieces it heats up at the point of highest resistance that is where where the metal pieces touch and in a direct line from the two contact tips on the spot welder. Simple!