Hot Runner & Cold Runner injection Molds

What is runner? A runner is a channel in the mold that guides the molten plastic from the barrel of the injection molding machine to the cavity of mould. In this article we will discuss hot runner and cold runner systems Based on feeding system molds ...

K-Factor Calculator in Sheet Metal Forming

When sheet metal is bent, the inside surface of the bend is compressed and the outer surface is stretched. Somewhere in between the thickness of material lies neutral axis: Line with-in thickness that is neither compressed nor stretched. The K-Factor in ...

Solidworks Interview Questions and Answers

In this article, we will discuss some of commonly asked solidworks interview questions. During telephonic or screening round interviewer ask these questions to get an idea about your expertise in solid works. For the final round they will prefer to give y ...

Why 2nd angle and 4th angle Projection is not Used

To understand why 2nd and 4th angle projection is not used?  First we need to understand the concept behind orthographic projection system. Theoretically there are four projection system, out of which only 1st and 3rd angle projection system are use ...

IP Rating – SMLease Design

What Is IP-Rating ? IP Stands for Ingress Protection and consists of 2 numbers. First number indicates protection of persons against access to hazardous parts and protection of machines/equipment against entry of solid parts. Second number indicates pro ...

First Angle and Third Angle Projection

Understanding 1st and 3rd angle projection, requires knowledge of Orthographic projection. In this article, first we will understand, what is orthographic projection? Afterwords we will understand, how to draw a projection view using 1st and 3rd angl ...

Sheetmetal Design Guidelines – SMLease Design

In this article we will discuss sheet metal design guidelines to develop good quality sheet-metal parts at reduced cost.

Parallelism : GD&T Basics

Parallelism controls parallelism between two lines, surfaces or axis. In another words, it describes a parallel orientation of one referenced feature to a datum surface or line in 3d tolerance zone. Parallelism does not controls the angle of the refere ...