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 3D Hologram technology?

display showing hologram view

What is Hologram technology? A hologram is a futuristic photographic technology. In simple words, the hologram is the process of creating a 3-dimensional (3D) projection of any object by using light or laser beams that can be seen from our eyes. There is no need for glasses, a camera & special kind of equipment to … Read more

Invention vs Innovation

bulb glowing with idea- invention vs innovation

Overview As we know, we are surrounded by various technological trends in the 21st century. On this earth, noting is permeant. Neither lands and water level nor technology. Every day there is something change that happens. The same is happens to technology & products. If there is small up-gradation in current technology brings to innovation. … Read more

Advantages and Disadvantages of Technology

technology benefits to human

Technology is good or bad? Each and everything has its advantages and disadvantages. And same applies to technology. The question technology is good or bad is much depending on what context you are thinking. I am sure that different people have different points of view. You just think about the technology, the first thing that … Read more