Article Understanding Types of Fasteners and Their Uses in CNC Machining--cncmass.com(anodizing colors Camille)
- source:EAGLEBURGER CNC Machining
In the world of precision engineering, CNC machining plays a crucial role in creating intricate parts and components. And when it comes to ensuring that these parts are securely joined together, fasteners become indispensable. In this article, we will explore the different types of fasteners commonly used in CNC machining and delve into their specific applications.
1. Nuts and Bolts:
One of the most common and versatile types of fasteners used in CNC machining is nuts and bolts. Consisting of a threaded cylindrical shaft (bolt) and a corresponding internal threading (nut), they offer a reliable way to join two or more components together. With various head shapes such as hexagonal, round, square, and flat, nuts and bolts can cater to diverse machining requirements.
Another essential component in CNC machining, screws find extensive use across numerous industries. Similar to nuts and bolts, screws also feature external threading; however, they do not require an additional nut for assembly. These self-tapping fasteners come with different drive styles like slotted, Phillips, Pozidriv, Torx, and socket head, each offering distinct advantages depending on the intended application.
While often overlooked, washers play a critical role in enhancing the performance and longevity of fastened joints. These thin, disk-shaped components distribute the load evenly, preventing damage to the surface and reducing the risk of loosening over time. Common types of washers include flat washers, split lock washers, spring washers, and toothed lock washers.
In scenarios where welding or screwing isn't feasible, rivets provide an efficient solution for joining metals, plastics, and even composite materials. Composed of a cylindrical shaft (shank) passing through pre-drilled holes, rivets are deformed using a mechanical or hydraulic process, creating a permanent bond between the materials. Blind rivets, solid rivets, and tubular rivets are some popular varieties in CNC machining.
5. Specialized Fasteners:
CNC machining often requires specialized fasteners tailored to specific needs. These include captive screws, which remain attached even when fully unscrewed; security fasteners, designed to deter tampering or theft; expansion anchors for anchoring into concrete or masonry; and thread inserts that reinforce weak or damaged threads. The versatility of CNC machining allows for endless possibilities when it comes to selecting and utilizing these specialized fasteners accurately.
Understanding the various types of fasteners employed in CNC machining is crucial for ensuring strong and reliable connections between components. Nuts and bolts, screws, washers, rivets, and specialized fasteners all serve different purposes and offer unique advantages depending on the application requirements. With these essential components at our disposal, precision engineering can achieve remarkable feats, contributing to advancements across industries worldwide. CNC Milling CNC Machining