A special thread form keeps bolts and nuts tight under vibration by attacking the problem from a different angle. Two conventional methods for securing threaded fasteners against preload loss include ...

Bobbins hold the thread that feeds up through the machine to create the lower part of the stitch.It is when the bobbin thread and the top thread lock in the center that you get a stitch. And every ...

An estimated 200 billion fasteners are used per year in the U.S., each having a similar function – join two or more parts together and transfer loads from one part to another. When design engineers ...

Historically, hole threading has primarily been done using cutting taps, typically made from high-speed steel (HSS). These taps remain widely used in high-volume production where many identical holes ...

Abstract: This paper presents a detection method of thread image based on support vector machine. This method is to obtain a training sample set by collecting every concrete sub-image of thread form ...

There are many elements to consider when threading a workpiece. When is a solid carbide thread mill better than an indexable? How does the workpiece material behavior impact thread milling?

Threading a sewing machine is a fundamental skill for anyone interested in sewing. Though it may seem daunting at first, it becomes easy with practice. Proper threading ensures smooth stitches and ...

Threading a sewing machine can seem a daunting task for beginners and experienced sewers alike. In this article, we will discuss three ways to thread a Necchi sewing machine, specifically designed for ...