Complete Guide to Woodruff Keys & Keyways: Design & Functions

woodruff key installation process

What is Woodruff Key? Woodruff key is a flat semi-circular or half-moon-shaped disk with a uniform thickness, which directly fits into the semi-circular recess of the shaft. The semi-circular recess or pocket is known as the woodruff keyway. Semi-circular pocket in the shaft directly cut by woodruff key cutter. The bottom circular portion is placed … Read more

What is undercut in welding?

undercut in welding on L joint

What is undercut in welding? An undercut in welding is a defect that happens during the welding process. It is a groove that forms during welding on the root or base of the welding. Undercut forms due to using more current, high weaving speed, electrode size, improper filler material, arc length, etc. Due to that, … Read more

What is welding?

man doing welding

We all are aware of the term welding. Not only engineering graduates but also small children who are studying in schools are aware of it. If we ask them, what is going on there? They can answer you that they are doing welding. It means that it is a common joining process that is much … Read more

What is friction welding?

friction welding setup

What is friction welding? Friction welding is a solid-state joining process. It welds two workpieces by heat produced due to the rotational motion of one part over the other stationery part with axial compression force. Friction between two-part surfaces is responsible for generating heat with axial force. Once the plastic forming temperature is achieved, the … Read more